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Make LTL2BA compile on Windows.

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This commit is contained in:
Jeroen Meijer 2018-06-28 13:51:55 +02:00
parent 92bed4de11
commit c17d2bbc13
118 changed files with 27778 additions and 51 deletions
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9
Makefile.am
View file

@ -1,12 +1,14 @@
ACLOCAL_AMFLAGS = -I m4 ACLOCAL_AMFLAGS = -I m4
AM_CPPFLAGS = -DNXT AM_CPPFLAGS = -DNXT -I$(top_builddir)/lib -I$(top_srcdir)/lib
SUBDIRS = lib
bin_PROGRAMS = ltl2ba bin_PROGRAMS = ltl2ba
noinst_LTLIBRARIES = libltl2ba.la noinst_LTLIBRARIES = libltl2ba.la
ltl2ba_SOURCES = main.c ltl2ba_SOURCES = main.c
ltl2ba_SOURCES += ltl2ba.h ltl2ba_SOURCES += ltl2ba.h
ltl2ba_LDADD = libltl2ba.la ltl2ba_LDADD = libltl2ba.la $(top_builddir)/lib/libgnu.la
libltl2ba_la_SOURCES = parse.c libltl2ba_la_SOURCES = parse.c
libltl2ba_la_SOURCES += lex.c libltl2ba_la_SOURCES += lex.c
@ -20,6 +22,9 @@ libltl2ba_la_SOURCES += alternating.c
libltl2ba_la_SOURCES += generalized.c libltl2ba_la_SOURCES += generalized.c
libltl2ba_la_SOURCES += util.c libltl2ba_la_SOURCES += util.c
libltl2ba_la_SOURCES += ltl2ba.h libltl2ba_la_SOURCES += ltl2ba.h
libltl2ba_la_LIBADD = $(top_builddir)/lib/libgnu.la
EXTRA_DIST = m4/gnulib-cache.m4
# make # make
.DELETE_ON_ERROR: .DELETE_ON_ERROR:

14
alternating.c
View file

@ -143,7 +143,7 @@ int get_sym_id(char *s) /* finds the id of a predicate, or attributes one */
return sym_id++; return sym_id++;
} }
ATrans *boolean(Node *p) /* computes the transitions to boolean nodes -> next & init */ ATrans *_boolean(Node *p) /* computes the transitions to boolean nodes -> next & init */
{ {
ATrans *t1, *t2, *lft, *rgt, *result = (ATrans *)0; ATrans *t1, *t2, *lft, *rgt, *result = (ATrans *)0;
switch(p->ntyp) { switch(p->ntyp) {
@ -155,8 +155,8 @@ ATrans *boolean(Node *p) /* computes the transitions to boolean nodes -> next &
case FALSE: case FALSE:
break; break;
case AND: case AND:
lft = boolean(p->lft); lft = _boolean(p->lft);
rgt = boolean(p->rgt); rgt = _boolean(p->rgt);
for(t1 = lft; t1; t1 = t1->nxt) { for(t1 = lft; t1; t1 = t1->nxt) {
for(t2 = rgt; t2; t2 = t2->nxt) { for(t2 = rgt; t2; t2 = t2->nxt) {
ATrans *tmp = merge_trans(t1, t2); ATrans *tmp = merge_trans(t1, t2);
@ -170,14 +170,14 @@ ATrans *boolean(Node *p) /* computes the transitions to boolean nodes -> next &
free_atrans(rgt, 1); free_atrans(rgt, 1);
break; break;
case OR: case OR:
lft = boolean(p->lft); lft = _boolean(p->lft);
for(t1 = lft; t1; t1 = t1->nxt) { for(t1 = lft; t1; t1 = t1->nxt) {
ATrans *tmp = dup_trans(t1); ATrans *tmp = dup_trans(t1);
tmp->nxt = result; tmp->nxt = result;
result = tmp; result = tmp;
} }
free_atrans(lft, 1); free_atrans(lft, 1);
rgt = boolean(p->rgt); rgt = _boolean(p->rgt);
for(t1 = rgt; t1; t1 = t1->nxt) { for(t1 = rgt; t1; t1 = t1->nxt) {
ATrans *tmp = dup_trans(t1); ATrans *tmp = dup_trans(t1);
tmp->nxt = result; tmp->nxt = result;
@ -230,7 +230,7 @@ ATrans *build_alternating(Node *p) /* builds an alternating automaton for p */
#ifdef NXT #ifdef NXT
case NEXT: case NEXT:
t = boolean(p->lft); t = _boolean(p->lft);
break; break;
#endif #endif
@ -414,7 +414,7 @@ void mk_alternating(Node *p) /* generates an alternating automaton for p */
sym_size = n_sym / (8 * sizeof(int)) + 1; sym_size = n_sym / (8 * sizeof(int)) + 1;
final_set = make_set(-1, 0); final_set = make_set(-1, 0);
transition[0] = boolean(p); /* generates the alternating automaton */ transition[0] = _boolean(p); /* generates the alternating automaton */
if(tl_verbose) { if(tl_verbose) {
fprintf(tl_out, "\nAlternating automaton before simplification\n"); fprintf(tl_out, "\nAlternating automaton before simplification\n");

24
buchi.c
View file

@ -45,7 +45,7 @@ BState *bstack, *bstates, *bremoved;
BScc *scc_stack; BScc *scc_stack;
int bstate_count = 0, btrans_count = 0, rank; int bstate_count = 0, btrans_count = 0, rank;
static int accept; static int _accept;
/********************************************************************\ /********************************************************************\
|* Simplification of the generalized Buchi automaton *| |* Simplification of the generalized Buchi automaton *|
@ -172,8 +172,8 @@ void retarget_all_btrans()
int all_btrans_match(BState *a, BState *b) /* decides if the states are equivalent */ int all_btrans_match(BState *a, BState *b) /* decides if the states are equivalent */
{ {
BTrans *s, *t; BTrans *s, *t;
if (((a->final == accept) || (b->final == accept)) && if (((a->final == _accept) || (b->final == _accept)) &&
(a->final + b->final != 2 * accept) && (a->final + b->final != 2 * _accept) &&
a->incoming >=0 && b->incoming >=0) a->incoming >=0 && b->incoming >=0)
return 0; /* the states have to be both final or both non final */ return 0; /* the states have to be both final or both non final */
@ -334,7 +334,7 @@ BState *find_bstate(GState **state, int final, BState *s)
int next_final(int *set, int fin) /* computes the 'final' value */ int next_final(int *set, int fin) /* computes the 'final' value */
{ {
if((fin != accept) && in_set(set, final[fin + 1])) if((fin != _accept) && in_set(set, final[fin + 1]))
return next_final(set, fin + 1); return next_final(set, fin + 1);
return fin; return fin;
} }
@ -347,7 +347,7 @@ void make_btrans(BState *s) /* creates all the transitions from a state */
BState *s1; BState *s1;
if(s->gstate->trans) if(s->gstate->trans)
for(t = s->gstate->trans->nxt; t != s->gstate->trans; t = t->nxt) { for(t = s->gstate->trans->nxt; t != s->gstate->trans; t = t->nxt) {
int fin = next_final(t->final, (s->final == accept) ? 0 : s->final); int fin = next_final(t->final, (s->final == _accept) ? 0 : s->final);
BState *to = find_bstate(&t->to, fin, s); BState *to = find_bstate(&t->to, fin, s);
for(t1 = s->trans->nxt; t1 != s->trans;) { for(t1 = s->trans->nxt; t1 != s->trans;) {
@ -426,7 +426,7 @@ void make_btrans(BState *s) /* creates all the transitions from a state */
|* Export of the Buchi automaton *| |* Export of the Buchi automaton *|
\********************************************************************/ \********************************************************************/
BState* buchi_bstates() { return bstates; } BState* buchi_bstates() { return bstates; }
int buchi_accept() { return accept; } int buchi_accept() { return _accept; }
/********************************************************************\ /********************************************************************\
|* Display of the Buchi automaton *| |* Display of the Buchi automaton *|
@ -443,7 +443,7 @@ void print_buchi(BState *s) /* dumps the Buchi automaton */
if(s->id == -1) if(s->id == -1)
fprintf(tl_out, "init"); fprintf(tl_out, "init");
else { else {
if(s->final == accept) if(s->final == _accept)
fprintf(tl_out, "accept"); fprintf(tl_out, "accept");
else else
fprintf(tl_out, "T%i", s->final); fprintf(tl_out, "T%i", s->final);
@ -460,7 +460,7 @@ void print_buchi(BState *s) /* dumps the Buchi automaton */
if(t->to->id == -1) if(t->to->id == -1)
fprintf(tl_out, "init\n"); fprintf(tl_out, "init\n");
else { else {
if(t->to->final == accept) if(t->to->final == _accept)
fprintf(tl_out, "accept"); fprintf(tl_out, "accept");
else else
fprintf(tl_out, "T%i", t->to->final); fprintf(tl_out, "T%i", t->to->final);
@ -478,7 +478,7 @@ print_dot_buchi_1(BState *s)
print_dot_buchi_1(s->nxt); /* begins with the last state */ print_dot_buchi_1(s->nxt); /* begins with the last state */
fprintf(tl_out, "%i[label=\"%i\"%s];\n", s->id, s->id, fprintf(tl_out, "%i[label=\"%i\"%s];\n", s->id, s->id,
s->final == accept ? ",shape=doublecircle" : ""); s->final == _accept ? ",shape=doublecircle" : "");
for(t = s->trans->nxt; t != s->trans; t = t->nxt) { for(t = s->trans->nxt; t != s->trans; t = t->nxt) {
fprintf(tl_out, "%d -> %d [label=\"", s->id, t->to->id); fprintf(tl_out, "%d -> %d [label=\"", s->id, t->to->id);
@ -546,7 +546,7 @@ void print_spin_buchi() {
accept_all = 1; accept_all = 1;
continue; continue;
} }
if(s->final == accept) if(s->final == _accept)
fprintf(tl_out, "accept_"); fprintf(tl_out, "accept_");
else fprintf(tl_out, "T%i_", s->final); else fprintf(tl_out, "T%i_", s->final);
if(s->id == -1) if(s->id == -1)
@ -570,7 +570,7 @@ void print_spin_buchi() {
} }
else t1 = t1->nxt; else t1 = t1->nxt;
fprintf(tl_out, ") -> goto "); fprintf(tl_out, ") -> goto ");
if(t->to->final == accept) if(t->to->final == _accept)
fprintf(tl_out, "accept_"); fprintf(tl_out, "accept_");
else fprintf(tl_out, "T%i_", t->to->final); else fprintf(tl_out, "T%i_", t->to->final);
if(t->to->id == 0) if(t->to->id == 0)
@ -598,7 +598,7 @@ void mk_buchi()
BState *s = (BState *)tl_emalloc(sizeof(BState)); BState *s = (BState *)tl_emalloc(sizeof(BState));
GTrans *t; GTrans *t;
BTrans *t1; BTrans *t1;
accept = final[0] - 1; _accept = final[0] - 1;
if(tl_stats) getrusage(RUSAGE_SELF, &tr_debut); if(tl_stats) getrusage(RUSAGE_SELF, &tr_debut);

17
configure.ac
View file

@ -10,19 +10,24 @@ AC_CONFIG_HEADERS([config.h])
# Checks for programs. # Checks for programs.
AC_PROG_CC AC_PROG_CC
#
# for gnulib
gl_EARLY
AC_PROG_CXX AC_PROG_CXX
AC_PROG_AWK AC_PROG_AWK
AC_PROG_CPP AC_PROG_CPP
AC_PROG_INSTALL AC_PROG_INSTALL
AC_PROG_LN_S AC_PROG_LN_S
AC_PROG_MAKE_SET AC_PROG_MAKE_SET
dnl Newer libtool allows this instead: LT_PREREQ(2.2)
dnl LT_PREREQ(2.2) LT_INIT([disable-shared win32-dll])
dnl LT_INIT([disable-shared])
AC_DISABLE_SHARED
AC_PROG_LIBTOOL AC_PROG_LIBTOOL
AC_PROG_RANLIB AC_PROG_RANLIB
# for gnulib
gl_INIT
AX_TRY_CFLAGS_IFELSE([-W -Wall]) AX_TRY_CFLAGS_IFELSE([-W -Wall])
AX_TRY_CFLAGS_IFELSE([-pipe]) AX_TRY_CFLAGS_IFELSE([-pipe])
AX_TRY_CFLAGS_IFELSE([-ansi]) AX_TRY_CFLAGS_IFELSE([-ansi])
@ -35,10 +40,10 @@ AC_CHECK_HEADERS([stdlib.h string.h sys/time.h])
# Checks for typedefs, structures, and compiler characteristics. # Checks for typedefs, structures, and compiler characteristics.
# Checks for library functions. # Checks for library functions.
AC_FUNC_MALLOC AC_CHECK_FUNCS([memset strlcat])
AC_CHECK_FUNCS([memset])
AC_CONFIG_FILES([ AC_CONFIG_FILES([
lib/Makefile
Makefile Makefile
]) ])
AC_OUTPUT AC_OUTPUT

1192
lib/Makefile.am Normal file
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File diff suppressed because it is too large Load diff

65
lib/alloca.in.h Normal file
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@ -0,0 +1,65 @@
/* Memory allocation on the stack.
Copyright (C) 1995, 1999, 2001-2004, 2006-2018 Free Software Foundation,
Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, see
<https://www.gnu.org/licenses/>.
*/
/* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H
means there is a real alloca function. */
#ifndef _GL_ALLOCA_H
#define _GL_ALLOCA_H
/* alloca (N) returns a pointer to N bytes of memory
allocated on the stack, which will last until the function returns.
Use of alloca should be avoided:
- inside arguments of function calls - undefined behaviour,
- in inline functions - the allocation may actually last until the
calling function returns,
- for huge N (say, N >= 65536) - you never know how large (or small)
the stack is, and when the stack cannot fulfill the memory allocation
request, the program just crashes.
*/
#ifndef alloca
# ifdef __GNUC__
# define alloca __builtin_alloca
# elif defined _AIX
# define alloca __alloca
# elif defined _MSC_VER
# include <malloc.h>
# define alloca _alloca
# elif defined __DECC && defined __VMS
# define alloca __ALLOCA
# elif defined __TANDEM && defined _TNS_E_TARGET
# ifdef __cplusplus
extern "C"
# endif
void *_alloca (unsigned short);
# pragma intrinsic (_alloca)
# define alloca _alloca
# elif defined __MVS__
# include <stdlib.h>
# else
# include <stddef.h>
# ifdef __cplusplus
extern "C"
# endif
void *alloca (size_t);
# endif
#endif
#endif /* _GL_ALLOCA_H */

26
lib/arg-nonnull.h Normal file
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@ -0,0 +1,26 @@
/* A C macro for declaring that specific arguments must not be NULL.
Copyright (C) 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
that the values passed as arguments n, ..., m must be non-NULL pointers.
n = 1 stands for the first argument, n = 2 for the second argument etc. */
#ifndef _GL_ARG_NONNULL
# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
# else
# define _GL_ARG_NONNULL(params)
# endif
#endif

34
lib/asnprintf.c Normal file
View file

@ -0,0 +1,34 @@
/* Formatted output to strings.
Copyright (C) 1999, 2002, 2006, 2009-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "vasnprintf.h"
#include <stdarg.h>
char *
asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
{
va_list args;
char *result;
va_start (args, format);
result = vasnprintf (resultbuf, lengthp, format, args);
va_end (args);
return result;
}

316
lib/c++defs.h Normal file
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@ -0,0 +1,316 @@
/* C++ compatible function declaration macros.
Copyright (C) 2010-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GL_CXXDEFS_H
#define _GL_CXXDEFS_H
/* Begin/end the GNULIB_NAMESPACE namespace. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_BEGIN_NAMESPACE namespace GNULIB_NAMESPACE {
# define _GL_END_NAMESPACE }
#else
# define _GL_BEGIN_NAMESPACE
# define _GL_END_NAMESPACE
#endif
/* The three most frequent use cases of these macros are:
* For providing a substitute for a function that is missing on some
platforms, but is declared and works fine on the platforms on which
it exists:
#if @GNULIB_FOO@
# if !@HAVE_FOO@
_GL_FUNCDECL_SYS (foo, ...);
# endif
_GL_CXXALIAS_SYS (foo, ...);
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
* For providing a replacement for a function that exists on all platforms,
but is broken/insufficient and needs to be replaced on some platforms:
#if @GNULIB_FOO@
# if @REPLACE_FOO@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef foo
# define foo rpl_foo
# endif
_GL_FUNCDECL_RPL (foo, ...);
_GL_CXXALIAS_RPL (foo, ...);
# else
_GL_CXXALIAS_SYS (foo, ...);
# endif
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
* For providing a replacement for a function that exists on some platforms
but is broken/insufficient and needs to be replaced on some of them and
is additionally either missing or undeclared on some other platforms:
#if @GNULIB_FOO@
# if @REPLACE_FOO@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef foo
# define foo rpl_foo
# endif
_GL_FUNCDECL_RPL (foo, ...);
_GL_CXXALIAS_RPL (foo, ...);
# else
# if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@
_GL_FUNCDECL_SYS (foo, ...);
# endif
_GL_CXXALIAS_SYS (foo, ...);
# endif
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
*/
/* _GL_EXTERN_C declaration;
performs the declaration with C linkage. */
#if defined __cplusplus
# define _GL_EXTERN_C extern "C"
#else
# define _GL_EXTERN_C extern
#endif
/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
declares a replacement function, named rpl_func, with the given prototype,
consisting of return type, parameters, and attributes.
Example:
_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
*/
#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
_GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
_GL_EXTERN_C rettype rpl_func parameters_and_attributes
/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
declares the system function, named func, with the given prototype,
consisting of return type, parameters, and attributes.
Example:
_GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
*/
#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
_GL_EXTERN_C rettype func parameters_and_attributes
/* _GL_CXXALIAS_RPL (func, rettype, parameters);
declares a C++ alias called GNULIB_NAMESPACE::func
that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
Example:
_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
Wrapping rpl_func in an object with an inline conversion operator
avoids a reference to rpl_func unless GNULIB_NAMESPACE::func is
actually used in the program. */
#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
_GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static const struct _gl_ ## func ## _wrapper \
{ \
typedef rettype (*type) parameters; \
\
inline operator type () const \
{ \
return ::rpl_func; \
} \
} func = {}; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
except that the C function rpl_func may have a slightly different
declaration. A cast is used to silence the "invalid conversion" error
that would otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static const struct _gl_ ## func ## _wrapper \
{ \
typedef rettype (*type) parameters; \
\
inline operator type () const \
{ \
return reinterpret_cast<type>(::rpl_func); \
} \
} func = {}; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS (func, rettype, parameters);
declares a C++ alias called GNULIB_NAMESPACE::func
that redirects to the system provided function func, if GNULIB_NAMESPACE
is defined.
Example:
_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
Wrapping func in an object with an inline conversion operator
avoids a reference to func unless GNULIB_NAMESPACE::func is
actually used in the program. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static const struct _gl_ ## func ## _wrapper \
{ \
typedef rettype (*type) parameters; \
\
inline operator type () const \
{ \
return ::func; \
} \
} func = {}; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
is like _GL_CXXALIAS_SYS (func, rettype, parameters);
except that the C function func may have a slightly different declaration.
A cast is used to silence the "invalid conversion" error that would
otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static const struct _gl_ ## func ## _wrapper \
{ \
typedef rettype (*type) parameters; \
\
inline operator type () const \
{ \
return reinterpret_cast<type>(::func); \
} \
} func = {}; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
is like _GL_CXXALIAS_SYS (func, rettype, parameters);
except that the C function is picked among a set of overloaded functions,
namely the one with rettype2 and parameters2. Two consecutive casts
are used to silence the "cannot find a match" and "invalid conversion"
errors that would otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
/* The outer cast must be a reinterpret_cast.
The inner cast: When the function is defined as a set of overloaded
functions, it works as a static_cast<>, choosing the designated variant.
When the function is defined as a single variant, it works as a
reinterpret_cast<>. The parenthesized cast syntax works both ways. */
# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
namespace GNULIB_NAMESPACE \
{ \
static const struct _gl_ ## func ## _wrapper \
{ \
typedef rettype (*type) parameters; \
\
inline operator type () const \
{ \
return reinterpret_cast<type>((rettype2 (*) parameters2)(::func)); \
} \
} func = {}; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIASWARN (func);
causes a warning to be emitted when ::func is used but not when
GNULIB_NAMESPACE::func is used. func must be defined without overloaded
variants. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIASWARN(func) \
_GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
# define _GL_CXXALIASWARN_1(func,namespace) \
_GL_CXXALIASWARN_2 (func, namespace)
/* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
# if !__OPTIMIZE__
# define _GL_CXXALIASWARN_2(func,namespace) \
_GL_WARN_ON_USE (func, \
"The symbol ::" #func " refers to the system function. " \
"Use " #namespace "::" #func " instead.")
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
# define _GL_CXXALIASWARN_2(func,namespace) \
extern __typeof__ (func) func
# else
# define _GL_CXXALIASWARN_2(func,namespace) \
_GL_EXTERN_C int _gl_cxxalias_dummy
# endif
#else
# define _GL_CXXALIASWARN(func) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
causes a warning to be emitted when the given overloaded variant of ::func
is used but not when GNULIB_NAMESPACE::func is used. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
_GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
GNULIB_NAMESPACE)
# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
_GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
/* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
# if !__OPTIMIZE__
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
_GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
"The symbol ::" #func " refers to the system function. " \
"Use " #namespace "::" #func " instead.")
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
extern __typeof__ (func) func
# else
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
_GL_EXTERN_C int _gl_cxxalias_dummy
# endif
#else
# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
#endif /* _GL_CXXDEFS_H */

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/* A POSIX-like <errno.h>.
Copyright (C) 2008-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_ERRNO_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_ERRNO_H@
#ifndef _@GUARD_PREFIX@_ERRNO_H
#define _@GUARD_PREFIX@_ERRNO_H
/* On native Windows platforms, many macros are not defined. */
# if defined _WIN32 && ! defined __CYGWIN__
/* These are the same values as defined by MSVC 10, for interoperability. */
# ifndef ENOMSG
# define ENOMSG 122
# define GNULIB_defined_ENOMSG 1
# endif
# ifndef EIDRM
# define EIDRM 111
# define GNULIB_defined_EIDRM 1
# endif
# ifndef ENOLINK
# define ENOLINK 121
# define GNULIB_defined_ENOLINK 1
# endif
# ifndef EPROTO
# define EPROTO 134
# define GNULIB_defined_EPROTO 1
# endif
# ifndef EBADMSG
# define EBADMSG 104
# define GNULIB_defined_EBADMSG 1
# endif
# ifndef EOVERFLOW
# define EOVERFLOW 132
# define GNULIB_defined_EOVERFLOW 1
# endif
# ifndef ENOTSUP
# define ENOTSUP 129
# define GNULIB_defined_ENOTSUP 1
# endif
# ifndef ENETRESET
# define ENETRESET 117
# define GNULIB_defined_ENETRESET 1
# endif
# ifndef ECONNABORTED
# define ECONNABORTED 106
# define GNULIB_defined_ECONNABORTED 1
# endif
# ifndef ECANCELED
# define ECANCELED 105
# define GNULIB_defined_ECANCELED 1
# endif
# ifndef EOWNERDEAD
# define EOWNERDEAD 133
# define GNULIB_defined_EOWNERDEAD 1
# endif
# ifndef ENOTRECOVERABLE
# define ENOTRECOVERABLE 127
# define GNULIB_defined_ENOTRECOVERABLE 1
# endif
# ifndef EINPROGRESS
# define EINPROGRESS 112
# define EALREADY 103
# define ENOTSOCK 128
# define EDESTADDRREQ 109
# define EMSGSIZE 115
# define EPROTOTYPE 136
# define ENOPROTOOPT 123
# define EPROTONOSUPPORT 135
# define EOPNOTSUPP 130
# define EAFNOSUPPORT 102
# define EADDRINUSE 100
# define EADDRNOTAVAIL 101
# define ENETDOWN 116
# define ENETUNREACH 118
# define ECONNRESET 108
# define ENOBUFS 119
# define EISCONN 113
# define ENOTCONN 126
# define ETIMEDOUT 138
# define ECONNREFUSED 107
# define ELOOP 114
# define EHOSTUNREACH 110
# define EWOULDBLOCK 140
# define GNULIB_defined_ESOCK 1
# endif
# ifndef ETXTBSY
# define ETXTBSY 139
# define ENODATA 120 /* not required by POSIX */
# define ENOSR 124 /* not required by POSIX */
# define ENOSTR 125 /* not required by POSIX */
# define ETIME 137 /* not required by POSIX */
# define EOTHER 131 /* not required by POSIX */
# define GNULIB_defined_ESTREAMS 1
# endif
/* These are intentionally the same values as the WSA* error numbers, defined
in <winsock2.h>. */
# define ESOCKTNOSUPPORT 10044 /* not required by POSIX */
# define EPFNOSUPPORT 10046 /* not required by POSIX */
# define ESHUTDOWN 10058 /* not required by POSIX */
# define ETOOMANYREFS 10059 /* not required by POSIX */
# define EHOSTDOWN 10064 /* not required by POSIX */
# define EPROCLIM 10067 /* not required by POSIX */
# define EUSERS 10068 /* not required by POSIX */
# define EDQUOT 10069
# define ESTALE 10070
# define EREMOTE 10071 /* not required by POSIX */
# define GNULIB_defined_EWINSOCK 1
# endif
/* On OSF/1 5.1, when _XOPEN_SOURCE_EXTENDED is not defined, the macros
EMULTIHOP, ENOLINK, EOVERFLOW are not defined. */
# if @EMULTIHOP_HIDDEN@
# define EMULTIHOP @EMULTIHOP_VALUE@
# define GNULIB_defined_EMULTIHOP 1
# endif
# if @ENOLINK_HIDDEN@
# define ENOLINK @ENOLINK_VALUE@
# define GNULIB_defined_ENOLINK 1
# endif
# if @EOVERFLOW_HIDDEN@
# define EOVERFLOW @EOVERFLOW_VALUE@
# define GNULIB_defined_EOVERFLOW 1
# endif
/* On OpenBSD 4.0 and on native Windows, the macros ENOMSG, EIDRM, ENOLINK,
EPROTO, EMULTIHOP, EBADMSG, EOVERFLOW, ENOTSUP, ECANCELED are not defined.
Likewise, on NonStop Kernel, EDQUOT is not defined.
Define them here. Values >= 2000 seem safe to use: Solaris ESTALE = 151,
HP-UX EWOULDBLOCK = 246, IRIX EDQUOT = 1133.
Note: When one of these systems defines some of these macros some day,
binaries will have to be recompiled so that they recognizes the new
errno values from the system. */
# ifndef ENOMSG
# define ENOMSG 2000
# define GNULIB_defined_ENOMSG 1
# endif
# ifndef EIDRM
# define EIDRM 2001
# define GNULIB_defined_EIDRM 1
# endif
# ifndef ENOLINK
# define ENOLINK 2002
# define GNULIB_defined_ENOLINK 1
# endif
# ifndef EPROTO
# define EPROTO 2003
# define GNULIB_defined_EPROTO 1
# endif
# ifndef EMULTIHOP
# define EMULTIHOP 2004
# define GNULIB_defined_EMULTIHOP 1
# endif
# ifndef EBADMSG
# define EBADMSG 2005
# define GNULIB_defined_EBADMSG 1
# endif
# ifndef EOVERFLOW
# define EOVERFLOW 2006
# define GNULIB_defined_EOVERFLOW 1
# endif
# ifndef ENOTSUP
# define ENOTSUP 2007
# define GNULIB_defined_ENOTSUP 1
# endif
# ifndef ENETRESET
# define ENETRESET 2011
# define GNULIB_defined_ENETRESET 1
# endif
# ifndef ECONNABORTED
# define ECONNABORTED 2012
# define GNULIB_defined_ECONNABORTED 1
# endif
# ifndef ESTALE
# define ESTALE 2009
# define GNULIB_defined_ESTALE 1
# endif
# ifndef EDQUOT
# define EDQUOT 2010
# define GNULIB_defined_EDQUOT 1
# endif
# ifndef ECANCELED
# define ECANCELED 2008
# define GNULIB_defined_ECANCELED 1
# endif
/* On many platforms, the macros EOWNERDEAD and ENOTRECOVERABLE are not
defined. */
# ifndef EOWNERDEAD
# if defined __sun
/* Use the same values as defined for Solaris >= 8, for
interoperability. */
# define EOWNERDEAD 58
# define ENOTRECOVERABLE 59
# elif defined _WIN32 && ! defined __CYGWIN__
/* We have a conflict here: pthreads-win32 defines these values
differently than MSVC 10. It's hairy to decide which one to use. */
# if defined __MINGW32__ && !defined USE_WINDOWS_THREADS
/* Use the same values as defined by pthreads-win32, for
interoperability. */
# define EOWNERDEAD 43
# define ENOTRECOVERABLE 44
# else
/* Use the same values as defined by MSVC 10, for
interoperability. */
# define EOWNERDEAD 133
# define ENOTRECOVERABLE 127
# endif
# else
# define EOWNERDEAD 2013
# define ENOTRECOVERABLE 2014
# endif
# define GNULIB_defined_EOWNERDEAD 1
# define GNULIB_defined_ENOTRECOVERABLE 1
# endif
# ifndef EILSEQ
# define EILSEQ 2015
# define GNULIB_defined_EILSEQ 1
# endif
#endif /* _@GUARD_PREFIX@_ERRNO_H */
#endif /* _@GUARD_PREFIX@_ERRNO_H */

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/* Supplemental information about the floating-point formats.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _FLOATPLUS_H
#define _FLOATPLUS_H
#include <float.h>
#include <limits.h>
/* Number of bits in the mantissa of a floating-point number, including the
"hidden bit". */
#if FLT_RADIX == 2
# define FLT_MANT_BIT FLT_MANT_DIG
# define DBL_MANT_BIT DBL_MANT_DIG
# define LDBL_MANT_BIT LDBL_MANT_DIG
#elif FLT_RADIX == 4
# define FLT_MANT_BIT (FLT_MANT_DIG * 2)
# define DBL_MANT_BIT (DBL_MANT_DIG * 2)
# define LDBL_MANT_BIT (LDBL_MANT_DIG * 2)
#elif FLT_RADIX == 16
# define FLT_MANT_BIT (FLT_MANT_DIG * 4)
# define DBL_MANT_BIT (DBL_MANT_DIG * 4)
# define LDBL_MANT_BIT (LDBL_MANT_DIG * 4)
#endif
/* Bit mask that can be used to mask the exponent, as an unsigned number. */
#define FLT_EXP_MASK ((FLT_MAX_EXP - FLT_MIN_EXP) | 7)
#define DBL_EXP_MASK ((DBL_MAX_EXP - DBL_MIN_EXP) | 7)
#define LDBL_EXP_MASK ((LDBL_MAX_EXP - LDBL_MIN_EXP) | 7)
/* Number of bits used for the exponent of a floating-point number, including
the exponent's sign. */
#define FLT_EXP_BIT \
(FLT_EXP_MASK < 0x100 ? 8 : \
FLT_EXP_MASK < 0x200 ? 9 : \
FLT_EXP_MASK < 0x400 ? 10 : \
FLT_EXP_MASK < 0x800 ? 11 : \
FLT_EXP_MASK < 0x1000 ? 12 : \
FLT_EXP_MASK < 0x2000 ? 13 : \
FLT_EXP_MASK < 0x4000 ? 14 : \
FLT_EXP_MASK < 0x8000 ? 15 : \
FLT_EXP_MASK < 0x10000 ? 16 : \
FLT_EXP_MASK < 0x20000 ? 17 : \
FLT_EXP_MASK < 0x40000 ? 18 : \
FLT_EXP_MASK < 0x80000 ? 19 : \
FLT_EXP_MASK < 0x100000 ? 20 : \
FLT_EXP_MASK < 0x200000 ? 21 : \
FLT_EXP_MASK < 0x400000 ? 22 : \
FLT_EXP_MASK < 0x800000 ? 23 : \
FLT_EXP_MASK < 0x1000000 ? 24 : \
FLT_EXP_MASK < 0x2000000 ? 25 : \
FLT_EXP_MASK < 0x4000000 ? 26 : \
FLT_EXP_MASK < 0x8000000 ? 27 : \
FLT_EXP_MASK < 0x10000000 ? 28 : \
FLT_EXP_MASK < 0x20000000 ? 29 : \
FLT_EXP_MASK < 0x40000000 ? 30 : \
FLT_EXP_MASK <= 0x7fffffff ? 31 : \
32)
#define DBL_EXP_BIT \
(DBL_EXP_MASK < 0x100 ? 8 : \
DBL_EXP_MASK < 0x200 ? 9 : \
DBL_EXP_MASK < 0x400 ? 10 : \
DBL_EXP_MASK < 0x800 ? 11 : \
DBL_EXP_MASK < 0x1000 ? 12 : \
DBL_EXP_MASK < 0x2000 ? 13 : \
DBL_EXP_MASK < 0x4000 ? 14 : \
DBL_EXP_MASK < 0x8000 ? 15 : \
DBL_EXP_MASK < 0x10000 ? 16 : \
DBL_EXP_MASK < 0x20000 ? 17 : \
DBL_EXP_MASK < 0x40000 ? 18 : \
DBL_EXP_MASK < 0x80000 ? 19 : \
DBL_EXP_MASK < 0x100000 ? 20 : \
DBL_EXP_MASK < 0x200000 ? 21 : \
DBL_EXP_MASK < 0x400000 ? 22 : \
DBL_EXP_MASK < 0x800000 ? 23 : \
DBL_EXP_MASK < 0x1000000 ? 24 : \
DBL_EXP_MASK < 0x2000000 ? 25 : \
DBL_EXP_MASK < 0x4000000 ? 26 : \
DBL_EXP_MASK < 0x8000000 ? 27 : \
DBL_EXP_MASK < 0x10000000 ? 28 : \
DBL_EXP_MASK < 0x20000000 ? 29 : \
DBL_EXP_MASK < 0x40000000 ? 30 : \
DBL_EXP_MASK <= 0x7fffffff ? 31 : \
32)
#define LDBL_EXP_BIT \
(LDBL_EXP_MASK < 0x100 ? 8 : \
LDBL_EXP_MASK < 0x200 ? 9 : \
LDBL_EXP_MASK < 0x400 ? 10 : \
LDBL_EXP_MASK < 0x800 ? 11 : \
LDBL_EXP_MASK < 0x1000 ? 12 : \
LDBL_EXP_MASK < 0x2000 ? 13 : \
LDBL_EXP_MASK < 0x4000 ? 14 : \
LDBL_EXP_MASK < 0x8000 ? 15 : \
LDBL_EXP_MASK < 0x10000 ? 16 : \
LDBL_EXP_MASK < 0x20000 ? 17 : \
LDBL_EXP_MASK < 0x40000 ? 18 : \
LDBL_EXP_MASK < 0x80000 ? 19 : \
LDBL_EXP_MASK < 0x100000 ? 20 : \
LDBL_EXP_MASK < 0x200000 ? 21 : \
LDBL_EXP_MASK < 0x400000 ? 22 : \
LDBL_EXP_MASK < 0x800000 ? 23 : \
LDBL_EXP_MASK < 0x1000000 ? 24 : \
LDBL_EXP_MASK < 0x2000000 ? 25 : \
LDBL_EXP_MASK < 0x4000000 ? 26 : \
LDBL_EXP_MASK < 0x8000000 ? 27 : \
LDBL_EXP_MASK < 0x10000000 ? 28 : \
LDBL_EXP_MASK < 0x20000000 ? 29 : \
LDBL_EXP_MASK < 0x40000000 ? 30 : \
LDBL_EXP_MASK <= 0x7fffffff ? 31 : \
32)
/* Number of bits used for a floating-point number: the mantissa (not
counting the "hidden bit", since it may or may not be explicit), the
exponent, and the sign. */
#define FLT_TOTAL_BIT ((FLT_MANT_BIT - 1) + FLT_EXP_BIT + 1)
#define DBL_TOTAL_BIT ((DBL_MANT_BIT - 1) + DBL_EXP_BIT + 1)
#define LDBL_TOTAL_BIT ((LDBL_MANT_BIT - 1) + LDBL_EXP_BIT + 1)
/* Number of bytes used for a floating-point number.
This can be smaller than the 'sizeof'. For example, on i386 systems,
'long double' most often have LDBL_MANT_BIT = 64, LDBL_EXP_BIT = 16, hence
LDBL_TOTAL_BIT = 80 bits, i.e. 10 bytes of consecutive memory, but
sizeof (long double) = 12 or = 16. */
#define SIZEOF_FLT ((FLT_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
#define SIZEOF_DBL ((DBL_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
#define SIZEOF_LDBL ((LDBL_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
/* Verify that SIZEOF_FLT <= sizeof (float) etc. */
typedef int verify_sizeof_flt[SIZEOF_FLT <= sizeof (float) ? 1 : -1];
typedef int verify_sizeof_dbl[SIZEOF_DBL <= sizeof (double) ? 1 : - 1];
typedef int verify_sizeof_ldbl[SIZEOF_LDBL <= sizeof (long double) ? 1 : - 1];
#endif /* _FLOATPLUS_H */

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/* Auxiliary definitions for <float.h>.
Copyright (C) 2011-2018 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2011.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <float.h>
#if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__
const union gl_long_double_union gl_LDBL_MAX =
{ { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL } };
#elif defined __i386__
const union gl_long_double_union gl_LDBL_MAX =
{ { 0xFFFFFFFF, 0xFFFFFFFF, 32766 } };
#else
/* This declaration is solely to ensure that after preprocessing
this file is never empty. */
typedef int dummy;
#endif

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/* A correct <float.h>.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_FLOAT_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_FLOAT_H@
#ifndef _@GUARD_PREFIX@_FLOAT_H
#define _@GUARD_PREFIX@_FLOAT_H
/* 'long double' properties. */
#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
/* Number of mantissa units, in base FLT_RADIX. */
# undef LDBL_MANT_DIG
# define LDBL_MANT_DIG 64
/* Number of decimal digits that is sufficient for representing a number. */
# undef LDBL_DIG
# define LDBL_DIG 18
/* x-1 where x is the smallest representable number > 1. */
# undef LDBL_EPSILON
# define LDBL_EPSILON 1.0842021724855044340E-19L
/* Minimum e such that FLT_RADIX^(e-1) is a normalized number. */
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP (-16381)
/* Maximum e such that FLT_RADIX^(e-1) is a representable finite number. */
# undef LDBL_MAX_EXP
# define LDBL_MAX_EXP 16384
/* Minimum positive normalized number. */
# undef LDBL_MIN
# define LDBL_MIN 3.3621031431120935063E-4932L
/* Maximum representable finite number. */
# undef LDBL_MAX
# define LDBL_MAX 1.1897314953572317650E+4932L
/* Minimum e such that 10^e is in the range of normalized numbers. */
# undef LDBL_MIN_10_EXP
# define LDBL_MIN_10_EXP (-4931)
/* Maximum e such that 10^e is in the range of representable finite numbers. */
# undef LDBL_MAX_10_EXP
# define LDBL_MAX_10_EXP 4932
#endif
/* On FreeBSD/x86 6.4, the 'long double' type really has only 53 bits of
precision in the compiler but 64 bits of precision at runtime. See
<https://lists.gnu.org/r/bug-gnulib/2008-07/msg00063.html>. */
#if defined __i386__ && (defined __FreeBSD__ || defined __DragonFly__)
/* Number of mantissa units, in base FLT_RADIX. */
# undef LDBL_MANT_DIG
# define LDBL_MANT_DIG 64
/* Number of decimal digits that is sufficient for representing a number. */
# undef LDBL_DIG
# define LDBL_DIG 18
/* x-1 where x is the smallest representable number > 1. */
# undef LDBL_EPSILON
# define LDBL_EPSILON 1.084202172485504434007452800869941711426e-19L /* 2^-63 */
/* Minimum e such that FLT_RADIX^(e-1) is a normalized number. */
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP (-16381)
/* Maximum e such that FLT_RADIX^(e-1) is a representable finite number. */
# undef LDBL_MAX_EXP
# define LDBL_MAX_EXP 16384
/* Minimum positive normalized number. */
# undef LDBL_MIN
# define LDBL_MIN 3.362103143112093506262677817321752E-4932L /* = 0x1p-16382L */
/* Maximum representable finite number. */
# undef LDBL_MAX
/* LDBL_MAX is represented as { 0xFFFFFFFF, 0xFFFFFFFF, 32766 }.
But the largest literal that GCC allows us to write is
0x0.fffffffffffff8p16384L = { 0xFFFFF800, 0xFFFFFFFF, 32766 }.
So, define it like this through a reference to an external variable
const unsigned int LDBL_MAX[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 32766 };
extern const long double LDBL_MAX;
Unfortunately, this is not a constant expression. */
union gl_long_double_union
{
struct { unsigned int lo; unsigned int hi; unsigned int exponent; } xd;
long double ld;
};
extern const union gl_long_double_union gl_LDBL_MAX;
# define LDBL_MAX (gl_LDBL_MAX.ld)
/* Minimum e such that 10^e is in the range of normalized numbers. */
# undef LDBL_MIN_10_EXP
# define LDBL_MIN_10_EXP (-4931)
/* Maximum e such that 10^e is in the range of representable finite numbers. */
# undef LDBL_MAX_10_EXP
# define LDBL_MAX_10_EXP 4932
#endif
/* On AIX 7.1 with gcc 4.2, the values of LDBL_MIN_EXP, LDBL_MIN, LDBL_MAX are
wrong.
On Linux/PowerPC with gcc 4.4, the value of LDBL_MAX is wrong. */
#if (defined _ARCH_PPC || defined _POWER) && defined _AIX && (LDBL_MANT_DIG == 106) && defined __GNUC__
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP DBL_MIN_EXP
# undef LDBL_MIN_10_EXP
# define LDBL_MIN_10_EXP DBL_MIN_10_EXP
# undef LDBL_MIN
# define LDBL_MIN 2.22507385850720138309023271733240406422e-308L /* DBL_MIN = 2^-1022 */
#endif
#if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__
# undef LDBL_MAX
/* LDBL_MAX is represented as { 0x7FEFFFFF, 0xFFFFFFFF, 0x7C8FFFFF, 0xFFFFFFFF }.
It is not easy to define:
#define LDBL_MAX 1.79769313486231580793728971405302307166e308L
is too small, whereas
#define LDBL_MAX 1.79769313486231580793728971405302307167e308L
is too large. Apparently a bug in GCC decimal-to-binary conversion.
Also, I can't get values larger than
#define LDBL63 ((long double) (1ULL << 63))
#define LDBL882 (LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63)
#define LDBL945 (LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63)
#define LDBL1008 (LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63 * LDBL63)
#define LDBL_MAX (LDBL1008 * 65535.0L + LDBL945 * (long double) 9223372036821221375ULL + LDBL882 * (long double) 4611686018427387904ULL)
which is represented as { 0x7FEFFFFF, 0xFFFFFFFF, 0x7C8FFFFF, 0xF8000000 }.
So, define it like this through a reference to an external variable
const double LDBL_MAX[2] = { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL };
extern const long double LDBL_MAX;
or through a pointer cast
#define LDBL_MAX \
(*(const long double *) (double[]) { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL })
Unfortunately, this is not a constant expression, and the latter expression
does not work well when GCC is optimizing.. */
union gl_long_double_union
{
struct { double hi; double lo; } dd;
long double ld;
};
extern const union gl_long_double_union gl_LDBL_MAX;
# define LDBL_MAX (gl_LDBL_MAX.ld)
#endif
/* On IRIX 6.5, with cc, the value of LDBL_MANT_DIG is wrong.
On IRIX 6.5, with gcc 4.2, the values of LDBL_MIN_EXP, LDBL_MIN, LDBL_EPSILON
are wrong. */
#if defined __sgi && (LDBL_MANT_DIG >= 106)
# undef LDBL_MANT_DIG
# define LDBL_MANT_DIG 106
# if defined __GNUC__
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP DBL_MIN_EXP
# undef LDBL_MIN_10_EXP
# define LDBL_MIN_10_EXP DBL_MIN_10_EXP
# undef LDBL_MIN
# define LDBL_MIN 2.22507385850720138309023271733240406422e-308L /* DBL_MIN = 2^-1022 */
# undef LDBL_EPSILON
# define LDBL_EPSILON 2.46519032881566189191165176650870696773e-32L /* 2^-105 */
# endif
#endif
#if @REPLACE_ITOLD@
/* Pull in a function that fixes the 'int' to 'long double' conversion
of glibc 2.7. */
extern
# ifdef __cplusplus
"C"
# endif
void _Qp_itoq (long double *, int);
static void (*_gl_float_fix_itold) (long double *, int) = _Qp_itoq;
#endif
#endif /* _@GUARD_PREFIX@_FLOAT_H */
#endif /* _@GUARD_PREFIX@_FLOAT_H */

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/* Formatted output to a stream.
Copyright (C) 2004, 2006-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* Specification. */
#include <stdio.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include "fseterr.h"
#include "vasnprintf.h"
/* Print formatted output to the stream FP.
Return string length of formatted string. On error, return a negative
value. */
int
fprintf (FILE *fp, const char *format, ...)
{
char buf[2000];
char *output;
size_t len;
size_t lenbuf = sizeof (buf);
va_list args;
va_start (args, format);
output = vasnprintf (buf, &lenbuf, format, args);
len = lenbuf;
va_end (args);
if (!output)
{
fseterr (fp);
return -1;
}
if (fwrite (output, 1, len, fp) < len)
{
if (output != buf)
{
int saved_errno = errno;
free (output);
errno = saved_errno;
}
return -1;
}
if (output != buf)
free (output);
if (len > INT_MAX)
{
errno = EOVERFLOW;
fseterr (fp);
return -1;
}
return len;
}

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/* Manipulating the FPU control word. -*- coding: utf-8 -*-
Copyright (C) 2007-2018 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _FPUCW_H
#define _FPUCW_H
/* The i386 floating point hardware (the 387 compatible FPU, not the modern
SSE/SSE2 hardware) has a controllable rounding precision. It is specified
through the 'PC' bits in the FPU control word ('fctrl' register). (See
the GNU libc i386 <fpu_control.h> header for details.)
On some platforms, such as Linux or Solaris, the default precision setting
is set to "extended precision". This means that 'long double' instructions
operate correctly, but 'double' computations often produce slightly
different results as on strictly IEEE 754 conforming systems.
On some platforms, such as NetBSD, the default precision is set to
"double precision". This means that 'long double' instructions will operate
only as 'double', i.e. lead to wrong results. Similarly on FreeBSD 6.4, at
least for the division of 'long double' numbers.
The FPU control word is under control of the application, i.e. it is
not required to be set either way by the ABI. (In fact, the i386 ABI
https://www.linux-mips.org/pub/linux/mips/doc/ABI/abi386-4.pdf page 3-12 = page 38
is not clear about it. But in any case, gcc treats the control word
like a "preserved" register: it emits code that assumes that the control
word is preserved across calls, and it restores the control word at the
end of functions that modify it.)
See Vincent Lefèvre's page https://www.vinc17.net/research/extended.en.html
for a good explanation.
See http://www.uwsg.iu.edu/hypermail/linux/kernel/0103.0/0453.html for
some argumentation which setting should be the default. */
/* This header file provides the following facilities:
fpucw_t integral type holding the value of 'fctrl'
FPU_PC_MASK bit mask denoting the precision control
FPU_PC_DOUBLE precision control for 53 bits mantissa
FPU_PC_EXTENDED precision control for 64 bits mantissa
GET_FPUCW () yields the current FPU control word
SET_FPUCW (word) sets the FPU control word
DECL_LONG_DOUBLE_ROUNDING variable declaration for
BEGIN/END_LONG_DOUBLE_ROUNDING
BEGIN_LONG_DOUBLE_ROUNDING () starts a sequence of instructions with
'long double' safe operation precision
END_LONG_DOUBLE_ROUNDING () ends a sequence of instructions with
'long double' safe operation precision
*/
/* Inline assembler like this works only with GNU C. */
#if (defined __i386__ || defined __x86_64__) && defined __GNUC__
typedef unsigned short fpucw_t; /* glibc calls this fpu_control_t */
# define FPU_PC_MASK 0x0300
# define FPU_PC_DOUBLE 0x200 /* glibc calls this _FPU_DOUBLE */
# define FPU_PC_EXTENDED 0x300 /* glibc calls this _FPU_EXTENDED */
# define GET_FPUCW() \
({ fpucw_t _cw; \
__asm__ __volatile__ ("fnstcw %0" : "=m" (*&_cw)); \
_cw; \
})
# define SET_FPUCW(word) \
(void)({ fpucw_t _ncw = (word); \
__asm__ __volatile__ ("fldcw %0" : : "m" (*&_ncw)); \
})
# define DECL_LONG_DOUBLE_ROUNDING \
fpucw_t oldcw;
# define BEGIN_LONG_DOUBLE_ROUNDING() \
(void)(oldcw = GET_FPUCW (), \
SET_FPUCW ((oldcw & ~FPU_PC_MASK) | FPU_PC_EXTENDED))
# define END_LONG_DOUBLE_ROUNDING() \
SET_FPUCW (oldcw)
#else
typedef unsigned int fpucw_t;
# define FPU_PC_MASK 0
# define FPU_PC_DOUBLE 0
# define FPU_PC_EXTENDED 0
# define GET_FPUCW() 0
# define SET_FPUCW(word) (void)(word)
# define DECL_LONG_DOUBLE_ROUNDING
# define BEGIN_LONG_DOUBLE_ROUNDING()
# define END_LONG_DOUBLE_ROUNDING()
#endif
#endif /* _FPUCW_H */

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/* Split a double into fraction and mantissa.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Paolo Bonzini <bonzini@gnu.org>, 2003, and
Bruno Haible <bruno@clisp.org>, 2007. */
#if ! defined USE_LONG_DOUBLE
# include <config.h>
#endif
/* Specification. */
#include <math.h>
#include <float.h>
#ifdef USE_LONG_DOUBLE
# include "isnanl-nolibm.h"
# include "fpucw.h"
#else
# include "isnand-nolibm.h"
#endif
/* This file assumes FLT_RADIX = 2. If FLT_RADIX is a power of 2 greater
than 2, or not even a power of 2, some rounding errors can occur, so that
then the returned mantissa is only guaranteed to be <= 1.0, not < 1.0. */
#ifdef USE_LONG_DOUBLE
# define FUNC frexpl
# define DOUBLE long double
# define ISNAN isnanl
# define DECL_ROUNDING DECL_LONG_DOUBLE_ROUNDING
# define BEGIN_ROUNDING() BEGIN_LONG_DOUBLE_ROUNDING ()
# define END_ROUNDING() END_LONG_DOUBLE_ROUNDING ()
# define L_(literal) literal##L
#else
# define FUNC frexp
# define DOUBLE double
# define ISNAN isnand
# define DECL_ROUNDING
# define BEGIN_ROUNDING()
# define END_ROUNDING()
# define L_(literal) literal
#endif
DOUBLE
FUNC (DOUBLE x, int *expptr)
{
int sign;
int exponent;
DECL_ROUNDING
/* Test for NaN, infinity, and zero. */
if (ISNAN (x) || x + x == x)
{
*expptr = 0;
return x;
}
sign = 0;
if (x < 0)
{
x = - x;
sign = -1;
}
BEGIN_ROUNDING ();
{
/* Since the exponent is an 'int', it fits in 64 bits. Therefore the
loops are executed no more than 64 times. */
DOUBLE pow2[64]; /* pow2[i] = 2^2^i */
DOUBLE powh[64]; /* powh[i] = 2^-2^i */
int i;
exponent = 0;
if (x >= L_(1.0))
{
/* A positive exponent. */
DOUBLE pow2_i; /* = pow2[i] */
DOUBLE powh_i; /* = powh[i] */
/* Invariants: pow2_i = 2^2^i, powh_i = 2^-2^i,
x * 2^exponent = argument, x >= 1.0. */
for (i = 0, pow2_i = L_(2.0), powh_i = L_(0.5);
;
i++, pow2_i = pow2_i * pow2_i, powh_i = powh_i * powh_i)
{
if (x >= pow2_i)
{
exponent += (1 << i);
x *= powh_i;
}
else
break;
pow2[i] = pow2_i;
powh[i] = powh_i;
}
/* Avoid making x too small, as it could become a denormalized
number and thus lose precision. */
while (i > 0 && x < pow2[i - 1])
{
i--;
powh_i = powh[i];
}
exponent += (1 << i);
x *= powh_i;
/* Here 2^-2^i <= x < 1.0. */
}
else
{
/* A negative or zero exponent. */
DOUBLE pow2_i; /* = pow2[i] */
DOUBLE powh_i; /* = powh[i] */
/* Invariants: pow2_i = 2^2^i, powh_i = 2^-2^i,
x * 2^exponent = argument, x < 1.0. */
for (i = 0, pow2_i = L_(2.0), powh_i = L_(0.5);
;
i++, pow2_i = pow2_i * pow2_i, powh_i = powh_i * powh_i)
{
if (x < powh_i)
{
exponent -= (1 << i);
x *= pow2_i;
}
else
break;
pow2[i] = pow2_i;
powh[i] = powh_i;
}
/* Here 2^-2^i <= x < 1.0. */
}
/* Invariants: x * 2^exponent = argument, and 2^-2^i <= x < 1.0. */
while (i > 0)
{
i--;
if (x < powh[i])
{
exponent -= (1 << i);
x *= pow2[i];
}
}
/* Here 0.5 <= x < 1.0. */
}
if (sign < 0)
x = - x;
END_ROUNDING ();
*expptr = exponent;
return x;
}

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/* Split a 'long double' into fraction and mantissa.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Specification. */
# include <math.h>
long double
frexpl (long double x, int *expptr)
{
return frexp (x, expptr);
}
#else
# define USE_LONG_DOUBLE
# include "frexp.c"
#endif

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/* Set the error indicator of a stream.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "fseterr.h"
#include <errno.h>
#include "stdio-impl.h"
/* This file is not used on systems that have the __fseterr function,
namely musl libc. */
void
fseterr (FILE *fp)
{
/* Most systems provide FILE as a struct and the necessary bitmask in
<stdio.h>, because they need it for implementing getc() and putc() as
fast macros. */
#if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
/* GNU libc, BeOS, Haiku, Linux libc5 */
fp->_flags |= _IO_ERR_SEEN;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
fp_->_flags |= __SERR;
#elif defined __EMX__ /* emx+gcc */
fp->_flags |= _IOERR;
#elif defined __minix /* Minix */
fp->_flags |= _IOERR;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, MSVC, NonStop Kernel, OpenVMS */
fp_->_flag |= _IOERR;
#elif defined __UCLIBC__ /* uClibc */
fp->__modeflags |= __FLAG_ERROR;
#elif defined __QNX__ /* QNX */
fp->_Mode |= 0x200 /* _MERR */;
#elif defined __MINT__ /* Atari FreeMiNT */
fp->__error = 1;
#elif defined EPLAN9 /* Plan9 */
if (fp->state != 0 /* CLOSED */)
fp->state = 5 /* ERR */;
#elif 0 /* unknown */
/* Portable fallback, based on an idea by Rich Felker.
Wow! 6 system calls for something that is just a bit operation!
Not activated on any system, because there is no way to repair FP when
the sequence of system calls fails, and library code should not call
abort(). */
int saved_errno;
int fd;
int fd2;
saved_errno = errno;
fflush (fp);
fd = fileno (fp);
fd2 = dup (fd);
if (fd2 >= 0)
{
close (fd);
fputc ('\0', fp); /* This should set the error indicator. */
fflush (fp); /* Or this. */
if (dup2 (fd2, fd) < 0)
/* Whee... we botched the stream and now cannot restore it! */
abort ();
close (fd2);
}
errno = saved_errno;
#else
#error "Please port gnulib fseterr.c to your platform! Look at the definitions of ferror and clearerr on your system, then report this to bug-gnulib."
#endif
}

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/* Set the error indicator of a stream.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _FSETERR_H
#define _FSETERR_H
#include <stdio.h>
/* Set the error indicator of the stream FP.
The "error indicator" is set when an I/O operation on the stream fails, and
is cleared (together with the "end-of-file" indicator) by clearerr (FP). */
#if HAVE___FSETERR /* musl libc */
# include <stdio_ext.h>
# define fseterr(fp) __fseterr (fp)
#else
# ifdef __cplusplus
extern "C" {
# endif
extern void fseterr (FILE *fp);
# ifdef __cplusplus
}
# endif
#endif
#endif /* _FSETERR_H */

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/* getrusage replacement for systems which lack it.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible, 2012. */
#include <config.h>
/* Specification. */
#include <sys/resource.h>
#include <errno.h>
#include <string.h>
/* Get uint64_t. */
#include <stdint.h>
#if defined _WIN32 && ! defined __CYGWIN__
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#else
# include <sys/times.h>
# include <unistd.h>
#endif
int
getrusage (int who, struct rusage *usage_p)
{
if (who == RUSAGE_SELF || who == RUSAGE_CHILDREN)
{
/* Clear all unsupported members of 'struct rusage'. */
memset (usage_p, '\0', sizeof (struct rusage));
#if defined _WIN32 && ! defined __CYGWIN__
if (who == RUSAGE_SELF)
{
/* Fill in the ru_utime and ru_stime members. */
FILETIME creation_time;
FILETIME exit_time;
FILETIME kernel_time;
FILETIME user_time;
if (GetProcessTimes (GetCurrentProcess (),
&creation_time, &exit_time,
&kernel_time, &user_time))
{
/* Convert to microseconds, rounding. */
uint64_t kernel_usec =
((((uint64_t) kernel_time.dwHighDateTime << 32)
| (uint64_t) kernel_time.dwLowDateTime)
+ 5) / 10;
uint64_t user_usec =
((((uint64_t) user_time.dwHighDateTime << 32)
| (uint64_t) user_time.dwLowDateTime)
+ 5) / 10;
usage_p->ru_utime.tv_sec = user_usec / 1000000U;
usage_p->ru_utime.tv_usec = user_usec % 1000000U;
usage_p->ru_stime.tv_sec = kernel_usec / 1000000U;
usage_p->ru_stime.tv_usec = kernel_usec % 1000000U;
}
}
#else
/* Fill in the ru_utime and ru_stime members. */
{
struct tms time;
if (times (&time) != (clock_t) -1)
{
/* Number of clock ticks per second. */
unsigned int clocks_per_second = sysconf (_SC_CLK_TCK);
if (clocks_per_second > 0)
{
clock_t user_ticks;
clock_t system_ticks;
uint64_t user_usec;
uint64_t system_usec;
if (who == RUSAGE_CHILDREN)
{
user_ticks = time.tms_cutime;
system_ticks = time.tms_cstime;
}
else
{
user_ticks = time.tms_utime;
system_ticks = time.tms_stime;
}
user_usec =
(((uint64_t) user_ticks * (uint64_t) 1000000U)
+ clocks_per_second / 2) / clocks_per_second;
system_usec =
(((uint64_t) system_ticks * (uint64_t) 1000000U)
+ clocks_per_second / 2) / clocks_per_second;
usage_p->ru_utime.tv_sec = user_usec / 1000000U;
usage_p->ru_utime.tv_usec = user_usec % 1000000U;
usage_p->ru_stime.tv_sec = system_usec / 1000000U;
usage_p->ru_stime.tv_usec = system_usec % 1000000U;
}
}
}
#endif
return 0;
}
else
{
errno = EINVAL;
return -1;
}
}

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/* Test for NaN that does not need libm.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
/* Specification. */
#ifdef USE_LONG_DOUBLE
/* Specification found in math.h or isnanl-nolibm.h. */
extern int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST;
#elif ! defined USE_FLOAT
/* Specification found in math.h or isnand-nolibm.h. */
extern int rpl_isnand (double x);
#else /* defined USE_FLOAT */
/* Specification found in math.h or isnanf-nolibm.h. */
extern int rpl_isnanf (float x);
#endif
#include <float.h>
#include <string.h>
#include "float+.h"
#ifdef USE_LONG_DOUBLE
# define FUNC rpl_isnanl
# define DOUBLE long double
# define MAX_EXP LDBL_MAX_EXP
# define MIN_EXP LDBL_MIN_EXP
# if defined LDBL_EXPBIT0_WORD && defined LDBL_EXPBIT0_BIT
# define KNOWN_EXPBIT0_LOCATION
# define EXPBIT0_WORD LDBL_EXPBIT0_WORD
# define EXPBIT0_BIT LDBL_EXPBIT0_BIT
# endif
# define SIZE SIZEOF_LDBL
# define L_(literal) literal##L
#elif ! defined USE_FLOAT
# define FUNC rpl_isnand
# define DOUBLE double
# define MAX_EXP DBL_MAX_EXP
# define MIN_EXP DBL_MIN_EXP
# if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
# define KNOWN_EXPBIT0_LOCATION
# define EXPBIT0_WORD DBL_EXPBIT0_WORD
# define EXPBIT0_BIT DBL_EXPBIT0_BIT
# endif
# define SIZE SIZEOF_DBL
# define L_(literal) literal
#else /* defined USE_FLOAT */
# define FUNC rpl_isnanf
# define DOUBLE float
# define MAX_EXP FLT_MAX_EXP
# define MIN_EXP FLT_MIN_EXP
# if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT
# define KNOWN_EXPBIT0_LOCATION
# define EXPBIT0_WORD FLT_EXPBIT0_WORD
# define EXPBIT0_BIT FLT_EXPBIT0_BIT
# endif
# define SIZE SIZEOF_FLT
# define L_(literal) literal##f
#endif
#define EXP_MASK ((MAX_EXP - MIN_EXP) | 7)
#define NWORDS \
((sizeof (DOUBLE) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { DOUBLE value; unsigned int word[NWORDS]; } memory_double;
/* Most hosts nowadays use IEEE floating point, so they use IEC 60559
representations, have infinities and NaNs, and do not trap on
exceptions. Define IEEE_FLOATING_POINT if this host is one of the
typical ones. The C11 macro __STDC_IEC_559__ is close to what is
wanted here, but is not quite right because this file does not require
all the features of C11 Annex F (and does not require C11 at all,
for that matter). */
#define IEEE_FLOATING_POINT (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \
&& FLT_MIN_EXP == -125 && FLT_MAX_EXP == 128)
int
FUNC (DOUBLE x)
{
#if defined KNOWN_EXPBIT0_LOCATION && IEEE_FLOATING_POINT
# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Special CPU dependent code is needed to treat bit patterns outside the
IEEE 754 specification (such as Pseudo-NaNs, Pseudo-Infinities,
Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals) as NaNs.
These bit patterns are:
- exponent = 0x0001..0x7FFF, mantissa bit 63 = 0,
- exponent = 0x0000, mantissa bit 63 = 1.
The NaN bit pattern is:
- exponent = 0x7FFF, mantissa >= 0x8000000000000001. */
memory_double m;
unsigned int exponent;
m.value = x;
exponent = (m.word[EXPBIT0_WORD] >> EXPBIT0_BIT) & EXP_MASK;
# ifdef WORDS_BIGENDIAN
/* Big endian: EXPBIT0_WORD = 0, EXPBIT0_BIT = 16. */
if (exponent == 0)
return 1 & (m.word[0] >> 15);
else if (exponent == EXP_MASK)
return (((m.word[0] ^ 0x8000U) << 16) | m.word[1] | (m.word[2] >> 16)) != 0;
else
return 1 & ~(m.word[0] >> 15);
# else
/* Little endian: EXPBIT0_WORD = 2, EXPBIT0_BIT = 0. */
if (exponent == 0)
return (m.word[1] >> 31);
else if (exponent == EXP_MASK)
return ((m.word[1] ^ 0x80000000U) | m.word[0]) != 0;
else
return (m.word[1] >> 31) ^ 1;
# endif
# else
/* Be careful to not do any floating-point operation on x, such as x == x,
because x may be a signaling NaN. */
# if defined __SUNPRO_C || defined __ICC || defined _MSC_VER \
|| defined __DECC || defined __TINYC__ \
|| (defined __sgi && !defined __GNUC__)
/* The Sun C 5.0, Intel ICC 10.0, Microsoft Visual C/C++ 9.0, Compaq (ex-DEC)
6.4, and TinyCC compilers don't recognize the initializers as constant
expressions. The Compaq compiler also fails when constant-folding
0.0 / 0.0 even when constant-folding is not required. The Microsoft
Visual C/C++ compiler also fails when constant-folding 1.0 / 0.0 even
when constant-folding is not required. The SGI MIPSpro C compiler
complains about "floating-point operation result is out of range". */
static DOUBLE zero = L_(0.0);
memory_double nan;
DOUBLE plus_inf = L_(1.0) / zero;
DOUBLE minus_inf = -L_(1.0) / zero;
nan.value = zero / zero;
# else
static memory_double nan = { L_(0.0) / L_(0.0) };
static DOUBLE plus_inf = L_(1.0) / L_(0.0);
static DOUBLE minus_inf = -L_(1.0) / L_(0.0);
# endif
{
memory_double m;
/* A NaN can be recognized through its exponent. But exclude +Infinity and
-Infinity, which have the same exponent. */
m.value = x;
if (((m.word[EXPBIT0_WORD] ^ nan.word[EXPBIT0_WORD])
& (EXP_MASK << EXPBIT0_BIT))
== 0)
return (memcmp (&m.value, &plus_inf, SIZE) != 0
&& memcmp (&m.value, &minus_inf, SIZE) != 0);
else
return 0;
}
# endif
#else
/* The configuration did not find sufficient information, or does
not use IEEE floating point. Give up about the signaling NaNs;
handle only the quiet NaNs. */
if (x == x)
{
# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Detect any special bit patterns that pass ==; see comment above. */
memory_double m1;
memory_double m2;
memset (&m1.value, 0, SIZE);
memset (&m2.value, 0, SIZE);
m1.value = x;
m2.value = x + (x ? 0.0L : -0.0L);
if (memcmp (&m1.value, &m2.value, SIZE) != 0)
return 1;
# endif
return 0;
}
else
return 1;
#endif
}

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/* Test for NaN that does not need libm.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if HAVE_ISNAND_IN_LIBC
/* Get declaration of isnan macro. */
# include <math.h>
# if __GNUC__ >= 4
/* GCC 4.0 and newer provides three built-ins for isnan. */
# undef isnand
# define isnand(x) __builtin_isnan ((double)(x))
# else
# undef isnand
# define isnand(x) isnan ((double)(x))
# endif
#else
/* Test whether X is a NaN. */
# undef isnand
# define isnand rpl_isnand
extern int isnand (double x);
#endif

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/* Test for NaN that does not need libm.
Copyright (C) 2008-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
#include "isnan.c"

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/* Test for NaN that does not need libm.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if HAVE_ISNANF_IN_LIBC
/* Get declaration of isnan macro or (older) isnanf function. */
# include <math.h>
# if __GNUC__ >= 4
/* GCC 4.0 and newer provides three built-ins for isnan. */
# undef isnanf
# define isnanf(x) __builtin_isnanf ((float)(x))
# elif defined isnan
# undef isnanf
# define isnanf(x) isnan ((float)(x))
# else
/* Get declaration of isnanf(), if not declared in <math.h>. */
# if defined __sgi
/* We can't include <ieeefp.h>, because it conflicts with our definition of
isnand. Therefore declare isnanf separately. */
extern int isnanf (float x);
# endif
# endif
#else
/* Test whether X is a NaN. */
# undef isnanf
# define isnanf rpl_isnanf
extern int isnanf (float x);
#endif

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/* Test for NaN that does not need libm.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#define USE_FLOAT
#include "isnan.c"

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/* Test for NaN that does not need libm.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if HAVE_ISNANL_IN_LIBC
/* Get declaration of isnan macro or (older) isnanl function. */
# include <math.h>
# if __GNUC__ >= 4
/* GCC 4.0 and newer provides three built-ins for isnan. */
# undef isnanl
# define isnanl(x) __builtin_isnanl ((long double)(x))
# elif defined isnan
# undef isnanl
# define isnanl(x) isnan ((long double)(x))
# endif
#else
/* Test whether X is a NaN. */
# undef isnanl
# define isnanl rpl_isnanl
extern int isnanl (long double x);
#endif

20
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/* Test for NaN that does not need libm.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#define USE_LONG_DOUBLE
#include "isnan.c"

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/* Replacement for 'int' to 'long double' conversion routine.
Copyright (C) 2011-2018 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2011.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <float.h>
void
_Qp_itoq (long double *result, int a)
{
/* Convert from 'int' to 'double', then from 'double' to 'long double'. */
*result = (double) a;
}

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/* A GNU-like <limits.h>.
Copyright 2016-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_LIMITS_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_LIMITS_H@
#ifndef _@GUARD_PREFIX@_LIMITS_H
#define _@GUARD_PREFIX@_LIMITS_H
/* For HP-UX 11.31. */
#if defined LONG_LONG_MIN && !defined LLONG_MIN
# define LLONG_MIN LONG_LONG_MIN
#endif
#if defined LONG_LONG_MAX && !defined LLONG_MAX
# define LLONG_MAX LONG_LONG_MAX
#endif
#if defined ULONG_LONG_MAX && !defined ULLONG_MAX
# define ULLONG_MAX ULONG_LONG_MAX
#endif
/* The number of usable bits in an unsigned or signed integer type
with minimum value MIN and maximum value MAX, as an int expression
suitable in #if. Cover all known practical hosts. This
implementation exploits the fact that MAX is 1 less than a power of
2, and merely counts the number of 1 bits in MAX; "COBn" means
"count the number of 1 bits in the low-order n bits"). */
#define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max))
#define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n))
#define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n))
#define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n))
#define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n))
#define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n))
#define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1))
/* Macros specified by ISO/IEC TS 18661-1:2014. */
#if (! defined ULLONG_WIDTH \
&& (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__))
# define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX)
# define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX)
# define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX)
# define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX)
# define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX)
# define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX)
# define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX)
# define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX)
# define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX)
# define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX)
# define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX)
#endif /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */
#endif /* _@GUARD_PREFIX@_LIMITS_H */
#endif /* _@GUARD_PREFIX@_LIMITS_H */

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#include <config.h>
#define _GL_MATH_INLINE _GL_EXTERN_INLINE
#include "math.h"
typedef int dummy;

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/* Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2004, 2006, 2008-2018
Free Software Foundation, Inc.
Based on strlen implementation by Torbjorn Granlund (tege@sics.se),
with help from Dan Sahlin (dan@sics.se) and
commentary by Jim Blandy (jimb@ai.mit.edu);
adaptation to memchr suggested by Dick Karpinski (dick@cca.ucsf.edu),
and implemented by Roland McGrath (roland@ai.mit.edu).
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@prep.ai.mit.edu.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _LIBC
# include <config.h>
#endif
#include <string.h>
#include <stddef.h>
#if defined _LIBC
# include <memcopy.h>
#else
# define reg_char char
#endif
#include <limits.h>
#if HAVE_BP_SYM_H || defined _LIBC
# include <bp-sym.h>
#else
# define BP_SYM(sym) sym
#endif
#undef __memchr
#ifdef _LIBC
# undef memchr
#endif
#ifndef weak_alias
# define __memchr memchr
#endif
/* Search no more than N bytes of S for C. */
void *
__memchr (void const *s, int c_in, size_t n)
{
/* On 32-bit hardware, choosing longword to be a 32-bit unsigned
long instead of a 64-bit uintmax_t tends to give better
performance. On 64-bit hardware, unsigned long is generally 64
bits already. Change this typedef to experiment with
performance. */
typedef unsigned long int longword;
const unsigned char *char_ptr;
const longword *longword_ptr;
longword repeated_one;
longword repeated_c;
unsigned reg_char c;
c = (unsigned char) c_in;
/* Handle the first few bytes by reading one byte at a time.
Do this until CHAR_PTR is aligned on a longword boundary. */
for (char_ptr = (const unsigned char *) s;
n > 0 && (size_t) char_ptr % sizeof (longword) != 0;
--n, ++char_ptr)
if (*char_ptr == c)
return (void *) char_ptr;
longword_ptr = (const longword *) char_ptr;
/* All these elucidatory comments refer to 4-byte longwords,
but the theory applies equally well to any size longwords. */
/* Compute auxiliary longword values:
repeated_one is a value which has a 1 in every byte.
repeated_c has c in every byte. */
repeated_one = 0x01010101;
repeated_c = c | (c << 8);
repeated_c |= repeated_c << 16;
if (0xffffffffU < (longword) -1)
{
repeated_one |= repeated_one << 31 << 1;
repeated_c |= repeated_c << 31 << 1;
if (8 < sizeof (longword))
{
size_t i;
for (i = 64; i < sizeof (longword) * 8; i *= 2)
{
repeated_one |= repeated_one << i;
repeated_c |= repeated_c << i;
}
}
}
/* Instead of the traditional loop which tests each byte, we will test a
longword at a time. The tricky part is testing if *any of the four*
bytes in the longword in question are equal to c. We first use an xor
with repeated_c. This reduces the task to testing whether *any of the
four* bytes in longword1 is zero.
We compute tmp =
((longword1 - repeated_one) & ~longword1) & (repeated_one << 7).
That is, we perform the following operations:
1. Subtract repeated_one.
2. & ~longword1.
3. & a mask consisting of 0x80 in every byte.
Consider what happens in each byte:
- If a byte of longword1 is zero, step 1 and 2 transform it into 0xff,
and step 3 transforms it into 0x80. A carry can also be propagated
to more significant bytes.
- If a byte of longword1 is nonzero, let its lowest 1 bit be at
position k (0 <= k <= 7); so the lowest k bits are 0. After step 1,
the byte ends in a single bit of value 0 and k bits of value 1.
After step 2, the result is just k bits of value 1: 2^k - 1. After
step 3, the result is 0. And no carry is produced.
So, if longword1 has only non-zero bytes, tmp is zero.
Whereas if longword1 has a zero byte, call j the position of the least
significant zero byte. Then the result has a zero at positions 0, ...,
j-1 and a 0x80 at position j. We cannot predict the result at the more
significant bytes (positions j+1..3), but it does not matter since we
already have a non-zero bit at position 8*j+7.
So, the test whether any byte in longword1 is zero is equivalent to
testing whether tmp is nonzero. */
while (n >= sizeof (longword))
{
longword longword1 = *longword_ptr ^ repeated_c;
if ((((longword1 - repeated_one) & ~longword1)
& (repeated_one << 7)) != 0)
break;
longword_ptr++;
n -= sizeof (longword);
}
char_ptr = (const unsigned char *) longword_ptr;
/* At this point, we know that either n < sizeof (longword), or one of the
sizeof (longword) bytes starting at char_ptr is == c. On little-endian
machines, we could determine the first such byte without any further
memory accesses, just by looking at the tmp result from the last loop
iteration. But this does not work on big-endian machines. Choose code
that works in both cases. */
for (; n > 0; --n, ++char_ptr)
{
if (*char_ptr == c)
return (void *) char_ptr;
}
return NULL;
}
#ifdef weak_alias
weak_alias (__memchr, BP_SYM (memchr))
#endif

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# Suppress a valgrind message about use of uninitialized memory in memchr().
# POSIX states that when the character is found, memchr must not read extra
# bytes in an overestimated length (for example, where memchr is used to
# implement strnlen). However, we use a safe word read to provide a speedup.
{
memchr-value4
Memcheck:Value4
fun:rpl_memchr
}
{
memchr-value8
Memcheck:Value8
fun:rpl_memchr
}

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/* Decomposed printf argument list.
Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2018 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
/* This file can be parametrized with the following macros:
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
PRINTF_FETCHARGS Name of the function to be defined.
STATIC Set to 'static' to declare the function static. */
#ifndef PRINTF_FETCHARGS
# include <config.h>
#endif
/* Specification. */
#ifndef PRINTF_FETCHARGS
# include "printf-args.h"
#endif
#ifdef STATIC
STATIC
#endif
int
PRINTF_FETCHARGS (va_list args, arguments *a)
{
size_t i;
argument *ap;
for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
switch (ap->type)
{
case TYPE_SCHAR:
ap->a.a_schar = va_arg (args, /*signed char*/ int);
break;
case TYPE_UCHAR:
ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
break;
case TYPE_SHORT:
ap->a.a_short = va_arg (args, /*short*/ int);
break;
case TYPE_USHORT:
ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
break;
case TYPE_INT:
ap->a.a_int = va_arg (args, int);
break;
case TYPE_UINT:
ap->a.a_uint = va_arg (args, unsigned int);
break;
case TYPE_LONGINT:
ap->a.a_longint = va_arg (args, long int);
break;
case TYPE_ULONGINT:
ap->a.a_ulongint = va_arg (args, unsigned long int);
break;
#if HAVE_LONG_LONG_INT
case TYPE_LONGLONGINT:
ap->a.a_longlongint = va_arg (args, long long int);
break;
case TYPE_ULONGLONGINT:
ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
break;
#endif
case TYPE_DOUBLE:
ap->a.a_double = va_arg (args, double);
break;
case TYPE_LONGDOUBLE:
ap->a.a_longdouble = va_arg (args, long double);
break;
case TYPE_CHAR:
ap->a.a_char = va_arg (args, int);
break;
#if HAVE_WINT_T
case TYPE_WIDE_CHAR:
/* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
default argument promotions", this is not the case in mingw32,
where wint_t is 'unsigned short'. */
ap->a.a_wide_char =
(sizeof (wint_t) < sizeof (int)
? (wint_t) va_arg (args, int)
: va_arg (args, wint_t));
break;
#endif
case TYPE_STRING:
ap->a.a_string = va_arg (args, const char *);
/* A null pointer is an invalid argument for "%s", but in practice
it occurs quite frequently in printf statements that produce
debug output. Use a fallback in this case. */
if (ap->a.a_string == NULL)
ap->a.a_string = "(NULL)";
break;
#if HAVE_WCHAR_T
case TYPE_WIDE_STRING:
ap->a.a_wide_string = va_arg (args, const wchar_t *);
/* A null pointer is an invalid argument for "%ls", but in practice
it occurs quite frequently in printf statements that produce
debug output. Use a fallback in this case. */
if (ap->a.a_wide_string == NULL)
{
static const wchar_t wide_null_string[] =
{
(wchar_t)'(',
(wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
(wchar_t)')',
(wchar_t)0
};
ap->a.a_wide_string = wide_null_string;
}
break;
#endif
case TYPE_POINTER:
ap->a.a_pointer = va_arg (args, void *);
break;
case TYPE_COUNT_SCHAR_POINTER:
ap->a.a_count_schar_pointer = va_arg (args, signed char *);
break;
case TYPE_COUNT_SHORT_POINTER:
ap->a.a_count_short_pointer = va_arg (args, short *);
break;
case TYPE_COUNT_INT_POINTER:
ap->a.a_count_int_pointer = va_arg (args, int *);
break;
case TYPE_COUNT_LONGINT_POINTER:
ap->a.a_count_longint_pointer = va_arg (args, long int *);
break;
#if HAVE_LONG_LONG_INT
case TYPE_COUNT_LONGLONGINT_POINTER:
ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
break;
#endif
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
case TYPE_U8_STRING:
ap->a.a_u8_string = va_arg (args, const uint8_t *);
/* A null pointer is an invalid argument for "%U", but in practice
it occurs quite frequently in printf statements that produce
debug output. Use a fallback in this case. */
if (ap->a.a_u8_string == NULL)
{
static const uint8_t u8_null_string[] =
{ '(', 'N', 'U', 'L', 'L', ')', 0 };
ap->a.a_u8_string = u8_null_string;
}
break;
case TYPE_U16_STRING:
ap->a.a_u16_string = va_arg (args, const uint16_t *);
/* A null pointer is an invalid argument for "%lU", but in practice
it occurs quite frequently in printf statements that produce
debug output. Use a fallback in this case. */
if (ap->a.a_u16_string == NULL)
{
static const uint16_t u16_null_string[] =
{ '(', 'N', 'U', 'L', 'L', ')', 0 };
ap->a.a_u16_string = u16_null_string;
}
break;
case TYPE_U32_STRING:
ap->a.a_u32_string = va_arg (args, const uint32_t *);
/* A null pointer is an invalid argument for "%llU", but in practice
it occurs quite frequently in printf statements that produce
debug output. Use a fallback in this case. */
if (ap->a.a_u32_string == NULL)
{
static const uint32_t u32_null_string[] =
{ '(', 'N', 'U', 'L', 'L', ')', 0 };
ap->a.a_u32_string = u32_null_string;
}
break;
#endif
default:
/* Unknown type. */
return -1;
}
return 0;
}

158
lib/printf-args.h Normal file
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/* Decomposed printf argument list.
Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2018 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _PRINTF_ARGS_H
#define _PRINTF_ARGS_H
/* This file can be parametrized with the following macros:
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
PRINTF_FETCHARGS Name of the function to be declared.
STATIC Set to 'static' to declare the function static. */
/* Default parameters. */
#ifndef PRINTF_FETCHARGS
# define PRINTF_FETCHARGS printf_fetchargs
#endif
/* Get size_t. */
#include <stddef.h>
/* Get wchar_t. */
#if HAVE_WCHAR_T
# include <stddef.h>
#endif
/* Get wint_t. */
#if HAVE_WINT_T
# include <wchar.h>
#endif
/* Get va_list. */
#include <stdarg.h>
/* Argument types */
typedef enum
{
TYPE_NONE,
TYPE_SCHAR,
TYPE_UCHAR,
TYPE_SHORT,
TYPE_USHORT,
TYPE_INT,
TYPE_UINT,
TYPE_LONGINT,
TYPE_ULONGINT,
#if HAVE_LONG_LONG_INT
TYPE_LONGLONGINT,
TYPE_ULONGLONGINT,
#endif
TYPE_DOUBLE,
TYPE_LONGDOUBLE,
TYPE_CHAR,
#if HAVE_WINT_T
TYPE_WIDE_CHAR,
#endif
TYPE_STRING,
#if HAVE_WCHAR_T
TYPE_WIDE_STRING,
#endif
TYPE_POINTER,
TYPE_COUNT_SCHAR_POINTER,
TYPE_COUNT_SHORT_POINTER,
TYPE_COUNT_INT_POINTER,
TYPE_COUNT_LONGINT_POINTER
#if HAVE_LONG_LONG_INT
, TYPE_COUNT_LONGLONGINT_POINTER
#endif
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
, TYPE_U8_STRING
, TYPE_U16_STRING
, TYPE_U32_STRING
#endif
} arg_type;
/* Polymorphic argument */
typedef struct
{
arg_type type;
union
{
signed char a_schar;
unsigned char a_uchar;
short a_short;
unsigned short a_ushort;
int a_int;
unsigned int a_uint;
long int a_longint;
unsigned long int a_ulongint;
#if HAVE_LONG_LONG_INT
long long int a_longlongint;
unsigned long long int a_ulonglongint;
#endif
float a_float;
double a_double;
long double a_longdouble;
int a_char;
#if HAVE_WINT_T
wint_t a_wide_char;
#endif
const char* a_string;
#if HAVE_WCHAR_T
const wchar_t* a_wide_string;
#endif
void* a_pointer;
signed char * a_count_schar_pointer;
short * a_count_short_pointer;
int * a_count_int_pointer;
long int * a_count_longint_pointer;
#if HAVE_LONG_LONG_INT
long long int * a_count_longlongint_pointer;
#endif
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
const uint8_t * a_u8_string;
const uint16_t * a_u16_string;
const uint32_t * a_u32_string;
#endif
}
a;
}
argument;
/* Number of directly allocated arguments (no malloc() needed). */
#define N_DIRECT_ALLOC_ARGUMENTS 7
typedef struct
{
size_t count;
argument *arg;
argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS];
}
arguments;
/* Fetch the arguments, putting them into a. */
#ifdef STATIC
STATIC
#else
extern
#endif
int PRINTF_FETCHARGS (va_list args, arguments *a);
#endif /* _PRINTF_ARGS_H */

190
lib/printf-frexp.c Normal file
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/* Split a double into fraction and mantissa, for hexadecimal printf.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if ! defined USE_LONG_DOUBLE
# include <config.h>
#endif
/* Specification. */
#ifdef USE_LONG_DOUBLE
# include "printf-frexpl.h"
#else
# include "printf-frexp.h"
#endif
#include <float.h>
#include <math.h>
#ifdef USE_LONG_DOUBLE
# include "fpucw.h"
#endif
/* This file assumes FLT_RADIX = 2. If FLT_RADIX is a power of 2 greater
than 2, or not even a power of 2, some rounding errors can occur, so that
then the returned mantissa is only guaranteed to be <= 2.0, not < 2.0. */
#ifdef USE_LONG_DOUBLE
# define FUNC printf_frexpl
# define DOUBLE long double
# define MIN_EXP LDBL_MIN_EXP
# if HAVE_FREXPL_IN_LIBC && HAVE_LDEXPL_IN_LIBC
# define USE_FREXP_LDEXP
# define FREXP frexpl
# define LDEXP ldexpl
# endif
# define DECL_ROUNDING DECL_LONG_DOUBLE_ROUNDING
# define BEGIN_ROUNDING() BEGIN_LONG_DOUBLE_ROUNDING ()
# define END_ROUNDING() END_LONG_DOUBLE_ROUNDING ()
# define L_(literal) literal##L
#else
# define FUNC printf_frexp
# define DOUBLE double
# define MIN_EXP DBL_MIN_EXP
# if HAVE_FREXP_IN_LIBC && HAVE_LDEXP_IN_LIBC
# define USE_FREXP_LDEXP
# define FREXP frexp
# define LDEXP ldexp
# endif
# define DECL_ROUNDING
# define BEGIN_ROUNDING()
# define END_ROUNDING()
# define L_(literal) literal
#endif
DOUBLE
FUNC (DOUBLE x, int *expptr)
{
int exponent;
DECL_ROUNDING
BEGIN_ROUNDING ();
#ifdef USE_FREXP_LDEXP
/* frexp and ldexp are usually faster than the loop below. */
x = FREXP (x, &exponent);
x = x + x;
exponent -= 1;
if (exponent < MIN_EXP - 1)
{
x = LDEXP (x, exponent - (MIN_EXP - 1));
exponent = MIN_EXP - 1;
}
#else
{
/* Since the exponent is an 'int', it fits in 64 bits. Therefore the
loops are executed no more than 64 times. */
DOUBLE pow2[64]; /* pow2[i] = 2^2^i */
DOUBLE powh[64]; /* powh[i] = 2^-2^i */
int i;
exponent = 0;
if (x >= L_(1.0))
{
/* A nonnegative exponent. */
{
DOUBLE pow2_i; /* = pow2[i] */
DOUBLE powh_i; /* = powh[i] */
/* Invariants: pow2_i = 2^2^i, powh_i = 2^-2^i,
x * 2^exponent = argument, x >= 1.0. */
for (i = 0, pow2_i = L_(2.0), powh_i = L_(0.5);
;
i++, pow2_i = pow2_i * pow2_i, powh_i = powh_i * powh_i)
{
if (x >= pow2_i)
{
exponent += (1 << i);
x *= powh_i;
}
else
break;
pow2[i] = pow2_i;
powh[i] = powh_i;
}
}
/* Here 1.0 <= x < 2^2^i. */
}
else
{
/* A negative exponent. */
{
DOUBLE pow2_i; /* = pow2[i] */
DOUBLE powh_i; /* = powh[i] */
/* Invariants: pow2_i = 2^2^i, powh_i = 2^-2^i,
x * 2^exponent = argument, x < 1.0, exponent >= MIN_EXP - 1. */
for (i = 0, pow2_i = L_(2.0), powh_i = L_(0.5);
;
i++, pow2_i = pow2_i * pow2_i, powh_i = powh_i * powh_i)
{
if (exponent - (1 << i) < MIN_EXP - 1)
break;
exponent -= (1 << i);
x *= pow2_i;
if (x >= L_(1.0))
break;
pow2[i] = pow2_i;
powh[i] = powh_i;
}
}
/* Here either x < 1.0 and exponent - 2^i < MIN_EXP - 1 <= exponent,
or 1.0 <= x < 2^2^i and exponent >= MIN_EXP - 1. */
if (x < L_(1.0))
/* Invariants: x * 2^exponent = argument, x < 1.0 and
exponent - 2^i < MIN_EXP - 1 <= exponent. */
while (i > 0)
{
i--;
if (exponent - (1 << i) >= MIN_EXP - 1)
{
exponent -= (1 << i);
x *= pow2[i];
if (x >= L_(1.0))
break;
}
}
/* Here either x < 1.0 and exponent = MIN_EXP - 1,
or 1.0 <= x < 2^2^i and exponent >= MIN_EXP - 1. */
}
/* Invariants: x * 2^exponent = argument, and
either x < 1.0 and exponent = MIN_EXP - 1,
or 1.0 <= x < 2^2^i and exponent >= MIN_EXP - 1. */
while (i > 0)
{
i--;
if (x >= pow2[i])
{
exponent += (1 << i);
x *= powh[i];
}
}
/* Here either x < 1.0 and exponent = MIN_EXP - 1,
or 1.0 <= x < 2.0 and exponent >= MIN_EXP - 1. */
}
#endif
END_ROUNDING ();
*expptr = exponent;
return x;
}

23
lib/printf-frexp.h Normal file
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@ -0,0 +1,23 @@
/* Split a double into fraction and mantissa, for hexadecimal printf.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Write a finite, positive number x as
x = mantissa * 2^exp
where exp >= DBL_MIN_EXP - 1,
mantissa < 2.0,
if x is not a denormalized number then mantissa >= 1.0.
Store exp in *EXPPTR and return mantissa. */
extern double printf_frexp (double x, int *expptr);

37
lib/printf-frexpl.c Normal file
View file

@ -0,0 +1,37 @@
/* Split a 'long double' into fraction and mantissa, for hexadecimal printf.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Specification. */
# include "printf-frexpl.h"
# include "printf-frexp.h"
long double
printf_frexpl (long double x, int *expptr)
{
return printf_frexp (x, expptr);
}
#else
# define USE_LONG_DOUBLE
# include "printf-frexp.c"
#endif

23
lib/printf-frexpl.h Normal file
View file

@ -0,0 +1,23 @@
/* Split a 'long double' into fraction and mantissa, for hexadecimal printf.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Write a finite, positive number x as
x = mantissa * 2^exp
where exp >= LDBL_MIN_EXP - 1,
mantissa < 2.0,
if x is not a denormalized number then mantissa >= 1.0.
Store exp in *EXPPTR and return mantissa. */
extern long double printf_frexpl (long double x, int *expptr);

638
lib/printf-parse.c Normal file
View file

@ -0,0 +1,638 @@
/* Formatted output to strings.
Copyright (C) 1999-2000, 2002-2003, 2006-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
/* This file can be parametrized with the following macros:
CHAR_T The element type of the format string.
CHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
in the format string are ASCII.
DIRECTIVE Structure denoting a format directive.
Depends on CHAR_T.
DIRECTIVES Structure denoting the set of format directives of a
format string. Depends on CHAR_T.
PRINTF_PARSE Function that parses a format string.
Depends on CHAR_T.
STATIC Set to 'static' to declare the function static.
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. */
#ifndef PRINTF_PARSE
# include <config.h>
#endif
/* Specification. */
#ifndef PRINTF_PARSE
# include "printf-parse.h"
#endif
/* Default parameters. */
#ifndef PRINTF_PARSE
# define PRINTF_PARSE printf_parse
# define CHAR_T char
# define DIRECTIVE char_directive
# define DIRECTIVES char_directives
#endif
/* Get size_t, NULL. */
#include <stddef.h>
/* Get intmax_t. */
#if defined IN_LIBINTL || defined IN_LIBASPRINTF
# if HAVE_STDINT_H_WITH_UINTMAX
# include <stdint.h>
# endif
# if HAVE_INTTYPES_H_WITH_UINTMAX
# include <inttypes.h>
# endif
#else
# include <stdint.h>
#endif
/* malloc(), realloc(), free(). */
#include <stdlib.h>
/* memcpy(). */
#include <string.h>
/* errno. */
#include <errno.h>
/* Checked size_t computations. */
#include "xsize.h"
#if CHAR_T_ONLY_ASCII
/* c_isascii(). */
# include "c-ctype.h"
#endif
#ifdef STATIC
STATIC
#endif
int
PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a)
{
const CHAR_T *cp = format; /* pointer into format */
size_t arg_posn = 0; /* number of regular arguments consumed */
size_t d_allocated; /* allocated elements of d->dir */
size_t a_allocated; /* allocated elements of a->arg */
size_t max_width_length = 0;
size_t max_precision_length = 0;
d->count = 0;
d_allocated = N_DIRECT_ALLOC_DIRECTIVES;
d->dir = d->direct_alloc_dir;
a->count = 0;
a_allocated = N_DIRECT_ALLOC_ARGUMENTS;
a->arg = a->direct_alloc_arg;
#define REGISTER_ARG(_index_,_type_) \
{ \
size_t n = (_index_); \
if (n >= a_allocated) \
{ \
size_t memory_size; \
argument *memory; \
\
a_allocated = xtimes (a_allocated, 2); \
if (a_allocated <= n) \
a_allocated = xsum (n, 1); \
memory_size = xtimes (a_allocated, sizeof (argument)); \
if (size_overflow_p (memory_size)) \
/* Overflow, would lead to out of memory. */ \
goto out_of_memory; \
memory = (argument *) (a->arg != a->direct_alloc_arg \
? realloc (a->arg, memory_size) \
: malloc (memory_size)); \
if (memory == NULL) \
/* Out of memory. */ \
goto out_of_memory; \
if (a->arg == a->direct_alloc_arg) \
memcpy (memory, a->arg, a->count * sizeof (argument)); \
a->arg = memory; \
} \
while (a->count <= n) \
a->arg[a->count++].type = TYPE_NONE; \
if (a->arg[n].type == TYPE_NONE) \
a->arg[n].type = (_type_); \
else if (a->arg[n].type != (_type_)) \
/* Ambiguous type for positional argument. */ \
goto error; \
}
while (*cp != '\0')
{
CHAR_T c = *cp++;
if (c == '%')
{
size_t arg_index = ARG_NONE;
DIRECTIVE *dp = &d->dir[d->count]; /* pointer to next directive */
/* Initialize the next directive. */
dp->dir_start = cp - 1;
dp->flags = 0;
dp->width_start = NULL;
dp->width_end = NULL;
dp->width_arg_index = ARG_NONE;
dp->precision_start = NULL;
dp->precision_end = NULL;
dp->precision_arg_index = ARG_NONE;
dp->arg_index = ARG_NONE;
/* Test for positional argument. */
if (*cp >= '0' && *cp <= '9')
{
const CHAR_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory later. */
goto error;
arg_index = n - 1;
cp = np + 1;
}
}
/* Read the flags. */
for (;;)
{
if (*cp == '\'')
{
dp->flags |= FLAG_GROUP;
cp++;
}
else if (*cp == '-')
{
dp->flags |= FLAG_LEFT;
cp++;
}
else if (*cp == '+')
{
dp->flags |= FLAG_SHOWSIGN;
cp++;
}
else if (*cp == ' ')
{
dp->flags |= FLAG_SPACE;
cp++;
}
else if (*cp == '#')
{
dp->flags |= FLAG_ALT;
cp++;
}
else if (*cp == '0')
{
dp->flags |= FLAG_ZERO;
cp++;
}
#if __GLIBC__ >= 2 && !defined __UCLIBC__
else if (*cp == 'I')
{
dp->flags |= FLAG_LOCALIZED;
cp++;
}
#endif
else
break;
}
/* Parse the field width. */
if (*cp == '*')
{
dp->width_start = cp;
cp++;
dp->width_end = cp;
if (max_width_length < 1)
max_width_length = 1;
/* Test for positional argument. */
if (*cp >= '0' && *cp <= '9')
{
const CHAR_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory later. */
goto error;
dp->width_arg_index = n - 1;
cp = np + 1;
}
}
if (dp->width_arg_index == ARG_NONE)
{
dp->width_arg_index = arg_posn++;
if (dp->width_arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->width_arg_index, TYPE_INT);
}
else if (*cp >= '0' && *cp <= '9')
{
size_t width_length;
dp->width_start = cp;
for (; *cp >= '0' && *cp <= '9'; cp++)
;
dp->width_end = cp;
width_length = dp->width_end - dp->width_start;
if (max_width_length < width_length)
max_width_length = width_length;
}
/* Parse the precision. */
if (*cp == '.')
{
cp++;
if (*cp == '*')
{
dp->precision_start = cp - 1;
cp++;
dp->precision_end = cp;
if (max_precision_length < 2)
max_precision_length = 2;
/* Test for positional argument. */
if (*cp >= '0' && *cp <= '9')
{
const CHAR_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory
later. */
goto error;
dp->precision_arg_index = n - 1;
cp = np + 1;
}
}
if (dp->precision_arg_index == ARG_NONE)
{
dp->precision_arg_index = arg_posn++;
if (dp->precision_arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
}
else
{
size_t precision_length;
dp->precision_start = cp - 1;
for (; *cp >= '0' && *cp <= '9'; cp++)
;
dp->precision_end = cp;
precision_length = dp->precision_end - dp->precision_start;
if (max_precision_length < precision_length)
max_precision_length = precision_length;
}
}
{
arg_type type;
/* Parse argument type/size specifiers. */
{
int flags = 0;
for (;;)
{
if (*cp == 'h')
{
flags |= (1 << (flags & 1));
cp++;
}
else if (*cp == 'L')
{
flags |= 4;
cp++;
}
else if (*cp == 'l')
{
flags += 8;
cp++;
}
else if (*cp == 'j')
{
if (sizeof (intmax_t) > sizeof (long))
{
/* intmax_t = long long */
flags += 16;
}
else if (sizeof (intmax_t) > sizeof (int))
{
/* intmax_t = long */
flags += 8;
}
cp++;
}
else if (*cp == 'z' || *cp == 'Z')
{
/* 'z' is standardized in ISO C 99, but glibc uses 'Z'
because the warning facility in gcc-2.95.2 understands
only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
if (sizeof (size_t) > sizeof (long))
{
/* size_t = long long */
flags += 16;
}
else if (sizeof (size_t) > sizeof (int))
{
/* size_t = long */
flags += 8;
}
cp++;
}
else if (*cp == 't')
{
if (sizeof (ptrdiff_t) > sizeof (long))
{
/* ptrdiff_t = long long */
flags += 16;
}
else if (sizeof (ptrdiff_t) > sizeof (int))
{
/* ptrdiff_t = long */
flags += 8;
}
cp++;
}
#if defined __APPLE__ && defined __MACH__
/* On Mac OS X 10.3, PRIdMAX is defined as "qd".
We cannot change it to "lld" because PRIdMAX must also
be understood by the system's printf routines. */
else if (*cp == 'q')
{
if (64 / 8 > sizeof (long))
{
/* int64_t = long long */
flags += 16;
}
else
{
/* int64_t = long */
flags += 8;
}
cp++;
}
#endif
#if defined _WIN32 && ! defined __CYGWIN__
/* On native Windows, PRIdMAX is defined as "I64d".
We cannot change it to "lld" because PRIdMAX must also
be understood by the system's printf routines. */
else if (*cp == 'I' && cp[1] == '6' && cp[2] == '4')
{
if (64 / 8 > sizeof (long))
{
/* __int64 = long long */
flags += 16;
}
else
{
/* __int64 = long */
flags += 8;
}
cp += 3;
}
#endif
else
break;
}
/* Read the conversion character. */
c = *cp++;
switch (c)
{
case 'd': case 'i':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_LONGLONGINT;
else
#endif
/* If 'long long' exists and is the same as 'long', we parse
"lld" into TYPE_LONGINT. */
if (flags >= 8)
type = TYPE_LONGINT;
else if (flags & 2)
type = TYPE_SCHAR;
else if (flags & 1)
type = TYPE_SHORT;
else
type = TYPE_INT;
break;
case 'o': case 'u': case 'x': case 'X':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_ULONGLONGINT;
else
#endif
/* If 'unsigned long long' exists and is the same as
'unsigned long', we parse "llu" into TYPE_ULONGINT. */
if (flags >= 8)
type = TYPE_ULONGINT;
else if (flags & 2)
type = TYPE_UCHAR;
else if (flags & 1)
type = TYPE_USHORT;
else
type = TYPE_UINT;
break;
case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
case 'a': case 'A':
if (flags >= 16 || (flags & 4))
type = TYPE_LONGDOUBLE;
else
type = TYPE_DOUBLE;
break;
case 'c':
if (flags >= 8)
#if HAVE_WINT_T
type = TYPE_WIDE_CHAR;
#else
goto error;
#endif
else
type = TYPE_CHAR;
break;
#if HAVE_WINT_T
case 'C':
type = TYPE_WIDE_CHAR;
c = 'c';
break;
#endif
case 's':
if (flags >= 8)
#if HAVE_WCHAR_T
type = TYPE_WIDE_STRING;
#else
goto error;
#endif
else
type = TYPE_STRING;
break;
#if HAVE_WCHAR_T
case 'S':
type = TYPE_WIDE_STRING;
c = 's';
break;
#endif
case 'p':
type = TYPE_POINTER;
break;
case 'n':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_COUNT_LONGLONGINT_POINTER;
else
#endif
/* If 'long long' exists and is the same as 'long', we parse
"lln" into TYPE_COUNT_LONGINT_POINTER. */
if (flags >= 8)
type = TYPE_COUNT_LONGINT_POINTER;
else if (flags & 2)
type = TYPE_COUNT_SCHAR_POINTER;
else if (flags & 1)
type = TYPE_COUNT_SHORT_POINTER;
else
type = TYPE_COUNT_INT_POINTER;
break;
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
case 'U':
if (flags >= 16)
type = TYPE_U32_STRING;
else if (flags >= 8)
type = TYPE_U16_STRING;
else
type = TYPE_U8_STRING;
break;
#endif
case '%':
type = TYPE_NONE;
break;
default:
/* Unknown conversion character. */
goto error;
}
}
if (type != TYPE_NONE)
{
dp->arg_index = arg_index;
if (dp->arg_index == ARG_NONE)
{
dp->arg_index = arg_posn++;
if (dp->arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->arg_index, type);
}
dp->conversion = c;
dp->dir_end = cp;
}
d->count++;
if (d->count >= d_allocated)
{
size_t memory_size;
DIRECTIVE *memory;
d_allocated = xtimes (d_allocated, 2);
memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
if (size_overflow_p (memory_size))
/* Overflow, would lead to out of memory. */
goto out_of_memory;
memory = (DIRECTIVE *) (d->dir != d->direct_alloc_dir
? realloc (d->dir, memory_size)
: malloc (memory_size));
if (memory == NULL)
/* Out of memory. */
goto out_of_memory;
if (d->dir == d->direct_alloc_dir)
memcpy (memory, d->dir, d->count * sizeof (DIRECTIVE));
d->dir = memory;
}
}
#if CHAR_T_ONLY_ASCII
else if (!c_isascii (c))
{
/* Non-ASCII character. Not supported. */
goto error;
}
#endif
}
d->dir[d->count].dir_start = cp;
d->max_width_length = max_width_length;
d->max_precision_length = max_precision_length;
return 0;
error:
if (a->arg != a->direct_alloc_arg)
free (a->arg);
if (d->dir != d->direct_alloc_dir)
free (d->dir);
errno = EINVAL;
return -1;
out_of_memory:
if (a->arg != a->direct_alloc_arg)
free (a->arg);
if (d->dir != d->direct_alloc_dir)
free (d->dir);
errno = ENOMEM;
return -1;
}
#undef PRINTF_PARSE
#undef DIRECTIVES
#undef DIRECTIVE
#undef CHAR_T_ONLY_ASCII
#undef CHAR_T

193
lib/printf-parse.h Normal file
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@ -0,0 +1,193 @@
/* Parse printf format string.
Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2018 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _PRINTF_PARSE_H
#define _PRINTF_PARSE_H
/* This file can be parametrized with the following macros:
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
STATIC Set to 'static' to declare the function static. */
#if HAVE_FEATURES_H
# include <features.h> /* for __GLIBC__, __UCLIBC__ */
#endif
#include "printf-args.h"
/* Flags */
#define FLAG_GROUP 1 /* ' flag */
#define FLAG_LEFT 2 /* - flag */
#define FLAG_SHOWSIGN 4 /* + flag */
#define FLAG_SPACE 8 /* space flag */
#define FLAG_ALT 16 /* # flag */
#define FLAG_ZERO 32
#if __GLIBC__ >= 2 && !defined __UCLIBC__
# define FLAG_LOCALIZED 64 /* I flag, uses localized digits */
#endif
/* arg_index value indicating that no argument is consumed. */
#define ARG_NONE (~(size_t)0)
/* xxx_directive: A parsed directive.
xxx_directives: A parsed format string. */
/* Number of directly allocated directives (no malloc() needed). */
#define N_DIRECT_ALLOC_DIRECTIVES 7
/* A parsed directive. */
typedef struct
{
const char* dir_start;
const char* dir_end;
int flags;
const char* width_start;
const char* width_end;
size_t width_arg_index;
const char* precision_start;
const char* precision_end;
size_t precision_arg_index;
char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
char_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
char_directive *dir;
size_t max_width_length;
size_t max_precision_length;
char_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
}
char_directives;
#if ENABLE_UNISTDIO
/* A parsed directive. */
typedef struct
{
const uint8_t* dir_start;
const uint8_t* dir_end;
int flags;
const uint8_t* width_start;
const uint8_t* width_end;
size_t width_arg_index;
const uint8_t* precision_start;
const uint8_t* precision_end;
size_t precision_arg_index;
uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u8_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u8_directive *dir;
size_t max_width_length;
size_t max_precision_length;
u8_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
}
u8_directives;
/* A parsed directive. */
typedef struct
{
const uint16_t* dir_start;
const uint16_t* dir_end;
int flags;
const uint16_t* width_start;
const uint16_t* width_end;
size_t width_arg_index;
const uint16_t* precision_start;
const uint16_t* precision_end;
size_t precision_arg_index;
uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u16_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u16_directive *dir;
size_t max_width_length;
size_t max_precision_length;
u16_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
}
u16_directives;
/* A parsed directive. */
typedef struct
{
const uint32_t* dir_start;
const uint32_t* dir_end;
int flags;
const uint32_t* width_start;
const uint32_t* width_end;
size_t width_arg_index;
const uint32_t* precision_start;
const uint32_t* precision_end;
size_t precision_arg_index;
uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u32_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u32_directive *dir;
size_t max_width_length;
size_t max_precision_length;
u32_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
}
u32_directives;
#endif
/* Parses the format string. Fills in the number N of directives, and fills
in directives[0], ..., directives[N-1], and sets directives[N].dir_start
to the end of the format string. Also fills in the arg_type fields of the
arguments and the needed count of arguments. */
#if ENABLE_UNISTDIO
extern int
ulc_printf_parse (const char *format, char_directives *d, arguments *a);
extern int
u8_printf_parse (const uint8_t *format, u8_directives *d, arguments *a);
extern int
u16_printf_parse (const uint16_t *format, u16_directives *d,
arguments *a);
extern int
u32_printf_parse (const uint32_t *format, u32_directives *d,
arguments *a);
#else
# ifdef STATIC
STATIC
# else
extern
# endif
int printf_parse (const char *format, char_directives *d, arguments *a);
#endif
#endif /* _PRINTF_PARSE_H */

64
lib/signbitd.c Normal file
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/* signbit() macro: Determine the sign bit of a floating-point number.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
#include <string.h>
#include "isnand-nolibm.h"
#include "float+.h"
#ifdef gl_signbitd_OPTIMIZED_MACRO
# undef gl_signbitd
#endif
int
gl_signbitd (double arg)
{
#if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT
/* The use of a union to extract the bits of the representation of a
'long double' is safe in practice, despite of the "aliasing rules" of
C99, because the GCC docs say
"Even with '-fstrict-aliasing', type-punning is allowed, provided the
memory is accessed through the union type."
and similarly for other compilers. */
# define NWORDS \
((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
union { double value; unsigned int word[NWORDS]; } m;
m.value = arg;
return (m.word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1;
#elif HAVE_COPYSIGN_IN_LIBC
return copysign (1.0, arg) < 0;
#else
/* This does not do the right thing for NaN, but this is irrelevant for
most use cases. */
if (isnand (arg))
return 0;
if (arg < 0.0)
return 1;
else if (arg == 0.0)
{
/* Distinguish 0.0 and -0.0. */
static double plus_zero = 0.0;
double arg_mem = arg;
return (memcmp (&plus_zero, &arg_mem, SIZEOF_DBL) != 0);
}
else
return 0;
#endif
}

64
lib/signbitf.c Normal file
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@ -0,0 +1,64 @@
/* signbit() macro: Determine the sign bit of a floating-point number.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
#include <string.h>
#include "isnanf-nolibm.h"
#include "float+.h"
#ifdef gl_signbitf_OPTIMIZED_MACRO
# undef gl_signbitf
#endif
int
gl_signbitf (float arg)
{
#if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT
/* The use of a union to extract the bits of the representation of a
'long double' is safe in practice, despite of the "aliasing rules" of
C99, because the GCC docs say
"Even with '-fstrict-aliasing', type-punning is allowed, provided the
memory is accessed through the union type."
and similarly for other compilers. */
# define NWORDS \
((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
union { float value; unsigned int word[NWORDS]; } m;
m.value = arg;
return (m.word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1;
#elif HAVE_COPYSIGNF_IN_LIBC
return copysignf (1.0f, arg) < 0;
#else
/* This does not do the right thing for NaN, but this is irrelevant for
most use cases. */
if (isnanf (arg))
return 0;
if (arg < 0.0f)
return 1;
else if (arg == 0.0f)
{
/* Distinguish 0.0f and -0.0f. */
static float plus_zero = 0.0f;
float arg_mem = arg;
return (memcmp (&plus_zero, &arg_mem, SIZEOF_FLT) != 0);
}
else
return 0;
#endif
}

64
lib/signbitl.c Normal file
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@ -0,0 +1,64 @@
/* signbit() macro: Determine the sign bit of a floating-point number.
Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
#include <string.h>
#include "isnanl-nolibm.h"
#include "float+.h"
#ifdef gl_signbitl_OPTIMIZED_MACRO
# undef gl_signbitl
#endif
int
gl_signbitl (long double arg)
{
#if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT
/* The use of a union to extract the bits of the representation of a
'long double' is safe in practice, despite of the "aliasing rules" of
C99, because the GCC docs say
"Even with '-fstrict-aliasing', type-punning is allowed, provided the
memory is accessed through the union type."
and similarly for other compilers. */
# define NWORDS \
((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
union { long double value; unsigned int word[NWORDS]; } m;
m.value = arg;
return (m.word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1;
#elif HAVE_COPYSIGNL_IN_LIBC
return copysignl (1.0L, arg) < 0;
#else
/* This does not do the right thing for NaN, but this is irrelevant for
most use cases. */
if (isnanl (arg))
return 0;
if (arg < 0.0L)
return 1;
else if (arg == 0.0L)
{
/* Distinguish 0.0L and -0.0L. */
static long double plus_zero = 0.0L;
long double arg_mem = arg;
return (memcmp (&plus_zero, &arg_mem, SIZEOF_LDBL) != 0);
}
else
return 0;
#endif
}

30
lib/size_max.h Normal file
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/* size_max.h -- declare SIZE_MAX through system headers
Copyright (C) 2005-2006, 2009-2018 Free Software Foundation, Inc.
Written by Simon Josefsson.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef GNULIB_SIZE_MAX_H
#define GNULIB_SIZE_MAX_H
/* Get SIZE_MAX declaration on systems like Solaris 7/8/9. */
# include <limits.h>
/* Get SIZE_MAX declaration on systems like glibc 2. */
# if HAVE_STDINT_H
# include <stdint.h>
# endif
/* On systems where these include files don't define it, SIZE_MAX is defined
in config.h. */
#endif /* GNULIB_SIZE_MAX_H */

114
lib/stddef.in.h Normal file
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@ -0,0 +1,114 @@
/* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues.
Copyright (C) 2009-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* Written by Eric Blake. */
/*
* POSIX 2008 <stddef.h> for platforms that have issues.
* <http://www.opengroup.org/susv3xbd/stddef.h.html>
*/
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
#if defined __need_wchar_t || defined __need_size_t \
|| defined __need_ptrdiff_t || defined __need_NULL \
|| defined __need_wint_t
/* Special invocation convention inside gcc header files. In
particular, gcc provides a version of <stddef.h> that blindly
redefines NULL even when __need_wint_t was defined, even though
wint_t is not normally provided by <stddef.h>. Hence, we must
remember if special invocation has ever been used to obtain wint_t,
in which case we need to clean up NULL yet again. */
# if !(defined _@GUARD_PREFIX@_STDDEF_H && defined _GL_STDDEF_WINT_T)
# ifdef __need_wint_t
# define _GL_STDDEF_WINT_T
# endif
# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
# endif
#else
/* Normal invocation convention. */
# ifndef _@GUARD_PREFIX@_STDDEF_H
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
/* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */
# if (@REPLACE_NULL@ \
&& (!defined _@GUARD_PREFIX@_STDDEF_H || defined _GL_STDDEF_WINT_T))
# undef NULL
# ifdef __cplusplus
/* ISO C++ says that the macro NULL must expand to an integer constant
expression, hence '((void *) 0)' is not allowed in C++. */
# if __GNUG__ >= 3
/* GNU C++ has a __null macro that behaves like an integer ('int' or
'long') but has the same size as a pointer. Use that, to avoid
warnings. */
# define NULL __null
# else
# define NULL 0L
# endif
# else
# define NULL ((void *) 0)
# endif
# endif
# ifndef _@GUARD_PREFIX@_STDDEF_H
# define _@GUARD_PREFIX@_STDDEF_H
/* Some platforms lack wchar_t. */
#if !@HAVE_WCHAR_T@
# define wchar_t int
#endif
/* Some platforms lack max_align_t. The check for _GCC_MAX_ALIGN_T is
a hack in case the configure-time test was done with g++ even though
we are currently compiling with gcc. */
#if ! (@HAVE_MAX_ALIGN_T@ || defined _GCC_MAX_ALIGN_T)
# if !GNULIB_defined_max_align_t
/* On the x86, the maximum storage alignment of double, long, etc. is 4,
but GCC's C11 ABI for x86 says that max_align_t has an alignment of 8,
and the C11 standard allows this. Work around this problem by
using __alignof__ (which returns 8 for double) rather than _Alignof
(which returns 4), and align each union member accordingly. */
# ifdef __GNUC__
# define _GL_STDDEF_ALIGNAS(type) \
__attribute__ ((__aligned__ (__alignof__ (type))))
# else
# define _GL_STDDEF_ALIGNAS(type) /* */
# endif
typedef union
{
char *__p _GL_STDDEF_ALIGNAS (char *);
double __d _GL_STDDEF_ALIGNAS (double);
long double __ld _GL_STDDEF_ALIGNAS (long double);
long int __i _GL_STDDEF_ALIGNAS (long int);
} rpl_max_align_t;
# define max_align_t rpl_max_align_t
# define GNULIB_defined_max_align_t 1
# endif
#endif
# endif /* _@GUARD_PREFIX@_STDDEF_H */
# endif /* _@GUARD_PREFIX@_STDDEF_H */
#endif /* __need_XXX */

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@ -0,0 +1,726 @@
/* Copyright (C) 2001-2002, 2004-2018 Free Software Foundation, Inc.
Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
This file is part of gnulib.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/*
* ISO C 99 <stdint.h> for platforms that lack it.
* <http://www.opengroup.org/susv3xbd/stdint.h.html>
*/
#ifndef _@GUARD_PREFIX@_STDINT_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* When including a system file that in turn includes <inttypes.h>,
use the system <inttypes.h>, not our substitute. This avoids
problems with (for example) VMS, whose <sys/bitypes.h> includes
<inttypes.h>. */
#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
/* On Android (Bionic libc), <sys/types.h> includes this file before
having defined 'time_t'. Therefore in this case avoid including
other system header files; just include the system's <stdint.h>.
Ideally we should test __BIONIC__ here, but it is only defined after
<sys/cdefs.h> has been included; hence test __ANDROID__ instead. */
#if defined __ANDROID__ && defined _GL_INCLUDING_SYS_TYPES_H
# @INCLUDE_NEXT@ @NEXT_STDINT_H@
#else
/* Get those types that are already defined in other system include
files, so that we can "#define int8_t signed char" below without
worrying about a later system include file containing a "typedef
signed char int8_t;" that will get messed up by our macro. Our
macros should all be consistent with the system versions, except
for the "fast" types and macros, which we recommend against using
in public interfaces due to compiler differences. */
#if @HAVE_STDINT_H@
# if defined __sgi && ! defined __c99
/* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
with "This header file is to be used only for c99 mode compilations"
diagnostics. */
# define __STDINT_H__
# endif
/* Some pre-C++11 <stdint.h> implementations need this. */
# ifdef __cplusplus
# ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS 1
# endif
# ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS 1
# endif
# endif
/* Other systems may have an incomplete or buggy <stdint.h>.
Include it before <inttypes.h>, since any "#include <stdint.h>"
in <inttypes.h> would reinclude us, skipping our contents because
_@GUARD_PREFIX@_STDINT_H is defined.
The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_STDINT_H@
#endif
#if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
#define _@GUARD_PREFIX@_STDINT_H
/* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
LONG_MIN, LONG_MAX, ULONG_MAX, _GL_INTEGER_WIDTH. */
#include <limits.h>
/* Override WINT_MIN and WINT_MAX if gnulib's <wchar.h> or <wctype.h> overrides
wint_t. */
#if @GNULIB_OVERRIDES_WINT_T@
# undef WINT_MIN
# undef WINT_MAX
# define WINT_MIN 0x0U
# define WINT_MAX 0xffffffffU
#endif
#if ! @HAVE_C99_STDINT_H@
/* <sys/types.h> defines some of the stdint.h types as well, on glibc,
IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
AIX 5.2 <sys/types.h> isn't needed and causes troubles.
Mac OS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
relies on the system <stdint.h> definitions, so include
<sys/types.h> after @NEXT_STDINT_H@. */
# if @HAVE_SYS_TYPES_H@ && ! defined _AIX
# include <sys/types.h>
# endif
# if @HAVE_INTTYPES_H@
/* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
<inttypes.h> also defines intptr_t and uintptr_t. */
# include <inttypes.h>
# elif @HAVE_SYS_INTTYPES_H@
/* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
# include <sys/inttypes.h>
# endif
# if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
/* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
included by <sys/types.h>. */
# include <sys/bitypes.h>
# endif
# undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
/* Minimum and maximum values for an integer type under the usual assumption.
Return an unspecified value if BITS == 0, adding a check to pacify
picky compilers. */
/* These are separate macros, because if you try to merge these macros into
a single one, HP-UX cc rejects the resulting expression in constant
expressions. */
# define _STDINT_UNSIGNED_MIN(bits, zero) \
(zero)
# define _STDINT_SIGNED_MIN(bits, zero) \
(~ _STDINT_MAX (1, bits, zero))
# define _STDINT_MAX(signed, bits, zero) \
(((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
#if !GNULIB_defined_stdint_types
/* 7.18.1.1. Exact-width integer types */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. */
# undef int8_t
# undef uint8_t
typedef signed char gl_int8_t;
typedef unsigned char gl_uint8_t;
# define int8_t gl_int8_t
# define uint8_t gl_uint8_t
# undef int16_t
# undef uint16_t
typedef short int gl_int16_t;
typedef unsigned short int gl_uint16_t;
# define int16_t gl_int16_t
# define uint16_t gl_uint16_t
# undef int32_t
# undef uint32_t
typedef int gl_int32_t;
typedef unsigned int gl_uint32_t;
# define int32_t gl_int32_t
# define uint32_t gl_uint32_t
/* If the system defines INT64_MAX, assume int64_t works. That way,
if the underlying platform defines int64_t to be a 64-bit long long
int, the code below won't mistakenly define it to be a 64-bit long
int, which would mess up C++ name mangling. We must use #ifdef
rather than #if, to avoid an error with HP-UX 10.20 cc. */
# ifdef INT64_MAX
# define GL_INT64_T
# else
/* Do not undefine int64_t if gnulib is not being used with 64-bit
types, since otherwise it breaks platforms like Tandem/NSK. */
# if LONG_MAX >> 31 >> 31 == 1
# undef int64_t
typedef long int gl_int64_t;
# define int64_t gl_int64_t
# define GL_INT64_T
# elif defined _MSC_VER
# undef int64_t
typedef __int64 gl_int64_t;
# define int64_t gl_int64_t
# define GL_INT64_T
# elif @HAVE_LONG_LONG_INT@
# undef int64_t
typedef long long int gl_int64_t;
# define int64_t gl_int64_t
# define GL_INT64_T
# endif
# endif
# ifdef UINT64_MAX
# define GL_UINT64_T
# else
# if ULONG_MAX >> 31 >> 31 >> 1 == 1
# undef uint64_t
typedef unsigned long int gl_uint64_t;
# define uint64_t gl_uint64_t
# define GL_UINT64_T
# elif defined _MSC_VER
# undef uint64_t
typedef unsigned __int64 gl_uint64_t;
# define uint64_t gl_uint64_t
# define GL_UINT64_T
# elif @HAVE_UNSIGNED_LONG_LONG_INT@
# undef uint64_t
typedef unsigned long long int gl_uint64_t;
# define uint64_t gl_uint64_t
# define GL_UINT64_T
# endif
# endif
/* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
# define _UINT8_T
# define _UINT32_T
# define _UINT64_T
/* 7.18.1.2. Minimum-width integer types */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
are the same as the corresponding N_t types. */
# undef int_least8_t
# undef uint_least8_t
# undef int_least16_t
# undef uint_least16_t
# undef int_least32_t
# undef uint_least32_t
# undef int_least64_t
# undef uint_least64_t
# define int_least8_t int8_t
# define uint_least8_t uint8_t
# define int_least16_t int16_t
# define uint_least16_t uint16_t
# define int_least32_t int32_t
# define uint_least32_t uint32_t
# ifdef GL_INT64_T
# define int_least64_t int64_t
# endif
# ifdef GL_UINT64_T
# define uint_least64_t uint64_t
# endif
/* 7.18.1.3. Fastest minimum-width integer types */
/* Note: Other <stdint.h> substitutes may define these types differently.
It is not recommended to use these types in public header files. */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
are taken from the same list of types. The following code normally
uses types consistent with glibc, as that lessens the chance of
incompatibility with older GNU hosts. */
# undef int_fast8_t
# undef uint_fast8_t
# undef int_fast16_t
# undef uint_fast16_t
# undef int_fast32_t
# undef uint_fast32_t
# undef int_fast64_t
# undef uint_fast64_t
typedef signed char gl_int_fast8_t;
typedef unsigned char gl_uint_fast8_t;
# ifdef __sun
/* Define types compatible with SunOS 5.10, so that code compiled under
earlier SunOS versions works with code compiled under SunOS 5.10. */
typedef int gl_int_fast32_t;
typedef unsigned int gl_uint_fast32_t;
# else
typedef long int gl_int_fast32_t;
typedef unsigned long int gl_uint_fast32_t;
# endif
typedef gl_int_fast32_t gl_int_fast16_t;
typedef gl_uint_fast32_t gl_uint_fast16_t;
# define int_fast8_t gl_int_fast8_t
# define uint_fast8_t gl_uint_fast8_t
# define int_fast16_t gl_int_fast16_t
# define uint_fast16_t gl_uint_fast16_t
# define int_fast32_t gl_int_fast32_t
# define uint_fast32_t gl_uint_fast32_t
# ifdef GL_INT64_T
# define int_fast64_t int64_t
# endif
# ifdef GL_UINT64_T
# define uint_fast64_t uint64_t
# endif
/* 7.18.1.4. Integer types capable of holding object pointers */
/* kLIBC's stdint.h defines _INTPTR_T_DECLARED and needs its own
definitions of intptr_t and uintptr_t (which use int and unsigned)
to avoid clashes with declarations of system functions like sbrk. */
# ifndef _INTPTR_T_DECLARED
# undef intptr_t
# undef uintptr_t
typedef long int gl_intptr_t;
typedef unsigned long int gl_uintptr_t;
# define intptr_t gl_intptr_t
# define uintptr_t gl_uintptr_t
# endif
/* 7.18.1.5. Greatest-width integer types */
/* Note: These types are compiler dependent. It may be unwise to use them in
public header files. */
/* If the system defines INTMAX_MAX, assume that intmax_t works, and
similarly for UINTMAX_MAX and uintmax_t. This avoids problems with
assuming one type where another is used by the system. */
# ifndef INTMAX_MAX
# undef INTMAX_C
# undef intmax_t
# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
typedef long long int gl_intmax_t;
# define intmax_t gl_intmax_t
# elif defined GL_INT64_T
# define intmax_t int64_t
# else
typedef long int gl_intmax_t;
# define intmax_t gl_intmax_t
# endif
# endif
# ifndef UINTMAX_MAX
# undef UINTMAX_C
# undef uintmax_t
# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
typedef unsigned long long int gl_uintmax_t;
# define uintmax_t gl_uintmax_t
# elif defined GL_UINT64_T
# define uintmax_t uint64_t
# else
typedef unsigned long int gl_uintmax_t;
# define uintmax_t gl_uintmax_t
# endif
# endif
/* Verify that intmax_t and uintmax_t have the same size. Too much code
breaks if this is not the case. If this check fails, the reason is likely
to be found in the autoconf macros. */
typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
? 1 : -1];
# define GNULIB_defined_stdint_types 1
# endif /* !GNULIB_defined_stdint_types */
/* 7.18.2. Limits of specified-width integer types */
/* 7.18.2.1. Limits of exact-width integer types */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. */
# undef INT8_MIN
# undef INT8_MAX
# undef UINT8_MAX
# define INT8_MIN (~ INT8_MAX)
# define INT8_MAX 127
# define UINT8_MAX 255
# undef INT16_MIN
# undef INT16_MAX
# undef UINT16_MAX
# define INT16_MIN (~ INT16_MAX)
# define INT16_MAX 32767
# define UINT16_MAX 65535
# undef INT32_MIN
# undef INT32_MAX
# undef UINT32_MAX
# define INT32_MIN (~ INT32_MAX)
# define INT32_MAX 2147483647
# define UINT32_MAX 4294967295U
# if defined GL_INT64_T && ! defined INT64_MAX
/* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
evaluates the latter incorrectly in preprocessor expressions. */
# define INT64_MIN (- INTMAX_C (1) << 63)
# define INT64_MAX INTMAX_C (9223372036854775807)
# endif
# if defined GL_UINT64_T && ! defined UINT64_MAX
# define UINT64_MAX UINTMAX_C (18446744073709551615)
# endif
/* 7.18.2.2. Limits of minimum-width integer types */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
are the same as the corresponding N_t types. */
# undef INT_LEAST8_MIN
# undef INT_LEAST8_MAX
# undef UINT_LEAST8_MAX
# define INT_LEAST8_MIN INT8_MIN
# define INT_LEAST8_MAX INT8_MAX
# define UINT_LEAST8_MAX UINT8_MAX
# undef INT_LEAST16_MIN
# undef INT_LEAST16_MAX
# undef UINT_LEAST16_MAX
# define INT_LEAST16_MIN INT16_MIN
# define INT_LEAST16_MAX INT16_MAX
# define UINT_LEAST16_MAX UINT16_MAX
# undef INT_LEAST32_MIN
# undef INT_LEAST32_MAX
# undef UINT_LEAST32_MAX
# define INT_LEAST32_MIN INT32_MIN
# define INT_LEAST32_MAX INT32_MAX
# define UINT_LEAST32_MAX UINT32_MAX
# undef INT_LEAST64_MIN
# undef INT_LEAST64_MAX
# ifdef GL_INT64_T
# define INT_LEAST64_MIN INT64_MIN
# define INT_LEAST64_MAX INT64_MAX
# endif
# undef UINT_LEAST64_MAX
# ifdef GL_UINT64_T
# define UINT_LEAST64_MAX UINT64_MAX
# endif
/* 7.18.2.3. Limits of fastest minimum-width integer types */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
are taken from the same list of types. */
# undef INT_FAST8_MIN
# undef INT_FAST8_MAX
# undef UINT_FAST8_MAX
# define INT_FAST8_MIN SCHAR_MIN
# define INT_FAST8_MAX SCHAR_MAX
# define UINT_FAST8_MAX UCHAR_MAX
# undef INT_FAST16_MIN
# undef INT_FAST16_MAX
# undef UINT_FAST16_MAX
# define INT_FAST16_MIN INT_FAST32_MIN
# define INT_FAST16_MAX INT_FAST32_MAX
# define UINT_FAST16_MAX UINT_FAST32_MAX
# undef INT_FAST32_MIN
# undef INT_FAST32_MAX
# undef UINT_FAST32_MAX
# ifdef __sun
# define INT_FAST32_MIN INT_MIN
# define INT_FAST32_MAX INT_MAX
# define UINT_FAST32_MAX UINT_MAX
# else
# define INT_FAST32_MIN LONG_MIN
# define INT_FAST32_MAX LONG_MAX
# define UINT_FAST32_MAX ULONG_MAX
# endif
# undef INT_FAST64_MIN
# undef INT_FAST64_MAX
# ifdef GL_INT64_T
# define INT_FAST64_MIN INT64_MIN
# define INT_FAST64_MAX INT64_MAX
# endif
# undef UINT_FAST64_MAX
# ifdef GL_UINT64_T
# define UINT_FAST64_MAX UINT64_MAX
# endif
/* 7.18.2.4. Limits of integer types capable of holding object pointers */
# undef INTPTR_MIN
# undef INTPTR_MAX
# undef UINTPTR_MAX
# define INTPTR_MIN LONG_MIN
# define INTPTR_MAX LONG_MAX
# define UINTPTR_MAX ULONG_MAX
/* 7.18.2.5. Limits of greatest-width integer types */
# ifndef INTMAX_MAX
# undef INTMAX_MIN
# ifdef INT64_MAX
# define INTMAX_MIN INT64_MIN
# define INTMAX_MAX INT64_MAX
# else
# define INTMAX_MIN INT32_MIN
# define INTMAX_MAX INT32_MAX
# endif
# endif
# ifndef UINTMAX_MAX
# ifdef UINT64_MAX
# define UINTMAX_MAX UINT64_MAX
# else
# define UINTMAX_MAX UINT32_MAX
# endif
# endif
/* 7.18.3. Limits of other integer types */
/* ptrdiff_t limits */
# undef PTRDIFF_MIN
# undef PTRDIFF_MAX
# if @APPLE_UNIVERSAL_BUILD@
# ifdef _LP64
# define PTRDIFF_MIN _STDINT_SIGNED_MIN (64, 0l)
# define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
# else
# define PTRDIFF_MIN _STDINT_SIGNED_MIN (32, 0)
# define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
# endif
# else
# define PTRDIFF_MIN \
_STDINT_SIGNED_MIN (@BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
# define PTRDIFF_MAX \
_STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
# endif
/* sig_atomic_t limits */
# undef SIG_ATOMIC_MIN
# undef SIG_ATOMIC_MAX
# if @HAVE_SIGNED_SIG_ATOMIC_T@
# define SIG_ATOMIC_MIN \
_STDINT_SIGNED_MIN (@BITSIZEOF_SIG_ATOMIC_T@, 0@SIG_ATOMIC_T_SUFFIX@)
# else
# define SIG_ATOMIC_MIN \
_STDINT_UNSIGNED_MIN (@BITSIZEOF_SIG_ATOMIC_T@, 0@SIG_ATOMIC_T_SUFFIX@)
# endif
# define SIG_ATOMIC_MAX \
_STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
0@SIG_ATOMIC_T_SUFFIX@)
/* size_t limit */
# undef SIZE_MAX
# if @APPLE_UNIVERSAL_BUILD@
# ifdef _LP64
# define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
# else
# define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
# endif
# else
# define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
# endif
/* wchar_t limits */
/* Get WCHAR_MIN, WCHAR_MAX.
This include is not on the top, above, because on OSF/1 4.0 we have a
sequence of nested includes
<wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
<stdint.h> and assumes its types are already defined. */
# if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
/* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
included before <wchar.h>. */
# include <stddef.h>
# include <stdio.h>
# include <time.h>
# define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
# include <wchar.h>
# undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
# endif
# undef WCHAR_MIN
# undef WCHAR_MAX
# if @HAVE_SIGNED_WCHAR_T@
# define WCHAR_MIN \
_STDINT_SIGNED_MIN (@BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
# else
# define WCHAR_MIN \
_STDINT_UNSIGNED_MIN (@BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
# endif
# define WCHAR_MAX \
_STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
/* wint_t limits */
# undef WINT_MIN
# undef WINT_MAX
# if @HAVE_SIGNED_WINT_T@
# define WINT_MIN \
_STDINT_SIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
# else
# define WINT_MIN \
_STDINT_UNSIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
# endif
# define WINT_MAX \
_STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
/* 7.18.4. Macros for integer constants */
/* 7.18.4.1. Macros for minimum-width integer constants */
/* According to ISO C 99 Technical Corrigendum 1 */
/* Here we assume a standard architecture where the hardware integer
types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
# undef INT8_C
# undef UINT8_C
# define INT8_C(x) x
# define UINT8_C(x) x
# undef INT16_C
# undef UINT16_C
# define INT16_C(x) x
# define UINT16_C(x) x
# undef INT32_C
# undef UINT32_C
# define INT32_C(x) x
# define UINT32_C(x) x ## U
# undef INT64_C
# undef UINT64_C
# if LONG_MAX >> 31 >> 31 == 1
# define INT64_C(x) x##L
# elif defined _MSC_VER
# define INT64_C(x) x##i64
# elif @HAVE_LONG_LONG_INT@
# define INT64_C(x) x##LL
# endif
# if ULONG_MAX >> 31 >> 31 >> 1 == 1
# define UINT64_C(x) x##UL
# elif defined _MSC_VER
# define UINT64_C(x) x##ui64
# elif @HAVE_UNSIGNED_LONG_LONG_INT@
# define UINT64_C(x) x##ULL
# endif
/* 7.18.4.2. Macros for greatest-width integer constants */
# ifndef INTMAX_C
# if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
# define INTMAX_C(x) x##LL
# elif defined GL_INT64_T
# define INTMAX_C(x) INT64_C(x)
# else
# define INTMAX_C(x) x##L
# endif
# endif
# ifndef UINTMAX_C
# if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
# define UINTMAX_C(x) x##ULL
# elif defined GL_UINT64_T
# define UINTMAX_C(x) UINT64_C(x)
# else
# define UINTMAX_C(x) x##UL
# endif
# endif
#endif /* !@HAVE_C99_STDINT_H@ */
/* Macros specified by ISO/IEC TS 18661-1:2014. */
#if (!defined UINTMAX_WIDTH \
&& (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__))
# ifdef INT8_MAX
# define INT8_WIDTH _GL_INTEGER_WIDTH (INT8_MIN, INT8_MAX)
# endif
# ifdef UINT8_MAX
# define UINT8_WIDTH _GL_INTEGER_WIDTH (0, UINT8_MAX)
# endif
# ifdef INT16_MAX
# define INT16_WIDTH _GL_INTEGER_WIDTH (INT16_MIN, INT16_MAX)
# endif
# ifdef UINT16_MAX
# define UINT16_WIDTH _GL_INTEGER_WIDTH (0, UINT16_MAX)
# endif
# ifdef INT32_MAX
# define INT32_WIDTH _GL_INTEGER_WIDTH (INT32_MIN, INT32_MAX)
# endif
# ifdef UINT32_MAX
# define UINT32_WIDTH _GL_INTEGER_WIDTH (0, UINT32_MAX)
# endif
# ifdef INT64_MAX
# define INT64_WIDTH _GL_INTEGER_WIDTH (INT64_MIN, INT64_MAX)
# endif
# ifdef UINT64_MAX
# define UINT64_WIDTH _GL_INTEGER_WIDTH (0, UINT64_MAX)
# endif
# define INT_LEAST8_WIDTH _GL_INTEGER_WIDTH (INT_LEAST8_MIN, INT_LEAST8_MAX)
# define UINT_LEAST8_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST8_MAX)
# define INT_LEAST16_WIDTH _GL_INTEGER_WIDTH (INT_LEAST16_MIN, INT_LEAST16_MAX)
# define UINT_LEAST16_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST16_MAX)
# define INT_LEAST32_WIDTH _GL_INTEGER_WIDTH (INT_LEAST32_MIN, INT_LEAST32_MAX)
# define UINT_LEAST32_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST32_MAX)
# define INT_LEAST64_WIDTH _GL_INTEGER_WIDTH (INT_LEAST64_MIN, INT_LEAST64_MAX)
# define UINT_LEAST64_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST64_MAX)
# define INT_FAST8_WIDTH _GL_INTEGER_WIDTH (INT_FAST8_MIN, INT_FAST8_MAX)
# define UINT_FAST8_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST8_MAX)
# define INT_FAST16_WIDTH _GL_INTEGER_WIDTH (INT_FAST16_MIN, INT_FAST16_MAX)
# define UINT_FAST16_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST16_MAX)
# define INT_FAST32_WIDTH _GL_INTEGER_WIDTH (INT_FAST32_MIN, INT_FAST32_MAX)
# define UINT_FAST32_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST32_MAX)
# define INT_FAST64_WIDTH _GL_INTEGER_WIDTH (INT_FAST64_MIN, INT_FAST64_MAX)
# define UINT_FAST64_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST64_MAX)
# define INTPTR_WIDTH _GL_INTEGER_WIDTH (INTPTR_MIN, INTPTR_MAX)
# define UINTPTR_WIDTH _GL_INTEGER_WIDTH (0, UINTPTR_MAX)
# define INTMAX_WIDTH _GL_INTEGER_WIDTH (INTMAX_MIN, INTMAX_MAX)
# define UINTMAX_WIDTH _GL_INTEGER_WIDTH (0, UINTMAX_MAX)
# define PTRDIFF_WIDTH _GL_INTEGER_WIDTH (PTRDIFF_MIN, PTRDIFF_MAX)
# define SIZE_WIDTH _GL_INTEGER_WIDTH (0, SIZE_MAX)
# define WCHAR_WIDTH _GL_INTEGER_WIDTH (WCHAR_MIN, WCHAR_MAX)
# ifdef WINT_MAX
# define WINT_WIDTH _GL_INTEGER_WIDTH (WINT_MIN, WINT_MAX)
# endif
# ifdef SIG_ATOMIC_MAX
# define SIG_ATOMIC_WIDTH _GL_INTEGER_WIDTH (SIG_ATOMIC_MIN, SIG_ATOMIC_MAX)
# endif
#endif /* !WINT_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */
#endif /* _@GUARD_PREFIX@_STDINT_H */
#endif /* !(defined __ANDROID__ && ...) */
#endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */

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/* Implementation details of FILE streams.
Copyright (C) 2007-2008, 2010-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Many stdio implementations have the same logic and therefore can share
the same implementation of stdio extension API, except that some fields
have different naming conventions, or their access requires some casts. */
/* Glibc 2.28 made _IO_IN_BACKUP private. For now, work around this
problem by defining it ourselves. FIXME: Do not rely on glibc
internals. */
#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN
# define _IO_IN_BACKUP 0x100
#endif
/* BSD stdio derived implementations. */
#if defined __NetBSD__ /* NetBSD */
/* Get __NetBSD_Version__. */
# include <sys/param.h>
#endif
#include <errno.h> /* For detecting Plan9. */
#if defined __sferror || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
# if defined __DragonFly__ /* DragonFly */
/* See <https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/lib/libc/stdio/priv_stdio.h>. */
# define fp_ ((struct { struct __FILE_public pub; \
struct { unsigned char *_base; int _size; } _bf; \
void *cookie; \
void *_close; \
void *_read; \
void *_seek; \
void *_write; \
struct { unsigned char *_base; int _size; } _ub; \
int _ur; \
unsigned char _ubuf[3]; \
unsigned char _nbuf[1]; \
struct { unsigned char *_base; int _size; } _lb; \
int _blksize; \
fpos_t _offset; \
/* More fields, not relevant here. */ \
} *) fp)
/* See <https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/include/stdio.h>. */
# define _p pub._p
# define _flags pub._flags
# define _r pub._r
# define _w pub._w
# elif defined __ANDROID__ /* Android */
/* Up to this commit from 2015-10-12
<https://android.googlesource.com/platform/bionic.git/+/f0141dfab10a4b332769d52fa76631a64741297a>
the innards of FILE were public, and fp_ub could be defined like for OpenBSD,
see <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/fileext.h>
and <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/local.h>.
After this commit, the innards of FILE are hidden. */
# define fp_ ((struct { unsigned char *_p; \
int _r; \
int _w; \
int _flags; \
int _file; \
struct { unsigned char *_base; size_t _size; } _bf; \
int _lbfsize; \
void *_cookie; \
void *_close; \
void *_read; \
void *_seek; \
void *_write; \
struct { unsigned char *_base; size_t _size; } _ext; \
unsigned char *_up; \
int _ur; \
unsigned char _ubuf[3]; \
unsigned char _nbuf[1]; \
struct { unsigned char *_base; size_t _size; } _lb; \
int _blksize; \
fpos_t _offset; \
/* More fields, not relevant here. */ \
} *) fp)
# else
# define fp_ fp
# endif
# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ || defined __minix /* NetBSD >= 1.5ZA, OpenBSD, Minix 3 */
/* See <http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
and <https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
and <https://github.com/Stichting-MINIX-Research-Foundation/minix/blob/master/lib/libc/stdio/fileext.h> */
struct __sfileext
{
struct __sbuf _ub; /* ungetc buffer */
/* More fields, not relevant here. */
};
# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
# elif defined __ANDROID__ /* Android */
struct __sfileext
{
struct { unsigned char *_base; size_t _size; } _ub; /* ungetc buffer */
/* More fields, not relevant here. */
};
# define fp_ub ((struct __sfileext *) fp_->_ext._base)->_ub
# else /* FreeBSD, NetBSD <= 1.5Z, DragonFly, Mac OS X, Cygwin */
# define fp_ub fp_->_ub
# endif
# define HASUB(fp) (fp_ub._base != NULL)
# if defined __ANDROID__ /* Android */
/* Needed after this commit from 2016-01-25
<https://android.googlesource.com/platform/bionic.git/+/e70e0e9267d069bf56a5078c99307e08a7280de7> */
# ifndef __SEOF
# define __SLBF 1
# define __SNBF 2
# define __SRD 4
# define __SWR 8
# define __SRW 0x10
# define __SEOF 0x20
# define __SERR 0x40
# endif
# ifndef __SOFF
# define __SOFF 0x1000
# endif
# endif
#endif
/* SystemV derived implementations. */
#ifdef __TANDEM /* NonStop Kernel */
# ifndef _IOERR
/* These values were determined by the program 'stdioext-flags' at
<https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOERR 0x40
# define _IOREAD 0x80
# define _IOWRT 0x4
# define _IORW 0x100
# endif
#endif
#if defined _IOERR
# if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
# define fp_ ((struct { unsigned char *_ptr; \
unsigned char *_base; \
unsigned char *_end; \
long _cnt; \
int _file; \
unsigned int _flag; \
} *) fp)
# elif defined __VMS /* OpenVMS */
# define fp_ ((struct _iobuf *) fp)
# else
# define fp_ fp
# endif
# if defined _SCO_DS /* OpenServer */
# define _cnt __cnt
# define _ptr __ptr
# define _base __base
# define _flag __flag
# endif
#elif defined _WIN32 && ! defined __CYGWIN__ /* newer Windows with MSVC */
/* <stdio.h> does not define the innards of FILE any more. */
# define WINDOWS_OPAQUE_FILE
struct _gl_real_FILE
{
/* Note: Compared to older Windows and to mingw, it has the fields
_base and _cnt swapped. */
unsigned char *_ptr;
unsigned char *_base;
int _cnt;
int _flag;
int _file;
int _charbuf;
int _bufsiz;
};
# define fp_ ((struct _gl_real_FILE *) fp)
/* These values were determined by a program similar to the one at
<https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOREAD 0x1
# define _IOWRT 0x2
# define _IORW 0x4
# define _IOEOF 0x8
# define _IOERR 0x10
#endif

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/* Substitute for <sys/resource.h>.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
# if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
# endif
@PRAGMA_COLUMNS@
#ifndef _@GUARD_PREFIX@_SYS_RESOURCE_H
#if @HAVE_SYS_RESOURCE_H@
/* On FreeBSD 5.0, <sys/resource.h> assumes prior inclusion of <sys/types.h>
and <sys/time.h>. */
# include <sys/types.h>
# include <sys/time.h>
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_RESOURCE_H@
#endif
#ifndef _@GUARD_PREFIX@_SYS_RESOURCE_H
#define _@GUARD_PREFIX@_SYS_RESOURCE_H
#if !@HAVE_SYS_RESOURCE_H@
/* A platform that lacks <sys/resource.h>. */
/* Get 'struct timeval'. */
# include <sys/time.h>
/* Define the RUSAGE_* constants. */
# define RUSAGE_SELF 0
# define RUSAGE_CHILDREN -1
# ifdef __cplusplus
extern "C" {
# endif
# if !GNULIB_defined_struct_rusage
/* All known platforms that lack <sys/resource.h> also lack any declaration
of struct rusage in any other header. */
struct rusage
{
struct timeval ru_utime; /* CPU time used in user mode */
struct timeval ru_stime; /* CPU time used in system mode (kernel) */
long ru_maxrss;
long ru_ixrss;
long ru_idrss;
long ru_isrss;
long ru_minflt;
long ru_majflt;
long ru_nswap;
long ru_inblock;
long ru_oublock;
long ru_msgsnd;
long ru_msgrcv;
long ru_nsignals;
long ru_nvcsw;
long ru_nivcsw;
};
# define GNULIB_defined_struct_rusage 1
# endif
# ifdef __cplusplus
}
# endif
#else
# ifdef __VMS /* OpenVMS */
/* Define the RUSAGE_* constants. */
# ifndef RUSAGE_SELF
# define RUSAGE_SELF 0
# endif
# ifndef RUSAGE_CHILDREN
# define RUSAGE_CHILDREN -1
# endif
# endif
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
/* The definition of _GL_WARN_ON_USE is copied here. */
/* Declare overridden functions. */
#if @GNULIB_GETRUSAGE@
# if !@HAVE_GETRUSAGE@
_GL_FUNCDECL_SYS (getrusage, int, (int who, struct rusage *usage_p)
_GL_ARG_NONNULL ((2)));
# endif
_GL_CXXALIAS_SYS (getrusage, int, (int who, struct rusage *usage_p));
_GL_CXXALIASWARN (getrusage);
#elif defined GNULIB_POSIXCHECK
# undef getrusage
# if HAVE_RAW_DECL_GETRUSAGE
_GL_WARN_ON_USE (getrusage, "getrusage is unportable - "
"use gnulib module getrusage for portability");
# endif
#endif
#endif /* _@GUARD_PREFIX@_SYS_RESOURCE_H */
#endif /* _@GUARD_PREFIX@_SYS_RESOURCE_H */

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/* Provide a more complete sys/time.h.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#ifndef _@GUARD_PREFIX@_SYS_TIME_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* On Cygwin and on many BSDish systems, <sys/time.h> includes itself
recursively via <sys/select.h>.
Simply delegate to the system's header in this case; it is a no-op.
Without this extra ifdef, the C++ gettimeofday declaration below
would be a forward declaration in gnulib's nested <sys/time.h>. */
#if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
#else
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_SYS_TIME_H@
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
#endif
#ifndef _@GUARD_PREFIX@_SYS_TIME_H
#define _@GUARD_PREFIX@_SYS_TIME_H
#if ! @HAVE_SYS_TIME_H@
# include <time.h>
#endif
/* On native Windows with MSVC, get the 'struct timeval' type.
Also, on native Windows with a 64-bit time_t, where we are overriding the
'struct timeval' type, get all declarations of system functions whose
signature contains 'struct timeval'. */
#if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
# define _GL_INCLUDING_WINSOCK2_H
# include <winsock2.h>
# undef _GL_INCLUDING_WINSOCK2_H
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
/* The definition of _GL_WARN_ON_USE is copied here. */
#ifdef __cplusplus
extern "C" {
#endif
#if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
# if @REPLACE_STRUCT_TIMEVAL@
# define timeval rpl_timeval
# endif
# if !GNULIB_defined_struct_timeval
struct timeval
{
time_t tv_sec;
long int tv_usec;
};
# define GNULIB_defined_struct_timeval 1
# endif
#endif
#ifdef __cplusplus
}
#endif
#if @GNULIB_GETTIMEOFDAY@
# if @REPLACE_GETTIMEOFDAY@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gettimeofday
# define gettimeofday rpl_gettimeofday
# endif
_GL_FUNCDECL_RPL (gettimeofday, int,
(struct timeval *restrict, void *restrict)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (gettimeofday, int,
(struct timeval *restrict, void *restrict));
# else
# if !@HAVE_GETTIMEOFDAY@
_GL_FUNCDECL_SYS (gettimeofday, int,
(struct timeval *restrict, void *restrict)
_GL_ARG_NONNULL ((1)));
# endif
/* Need to cast, because on glibc systems, by default, the second argument is
struct timezone *. */
_GL_CXXALIAS_SYS_CAST (gettimeofday, int,
(struct timeval *restrict, void *restrict));
# endif
_GL_CXXALIASWARN (gettimeofday);
# if defined __cplusplus && defined GNULIB_NAMESPACE
namespace GNULIB_NAMESPACE {
typedef ::timeval
#undef timeval
timeval;
}
# endif
#elif defined GNULIB_POSIXCHECK
# undef gettimeofday
# if HAVE_RAW_DECL_GETTIMEOFDAY
_GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
"use gnulib module gettimeofday for portability");
# endif
#endif
/* Hide some function declarations from <winsock2.h>. */
#if defined _MSC_VER && @HAVE_WINSOCK2_H@
# if !defined _@GUARD_PREFIX@_UNISTD_H
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
# else
_GL_WARN_ON_USE (close,
"close() used without including <unistd.h>");
# endif
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gethostname
# define gethostname gethostname_used_without_including_unistd_h
# else
_GL_WARN_ON_USE (gethostname,
"gethostname() used without including <unistd.h>");
# endif
# endif
# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef socket
# define socket socket_used_without_including_sys_socket_h
# undef connect
# define connect connect_used_without_including_sys_socket_h
# undef accept
# define accept accept_used_without_including_sys_socket_h
# undef bind
# define bind bind_used_without_including_sys_socket_h
# undef getpeername
# define getpeername getpeername_used_without_including_sys_socket_h
# undef getsockname
# define getsockname getsockname_used_without_including_sys_socket_h
# undef getsockopt
# define getsockopt getsockopt_used_without_including_sys_socket_h
# undef listen
# define listen listen_used_without_including_sys_socket_h
# undef recv
# define recv recv_used_without_including_sys_socket_h
# undef send
# define send send_used_without_including_sys_socket_h
# undef recvfrom
# define recvfrom recvfrom_used_without_including_sys_socket_h
# undef sendto
# define sendto sendto_used_without_including_sys_socket_h
# undef setsockopt
# define setsockopt setsockopt_used_without_including_sys_socket_h
# undef shutdown
# define shutdown shutdown_used_without_including_sys_socket_h
# else
_GL_WARN_ON_USE (socket,
"socket() used without including <sys/socket.h>");
_GL_WARN_ON_USE (connect,
"connect() used without including <sys/socket.h>");
_GL_WARN_ON_USE (accept,
"accept() used without including <sys/socket.h>");
_GL_WARN_ON_USE (bind,
"bind() used without including <sys/socket.h>");
_GL_WARN_ON_USE (getpeername,
"getpeername() used without including <sys/socket.h>");
_GL_WARN_ON_USE (getsockname,
"getsockname() used without including <sys/socket.h>");
_GL_WARN_ON_USE (getsockopt,
"getsockopt() used without including <sys/socket.h>");
_GL_WARN_ON_USE (listen,
"listen() used without including <sys/socket.h>");
_GL_WARN_ON_USE (recv,
"recv() used without including <sys/socket.h>");
_GL_WARN_ON_USE (send,
"send() used without including <sys/socket.h>");
_GL_WARN_ON_USE (recvfrom,
"recvfrom() used without including <sys/socket.h>");
_GL_WARN_ON_USE (sendto,
"sendto() used without including <sys/socket.h>");
_GL_WARN_ON_USE (setsockopt,
"setsockopt() used without including <sys/socket.h>");
_GL_WARN_ON_USE (shutdown,
"shutdown() used without including <sys/socket.h>");
# endif
# endif
# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef select
# define select select_used_without_including_sys_select_h
# else
_GL_WARN_ON_USE (select,
"select() used without including <sys/select.h>");
# endif
# endif
#endif
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
#endif /* _CYGWIN_SYS_TIME_H */
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */

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/* Provide a more complete sys/types.h.
Copyright (C) 2011-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
#if defined _WIN32 && !defined __CYGWIN__ \
&& (defined __need_off_t || defined __need___off64_t \
|| defined __need_ssize_t || defined __need_time_t)
/* Special invocation convention inside mingw header files. */
#@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@
#else
/* Normal invocation convention. */
#ifndef _@GUARD_PREFIX@_SYS_TYPES_H
/* The include_next requires a split double-inclusion guard. */
# define _GL_INCLUDING_SYS_TYPES_H
#@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@
# undef _GL_INCLUDING_SYS_TYPES_H
#ifndef _@GUARD_PREFIX@_SYS_TYPES_H
#define _@GUARD_PREFIX@_SYS_TYPES_H
/* Override off_t if Large File Support is requested on native Windows. */
#if @WINDOWS_64_BIT_OFF_T@
/* Same as int64_t in <stdint.h>. */
# if defined _MSC_VER
# define off_t __int64
# else
# define off_t long long int
# endif
/* Indicator, for gnulib internal purposes. */
# define _GL_WINDOWS_64_BIT_OFF_T 1
#endif
/* Override dev_t and ino_t if distinguishable inodes support is requested
on native Windows. */
#if @WINDOWS_STAT_INODES@
# if @WINDOWS_STAT_INODES@ == 2
/* Experimental, not useful in Windows 10. */
/* Define dev_t to a 64-bit type. */
# if !defined GNULIB_defined_dev_t
typedef unsigned long long int rpl_dev_t;
# undef dev_t
# define dev_t rpl_dev_t
# define GNULIB_defined_dev_t 1
# endif
/* Define ino_t to a 128-bit type. */
# if !defined GNULIB_defined_ino_t
/* MSVC does not have a 128-bit integer type.
GCC has a 128-bit integer type __int128, but only on 64-bit targets. */
typedef struct { unsigned long long int _gl_ino[2]; } rpl_ino_t;
# undef ino_t
# define ino_t rpl_ino_t
# define GNULIB_defined_ino_t 1
# endif
# else /* @WINDOWS_STAT_INODES@ == 1 */
/* Define ino_t to a 64-bit type. */
# if !defined GNULIB_defined_ino_t
typedef unsigned long long int rpl_ino_t;
# undef ino_t
# define ino_t rpl_ino_t
# define GNULIB_defined_ino_t 1
# endif
# endif
/* Indicator, for gnulib internal purposes. */
# define _GL_WINDOWS_STAT_INODES @WINDOWS_STAT_INODES@
#endif
/* MSVC 9 defines size_t in <stddef.h>, not in <sys/types.h>. */
/* But avoid namespace pollution on glibc systems. */
#if (defined _WIN32 && ! defined __CYGWIN__) && ! defined __GLIBC__
# include <stddef.h>
#endif
#endif /* _@GUARD_PREFIX@_SYS_TYPES_H */
#endif /* _@GUARD_PREFIX@_SYS_TYPES_H */
#endif /* __need_XXX */

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/* vsprintf with automatic memory allocation.
Copyright (C) 2002-2004, 2007-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _VASNPRINTF_H
#define _VASNPRINTF_H
/* Get va_list. */
#include <stdarg.h>
/* Get size_t. */
#include <stddef.h>
/* The __attribute__ feature is available in gcc versions 2.5 and later.
The __-protected variants of the attributes 'format' and 'printf' are
accepted by gcc versions 2.6.4 (effectively 2.7) and later.
We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
gnulib and libintl do '#define printf __printf__' when they override
the 'printf' function. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
#else
# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Write formatted output to a string dynamically allocated with malloc().
You can pass a preallocated buffer for the result in RESULTBUF and its
size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
If successful, return the address of the string (this may be = RESULTBUF
if no dynamic memory allocation was necessary) and set *LENGTHP to the
number of resulting bytes, excluding the trailing NUL. Upon error, set
errno and return NULL.
When dynamic memory allocation occurs, the preallocated buffer is left
alone (with possibly modified contents). This makes it possible to use
a statically allocated or stack-allocated buffer, like this:
char buf[100];
size_t len = sizeof (buf);
char *output = vasnprintf (buf, &len, format, args);
if (output == NULL)
... error handling ...;
else
{
... use the output string ...;
if (output != buf)
free (output);
}
*/
#if REPLACE_VASNPRINTF
# define asnprintf rpl_asnprintf
# define vasnprintf rpl_vasnprintf
#endif
extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
_GL_ATTRIBUTE_FORMAT ((__printf__, 3, 4));
extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
_GL_ATTRIBUTE_FORMAT ((__printf__, 3, 0));
#ifdef __cplusplus
}
#endif
#endif /* _VASNPRINTF_H */

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/* Compile-time assert-like macros.
Copyright (C) 2005-2006, 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert, Bruno Haible, and Jim Meyering. */
#ifndef _GL_VERIFY_H
#define _GL_VERIFY_H
/* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert works as per C11.
This is supported by GCC 4.6.0 and later, in C mode, and its use
here generates easier-to-read diagnostics when verify (R) fails.
Define _GL_HAVE_STATIC_ASSERT to 1 if static_assert works as per C++11.
This will likely be supported by future GCC versions, in C++ mode.
Use this only with GCC. If we were willing to slow 'configure'
down we could also use it with other compilers, but since this
affects only the quality of diagnostics, why bother? */
#if (4 < __GNUC__ + (6 <= __GNUC_MINOR__) \
&& (201112L <= __STDC_VERSION__ || !defined __STRICT_ANSI__) \
&& !defined __cplusplus)
# define _GL_HAVE__STATIC_ASSERT 1
#endif
/* The condition (99 < __GNUC__) is temporary, until we know about the
first G++ release that supports static_assert. */
#if (99 < __GNUC__) && defined __cplusplus
# define _GL_HAVE_STATIC_ASSERT 1
#endif
/* FreeBSD 9.1 <sys/cdefs.h>, included by <stddef.h> and lots of other
system headers, defines a conflicting _Static_assert that is no
better than ours; override it. */
#ifndef _GL_HAVE_STATIC_ASSERT
# include <stddef.h>
# undef _Static_assert
#endif
/* Each of these macros verifies that its argument R is nonzero. To
be portable, R should be an integer constant expression. Unlike
assert (R), there is no run-time overhead.
If _Static_assert works, verify (R) uses it directly. Similarly,
_GL_VERIFY_TRUE works by packaging a _Static_assert inside a struct
that is an operand of sizeof.
The code below uses several ideas for C++ compilers, and for C
compilers that do not support _Static_assert:
* The first step is ((R) ? 1 : -1). Given an expression R, of
integral or boolean or floating-point type, this yields an
expression of integral type, whose value is later verified to be
constant and nonnegative.
* Next this expression W is wrapped in a type
struct _gl_verify_type {
unsigned int _gl_verify_error_if_negative: W;
}.
If W is negative, this yields a compile-time error. No compiler can
deal with a bit-field of negative size.
One might think that an array size check would have the same
effect, that is, that the type struct { unsigned int dummy[W]; }
would work as well. However, inside a function, some compilers
(such as C++ compilers and GNU C) allow local parameters and
variables inside array size expressions. With these compilers,
an array size check would not properly diagnose this misuse of
the verify macro:
void function (int n) { verify (n < 0); }
* For the verify macro, the struct _gl_verify_type will need to
somehow be embedded into a declaration. To be portable, this
declaration must declare an object, a constant, a function, or a
typedef name. If the declared entity uses the type directly,
such as in
struct dummy {...};
typedef struct {...} dummy;
extern struct {...} *dummy;
extern void dummy (struct {...} *);
extern struct {...} *dummy (void);
two uses of the verify macro would yield colliding declarations
if the entity names are not disambiguated. A workaround is to
attach the current line number to the entity name:
#define _GL_CONCAT0(x, y) x##y
#define _GL_CONCAT(x, y) _GL_CONCAT0 (x, y)
extern struct {...} * _GL_CONCAT (dummy, __LINE__);
But this has the problem that two invocations of verify from
within the same macro would collide, since the __LINE__ value
would be the same for both invocations. (The GCC __COUNTER__
macro solves this problem, but is not portable.)
A solution is to use the sizeof operator. It yields a number,
getting rid of the identity of the type. Declarations like
extern int dummy [sizeof (struct {...})];
extern void dummy (int [sizeof (struct {...})]);
extern int (*dummy (void)) [sizeof (struct {...})];
can be repeated.
* Should the implementation use a named struct or an unnamed struct?
Which of the following alternatives can be used?
extern int dummy [sizeof (struct {...})];
extern int dummy [sizeof (struct _gl_verify_type {...})];
extern void dummy (int [sizeof (struct {...})]);
extern void dummy (int [sizeof (struct _gl_verify_type {...})]);
extern int (*dummy (void)) [sizeof (struct {...})];
extern int (*dummy (void)) [sizeof (struct _gl_verify_type {...})];
In the second and sixth case, the struct type is exported to the
outer scope; two such declarations therefore collide. GCC warns
about the first, third, and fourth cases. So the only remaining
possibility is the fifth case:
extern int (*dummy (void)) [sizeof (struct {...})];
* GCC warns about duplicate declarations of the dummy function if
-Wredundant-decls is used. GCC 4.3 and later have a builtin
__COUNTER__ macro that can let us generate unique identifiers for
each dummy function, to suppress this warning.
* This implementation exploits the fact that older versions of GCC,
which do not support _Static_assert, also do not warn about the
last declaration mentioned above.
* GCC warns if -Wnested-externs is enabled and verify() is used
within a function body; but inside a function, you can always
arrange to use verify_expr() instead.
* In C++, any struct definition inside sizeof is invalid.
Use a template type to work around the problem. */
/* Concatenate two preprocessor tokens. */
#define _GL_CONCAT(x, y) _GL_CONCAT0 (x, y)
#define _GL_CONCAT0(x, y) x##y
/* _GL_COUNTER is an integer, preferably one that changes each time we
use it. Use __COUNTER__ if it works, falling back on __LINE__
otherwise. __LINE__ isn't perfect, but it's better than a
constant. */
#if defined __COUNTER__ && __COUNTER__ != __COUNTER__
# define _GL_COUNTER __COUNTER__
#else
# define _GL_COUNTER __LINE__
#endif
/* Generate a symbol with the given prefix, making it unique if
possible. */
#define _GL_GENSYM(prefix) _GL_CONCAT (prefix, _GL_COUNTER)
/* Verify requirement R at compile-time, as an integer constant expression
that returns 1. If R is false, fail at compile-time, preferably
with a diagnostic that includes the string-literal DIAGNOSTIC. */
#define _GL_VERIFY_TRUE(R, DIAGNOSTIC) \
(!!sizeof (_GL_VERIFY_TYPE (R, DIAGNOSTIC)))
#ifdef __cplusplus
# if !GNULIB_defined_struct__gl_verify_type
template <int w>
struct _gl_verify_type {
unsigned int _gl_verify_error_if_negative: w;
};
# define GNULIB_defined_struct__gl_verify_type 1
# endif
# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
_gl_verify_type<(R) ? 1 : -1>
#elif defined _GL_HAVE__STATIC_ASSERT
# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
struct { \
_Static_assert (R, DIAGNOSTIC); \
int _gl_dummy; \
}
#else
# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
struct { unsigned int _gl_verify_error_if_negative: (R) ? 1 : -1; }
#endif
/* Verify requirement R at compile-time, as a declaration without a
trailing ';'. If R is false, fail at compile-time, preferably
with a diagnostic that includes the string-literal DIAGNOSTIC.
Unfortunately, unlike C11, this implementation must appear as an
ordinary declaration, and cannot appear inside struct { ... }. */
#ifdef _GL_HAVE__STATIC_ASSERT
# define _GL_VERIFY _Static_assert
#else
# define _GL_VERIFY(R, DIAGNOSTIC) \
extern int (*_GL_GENSYM (_gl_verify_function) (void)) \
[_GL_VERIFY_TRUE (R, DIAGNOSTIC)]
#endif
/* _GL_STATIC_ASSERT_H is defined if this code is copied into assert.h. */
#ifdef _GL_STATIC_ASSERT_H
# if !defined _GL_HAVE__STATIC_ASSERT && !defined _Static_assert
# define _Static_assert(R, DIAGNOSTIC) _GL_VERIFY (R, DIAGNOSTIC)
# endif
# if !defined _GL_HAVE_STATIC_ASSERT && !defined static_assert
# define static_assert _Static_assert /* C11 requires this #define. */
# endif
#endif
/* @assert.h omit start@ */
/* Each of these macros verifies that its argument R is nonzero. To
be portable, R should be an integer constant expression. Unlike
assert (R), there is no run-time overhead.
There are two macros, since no single macro can be used in all
contexts in C. verify_true (R) is for scalar contexts, including
integer constant expression contexts. verify (R) is for declaration
contexts, e.g., the top level. */
/* Verify requirement R at compile-time, as an integer constant expression.
Return 1. This is equivalent to verify_expr (R, 1).
verify_true is obsolescent; please use verify_expr instead. */
#define verify_true(R) _GL_VERIFY_TRUE (R, "verify_true (" #R ")")
/* Verify requirement R at compile-time. Return the value of the
expression E. */
#define verify_expr(R, E) \
(_GL_VERIFY_TRUE (R, "verify_expr (" #R ", " #E ")") ? (E) : (E))
/* Verify requirement R at compile-time, as a declaration without a
trailing ';'. */
#ifdef __GNUC__
# define verify(R) _GL_VERIFY (R, "verify (" #R ")")
#else
/* PGI barfs if R is long. Play it safe. */
# define verify(R) _GL_VERIFY (R, "verify (...)")
#endif
#ifndef __has_builtin
# define __has_builtin(x) 0
#endif
/* Assume that R always holds. This lets the compiler optimize
accordingly. R should not have side-effects; it may or may not be
evaluated. Behavior is undefined if R is false. */
#if (__has_builtin (__builtin_unreachable) \
|| 4 < __GNUC__ + (5 <= __GNUC_MINOR__))
# define assume(R) ((R) ? (void) 0 : __builtin_unreachable ())
#elif 1200 <= _MSC_VER
# define assume(R) __assume (R)
#elif ((defined GCC_LINT || defined lint) \
&& (__has_builtin (__builtin_trap) \
|| 3 < __GNUC__ + (3 < __GNUC_MINOR__ + (4 <= __GNUC_PATCHLEVEL__))))
/* Doing it this way helps various packages when configured with
--enable-gcc-warnings, which compiles with -Dlint. It's nicer
when 'assume' silences warnings even with older GCCs. */
# define assume(R) ((R) ? (void) 0 : __builtin_trap ())
#else
# define assume(R) ((void) (0 && (R)))
#endif
/* @assert.h omit end@ */
#endif

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/* A C macro for emitting warnings if a function is used.
Copyright (C) 2010-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* _GL_WARN_ON_USE (function, "literal string") issues a declaration
for FUNCTION which will then trigger a compiler warning containing
the text of "literal string" anywhere that function is called, if
supported by the compiler. If the compiler does not support this
feature, the macro expands to an unused extern declaration.
This macro is useful for marking a function as a potential
portability trap, with the intent that "literal string" include
instructions on the replacement function that should be used
instead. However, one of the reasons that a function is a
portability trap is if it has the wrong signature. Declaring
FUNCTION with a different signature in C is a compilation error, so
this macro must use the same type as any existing declaration so
that programs that avoid the problematic FUNCTION do not fail to
compile merely because they included a header that poisoned the
function. But this implies that _GL_WARN_ON_USE is only safe to
use if FUNCTION is known to already have a declaration. Use of
this macro implies that there must not be any other macro hiding
the declaration of FUNCTION; but undefining FUNCTION first is part
of the poisoning process anyway (although for symbols that are
provided only via a macro, the result is a compilation error rather
than a warning containing "literal string"). Also note that in
C++, it is only safe to use if FUNCTION has no overloads.
For an example, it is possible to poison 'getline' by:
- adding a call to gl_WARN_ON_USE_PREPARE([[#include <stdio.h>]],
[getline]) in configure.ac, which potentially defines
HAVE_RAW_DECL_GETLINE
- adding this code to a header that wraps the system <stdio.h>:
#undef getline
#if HAVE_RAW_DECL_GETLINE
_GL_WARN_ON_USE (getline, "getline is required by POSIX 2008, but"
"not universally present; use the gnulib module getline");
#endif
It is not possible to directly poison global variables. But it is
possible to write a wrapper accessor function, and poison that
(less common usage, like &environ, will cause a compilation error
rather than issue the nice warning, but the end result of informing
the developer about their portability problem is still achieved):
#if HAVE_RAW_DECL_ENVIRON
static char ***rpl_environ (void) { return &environ; }
_GL_WARN_ON_USE (rpl_environ, "environ is not always properly declared");
# undef environ
# define environ (*rpl_environ ())
#endif
*/
#ifndef _GL_WARN_ON_USE
# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
/* A compiler attribute is available in gcc versions 4.3.0 and later. */
# define _GL_WARN_ON_USE(function, message) \
extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
/* Verify the existence of the function. */
# define _GL_WARN_ON_USE(function, message) \
extern __typeof__ (function) function
# else /* Unsupported. */
# define _GL_WARN_ON_USE(function, message) \
_GL_WARN_EXTERN_C int _gl_warn_on_use
# endif
#endif
/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
is like _GL_WARN_ON_USE (function, "string"), except that the function is
declared with the given prototype, consisting of return type, parameters,
and attributes.
This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
not work in this case. */
#ifndef _GL_WARN_ON_USE_CXX
# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
extern rettype function parameters_and_attributes \
__attribute__ ((__warning__ (msg)))
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
/* Verify the existence of the function. */
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
extern rettype function parameters_and_attributes
# else /* Unsupported. */
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
_GL_WARN_EXTERN_C int _gl_warn_on_use
# endif
#endif
/* _GL_WARN_EXTERN_C declaration;
performs the declaration with C linkage. */
#ifndef _GL_WARN_EXTERN_C
# if defined __cplusplus
# define _GL_WARN_EXTERN_C extern "C"
# else
# define _GL_WARN_EXTERN_C extern
# endif
#endif

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#include <config.h>
#define XSIZE_INLINE _GL_EXTERN_INLINE
#include "xsize.h"

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/* xsize.h -- Checked size_t computations.
Copyright (C) 2003, 2008-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
#ifndef _XSIZE_H
#define _XSIZE_H
/* Get size_t. */
#include <stddef.h>
/* Get SIZE_MAX. */
#include <limits.h>
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
#endif
_GL_INLINE_HEADER_BEGIN
#ifndef XSIZE_INLINE
# define XSIZE_INLINE _GL_INLINE
#endif
/* The size of memory objects is often computed through expressions of
type size_t. Example:
void* p = malloc (header_size + n * element_size).
These computations can lead to overflow. When this happens, malloc()
returns a piece of memory that is way too small, and the program then
crashes while attempting to fill the memory.
To avoid this, the functions and macros in this file check for overflow.
The convention is that SIZE_MAX represents overflow.
malloc (SIZE_MAX) is not guaranteed to fail -- think of a malloc
implementation that uses mmap --, it's recommended to use size_overflow_p()
or size_in_bounds_p() before invoking malloc().
The example thus becomes:
size_t size = xsum (header_size, xtimes (n, element_size));
void *p = (size_in_bounds_p (size) ? malloc (size) : NULL);
*/
/* Convert an arbitrary value >= 0 to type size_t. */
#define xcast_size_t(N) \
((N) <= SIZE_MAX ? (size_t) (N) : SIZE_MAX)
/* Sum of two sizes, with overflow check. */
XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
xsum (size_t size1, size_t size2)
{
size_t sum = size1 + size2;
return (sum >= size1 ? sum : SIZE_MAX);
}
/* Sum of three sizes, with overflow check. */
XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
xsum3 (size_t size1, size_t size2, size_t size3)
{
return xsum (xsum (size1, size2), size3);
}
/* Sum of four sizes, with overflow check. */
XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
{
return xsum (xsum (xsum (size1, size2), size3), size4);
}
/* Maximum of two sizes, with overflow check. */
XSIZE_INLINE size_t
#if __GNUC__ >= 3
__attribute__ ((__pure__))
#endif
xmax (size_t size1, size_t size2)
{
/* No explicit check is needed here, because for any n:
max (SIZE_MAX, n) == SIZE_MAX and max (n, SIZE_MAX) == SIZE_MAX. */
return (size1 >= size2 ? size1 : size2);
}
/* Multiplication of a count with an element size, with overflow check.
The count must be >= 0 and the element size must be > 0.
This is a macro, not a function, so that it works correctly even
when N is of a wider type and N > SIZE_MAX. */
#define xtimes(N, ELSIZE) \
((N) <= SIZE_MAX / (ELSIZE) ? (size_t) (N) * (ELSIZE) : SIZE_MAX)
/* Check for overflow. */
#define size_overflow_p(SIZE) \
((SIZE) == SIZE_MAX)
/* Check against overflow. */
#define size_in_bounds_p(SIZE) \
((SIZE) != SIZE_MAX)
_GL_INLINE_HEADER_END
#endif /* _XSIZE_H */

8
ltl2ba.h
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@ -140,12 +140,12 @@ enum {
AND, /* 258 */ AND, /* 258 */
EQUIV, /* 259 */ EQUIV, /* 259 */
EVENTUALLY, /* 260 */ EVENTUALLY, /* 260 */
FALSE, /* 261 */ FALSE, /* 261 */
IMPLIES, /* 262 */ IMPLIES, /* 262 */
NOT, /* 263 */ NOT, /* 263 */
OR, /* 264 */ OR, /* 264 */
PREDICATE, /* 265 */ PREDICATE, /* 265 */
TRUE, /* 266 */ TRUE, /* 266 */
U_OPER, /* 267 */ U_OPER, /* 267 */
V_OPER /* 268 */ V_OPER /* 268 */
#ifdef NXT #ifdef NXT
@ -251,7 +251,9 @@ typedef Node *Nodeptr;
#define Assert(x, y) { if (!(x)) { tl_explain(y); \ #define Assert(x, y) { if (!(x)) { tl_explain(y); \
Fatal(": assertion failed\n",(char *)0); } } Fatal(": assertion failed\n",(char *)0); } }
#define min(x,y) ((x<y)?x:y) #ifndef min
# define min(x,y) ((x<y)?x:y)
#endif
/* from main.c */ /* from main.c */
extern FILE *tl_out; extern FILE *tl_out;

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# 00gnulib.m4 serial 3
dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file must be named something that sorts before all other
dnl gnulib-provided .m4 files. It is needed until such time as we can
dnl assume Autoconf 2.64, with its improved AC_DEFUN_ONCE and
dnl m4_divert semantics.
# Until autoconf 2.63, handling of the diversion stack required m4_init
# to be called first; but this does not happen with aclocal. Wrapping
# the entire execution in another layer of the diversion stack fixes this.
# Worse, prior to autoconf 2.62, m4_wrap depended on the underlying m4
# for whether it was FIFO or LIFO; in order to properly balance with
# m4_init, we need to undo our push just before anything wrapped within
# the m4_init body. The way to ensure this is to wrap both sides of
# m4_init with a one-shot macro that does the pop at the right time.
m4_ifndef([_m4_divert_diversion],
[m4_divert_push([KILL])
m4_define([gl_divert_fixup], [m4_divert_pop()m4_define([$0])])
m4_define([m4_init],
[gl_divert_fixup()]m4_defn([m4_init])[gl_divert_fixup()])])
# AC_DEFUN_ONCE([NAME], VALUE)
# ----------------------------
# Define NAME to expand to VALUE on the first use (whether by direct
# expansion, or by AC_REQUIRE), and to nothing on all subsequent uses.
# Avoid bugs in AC_REQUIRE in Autoconf 2.63 and earlier. This
# definition is slower than the version in Autoconf 2.64, because it
# can only use interfaces that existed since 2.59; but it achieves the
# same effect. Quoting is necessary to avoid confusing Automake.
m4_version_prereq([2.63.263], [],
[m4_define([AC][_DEFUN_ONCE],
[AC][_DEFUN([$1],
[AC_REQUIRE([_gl_DEFUN_ONCE([$1])],
[m4_indir([_gl_DEFUN_ONCE([$1])])])])]dnl
[AC][_DEFUN([_gl_DEFUN_ONCE([$1])], [$2])])])
# gl_00GNULIB
# -----------
# Witness macro that this file has been included. Needed to force
# Automake to include this file prior to all other gnulib .m4 files.
AC_DEFUN([gl_00GNULIB])

102
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@ -0,0 +1,102 @@
# absolute-header.m4 serial 16
dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Derek Price.
# gl_ABSOLUTE_HEADER(HEADER1 HEADER2 ...)
# ---------------------------------------
# Find the absolute name of a header file, testing first if the header exists.
# If the header were sys/inttypes.h, this macro would define
# ABSOLUTE_SYS_INTTYPES_H to the '""' quoted absolute name of sys/inttypes.h
# in config.h
# (e.g. '#define ABSOLUTE_SYS_INTTYPES_H "///usr/include/sys/inttypes.h"').
# The three "///" are to pacify Sun C 5.8, which otherwise would say
# "warning: #include of /usr/include/... may be non-portable".
# Use '""', not '<>', so that the /// cannot be confused with a C99 comment.
# Note: This macro assumes that the header file is not empty after
# preprocessing, i.e. it does not only define preprocessor macros but also
# provides some type/enum definitions or function/variable declarations.
AC_DEFUN([gl_ABSOLUTE_HEADER],
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_LANG_PREPROC_REQUIRE()dnl
dnl FIXME: gl_absolute_header and ac_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
[AS_VAR_PUSHDEF([gl_absolute_header],
[gl_cv_absolute_]m4_defn([gl_HEADER_NAME]))dnl
AC_CACHE_CHECK([absolute name of <]m4_defn([gl_HEADER_NAME])[>],
m4_defn([gl_absolute_header]),
[AS_VAR_PUSHDEF([ac_header_exists],
[ac_cv_header_]m4_defn([gl_HEADER_NAME]))dnl
AC_CHECK_HEADERS_ONCE(m4_defn([gl_HEADER_NAME]))dnl
if test AS_VAR_GET(ac_header_exists) = yes; then
gl_ABSOLUTE_HEADER_ONE(m4_defn([gl_HEADER_NAME]))
fi
AS_VAR_POPDEF([ac_header_exists])dnl
])dnl
AC_DEFINE_UNQUOTED(AS_TR_CPP([ABSOLUTE_]m4_defn([gl_HEADER_NAME])),
["AS_VAR_GET(gl_absolute_header)"],
[Define this to an absolute name of <]m4_defn([gl_HEADER_NAME])[>.])
AS_VAR_POPDEF([gl_absolute_header])dnl
])dnl
])# gl_ABSOLUTE_HEADER
# gl_ABSOLUTE_HEADER_ONE(HEADER)
# ------------------------------
# Like gl_ABSOLUTE_HEADER, except that:
# - it assumes that the header exists,
# - it uses the current CPPFLAGS,
# - it does not cache the result,
# - it is silent.
AC_DEFUN([gl_ABSOLUTE_HEADER_ONE],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[#include <]]m4_dquote([$1])[[>]])])
dnl AIX "xlc -E" and "cc -E" omit #line directives for header files
dnl that contain only a #include of other header files and no
dnl non-comment tokens of their own. This leads to a failure to
dnl detect the absolute name of <dirent.h>, <signal.h>, <poll.h>
dnl and others. The workaround is to force preservation of comments
dnl through option -C. This ensures all necessary #line directives
dnl are present. GCC supports option -C as well.
case "$host_os" in
aix*) gl_absname_cpp="$ac_cpp -C" ;;
*) gl_absname_cpp="$ac_cpp" ;;
esac
changequote(,)
case "$host_os" in
mingw*)
dnl For the sake of native Windows compilers (excluding gcc),
dnl treat backslash as a directory separator, like /.
dnl Actually, these compilers use a double-backslash as
dnl directory separator, inside the
dnl # line "filename"
dnl directives.
gl_dirsep_regex='[/\\]'
;;
*)
gl_dirsep_regex='\/'
;;
esac
dnl A sed expression that turns a string into a basic regular
dnl expression, for use within "/.../".
gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
gl_header_literal_regex=`echo '$1' \
| sed -e "$gl_make_literal_regex_sed"`
gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
s|^/[^/]|//&|
p
q
}'
changequote([,])
dnl eval is necessary to expand gl_absname_cpp.
dnl Ultrix and Pyramid sh refuse to redirect output of eval,
dnl so use subshell.
AS_VAR_SET([gl_cv_absolute_]AS_TR_SH([[$1]]),
[`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
sed -n "$gl_absolute_header_sed"`])
])

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# alloca.m4 serial 14
dnl Copyright (C) 2002-2004, 2006-2007, 2009-2018 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_ALLOCA],
[
AC_REQUIRE([AC_FUNC_ALLOCA])
if test $ac_cv_func_alloca_works = no; then
gl_PREREQ_ALLOCA
fi
# Define an additional variable used in the Makefile substitution.
if test $ac_cv_working_alloca_h = yes; then
AC_CACHE_CHECK([for alloca as a compiler built-in], [gl_cv_rpl_alloca], [
AC_EGREP_CPP([Need own alloca], [
#if defined __GNUC__ || defined _AIX || defined _MSC_VER
Need own alloca
#endif
], [gl_cv_rpl_alloca=yes], [gl_cv_rpl_alloca=no])
])
if test $gl_cv_rpl_alloca = yes; then
dnl OK, alloca can be implemented through a compiler built-in.
AC_DEFINE([HAVE_ALLOCA], [1],
[Define to 1 if you have 'alloca' after including <alloca.h>,
a header that may be supplied by this distribution.])
ALLOCA_H=alloca.h
else
dnl alloca exists as a library function, i.e. it is slow and probably
dnl a memory leak. Don't define HAVE_ALLOCA in this case.
ALLOCA_H=
fi
else
ALLOCA_H=alloca.h
fi
AC_SUBST([ALLOCA_H])
AM_CONDITIONAL([GL_GENERATE_ALLOCA_H], [test -n "$ALLOCA_H"])
])
# Prerequisites of lib/alloca.c.
# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
AC_DEFUN([gl_PREREQ_ALLOCA], [:])
# This works around a bug in autoconf <= 2.68.
# See <https://lists.gnu.org/r/bug-gnulib/2011-06/msg00277.html>.
m4_version_prereq([2.69], [] ,[
# This is taken from the following Autoconf patch:
# https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=6cd9f12520b0d6f76d3230d7565feba1ecf29497
# _AC_LIBOBJ_ALLOCA
# -----------------
# Set up the LIBOBJ replacement of 'alloca'. Well, not exactly
# AC_LIBOBJ since we actually set the output variable 'ALLOCA'.
# Nevertheless, for Automake, AC_LIBSOURCES it.
m4_define([_AC_LIBOBJ_ALLOCA],
[# The SVR3 libPW and SVR4 libucb both contain incompatible functions
# that cause trouble. Some versions do not even contain alloca or
# contain a buggy version. If you still want to use their alloca,
# use ar to extract alloca.o from them instead of compiling alloca.c.
AC_LIBSOURCES(alloca.c)
AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.$ac_objext])dnl
AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using 'alloca.c'.])
AC_CACHE_CHECK(whether 'alloca.c' needs Cray hooks, ac_cv_os_cray,
[AC_EGREP_CPP(webecray,
[#if defined CRAY && ! defined CRAY2
webecray
#else
wenotbecray
#endif
], ac_cv_os_cray=yes, ac_cv_os_cray=no)])
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
AC_CHECK_FUNC($ac_func,
[AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
[Define to one of '_getb67', 'GETB67',
'getb67' for Cray-2 and Cray-YMP
systems. This function is required for
'alloca.c' support on those systems.])
break])
done
fi
AC_CACHE_CHECK([stack direction for C alloca],
[ac_cv_c_stack_direction],
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[AC_INCLUDES_DEFAULT
int
find_stack_direction (int *addr, int depth)
{
int dir, dummy = 0;
if (! addr)
addr = &dummy;
*addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
dir = depth ? find_stack_direction (addr, depth - 1) : 0;
return dir + dummy;
}
int
main (int argc, char **argv)
{
return find_stack_direction (0, argc + !argv + 20) < 0;
}])],
[ac_cv_c_stack_direction=1],
[ac_cv_c_stack_direction=-1],
[ac_cv_c_stack_direction=0])])
AH_VERBATIM([STACK_DIRECTION],
[/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at runtime.
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
@%:@undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])# _AC_LIBOBJ_ALLOCA
])

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# errno_h.m4 serial 12
dnl Copyright (C) 2004, 2006, 2008-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN_ONCE([gl_HEADER_ERRNO_H],
[
AC_REQUIRE([AC_PROG_CC])
AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [
AC_EGREP_CPP([booboo],[
#include <errno.h>
#if !defined ETXTBSY
booboo
#endif
#if !defined ENOMSG
booboo
#endif
#if !defined EIDRM
booboo
#endif
#if !defined ENOLINK
booboo
#endif
#if !defined EPROTO
booboo
#endif
#if !defined EMULTIHOP
booboo
#endif
#if !defined EBADMSG
booboo
#endif
#if !defined EOVERFLOW
booboo
#endif
#if !defined ENOTSUP
booboo
#endif
#if !defined ENETRESET
booboo
#endif
#if !defined ECONNABORTED
booboo
#endif
#if !defined ESTALE
booboo
#endif
#if !defined EDQUOT
booboo
#endif
#if !defined ECANCELED
booboo
#endif
#if !defined EOWNERDEAD
booboo
#endif
#if !defined ENOTRECOVERABLE
booboo
#endif
#if !defined EILSEQ
booboo
#endif
],
[gl_cv_header_errno_h_complete=no],
[gl_cv_header_errno_h_complete=yes])
])
if test $gl_cv_header_errno_h_complete = yes; then
ERRNO_H=''
else
gl_NEXT_HEADERS([errno.h])
ERRNO_H='errno.h'
fi
AC_SUBST([ERRNO_H])
AM_CONDITIONAL([GL_GENERATE_ERRNO_H], [test -n "$ERRNO_H"])
gl_REPLACE_ERRNO_VALUE([EMULTIHOP])
gl_REPLACE_ERRNO_VALUE([ENOLINK])
gl_REPLACE_ERRNO_VALUE([EOVERFLOW])
])
# Assuming $1 = EOVERFLOW.
# The EOVERFLOW errno value ought to be defined in <errno.h>, according to
# POSIX. But some systems (like OpenBSD 4.0 or AIX 3) don't define it, and
# some systems (like OSF/1) define it when _XOPEN_SOURCE_EXTENDED is defined.
# Check for the value of EOVERFLOW.
# Set the variables EOVERFLOW_HIDDEN and EOVERFLOW_VALUE.
AC_DEFUN([gl_REPLACE_ERRNO_VALUE],
[
if test -n "$ERRNO_H"; then
AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [
AC_EGREP_CPP([yes],[
#include <errno.h>
#ifdef ]$1[
yes
#endif
],
[gl_cv_header_errno_h_]$1[=yes],
[gl_cv_header_errno_h_]$1[=no])
if test $gl_cv_header_errno_h_]$1[ = no; then
AC_EGREP_CPP([yes],[
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
#ifdef ]$1[
yes
#endif
], [gl_cv_header_errno_h_]$1[=hidden])
if test $gl_cv_header_errno_h_]$1[ = hidden; then
dnl The macro exists but is hidden.
dnl Define it to the same value.
AC_COMPUTE_INT([gl_cv_header_errno_h_]$1, $1, [
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
/* The following two lines are a workaround against an autoconf-2.52 bug. */
#include <stdio.h>
#include <stdlib.h>
])
fi
fi
])
case $gl_cv_header_errno_h_]$1[ in
yes | no)
]$1[_HIDDEN=0; ]$1[_VALUE=
;;
*)
]$1[_HIDDEN=1; ]$1[_VALUE="$gl_cv_header_errno_h_]$1["
;;
esac
AC_SUBST($1[_HIDDEN])
AC_SUBST($1[_VALUE])
fi
])
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
dnl Remove this when we can assume autoconf >= 2.61.
m4_ifdef([AC_COMPUTE_INT], [], [
AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
])

116
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# exponentd.m4 serial 3
dnl Copyright (C) 2007-2008, 2010-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_DOUBLE_EXPONENT_LOCATION],
[
AC_CACHE_CHECK([where to find the exponent in a 'double'],
[gl_cv_cc_double_expbit0],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#define NWORDS \
((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { double value; unsigned int word[NWORDS]; } memory_double;
static unsigned int ored_words[NWORDS];
static unsigned int anded_words[NWORDS];
static void add_to_ored_words (double x)
{
memory_double m;
size_t i;
/* Clear it first, in case sizeof (double) < sizeof (memory_double). */
memset (&m, 0, sizeof (memory_double));
m.value = x;
for (i = 0; i < NWORDS; i++)
{
ored_words[i] |= m.word[i];
anded_words[i] &= m.word[i];
}
}
int main ()
{
size_t j;
FILE *fp = fopen ("conftest.out", "w");
if (fp == NULL)
return 1;
for (j = 0; j < NWORDS; j++)
anded_words[j] = ~ (unsigned int) 0;
add_to_ored_words (0.25);
add_to_ored_words (0.5);
add_to_ored_words (1.0);
add_to_ored_words (2.0);
add_to_ored_words (4.0);
/* Remove bits that are common (e.g. if representation of the first mantissa
bit is explicit). */
for (j = 0; j < NWORDS; j++)
ored_words[j] &= ~anded_words[j];
/* Now find the nonzero word. */
for (j = 0; j < NWORDS; j++)
if (ored_words[j] != 0)
break;
if (j < NWORDS)
{
size_t i;
for (i = j + 1; i < NWORDS; i++)
if (ored_words[i] != 0)
{
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
for (i = 0; ; i++)
if ((ored_words[j] >> i) & 1)
{
fprintf (fp, "word %d bit %d", (int) j, (int) i);
return (fclose (fp) != 0);
}
}
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
]])],
[gl_cv_cc_double_expbit0=`cat conftest.out`],
[gl_cv_cc_double_expbit0="unknown"],
[
dnl On ARM, there are two 'double' floating-point formats, used by
dnl different sets of instructions: The older FPA instructions assume
dnl that they are stored in big-endian word order, while the words
dnl (like integer types) are stored in little-endian byte order.
dnl The newer VFP instructions assume little-endian order
dnl consistently.
AC_EGREP_CPP([mixed_endianness], [
#if defined arm || defined __arm || defined __arm__
mixed_endianness
#endif
],
[gl_cv_cc_double_expbit0="unknown"],
[
pushdef([AC_MSG_CHECKING],[:])dnl
pushdef([AC_MSG_RESULT],[:])dnl
pushdef([AC_MSG_RESULT_UNQUOTED],[:])dnl
AC_C_BIGENDIAN(
[gl_cv_cc_double_expbit0="word 0 bit 20"],
[gl_cv_cc_double_expbit0="word 1 bit 20"],
[gl_cv_cc_double_expbit0="unknown"])
popdef([AC_MSG_RESULT_UNQUOTED])dnl
popdef([AC_MSG_RESULT])dnl
popdef([AC_MSG_CHECKING])dnl
])
])
rm -f conftest.out
])
case "$gl_cv_cc_double_expbit0" in
word*bit*)
word=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word //' -e 's/ bit.*//'`
bit=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word.*bit //'`
AC_DEFINE_UNQUOTED([DBL_EXPBIT0_WORD], [$word],
[Define as the word index where to find the exponent of 'double'.])
AC_DEFINE_UNQUOTED([DBL_EXPBIT0_BIT], [$bit],
[Define as the bit index in the word where to find bit 0 of the exponent of 'double'.])
;;
esac
])

92
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# exponentf.m4 serial 2
dnl Copyright (C) 2007-2008, 2010-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FLOAT_EXPONENT_LOCATION],
[
AC_CACHE_CHECK([where to find the exponent in a 'float'],
[gl_cv_cc_float_expbit0],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#define NWORDS \
((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { float value; unsigned int word[NWORDS]; } memory_float;
static unsigned int ored_words[NWORDS];
static unsigned int anded_words[NWORDS];
static void add_to_ored_words (float x)
{
memory_float m;
size_t i;
/* Clear it first, in case
sizeof (float) < sizeof (memory_float). */
memset (&m, 0, sizeof (memory_float));
m.value = x;
for (i = 0; i < NWORDS; i++)
{
ored_words[i] |= m.word[i];
anded_words[i] &= m.word[i];
}
}
int main ()
{
size_t j;
FILE *fp = fopen ("conftest.out", "w");
if (fp == NULL)
return 1;
for (j = 0; j < NWORDS; j++)
anded_words[j] = ~ (unsigned int) 0;
add_to_ored_words (0.25f);
add_to_ored_words (0.5f);
add_to_ored_words (1.0f);
add_to_ored_words (2.0f);
add_to_ored_words (4.0f);
/* Remove bits that are common (e.g. if representation of the first mantissa
bit is explicit). */
for (j = 0; j < NWORDS; j++)
ored_words[j] &= ~anded_words[j];
/* Now find the nonzero word. */
for (j = 0; j < NWORDS; j++)
if (ored_words[j] != 0)
break;
if (j < NWORDS)
{
size_t i;
for (i = j + 1; i < NWORDS; i++)
if (ored_words[i] != 0)
{
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
for (i = 0; ; i++)
if ((ored_words[j] >> i) & 1)
{
fprintf (fp, "word %d bit %d", (int) j, (int) i);
return (fclose (fp) != 0);
}
}
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
]])],
[gl_cv_cc_float_expbit0=`cat conftest.out`],
[gl_cv_cc_float_expbit0="unknown"],
[gl_cv_cc_float_expbit0="word 0 bit 23"])
rm -f conftest.out
])
case "$gl_cv_cc_float_expbit0" in
word*bit*)
word=`echo "$gl_cv_cc_float_expbit0" | sed -e 's/word //' -e 's/ bit.*//'`
bit=`echo "$gl_cv_cc_float_expbit0" | sed -e 's/word.*bit //'`
AC_DEFINE_UNQUOTED([FLT_EXPBIT0_WORD], [$word],
[Define as the word index where to find the exponent of 'float'.])
AC_DEFINE_UNQUOTED([FLT_EXPBIT0_BIT], [$bit],
[Define as the bit index in the word where to find bit 0 of the exponent of 'float'.])
;;
esac
])

114
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# exponentl.m4 serial 4
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_LONG_DOUBLE_EXPONENT_LOCATION],
[
AC_REQUIRE([gl_BIGENDIAN])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([where to find the exponent in a 'long double'],
[gl_cv_cc_long_double_expbit0],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#define NWORDS \
((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { long double value; unsigned int word[NWORDS]; }
memory_long_double;
static unsigned int ored_words[NWORDS];
static unsigned int anded_words[NWORDS];
static void add_to_ored_words (long double x)
{
memory_long_double m;
size_t i;
/* Clear it first, in case
sizeof (long double) < sizeof (memory_long_double). */
memset (&m, 0, sizeof (memory_long_double));
m.value = x;
for (i = 0; i < NWORDS; i++)
{
ored_words[i] |= m.word[i];
anded_words[i] &= m.word[i];
}
}
int main ()
{
size_t j;
FILE *fp = fopen ("conftest.out", "w");
if (fp == NULL)
return 1;
for (j = 0; j < NWORDS; j++)
anded_words[j] = ~ (unsigned int) 0;
add_to_ored_words (0.25L);
add_to_ored_words (0.5L);
add_to_ored_words (1.0L);
add_to_ored_words (2.0L);
add_to_ored_words (4.0L);
/* Remove bits that are common (e.g. if representation of the first mantissa
bit is explicit). */
for (j = 0; j < NWORDS; j++)
ored_words[j] &= ~anded_words[j];
/* Now find the nonzero word. */
for (j = 0; j < NWORDS; j++)
if (ored_words[j] != 0)
break;
if (j < NWORDS)
{
size_t i;
for (i = j + 1; i < NWORDS; i++)
if (ored_words[i] != 0)
{
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
for (i = 0; ; i++)
if ((ored_words[j] >> i) & 1)
{
fprintf (fp, "word %d bit %d", (int) j, (int) i);
return (fclose (fp) != 0);
}
}
fprintf (fp, "unknown");
return (fclose (fp) != 0);
}
]])],
[gl_cv_cc_long_double_expbit0=`cat conftest.out`],
[gl_cv_cc_long_double_expbit0="unknown"],
[
dnl When cross-compiling, in general we don't know. It depends on the
dnl ABI and compiler version. There are too many cases.
gl_cv_cc_long_double_expbit0="unknown"
case "$host_os" in
mingw*) # On native Windows (little-endian), we know the result
# in two cases: mingw, MSVC.
AC_EGREP_CPP([Known], [
#ifdef __MINGW32__
Known
#endif
], [gl_cv_cc_long_double_expbit0="word 2 bit 0"])
AC_EGREP_CPP([Known], [
#ifdef _MSC_VER
Known
#endif
], [gl_cv_cc_long_double_expbit0="word 1 bit 20"])
;;
esac
])
rm -f conftest.out
])
case "$gl_cv_cc_long_double_expbit0" in
word*bit*)
word=`echo "$gl_cv_cc_long_double_expbit0" | sed -e 's/word //' -e 's/ bit.*//'`
bit=`echo "$gl_cv_cc_long_double_expbit0" | sed -e 's/word.*bit //'`
AC_DEFINE_UNQUOTED([LDBL_EXPBIT0_WORD], [$word],
[Define as the word index where to find the exponent of 'long double'.])
AC_DEFINE_UNQUOTED([LDBL_EXPBIT0_BIT], [$bit],
[Define as the bit index in the word where to find bit 0 of the exponent of 'long double'.])
;;
esac
])

189
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@ -0,0 +1,189 @@
# serial 18 -*- Autoconf -*-
# Enable extensions on systems that normally disable them.
# Copyright (C) 2003, 2006-2018 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This definition of AC_USE_SYSTEM_EXTENSIONS is stolen from git
# Autoconf. Perhaps we can remove this once we can assume Autoconf
# 2.70 or later everywhere, but since Autoconf mutates rapidly
# enough in this area it's likely we'll need to redefine
# AC_USE_SYSTEM_EXTENSIONS for quite some time.
# If autoconf reports a warning
# warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
# or warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
# the fix is
# 1) to ensure that AC_USE_SYSTEM_EXTENSIONS is never directly invoked
# but always AC_REQUIREd,
# 2) to ensure that for each occurrence of
# AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
# or
# AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
# the corresponding gnulib module description has 'extensions' among
# its dependencies. This will ensure that the gl_USE_SYSTEM_EXTENSIONS
# invocation occurs in gl_EARLY, not in gl_INIT.
# AC_USE_SYSTEM_EXTENSIONS
# ------------------------
# Enable extensions on systems that normally disable them,
# typically due to standards-conformance issues.
#
# Remember that #undef in AH_VERBATIM gets replaced with #define by
# AC_DEFINE. The goal here is to define all known feature-enabling
# macros, then, if reports of conflicts are made, disable macros that
# cause problems on some platforms (such as __EXTENSIONS__).
AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS],
[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=])
if test "$MINIX" = yes; then
AC_DEFINE([_POSIX_SOURCE], [1],
[Define to 1 if you need to in order for 'stat' and other
things to work.])
AC_DEFINE([_POSIX_1_SOURCE], [2],
[Define to 2 if the system does not provide POSIX.1 features
except with this defined.])
AC_DEFINE([_MINIX], [1],
[Define to 1 if on MINIX.])
AC_DEFINE([_NETBSD_SOURCE], [1],
[Define to 1 to make NetBSD features available. MINIX 3 needs this.])
fi
dnl Use a different key than __EXTENSIONS__, as that name broke existing
dnl configure.ac when using autoheader 2.62.
AH_VERBATIM([USE_SYSTEM_EXTENSIONS],
[/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable general extensions on macOS. */
#ifndef _DARWIN_C_SOURCE
# undef _DARWIN_C_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable NetBSD extensions on NetBSD. */
#ifndef _NETBSD_SOURCE
# undef _NETBSD_SOURCE
#endif
/* Enable OpenBSD extensions on NetBSD. */
#ifndef _OPENBSD_SOURCE
# undef _OPENBSD_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions specified by ISO/IEC TS 18661-5:2014. */
#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-1:2014. */
#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
# undef __STDC_WANT_IEC_60559_BFP_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-2:2015. */
#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
# undef __STDC_WANT_IEC_60559_DFP_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-4:2015. */
#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-3:2015. */
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
# undef __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
/* Enable extensions specified by ISO/IEC TR 24731-2:2010. */
#ifndef __STDC_WANT_LIB_EXT2__
# undef __STDC_WANT_LIB_EXT2__
#endif
/* Enable extensions specified by ISO/IEC 24747:2009. */
#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
# undef __STDC_WANT_MATH_SPEC_FUNCS__
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable X/Open extensions if necessary. HP-UX 11.11 defines
mbstate_t only if _XOPEN_SOURCE is defined to 500, regardless of
whether compiling with -Ae or -D_HPUX_SOURCE=1. */
#ifndef _XOPEN_SOURCE
# undef _XOPEN_SOURCE
#endif
/* Enable X/Open compliant socket functions that do not require linking
with -lxnet on HP-UX 11.11. */
#ifndef _HPUX_ALT_XOPEN_SOCKET_API
# undef _HPUX_ALT_XOPEN_SOCKET_API
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
])
AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
[ac_cv_safe_to_define___extensions__],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
# define __EXTENSIONS__ 1
]AC_INCLUDES_DEFAULT])],
[ac_cv_safe_to_define___extensions__=yes],
[ac_cv_safe_to_define___extensions__=no])])
test $ac_cv_safe_to_define___extensions__ = yes &&
AC_DEFINE([__EXTENSIONS__])
AC_DEFINE([_ALL_SOURCE])
AC_DEFINE([_DARWIN_C_SOURCE])
AC_DEFINE([_GNU_SOURCE])
AC_DEFINE([_NETBSD_SOURCE])
AC_DEFINE([_OPENBSD_SOURCE])
AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
AC_DEFINE([__STDC_WANT_IEC_60559_ATTRIBS_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_BFP_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_DFP_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_FUNCS_EXT__])
AC_DEFINE([__STDC_WANT_IEC_60559_TYPES_EXT__])
AC_DEFINE([__STDC_WANT_LIB_EXT2__])
AC_DEFINE([__STDC_WANT_MATH_SPEC_FUNCS__])
AC_DEFINE([_TANDEM_SOURCE])
AC_CACHE_CHECK([whether _XOPEN_SOURCE should be defined],
[ac_cv_should_define__xopen_source],
[ac_cv_should_define__xopen_source=no
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <wchar.h>
mbstate_t x;]])],
[],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#define _XOPEN_SOURCE 500
#include <wchar.h>
mbstate_t x;]])],
[ac_cv_should_define__xopen_source=yes])])])
test $ac_cv_should_define__xopen_source = yes &&
AC_DEFINE([_XOPEN_SOURCE], [500])
AC_DEFINE([_HPUX_ALT_XOPEN_SOCKET_API])
])# AC_USE_SYSTEM_EXTENSIONS
# gl_USE_SYSTEM_EXTENSIONS
# ------------------------
# Enable extensions on systems that normally disable them,
# typically due to standards-conformance issues.
AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS],
[
dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS.
dnl gnulib does not need it. But if it gets required by third-party macros
dnl after AC_USE_SYSTEM_EXTENSIONS is required, autoconf 2.62..2.63 emit a
dnl warning: "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS".
dnl Note: We can do this only for one of the macros AC_AIX, AC_GNU_SOURCE,
dnl AC_MINIX. If people still use AC_AIX or AC_MINIX, they are out of luck.
AC_REQUIRE([AC_GNU_SOURCE])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])

102
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@ -0,0 +1,102 @@
dnl 'extern inline' a la ISO C99.
dnl Copyright 2012-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_EXTERN_INLINE],
[
AH_VERBATIM([extern_inline],
[/* Please see the Gnulib manual for how to use these macros.
Suppress extern inline with HP-UX cc, as it appears to be broken; see
<https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>.
Suppress extern inline with Sun C in standards-conformance mode, as it
mishandles inline functions that call each other. E.g., for 'inline void f
(void) { } inline void g (void) { f (); }', c99 incorrectly complains
'reference to static identifier "f" in extern inline function'.
This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16.
Suppress extern inline (with or without __attribute__ ((__gnu_inline__)))
on configurations that mistakenly use 'static inline' to implement
functions or macros in standard C headers like <ctype.h>. For example,
if isdigit is mistakenly implemented via a static inline function,
a program containing an extern inline function that calls isdigit
may not work since the C standard prohibits extern inline functions
from calling static functions. This bug is known to occur on:
OS X 10.8 and earlier; see:
https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html
DragonFly; see
http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log
FreeBSD; see:
https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html
OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and
for clang but remains for g++; see <https://trac.macports.org/ticket/41033>.
Assume DragonFly and FreeBSD will be similar. */
#if (((defined __APPLE__ && defined __MACH__) \
|| defined __DragonFly__ || defined __FreeBSD__) \
&& (defined __header_inline \
? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \
&& ! defined __clang__) \
: ((! defined _DONT_USE_CTYPE_INLINE_ \
&& (defined __GNUC__ || defined __cplusplus)) \
|| (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \
&& defined __GNUC__ && ! defined __cplusplus))))
# define _GL_EXTERN_INLINE_STDHEADER_BUG
#endif
#if ((__GNUC__ \
? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
: (199901L <= __STDC_VERSION__ \
&& !defined __HP_cc \
&& !defined __PGI \
&& !(defined __SUNPRO_C && __STDC__))) \
&& !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
# define _GL_INLINE inline
# define _GL_EXTERN_INLINE extern inline
# define _GL_EXTERN_INLINE_IN_USE
#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \
&& !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__
/* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */
# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
# else
# define _GL_INLINE extern inline
# endif
# define _GL_EXTERN_INLINE extern
# define _GL_EXTERN_INLINE_IN_USE
#else
# define _GL_INLINE static _GL_UNUSED
# define _GL_EXTERN_INLINE static _GL_UNUSED
#endif
/* In GCC 4.6 (inclusive) to 5.1 (exclusive),
suppress bogus "no previous prototype for 'FOO'"
and "no previous declaration for 'FOO'" diagnostics,
when FOO is an inline function in the header; see
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>. */
#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__
# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__
# define _GL_INLINE_HEADER_CONST_PRAGMA
# else
# define _GL_INLINE_HEADER_CONST_PRAGMA \
_Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"")
# endif
# define _GL_INLINE_HEADER_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \
_Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \
_GL_INLINE_HEADER_CONST_PRAGMA
# define _GL_INLINE_HEADER_END \
_Pragma ("GCC diagnostic pop")
#else
# define _GL_INLINE_HEADER_BEGIN
# define _GL_INLINE_HEADER_END
#endif])
])

108
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# float_h.m4 serial 12
dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FLOAT_H],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
FLOAT_H=
REPLACE_FLOAT_LDBL=0
case "$host_os" in
aix* | beos* | openbsd* | mirbsd* | irix*)
FLOAT_H=float.h
;;
freebsd* | dragonfly*)
case "$host_cpu" in
changequote(,)dnl
i[34567]86 )
changequote([,])dnl
FLOAT_H=float.h
;;
x86_64 )
# On x86_64 systems, the C compiler may still be generating
# 32-bit code.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __LP64__ || defined __x86_64__ || defined __amd64__
int ok;
#else
error fail
#endif
]])],
[],
[FLOAT_H=float.h])
;;
esac
;;
linux*)
case "$host_cpu" in
powerpc*)
FLOAT_H=float.h
;;
esac
;;
esac
case "$host_os" in
aix* | freebsd* | dragonfly* | linux*)
if test -n "$FLOAT_H"; then
REPLACE_FLOAT_LDBL=1
fi
;;
esac
dnl Test against glibc-2.7 Linux/SPARC64 bug.
REPLACE_ITOLD=0
AC_CACHE_CHECK([whether conversion from 'int' to 'long double' works],
[gl_cv_func_itold_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
int i = -1;
volatile long double ld;
int main ()
{
ld += i * 1.0L;
if (ld > 0)
return 1;
return 0;
}]])],
[gl_cv_func_itold_works=yes],
[gl_cv_func_itold_works=no],
[case "$host" in
sparc*-*-linux*)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __LP64__ || defined __arch64__
int ok;
#else
error fail
#endif
]])],
[gl_cv_func_itold_works="guessing no"],
[gl_cv_func_itold_works="guessing yes"])
;;
# Guess yes on native Windows.
mingw*) gl_cv_func_itold_works="guessing yes" ;;
*) gl_cv_func_itold_works="guessing yes" ;;
esac
])
])
case "$gl_cv_func_itold_works" in
*no)
REPLACE_ITOLD=1
dnl We add the workaround to <float.h> but also to <math.h>,
dnl to increase the chances that the fix function gets pulled in.
FLOAT_H=float.h
;;
esac
if test -n "$FLOAT_H"; then
gl_NEXT_HEADERS([float.h])
fi
AC_SUBST([FLOAT_H])
AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"])
AC_SUBST([REPLACE_ITOLD])
])

54
m4/fpieee.m4 Normal file
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# fpieee.m4 serial 2 -*- coding: utf-8 -*-
dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl IEEE 754 standardized three items:
dnl - The formats of single-float and double-float - nowadays commonly
dnl available as 'float' and 'double' in C and C++.
dnl No autoconf test needed.
dnl - The overflow and division by zero behaviour: The result are values
dnl '±Inf' and 'NaN', rather than exceptions as it was before.
dnl This file provides an autoconf macro for ensuring this behaviour of
dnl floating-point operations.
dnl - A set of conditions (overflow, underflow, inexact, etc.) which can
dnl be configured to trigger an exception.
dnl This cannot be done in a portable way: it depends on the compiler,
dnl libc, kernel, and CPU. No autoconf macro is provided for this.
dnl Ensure non-trapping behaviour of floating-point overflow and
dnl floating-point division by zero.
dnl (For integer overflow, see gcc's -ftrapv option; for integer division by
dnl zero, see the autoconf macro in intdiv0.m4.)
AC_DEFUN([gl_FP_IEEE],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
# IEEE behaviour is the default on all CPUs except Alpha and SH
# (according to the test results of Bruno Haible's ieeefp/fenv_default.m4
# and the GCC 4.1.2 manual).
case "$host_cpu" in
alpha*)
# On Alpha systems, a compiler option provides the behaviour.
# See the ieee(3) manual page, also available at
# <https://backdrift.org/man/tru64/man3/ieee.3.html>
if test -n "$GCC"; then
# GCC has the option -mieee.
# For full IEEE compliance (rarely needed), use option -mieee-with-inexact.
CPPFLAGS="$CPPFLAGS -mieee"
else
# Compaq (ex-DEC) C has the option -ieee, equivalent to -ieee_with_no_inexact.
# For full IEEE compliance (rarely needed), use option -ieee_with_inexact.
CPPFLAGS="$CPPFLAGS -ieee"
fi
;;
sh*)
if test -n "$GCC"; then
# GCC has the option -mieee.
CPPFLAGS="$CPPFLAGS -mieee"
fi
;;
esac
])

110
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# fprintf-posix.m4 serial 14
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_FPRINTF_POSIX],
[
AC_REQUIRE([gl_PRINTF_SIZES_C99])
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
AC_REQUIRE([gl_PRINTF_INFINITE])
AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
AC_REQUIRE([gl_PRINTF_POSITIONS])
AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
AC_REQUIRE([gl_PRINTF_PRECISION])
AC_REQUIRE([gl_PRINTF_ENOMEM])
gl_cv_func_fprintf_posix=no
case "$gl_cv_func_printf_sizes_c99" in
*yes)
case "$gl_cv_func_printf_long_double" in
*yes)
case "$gl_cv_func_printf_infinite" in
*yes)
case "$gl_cv_func_printf_infinite_long_double" in
*yes)
case "$gl_cv_func_printf_directive_a" in
*yes)
case "$gl_cv_func_printf_directive_f" in
*yes)
case "$gl_cv_func_printf_directive_n" in
*yes)
case "$gl_cv_func_printf_directive_ls" in
*yes)
case "$gl_cv_func_printf_positions" in
*yes)
case "$gl_cv_func_printf_flag_grouping" in
*yes)
case "$gl_cv_func_printf_flag_leftadjust" in
*yes)
case "$gl_cv_func_printf_flag_zero" in
*yes)
case "$gl_cv_func_printf_precision" in
*yes)
case "$gl_cv_func_printf_enomem" in
*yes)
# fprintf exists and is
# already POSIX compliant.
gl_cv_func_fprintf_posix=yes
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
;;
esac
if test $gl_cv_func_fprintf_posix = no; then
gl_PREREQ_VASNPRINTF_LONG_DOUBLE
gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
gl_PREREQ_VASNPRINTF_DIRECTIVE_A
gl_PREREQ_VASNPRINTF_DIRECTIVE_F
gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
gl_PREREQ_VASNPRINTF_FLAG_GROUPING
gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
gl_PREREQ_VASNPRINTF_FLAG_ZERO
gl_PREREQ_VASNPRINTF_PRECISION
gl_PREREQ_VASNPRINTF_ENOMEM
gl_REPLACE_VASNPRINTF
gl_REPLACE_FPRINTF
fi
])
AC_DEFUN([gl_REPLACE_FPRINTF],
[
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AC_LIBOBJ([fprintf])
REPLACE_FPRINTF=1
AC_DEFINE([REPLACE_FPRINTF_POSIX], [1],
[Define if fprintf is overridden by a POSIX compliant gnulib implementation.])
gl_PREREQ_FPRINTF
])
AC_DEFUN([gl_PREREQ_FPRINTF], [:])

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# frexp.m4 serial 16
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_FREXP],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM])
FREXP_LIBM=
if test $gl_cv_func_frexp_no_libm = no; then
AC_CACHE_CHECK([whether frexp() can be used with libm],
[gl_cv_func_frexp_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
double x;]],
[[int e; return frexp (x, &e) > 0;]])],
[gl_cv_func_frexp_in_libm=yes],
[gl_cv_func_frexp_in_libm=no])
LIBS="$save_LIBS"
])
if test $gl_cv_func_frexp_in_libm = yes; then
FREXP_LIBM=-lm
fi
fi
if test $gl_cv_func_frexp_no_libm = yes \
|| test $gl_cv_func_frexp_in_libm = yes; then
save_LIBS="$LIBS"
LIBS="$LIBS $FREXP_LIBM"
gl_FUNC_FREXP_WORKS
LIBS="$save_LIBS"
case "$gl_cv_func_frexp_works" in
*yes) gl_func_frexp=yes ;;
*) gl_func_frexp=no; REPLACE_FREXP=1; FREXP_LIBM= ;;
esac
else
gl_func_frexp=no
fi
if test $gl_func_frexp = yes; then
AC_DEFINE([HAVE_FREXP], [1],
[Define if the frexp() function is available and works.])
fi
AC_SUBST([FREXP_LIBM])
])
AC_DEFUN([gl_FUNC_FREXP_NO_LIBM],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM])
if test $gl_cv_func_frexp_no_libm = yes; then
gl_FUNC_FREXP_WORKS
case "$gl_cv_func_frexp_works" in
*yes) gl_func_frexp_no_libm=yes ;;
*) gl_func_frexp_no_libm=no; REPLACE_FREXP=1 ;;
esac
else
gl_func_frexp_no_libm=no
dnl Set REPLACE_FREXP here because the system may have frexp in libm.
REPLACE_FREXP=1
fi
if test $gl_func_frexp_no_libm = yes; then
AC_DEFINE([HAVE_FREXP_IN_LIBC], [1],
[Define if the frexp() function is available in libc.])
fi
])
dnl Test whether frexp() can be used without linking with libm.
dnl Set gl_cv_func_frexp_no_libm to 'yes' or 'no' accordingly.
AC_DEFUN([gl_CHECK_FREXP_NO_LIBM],
[
AC_CACHE_CHECK([whether frexp() can be used without linking with libm],
[gl_cv_func_frexp_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
double x;]],
[[int e; return frexp (x, &e) > 0;]])],
[gl_cv_func_frexp_no_libm=yes],
[gl_cv_func_frexp_no_libm=no])
])
])
dnl Test whether frexp() works also on denormalized numbers (this fails e.g. on
dnl NetBSD 3.0), on infinite numbers (this fails e.g. on IRIX 6.5 and mingw),
dnl and on negative zero (this fails e.g. on NetBSD 4.99 and mingw).
AC_DEFUN([gl_FUNC_FREXP_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CHECK_DECLS_ONCE([alarm])
AC_CACHE_CHECK([whether frexp works], [gl_cv_func_frexp_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <math.h>
#include <string.h>
#if HAVE_DECL_ALARM
# include <signal.h>
# include <unistd.h>
#endif
/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
ICC 10.0 has a bug when optimizing the expression -zero.
The expression -DBL_MIN * DBL_MIN does not work when cross-compiling
to PowerPC on Mac OS X 10.5. */
#if defined __hpux || defined __sgi || defined __ICC
static double
compute_minus_zero (void)
{
return -DBL_MIN * DBL_MIN;
}
# define minus_zero compute_minus_zero ()
#else
double minus_zero = -0.0;
#endif
int main()
{
int result = 0;
int i;
volatile double x;
double zero = 0.0;
#if HAVE_DECL_ALARM
/* NeXTstep 3.3 frexp() runs into an endless loop when called on an infinite
number. Let the test fail in this case. */
signal (SIGALRM, SIG_DFL);
alarm (5);
#endif
/* Test on denormalized numbers. */
for (i = 1, x = 1.0; i >= DBL_MIN_EXP; i--, x *= 0.5)
;
if (x > 0.0)
{
int exp;
double y = frexp (x, &exp);
/* On machines with IEEE754 arithmetic: x = 1.11254e-308, exp = -1022.
On NetBSD: y = 0.75. Correct: y = 0.5. */
if (y != 0.5)
result |= 1;
}
/* Test on infinite numbers. */
x = 1.0 / zero;
{
int exp;
double y = frexp (x, &exp);
if (y != x)
result |= 2;
}
/* Test on negative zero. */
x = minus_zero;
{
int exp;
double y = frexp (x, &exp);
if (memcmp (&y, &x, sizeof x))
result |= 4;
}
return result;
}]])],
[gl_cv_func_frexp_works=yes],
[gl_cv_func_frexp_works=no],
[case "$host_os" in
netbsd* | irix*) gl_cv_func_frexp_works="guessing no" ;;
mingw*) # Guess yes with MSVC, no with mingw.
AC_EGREP_CPP([Good], [
#ifdef _MSC_VER
Good
#endif
],
[gl_cv_func_frexp_works="guessing yes"],
[gl_cv_func_frexp_works="guessing no"])
;;
*) gl_cv_func_frexp_works="guessing yes" ;;
esac
])
])
])

231
m4/frexpl.m4 Normal file
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@ -0,0 +1,231 @@
# frexpl.m4 serial 21
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_FREXPL],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
dnl Persuade glibc <math.h> to declare frexpl().
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
dnl Check whether it's declared.
dnl Mac OS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]])
FREXPL_LIBM=
if test $HAVE_DECL_FREXPL = 1; then
gl_CHECK_FREXPL_NO_LIBM
if test $gl_cv_func_frexpl_no_libm = no; then
AC_CACHE_CHECK([whether frexpl() can be used with libm],
[gl_cv_func_frexpl_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
long double x;]],
[[int e; return frexpl (x, &e) > 0;]])],
[gl_cv_func_frexpl_in_libm=yes],
[gl_cv_func_frexpl_in_libm=no])
LIBS="$save_LIBS"
])
if test $gl_cv_func_frexpl_in_libm = yes; then
FREXPL_LIBM=-lm
fi
fi
if test $gl_cv_func_frexpl_no_libm = yes \
|| test $gl_cv_func_frexpl_in_libm = yes; then
save_LIBS="$LIBS"
LIBS="$LIBS $FREXPL_LIBM"
gl_FUNC_FREXPL_WORKS
LIBS="$save_LIBS"
case "$gl_cv_func_frexpl_works" in
*yes) gl_func_frexpl=yes ;;
*) gl_func_frexpl=no; REPLACE_FREXPL=1 ;;
esac
else
gl_func_frexpl=no
fi
if test $gl_func_frexpl = yes; then
AC_DEFINE([HAVE_FREXPL], [1],
[Define if the frexpl() function is available.])
fi
fi
if test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl = no; then
dnl Find libraries needed to link lib/frexpl.c.
if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then
AC_REQUIRE([gl_FUNC_FREXP])
FREXPL_LIBM="$FREXP_LIBM"
else
FREXPL_LIBM=
fi
fi
AC_SUBST([FREXPL_LIBM])
])
AC_DEFUN([gl_FUNC_FREXPL_NO_LIBM],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
dnl Check whether it's declared.
dnl Mac OS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]])
if test $HAVE_DECL_FREXPL = 1; then
gl_CHECK_FREXPL_NO_LIBM
if test $gl_cv_func_frexpl_no_libm = yes; then
gl_FUNC_FREXPL_WORKS
case "$gl_cv_func_frexpl_works" in
*yes) gl_func_frexpl_no_libm=yes ;;
*) gl_func_frexpl_no_libm=no; REPLACE_FREXPL=1 ;;
esac
else
gl_func_frexpl_no_libm=no
dnl Set REPLACE_FREXPL here because the system may have frexpl in libm.
REPLACE_FREXPL=1
fi
if test $gl_func_frexpl_no_libm = yes; then
AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1],
[Define if the frexpl() function is available in libc.])
fi
fi
])
dnl Test whether frexpl() can be used without linking with libm.
dnl Set gl_cv_func_frexpl_no_libm to 'yes' or 'no' accordingly.
AC_DEFUN([gl_CHECK_FREXPL_NO_LIBM],
[
AC_CACHE_CHECK([whether frexpl() can be used without linking with libm],
[gl_cv_func_frexpl_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
long double x;]],
[[int e; return frexpl (x, &e) > 0;]])],
[gl_cv_func_frexpl_no_libm=yes],
[gl_cv_func_frexpl_no_libm=no])
])
])
dnl Test whether frexpl() works on finite numbers (this fails on
dnl Mac OS X 10.4/PowerPC, on AIX 5.1, and on BeOS), on denormalized numbers
dnl (this fails on Mac OS X 10.5/i386), and also on infinite numbers (this
dnl fails e.g. on IRIX 6.5 and mingw).
AC_DEFUN([gl_FUNC_FREXPL_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether frexpl works], [gl_cv_func_frexpl_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <math.h>
/* Override the values of <float.h>, like done in float.in.h. */
#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP (-16381)
#endif
#if defined __i386__ && (defined __FreeBSD__ || defined __DragonFly__)
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP (-16381)
#endif
#if (defined _ARCH_PPC || defined _POWER) && defined _AIX && (LDBL_MANT_DIG == 106) && defined __GNUC__
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP DBL_MIN_EXP
#endif
#if defined __sgi && (LDBL_MANT_DIG >= 106)
# if defined __GNUC__
# undef LDBL_MIN_EXP
# define LDBL_MIN_EXP DBL_MIN_EXP
# endif
#endif
extern
#ifdef __cplusplus
"C"
#endif
long double frexpl (long double, int *);
int main()
{
int result = 0;
volatile long double x;
/* Test on finite numbers that fails on AIX 5.1. */
x = 16.0L;
{
int exp = -9999;
frexpl (x, &exp);
if (exp != 5)
result |= 1;
}
/* Test on finite numbers that fails on Mac OS X 10.4, because its frexpl
function returns an invalid (incorrectly normalized) value: it returns
y = { 0x3fe028f5, 0xc28f5c28, 0x3c9eb851, 0xeb851eb8 }
but the correct result is
0.505L = { 0x3fe028f5, 0xc28f5c29, 0xbc547ae1, 0x47ae1480 } */
x = 1.01L;
{
int exp = -9999;
long double y = frexpl (x, &exp);
if (!(exp == 1 && y == 0.505L))
result |= 2;
}
/* Test on large finite numbers. This fails on BeOS at i = 16322, while
LDBL_MAX_EXP = 16384.
In the loop end test, we test x against Infinity, rather than comparing
i with LDBL_MAX_EXP, because BeOS <float.h> has a wrong LDBL_MAX_EXP. */
{
int i;
for (i = 1, x = 1.0L; x != x + x; i++, x *= 2.0L)
{
int exp = -9999;
frexpl (x, &exp);
if (exp != i)
{
result |= 4;
break;
}
}
}
/* Test on denormalized numbers. */
{
int i;
for (i = 1, x = 1.0L; i >= LDBL_MIN_EXP; i--, x *= 0.5L)
;
if (x > 0.0L)
{
int exp;
long double y = frexpl (x, &exp);
/* On machines with IEEE854 arithmetic: x = 1.68105e-4932,
exp = -16382, y = 0.5. On Mac OS X 10.5: exp = -16384, y = 0.5. */
if (exp != LDBL_MIN_EXP - 1)
result |= 8;
}
}
/* Test on infinite numbers. */
x = 1.0L / 0.0L;
{
int exp;
long double y = frexpl (x, &exp);
if (y != x)
result |= 16;
}
return result;
}]])],
[gl_cv_func_frexpl_works=yes],
[gl_cv_func_frexpl_works=no],
[
changequote(,)dnl
case "$host_os" in
aix | aix[3-6]* | beos* | darwin* | irix* | mingw* | pw*)
gl_cv_func_frexpl_works="guessing no";;
*) gl_cv_func_frexpl_works="guessing yes";;
esac
changequote([,])dnl
])
])
])

10
m4/fseterr.m4 Normal file
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@ -0,0 +1,10 @@
# fseterr.m4 serial 1
dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_FSETERR],
[
AC_CHECK_FUNCS_ONCE([__fseterr])
])

14
m4/getrusage.m4 Normal file
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@ -0,0 +1,14 @@
# getrusage.m4 serial 1
dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_GETRUSAGE],
[
AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([getrusage])
if test $ac_cv_func_getrusage = no; then
HAVE_GETRUSAGE=0
fi
])

52
m4/gnulib-cache.m4 Normal file
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@ -0,0 +1,52 @@
# Copyright (C) 2002-2018 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this file. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception to the GNU General Public License,
# this file may be distributed as part of a program that
# contains a configuration script generated by Autoconf, under
# the same distribution terms as the rest of that program.
#
# Generated by gnulib-tool.
#
# This file represents the specification of how gnulib-tool is used.
# It acts as a cache: It is written and read by gnulib-tool.
# In projects that use version control, this file is meant to be put under
# version control, like the configure.ac and various Makefile.am files.
# Specification in the form of a command-line invocation:
# gnulib-tool --import --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=autotools --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files fprintf-posix getrusage sys_resource sys_time
# Specification in the form of a few gnulib-tool.m4 macro invocations:
gl_LOCAL_DIR([])
gl_MODULES([
fprintf-posix
getrusage
sys_resource
sys_time
])
gl_AVOID([])
gl_SOURCE_BASE([lib])
gl_M4_BASE([m4])
gl_PO_BASE([])
gl_DOC_BASE([doc])
gl_TESTS_BASE([tests])
gl_LIB([libgnu])
gl_MAKEFILE_NAME([])
gl_LIBTOOL
gl_MACRO_PREFIX([gl])
gl_PO_DOMAIN([])
gl_WITNESS_C_MACRO([])
gl_VC_FILES([false])

474
m4/gnulib-common.m4 Normal file
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@ -0,0 +1,474 @@
# gnulib-common.m4 serial 39
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# gl_COMMON
# is expanded unconditionally through gnulib-tool magic.
AC_DEFUN([gl_COMMON], [
dnl Use AC_REQUIRE here, so that the code is expanded once only.
AC_REQUIRE([gl_00GNULIB])
AC_REQUIRE([gl_COMMON_BODY])
])
AC_DEFUN([gl_COMMON_BODY], [
AH_VERBATIM([_Noreturn],
[/* The _Noreturn keyword of C11. */
#if ! (defined _Noreturn \
|| (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__))
# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
|| 0x5110 <= __SUNPRO_C)
# define _Noreturn __attribute__ ((__noreturn__))
# elif defined _MSC_VER && 1200 <= _MSC_VER
# define _Noreturn __declspec (noreturn)
# else
# define _Noreturn
# endif
#endif
])
AH_VERBATIM([isoc99_inline],
[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
__APPLE__ && __MACH__ test for Mac OS X.
__APPLE_CC__ tests for the Apple compiler and its version.
__STDC_VERSION__ tests for the C99 mode. */
#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
# define __GNUC_STDC_INLINE__ 1
#endif])
AH_VERBATIM([unused_parameter],
[/* Define as a marker that can be attached to declarations that might not
be used. This helps to reduce warnings, such as from
GCC -Wunused-parameter. */
#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_UNUSED __attribute__ ((__unused__))
#else
# define _GL_UNUSED
#endif
/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
is a misnomer outside of parameter lists. */
#define _UNUSED_PARAMETER_ _GL_UNUSED
/* gcc supports the "unused" attribute on possibly unused labels, and
g++ has since version 4.5. Note to support C++ as well as C,
_GL_UNUSED_LABEL should be used with a trailing ; */
#if !defined __cplusplus || __GNUC__ > 4 \
|| (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
# define _GL_UNUSED_LABEL _GL_UNUSED
#else
# define _GL_UNUSED_LABEL
#endif
/* The __pure__ attribute was added in gcc 2.96. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
#else
# define _GL_ATTRIBUTE_PURE /* empty */
#endif
/* The __const__ attribute was added in gcc 2.95. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
#else
# define _GL_ATTRIBUTE_CONST /* empty */
#endif
/* The __malloc__ attribute was added in gcc 3. */
#if 3 <= __GNUC__
# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
#else
# define _GL_ATTRIBUTE_MALLOC /* empty */
#endif
])
dnl Preparation for running test programs:
dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
dnl to /dev/tty, so they can be redirected to log files. Such diagnostics
dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
LIBC_FATAL_STDERR_=1
export LIBC_FATAL_STDERR_
])
# gl_MODULE_INDICATOR_CONDITION
# expands to a C preprocessor expression that evaluates to 1 or 0, depending
# whether a gnulib module that has been requested shall be considered present
# or not.
m4_define([gl_MODULE_INDICATOR_CONDITION], [1])
# gl_MODULE_INDICATOR_SET_VARIABLE([modulename])
# sets the shell variable that indicates the presence of the given module to
# a C preprocessor expression that will evaluate to 1.
AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
[
gl_MODULE_INDICATOR_SET_VARIABLE_AUX(
[GNULIB_[]m4_translit([[$1]],
[abcdefghijklmnopqrstuvwxyz./-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])],
[gl_MODULE_INDICATOR_CONDITION])
])
# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable])
# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION.
# The shell variable's value is a C preprocessor expression that evaluates
# to 0 or 1.
AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX],
[
m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1],
[
dnl Simplify the expression VALUE || 1 to 1.
$1=1
],
[gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1],
[gl_MODULE_INDICATOR_CONDITION])])
])
# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition])
# modifies the shell variable to include the given condition. The shell
# variable's value is a C preprocessor expression that evaluates to 0 or 1.
AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR],
[
dnl Simplify the expression 1 || CONDITION to 1.
if test "$[]$1" != 1; then
dnl Simplify the expression 0 || CONDITION to CONDITION.
if test "$[]$1" = 0; then
$1=$2
else
$1="($[]$1 || $2)"
fi
fi
])
# gl_MODULE_INDICATOR([modulename])
# defines a C macro indicating the presence of the given module
# in a location where it can be used.
# | Value | Value |
# | in lib/ | in tests/ |
# --------------------------------------------+---------+-----------+
# Module present among main modules: | 1 | 1 |
# --------------------------------------------+---------+-----------+
# Module present among tests-related modules: | 0 | 1 |
# --------------------------------------------+---------+-----------+
# Module not present at all: | 0 | 0 |
# --------------------------------------------+---------+-----------+
AC_DEFUN([gl_MODULE_INDICATOR],
[
AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]],
[abcdefghijklmnopqrstuvwxyz./-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
[gl_MODULE_INDICATOR_CONDITION],
[Define to a C preprocessor expression that evaluates to 1 or 0,
depending whether the gnulib module $1 shall be considered present.])
])
# gl_MODULE_INDICATOR_FOR_TESTS([modulename])
# defines a C macro indicating the presence of the given module
# in lib or tests. This is useful to determine whether the module
# should be tested.
# | Value | Value |
# | in lib/ | in tests/ |
# --------------------------------------------+---------+-----------+
# Module present among main modules: | 1 | 1 |
# --------------------------------------------+---------+-----------+
# Module present among tests-related modules: | 1 | 1 |
# --------------------------------------------+---------+-----------+
# Module not present at all: | 0 | 0 |
# --------------------------------------------+---------+-----------+
AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS],
[
AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]],
[abcdefghijklmnopqrstuvwxyz./-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
[Define to 1 when the gnulib module $1 should be tested.])
])
# gl_ASSERT_NO_GNULIB_POSIXCHECK
# asserts that there will never be a need to #define GNULIB_POSIXCHECK.
# and thereby enables an optimization of configure and config.h.
# Used by Emacs.
AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK],
[
dnl Override gl_WARN_ON_USE_PREPARE.
dnl But hide this definition from 'aclocal'.
AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], [])
])
# gl_ASSERT_NO_GNULIB_TESTS
# asserts that there will be no gnulib tests in the scope of the configure.ac
# and thereby enables an optimization of config.h.
# Used by Emacs.
AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS],
[
dnl Override gl_MODULE_INDICATOR_FOR_TESTS.
AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], [])
])
# Test whether <features.h> exists.
# Set HAVE_FEATURES_H.
AC_DEFUN([gl_FEATURES_H],
[
AC_CHECK_HEADERS_ONCE([features.h])
if test $ac_cv_header_features_h = yes; then
HAVE_FEATURES_H=1
else
HAVE_FEATURES_H=0
fi
AC_SUBST([HAVE_FEATURES_H])
])
# m4_foreach_w
# is a backport of autoconf-2.59c's m4_foreach_w.
# Remove this macro when we can assume autoconf >= 2.60.
m4_ifndef([m4_foreach_w],
[m4_define([m4_foreach_w],
[m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
# AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
# ----------------------------------------------------
# Backport of autoconf-2.63b's macro.
# Remove this macro when we can assume autoconf >= 2.64.
m4_ifndef([AS_VAR_IF],
[m4_define([AS_VAR_IF],
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# understand ISO C99 source code.
# This is like AC_PROG_CC_C99, except that
# - AC_PROG_CC_C99 did not exist in Autoconf versions < 2.60,
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# but many more packages use AC_PROG_CC_STDC than AC_PROG_CC_C99
# <https://lists.gnu.org/r/bug-gnulib/2011-09/msg00441.html>.
# Remaining problems:
# - When AC_PROG_CC_STDC is invoked twice, it adds the C99 enabling options
# to CC twice
# <https://lists.gnu.org/r/bug-gnulib/2011-09/msg00431.html>.
# - AC_PROG_CC_STDC is likely to change now that C11 is an ISO standard.
AC_DEFUN([gl_PROG_CC_C99],
[
dnl Change that version number to the minimum Autoconf version that supports
dnl mixing AC_PROG_CC_C99 calls with AC_PROG_CC_STDC calls.
m4_version_prereq([9.0],
[AC_REQUIRE([AC_PROG_CC_C99])],
[AC_REQUIRE([AC_PROG_CC_STDC])])
])
# gl_PROG_AR_RANLIB
# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler.
# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override
# the values.
AC_DEFUN([gl_PROG_AR_RANLIB],
[
dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler
dnl as "cc", and GCC as "gcc". They have different object file formats and
dnl library formats. In particular, the GNU binutils programs ar and ranlib
dnl produce libraries that work only with gcc, not with cc.
AC_REQUIRE([AC_PROG_CC])
dnl The '][' hides this use from 'aclocal'.
AC_BEFORE([$0], [A][M_PROG_AR])
AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler],
[
AC_EGREP_CPP([Amsterdam],
[
#ifdef __ACK__
Amsterdam
#endif
],
[gl_cv_c_amsterdam_compiler=yes],
[gl_cv_c_amsterdam_compiler=no])
])
dnl Don't compete with AM_PROG_AR's decision about AR/ARFLAGS if we are not
dnl building with __ACK__.
if test $gl_cv_c_amsterdam_compiler = yes; then
if test -z "$AR"; then
AR='cc -c.a'
fi
if test -z "$ARFLAGS"; then
ARFLAGS='-o'
fi
else
dnl AM_PROG_AR was added in automake v1.11.2. AM_PROG_AR does not AC_SUBST
dnl ARFLAGS variable (it is filed into Makefile.in directly by automake
dnl script on-demand, if not specified by ./configure of course).
dnl Don't AC_REQUIRE the AM_PROG_AR otherwise the code for __ACK__ above
dnl will be ignored. Also, pay attention to call AM_PROG_AR in else block
dnl because AM_PROG_AR is written so it could re-set AR variable even for
dnl __ACK__. It may seem like its easier to avoid calling the macro here,
dnl but we need to AC_SUBST both AR/ARFLAGS (thus those must have some good
dnl default value and automake should usually know them).
dnl
dnl The '][' hides this use from 'aclocal'.
m4_ifdef([A][M_PROG_AR], [A][M_PROG_AR], [:])
fi
dnl In case the code above has not helped with setting AR/ARFLAGS, use
dnl Automake-documented default values for AR and ARFLAGS, but prefer
dnl ${host}-ar over ar (useful for cross-compiling).
AC_CHECK_TOOL([AR], [ar], [ar])
if test -z "$ARFLAGS"; then
ARFLAGS='cr'
fi
AC_SUBST([AR])
AC_SUBST([ARFLAGS])
if test -z "$RANLIB"; then
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dnl Use the ranlib program if it is available.
AC_PROG_RANLIB
fi
fi
AC_SUBST([RANLIB])
])
# AC_PROG_MKDIR_P
# is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix
# for interoperability with automake-1.9.6 from autoconf-2.62.
# Remove this macro when we can assume autoconf >= 2.62 or
# autoconf >= 2.60 && automake >= 1.10.
# AC_AUTOCONF_VERSION was introduced in 2.62, so use that as the witness.
m4_ifndef([AC_AUTOCONF_VERSION],[
m4_ifdef([AC_PROG_MKDIR_P], [
dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed.
m4_define([AC_PROG_MKDIR_P],
m4_defn([AC_PROG_MKDIR_P])[
AC_SUBST([MKDIR_P])])], [
dnl For autoconf < 2.60: Backport of AC_PROG_MKDIR_P.
AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
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AC_SUBST([MKDIR_P])])])
])
# AC_C_RESTRICT
# This definition is copied from post-2.69 Autoconf and overrides the
# AC_C_RESTRICT macro from autoconf 2.60..2.69. It can be removed
# once autoconf >= 2.70 can be assumed. It's painful to check version
# numbers, and in practice this macro is more up-to-date than Autoconf
# is, so override Autoconf unconditionally.
AC_DEFUN([AC_C_RESTRICT],
[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
[ac_cv_c_restrict=no
# The order here caters to the fact that C++ does not require restrict.
for ac_kw in __restrict __restrict__ _Restrict restrict; do
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[typedef int *int_ptr;
int foo (int_ptr $ac_kw ip) { return ip[0]; }
int bar (int [$ac_kw]); /* Catch GCC bug 14050. */
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]],
[[int s[1];
int *$ac_kw t = s;
t[0] = 0;
return foo (t) + bar (t);
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[ac_cv_c_restrict=$ac_kw])
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])
AH_VERBATIM([restrict],
[/* Define to the equivalent of the C99 'restrict' keyword, or to
nothing if this is not supported. Do not define if restrict is
supported directly. */
#undef restrict
/* Work around a bug in Sun C++: it does not support _Restrict or
__restrict__, even though the corresponding Sun C compiler ends up with
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previous line. Perhaps some future version of Sun C++ will work with
restrict; if so, hopefully it defines __RESTRICT like Sun C does. */
#if defined __SUNPRO_CC && !defined __RESTRICT
# define _Restrict
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# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.
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# This macro should be used instead of AC_CACHE_VAL when it is not surrounded
# by an AC_MSG_CHECKING/AC_MSG_RESULT pair.
AC_DEFUN([gl_CACHE_VAL_SILENT],
[
saved_as_echo_n="$as_echo_n"
as_echo_n=':'
AC_CACHE_VAL([$1], [$2])
as_echo_n="$saved_as_echo_n"
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# AS_VAR_COPY was added in autoconf 2.63b
m4_define_default([AS_VAR_COPY],
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[AC_CACHE_CHECK([for a sed that does not truncate output], ac_cv_path_SED,
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for ac_i in 1 2 3 4 5 6 7; do
ac_script="$ac_script$as_nl$ac_script"
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ac_path_SED_found=false
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ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
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SED="$ac_cv_path_SED"
AC_SUBST([SED])dnl
rm -f conftest.sed
])
])

428
m4/gnulib-comp.m4 Normal file
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@ -0,0 +1,428 @@
# DO NOT EDIT! GENERATED AUTOMATICALLY!
# Copyright (C) 2002-2018 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this file. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception to the GNU General Public License,
# this file may be distributed as part of a program that
# contains a configuration script generated by Autoconf, under
# the same distribution terms as the rest of that program.
#
# Generated by gnulib-tool.
#
# This file represents the compiled summary of the specification in
# gnulib-cache.m4. It lists the computed macro invocations that need
# to be invoked from configure.ac.
# In projects that use version control, this file can be treated like
# other built files.
# This macro should be invoked from ./configure.ac, in the section
# "Checks for programs", right after AC_PROG_CC, and certainly before
# any checks for libraries, header files, types and library functions.
AC_DEFUN([gl_EARLY],
[
m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace
m4_pattern_allow([^gl_ES$])dnl a valid locale name
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m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
# Pre-early section.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_PROG_AR_RANLIB])
# Code from module absolute-header:
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AC_REQUIRE([gl_FP_IEEE])
# Code from module fprintf-posix:
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# Code from module getrusage:
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# Code from module isnand-nolibm:
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# Code from module isnanl-nolibm:
# Code from module limits-h:
# Code from module math:
# Code from module memchr:
# Code from module multiarch:
# Code from module nocrash:
# Code from module printf-frexp:
# Code from module printf-frexpl:
# Code from module printf-safe:
# Code from module signbit:
# Code from module size_max:
# Code from module snippet/arg-nonnull:
# Code from module snippet/c++defs:
# Code from module snippet/warn-on-use:
# Code from module ssize_t:
# Code from module stddef:
# Code from module stdint:
# Code from module stdio:
# Code from module string:
# Code from module sys_resource:
# Code from module sys_time:
# Code from module sys_types:
# Code from module vasnprintf:
# Code from module verify:
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# Code from module xsize:
])
# This macro should be invoked from ./configure.ac, in the section
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AC_DEFUN([gl_INIT],
[
AM_CONDITIONAL([GL_COND_LIBTOOL], [true])
gl_cond_libtool=true
gl_m4_base='m4'
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m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gl_REPLACE_FUNCS]))
m4_pushdef([AC_LIBSOURCES], m4_defn([gl_LIBSOURCES]))
m4_pushdef([gl_LIBSOURCES_LIST], [])
m4_pushdef([gl_LIBSOURCES_DIR], [])
gl_COMMON
gl_source_base='lib'
gl_FUNC_ALLOCA
gl_HEADER_ERRNO_H
AC_REQUIRE([gl_EXTERN_INLINE])
gl_FLOAT_H
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AC_LIBOBJ([float])
fi
if test $REPLACE_ITOLD = 1; then
AC_LIBOBJ([itold])
fi
gl_FUNC_FPRINTF_POSIX
gl_STDIO_MODULE_INDICATOR([fprintf-posix])
gl_FUNC_FREXP_NO_LIBM
if test $gl_func_frexp_no_libm != yes; then
AC_LIBOBJ([frexp])
fi
gl_MATH_MODULE_INDICATOR([frexp])
gl_FUNC_FREXPL_NO_LIBM
if test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl_no_libm = no; then
AC_LIBOBJ([frexpl])
fi
gl_MATH_MODULE_INDICATOR([frexpl])
gl_FUNC_FSETERR
if test $ac_cv_func___fseterr = no; then
AC_LIBOBJ([fseterr])
fi
gl_FUNC_GETRUSAGE
if test $HAVE_GETRUSAGE = 0; then
AC_LIBOBJ([getrusage])
fi
gl_SYS_RESOURCE_MODULE_INDICATOR([getrusage])
gl_FUNC_ISNAND_NO_LIBM
if test $gl_func_isnand_no_libm != yes; then
AC_LIBOBJ([isnand])
gl_PREREQ_ISNAND
fi
gl_FUNC_ISNANF_NO_LIBM
if test $gl_func_isnanf_no_libm != yes; then
AC_LIBOBJ([isnanf])
gl_PREREQ_ISNANF
fi
gl_FUNC_ISNANL_NO_LIBM
if test $gl_func_isnanl_no_libm != yes; then
AC_LIBOBJ([isnanl])
gl_PREREQ_ISNANL
fi
gl_LIMITS_H
gl_MATH_H
gl_FUNC_MEMCHR
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AC_LIBOBJ([memchr])
gl_PREREQ_MEMCHR
fi
gl_STRING_MODULE_INDICATOR([memchr])
gl_MULTIARCH
gl_FUNC_PRINTF_FREXP
gl_FUNC_PRINTF_FREXPL
m4_divert_text([INIT_PREPARE], [gl_printf_safe=yes])
gl_SIGNBIT
if test $REPLACE_SIGNBIT = 1; then
AC_LIBOBJ([signbitf])
AC_LIBOBJ([signbitd])
AC_LIBOBJ([signbitl])
fi
gl_MATH_MODULE_INDICATOR([signbit])
gl_SIZE_MAX
gt_TYPE_SSIZE_T
gl_STDDEF_H
gl_STDINT_H
gl_STDIO_H
gl_HEADER_STRING_H
gl_HEADER_SYS_RESOURCE
AC_PROG_MKDIR_P
gl_HEADER_SYS_TIME_H
AC_PROG_MKDIR_P
gl_SYS_TYPES_H
AC_PROG_MKDIR_P
gl_FUNC_VASNPRINTF
gl_WCHAR_H
gl_XSIZE
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m4_ifval(gl_LIBSOURCES_LIST, [
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if test ! -r ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file ; then
echo "missing file ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file" >&2
exit 1
fi
done])dnl
m4_if(m4_sysval, [0], [],
[AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
])
m4_popdef([gl_LIBSOURCES_DIR])
m4_popdef([gl_LIBSOURCES_LIST])
m4_popdef([AC_LIBSOURCES])
m4_popdef([AC_REPLACE_FUNCS])
m4_popdef([AC_LIBOBJ])
AC_CONFIG_COMMANDS_PRE([
gl_libobjs=
gl_ltlibobjs=
if test -n "$gl_LIBOBJS"; then
# Remove the extension.
sed_drop_objext='s/\.o$//;s/\.obj$//'
for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
gl_libobjs="$gl_libobjs $i.$ac_objext"
gl_ltlibobjs="$gl_ltlibobjs $i.lo"
done
fi
AC_SUBST([gl_LIBOBJS], [$gl_libobjs])
AC_SUBST([gl_LTLIBOBJS], [$gl_ltlibobjs])
])
gltests_libdeps=
gltests_ltlibdeps=
m4_pushdef([AC_LIBOBJ], m4_defn([gltests_LIBOBJ]))
m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gltests_REPLACE_FUNCS]))
m4_pushdef([AC_LIBSOURCES], m4_defn([gltests_LIBSOURCES]))
m4_pushdef([gltests_LIBSOURCES_LIST], [])
m4_pushdef([gltests_LIBSOURCES_DIR], [])
gl_COMMON
gl_source_base='tests'
changequote(,)dnl
gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS
changequote([, ])dnl
AC_SUBST([gltests_WITNESS])
gl_module_indicator_condition=$gltests_WITNESS
m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition])
m4_popdef([gl_MODULE_INDICATOR_CONDITION])
m4_ifval(gltests_LIBSOURCES_LIST, [
m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ ||
for gl_file in ]gltests_LIBSOURCES_LIST[ ; do
if test ! -r ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file ; then
echo "missing file ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file" >&2
exit 1
fi
done])dnl
m4_if(m4_sysval, [0], [],
[AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
])
m4_popdef([gltests_LIBSOURCES_DIR])
m4_popdef([gltests_LIBSOURCES_LIST])
m4_popdef([AC_LIBSOURCES])
m4_popdef([AC_REPLACE_FUNCS])
m4_popdef([AC_LIBOBJ])
AC_CONFIG_COMMANDS_PRE([
gltests_libobjs=
gltests_ltlibobjs=
if test -n "$gltests_LIBOBJS"; then
# Remove the extension.
sed_drop_objext='s/\.o$//;s/\.obj$//'
for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
gltests_libobjs="$gltests_libobjs $i.$ac_objext"
gltests_ltlibobjs="$gltests_ltlibobjs $i.lo"
done
fi
AC_SUBST([gltests_LIBOBJS], [$gltests_libobjs])
AC_SUBST([gltests_LTLIBOBJS], [$gltests_ltlibobjs])
])
])
# Like AC_LIBOBJ, except that the module name goes
# into gl_LIBOBJS instead of into LIBOBJS.
AC_DEFUN([gl_LIBOBJ], [
AS_LITERAL_IF([$1], [gl_LIBSOURCES([$1.c])])dnl
gl_LIBOBJS="$gl_LIBOBJS $1.$ac_objext"
])
# Like AC_REPLACE_FUNCS, except that the module name goes
# into gl_LIBOBJS instead of into LIBOBJS.
AC_DEFUN([gl_REPLACE_FUNCS], [
m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
AC_CHECK_FUNCS([$1], , [gl_LIBOBJ($ac_func)])
])
# Like AC_LIBSOURCES, except the directory where the source file is
# expected is derived from the gnulib-tool parameterization,
# and alloca is special cased (for the alloca-opt module).
# We could also entirely rely on EXTRA_lib..._SOURCES.
AC_DEFUN([gl_LIBSOURCES], [
m4_foreach([_gl_NAME], [$1], [
m4_if(_gl_NAME, [alloca.c], [], [
m4_define([gl_LIBSOURCES_DIR], [lib])
m4_append([gl_LIBSOURCES_LIST], _gl_NAME, [ ])
])
])
])
# Like AC_LIBOBJ, except that the module name goes
# into gltests_LIBOBJS instead of into LIBOBJS.
AC_DEFUN([gltests_LIBOBJ], [
AS_LITERAL_IF([$1], [gltests_LIBSOURCES([$1.c])])dnl
gltests_LIBOBJS="$gltests_LIBOBJS $1.$ac_objext"
])
# Like AC_REPLACE_FUNCS, except that the module name goes
# into gltests_LIBOBJS instead of into LIBOBJS.
AC_DEFUN([gltests_REPLACE_FUNCS], [
m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
AC_CHECK_FUNCS([$1], , [gltests_LIBOBJ($ac_func)])
])
# Like AC_LIBSOURCES, except the directory where the source file is
# expected is derived from the gnulib-tool parameterization,
# and alloca is special cased (for the alloca-opt module).
# We could also entirely rely on EXTRA_lib..._SOURCES.
AC_DEFUN([gltests_LIBSOURCES], [
m4_foreach([_gl_NAME], [$1], [
m4_if(_gl_NAME, [alloca.c], [], [
m4_define([gltests_LIBSOURCES_DIR], [tests])
m4_append([gltests_LIBSOURCES_LIST], _gl_NAME, [ ])
])
])
])
# This macro records the list of files which have been installed by
# gnulib-tool and may be removed by future gnulib-tool invocations.
AC_DEFUN([gl_FILE_LIST], [
lib/alloca.in.h
lib/arg-nonnull.h
lib/asnprintf.c
lib/c++defs.h
lib/errno.in.h
lib/float+.h
lib/float.c
lib/float.in.h
lib/fprintf.c
lib/fpucw.h
lib/frexp.c
lib/frexpl.c
lib/fseterr.c
lib/fseterr.h
lib/getrusage.c
lib/isnan.c
lib/isnand-nolibm.h
lib/isnand.c
lib/isnanf-nolibm.h
lib/isnanf.c
lib/isnanl-nolibm.h
lib/isnanl.c
lib/itold.c
lib/limits.in.h
lib/math.c
lib/math.in.h
lib/memchr.c
lib/memchr.valgrind
lib/printf-args.c
lib/printf-args.h
lib/printf-frexp.c
lib/printf-frexp.h
lib/printf-frexpl.c
lib/printf-frexpl.h
lib/printf-parse.c
lib/printf-parse.h
lib/signbitd.c
lib/signbitf.c
lib/signbitl.c
lib/size_max.h
lib/stddef.in.h
lib/stdint.in.h
lib/stdio-impl.h
lib/stdio.in.h
lib/string.in.h
lib/sys_resource.in.h
lib/sys_time.in.h
lib/sys_types.in.h
lib/vasnprintf.c
lib/vasnprintf.h
lib/verify.h
lib/warn-on-use.h
lib/wchar.in.h
lib/xsize.c
lib/xsize.h
m4/00gnulib.m4
m4/absolute-header.m4
m4/alloca.m4
m4/errno_h.m4
m4/exponentd.m4
m4/exponentf.m4
m4/exponentl.m4
m4/extensions.m4
m4/extern-inline.m4
m4/float_h.m4
m4/fpieee.m4
m4/fprintf-posix.m4
m4/frexp.m4
m4/frexpl.m4
m4/fseterr.m4
m4/getrusage.m4
m4/gnulib-common.m4
m4/include_next.m4
m4/intmax_t.m4
m4/inttypes_h.m4
m4/isnand.m4
m4/isnanf.m4
m4/isnanl.m4
m4/ldexpl.m4
m4/limits-h.m4
m4/longlong.m4
m4/math_h.m4
m4/memchr.m4
m4/mmap-anon.m4
m4/multiarch.m4
m4/nocrash.m4
m4/off_t.m4
m4/printf-frexp.m4
m4/printf-frexpl.m4
m4/printf.m4
m4/signbit.m4
m4/size_max.m4
m4/ssize_t.m4
m4/stddef_h.m4
m4/stdint.m4
m4/stdint_h.m4
m4/stdio_h.m4
m4/string_h.m4
m4/sys_resource_h.m4
m4/sys_socket_h.m4
m4/sys_time_h.m4
m4/sys_types_h.m4
m4/vasnprintf.m4
m4/warn-on-use.m4
m4/wchar_h.m4
m4/wchar_t.m4
m4/wint_t.m4
m4/xsize.m4
])

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# gnulib-tool.m4 serial 2
dnl Copyright (C) 2004-2005, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl The following macros need not be invoked explicitly.
dnl Invoking them does nothing except to declare default arguments
dnl for "gnulib-tool --import".
dnl Usage: gl_LOCAL_DIR([DIR])
AC_DEFUN([gl_LOCAL_DIR], [])
dnl Usage: gl_MODULES([module1 module2 ...])
AC_DEFUN([gl_MODULES], [])
dnl Usage: gl_AVOID([module1 module2 ...])
AC_DEFUN([gl_AVOID], [])
dnl Usage: gl_SOURCE_BASE([DIR])
AC_DEFUN([gl_SOURCE_BASE], [])
dnl Usage: gl_M4_BASE([DIR])
AC_DEFUN([gl_M4_BASE], [])
dnl Usage: gl_PO_BASE([DIR])
AC_DEFUN([gl_PO_BASE], [])
dnl Usage: gl_DOC_BASE([DIR])
AC_DEFUN([gl_DOC_BASE], [])
dnl Usage: gl_TESTS_BASE([DIR])
AC_DEFUN([gl_TESTS_BASE], [])
dnl Usage: gl_WITH_TESTS
AC_DEFUN([gl_WITH_TESTS], [])
dnl Usage: gl_LIB([LIBNAME])
AC_DEFUN([gl_LIB], [])
dnl Usage: gl_LGPL or gl_LGPL([VERSION])
AC_DEFUN([gl_LGPL], [])
dnl Usage: gl_MAKEFILE_NAME([FILENAME])
AC_DEFUN([gl_MAKEFILE_NAME], [])
dnl Usage: gl_LIBTOOL
AC_DEFUN([gl_LIBTOOL], [])
dnl Usage: gl_MACRO_PREFIX([PREFIX])
AC_DEFUN([gl_MACRO_PREFIX], [])
dnl Usage: gl_PO_DOMAIN([DOMAIN])
AC_DEFUN([gl_PO_DOMAIN], [])
dnl Usage: gl_VC_FILES([BOOLEAN])
AC_DEFUN([gl_VC_FILES], [])

224
m4/include_next.m4 Normal file
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# include_next.m4 serial 24
dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert and Derek Price.
dnl Sets INCLUDE_NEXT, INCLUDE_NEXT_AS_FIRST_DIRECTIVE, PRAGMA_SYSTEM_HEADER,
dnl and PRAGMA_COLUMNS.
dnl
dnl INCLUDE_NEXT expands to 'include_next' if the compiler supports it, or to
dnl 'include' otherwise.
dnl
dnl INCLUDE_NEXT_AS_FIRST_DIRECTIVE expands to 'include_next' if the compiler
dnl supports it in the special case that it is the first include directive in
dnl the given file, or to 'include' otherwise.
dnl
dnl PRAGMA_SYSTEM_HEADER can be used in files that contain #include_next,
dnl so as to avoid GCC warnings when the gcc option -pedantic is used.
dnl '#pragma GCC system_header' has the same effect as if the file was found
dnl through the include search path specified with '-isystem' options (as
dnl opposed to the search path specified with '-I' options). Namely, gcc
dnl does not warn about some things, and on some systems (Solaris and Interix)
dnl __STDC__ evaluates to 0 instead of to 1. The latter is an undesired side
dnl effect; we are therefore careful to use 'defined __STDC__' or '1' instead
dnl of plain '__STDC__'.
dnl
dnl PRAGMA_COLUMNS can be used in files that override system header files, so
dnl as to avoid compilation errors on HP NonStop systems when the gnulib file
dnl is included by a system header file that does a "#pragma COLUMNS 80" (which
dnl has the effect of truncating the lines of that file and all files that it
dnl includes to 80 columns) and the gnulib file has lines longer than 80
dnl columns.
AC_DEFUN([gl_INCLUDE_NEXT],
[
AC_LANG_PREPROC_REQUIRE()
AC_CACHE_CHECK([whether the preprocessor supports include_next],
[gl_cv_have_include_next],
[rm -rf conftestd1a conftestd1b conftestd2
mkdir conftestd1a conftestd1b conftestd2
dnl IBM C 9.0, 10.1 (original versions, prior to the 2009-01 updates) on
dnl AIX 6.1 support include_next when used as first preprocessor directive
dnl in a file, but not when preceded by another include directive. Check
dnl for this bug by including <stdio.h>.
dnl Additionally, with this same compiler, include_next is a no-op when
dnl used in a header file that was included by specifying its absolute
dnl file name. Despite these two bugs, include_next is used in the
dnl compiler's <math.h>. By virtue of the second bug, we need to use
dnl include_next as well in this case.
cat <<EOF > conftestd1a/conftest.h
#define DEFINED_IN_CONFTESTD1
#include_next <conftest.h>
#ifdef DEFINED_IN_CONFTESTD2
int foo;
#else
#error "include_next doesn't work"
#endif
EOF
cat <<EOF > conftestd1b/conftest.h
#define DEFINED_IN_CONFTESTD1
#include <stdio.h>
#include_next <conftest.h>
#ifdef DEFINED_IN_CONFTESTD2
int foo;
#else
#error "include_next doesn't work"
#endif
EOF
cat <<EOF > conftestd2/conftest.h
#ifndef DEFINED_IN_CONFTESTD1
#error "include_next test doesn't work"
#endif
#define DEFINED_IN_CONFTESTD2
EOF
gl_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2"
dnl We intentionally avoid using AC_LANG_SOURCE here.
AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]],
[gl_cv_have_include_next=yes],
[CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2"
AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]],
[gl_cv_have_include_next=buggy],
[gl_cv_have_include_next=no])
])
CPPFLAGS="$gl_save_CPPFLAGS"
rm -rf conftestd1a conftestd1b conftestd2
])
PRAGMA_SYSTEM_HEADER=
if test $gl_cv_have_include_next = yes; then
INCLUDE_NEXT=include_next
INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
if test -n "$GCC"; then
PRAGMA_SYSTEM_HEADER='#pragma GCC system_header'
fi
else
if test $gl_cv_have_include_next = buggy; then
INCLUDE_NEXT=include
INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
else
INCLUDE_NEXT=include
INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include
fi
fi
AC_SUBST([INCLUDE_NEXT])
AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE])
AC_SUBST([PRAGMA_SYSTEM_HEADER])
AC_CACHE_CHECK([whether system header files limit the line length],
[gl_cv_pragma_columns],
[dnl HP NonStop systems, which define __TANDEM, have this misfeature.
AC_EGREP_CPP([choke me],
[
#ifdef __TANDEM
choke me
#endif
],
[gl_cv_pragma_columns=yes],
[gl_cv_pragma_columns=no])
])
if test $gl_cv_pragma_columns = yes; then
PRAGMA_COLUMNS="#pragma COLUMNS 10000"
else
PRAGMA_COLUMNS=
fi
AC_SUBST([PRAGMA_COLUMNS])
])
# gl_CHECK_NEXT_HEADERS(HEADER1 HEADER2 ...)
# ------------------------------------------
# For each arg foo.h, if #include_next works, define NEXT_FOO_H to be
# '<foo.h>'; otherwise define it to be
# '"///usr/include/foo.h"', or whatever other absolute file name is suitable.
# Also, if #include_next works as first preprocessing directive in a file,
# define NEXT_AS_FIRST_DIRECTIVE_FOO_H to be '<foo.h>'; otherwise define it to
# be
# '"///usr/include/foo.h"', or whatever other absolute file name is suitable.
# That way, a header file with the following line:
# #@INCLUDE_NEXT@ @NEXT_FOO_H@
# or
# #@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_FOO_H@
# behaves (after sed substitution) as if it contained
# #include_next <foo.h>
# even if the compiler does not support include_next.
# The three "///" are to pacify Sun C 5.8, which otherwise would say
# "warning: #include of /usr/include/... may be non-portable".
# Use '""', not '<>', so that the /// cannot be confused with a C99 comment.
# Note: This macro assumes that the header file is not empty after
# preprocessing, i.e. it does not only define preprocessor macros but also
# provides some type/enum definitions or function/variable declarations.
#
# This macro also checks whether each header exists, by invoking
# AC_CHECK_HEADERS_ONCE or AC_CHECK_HEADERS on each argument.
AC_DEFUN([gl_CHECK_NEXT_HEADERS],
[
gl_NEXT_HEADERS_INTERNAL([$1], [check])
])
# gl_NEXT_HEADERS(HEADER1 HEADER2 ...)
# ------------------------------------
# Like gl_CHECK_NEXT_HEADERS, except do not check whether the headers exist.
# This is suitable for headers like <stddef.h> that are standardized by C89
# and therefore can be assumed to exist.
AC_DEFUN([gl_NEXT_HEADERS],
[
gl_NEXT_HEADERS_INTERNAL([$1], [assume])
])
# The guts of gl_CHECK_NEXT_HEADERS and gl_NEXT_HEADERS.
AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
[
AC_REQUIRE([gl_INCLUDE_NEXT])
AC_REQUIRE([AC_CANONICAL_HOST])
m4_if([$2], [check],
[AC_CHECK_HEADERS_ONCE([$1])
])
dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
[AS_VAR_PUSHDEF([gl_next_header],
[gl_cv_next_]m4_defn([gl_HEADER_NAME]))
if test $gl_cv_have_include_next = yes; then
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
else
AC_CACHE_CHECK(
[absolute name of <]m4_defn([gl_HEADER_NAME])[>],
m4_defn([gl_next_header]),
[m4_if([$2], [check],
[AS_VAR_PUSHDEF([gl_header_exists],
[ac_cv_header_]m4_defn([gl_HEADER_NAME]))
if test AS_VAR_GET(gl_header_exists) = yes; then
AS_VAR_POPDEF([gl_header_exists])
])
gl_ABSOLUTE_HEADER_ONE(gl_HEADER_NAME)
AS_VAR_COPY([gl_header], [gl_cv_absolute_]AS_TR_SH(gl_HEADER_NAME))
AS_VAR_SET(gl_next_header, ['"'$gl_header'"'])
m4_if([$2], [check],
[else
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
fi
])
])
fi
AC_SUBST(
AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
[AS_VAR_GET(gl_next_header)])
if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
gl_next_as_first_directive='<'gl_HEADER_NAME'>'
else
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
fi
AC_SUBST(
AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),
[$gl_next_as_first_directive])
AS_VAR_POPDEF([gl_next_header])])
])
# Autoconf 2.68 added warnings for our use of AC_COMPILE_IFELSE;
# this fallback is safe for all earlier autoconf versions.
m4_define_default([AC_LANG_DEFINES_PROVIDED])

67
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# intmax_t.m4 serial 8
dnl Copyright (C) 1997-2004, 2006-2007, 2009-2018 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
AC_PREREQ([2.53])
# Define intmax_t to 'long' or 'long long'
# if it is not already defined in <stdint.h> or <inttypes.h>.
AC_DEFUN([gl_AC_TYPE_INTMAX_T],
[
dnl For simplicity, we assume that a header file defines 'intmax_t' if and
dnl only if it defines 'uintmax_t'.
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
test $ac_cv_type_long_long_int = yes \
&& ac_type='long long' \
|| ac_type='long'
AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
[Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
else
AC_DEFINE([HAVE_INTMAX_T], [1],
[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
fi
])
dnl An alternative would be to explicitly test for 'intmax_t'.
AC_DEFUN([gt_AC_TYPE_INTMAX_T],
[
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stddef.h>
#include <stdlib.h>
#if HAVE_STDINT_H_WITH_UINTMAX
#include <stdint.h>
#endif
#if HAVE_INTTYPES_H_WITH_UINTMAX
#include <inttypes.h>
#endif
]],
[[intmax_t x = -1; return !x;]])],
[gt_cv_c_intmax_t=yes],
[gt_cv_c_intmax_t=no])])
if test $gt_cv_c_intmax_t = yes; then
AC_DEFINE([HAVE_INTMAX_T], [1],
[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
else
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
test $ac_cv_type_long_long_int = yes \
&& ac_type='long long' \
|| ac_type='long'
AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
[Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
fi
])

29
m4/inttypes_h.m4 Normal file
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# inttypes_h.m4 serial 10
dnl Copyright (C) 1997-2004, 2006, 2008-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.
AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
[
AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <inttypes.h>
]],
[[uintmax_t i = (uintmax_t) -1; return !i;]])],
[gl_cv_header_inttypes_h=yes],
[gl_cv_header_inttypes_h=no])])
if test $gl_cv_header_inttypes_h = yes; then
AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
and declares uintmax_t. ])
fi
])

96
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# isnand.m4 serial 11
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check how to get or define isnand().
AC_DEFUN([gl_FUNC_ISNAND],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
ISNAND_LIBM=
gl_HAVE_ISNAND_NO_LIBM
if test $gl_cv_func_isnand_no_libm = no; then
gl_HAVE_ISNAND_IN_LIBM
if test $gl_cv_func_isnand_in_libm = yes; then
ISNAND_LIBM=-lm
fi
fi
dnl The variable gl_func_isnand set here is used by isnan.m4.
if test $gl_cv_func_isnand_no_libm = yes \
|| test $gl_cv_func_isnand_in_libm = yes; then
gl_func_isnand=yes
else
gl_func_isnand=no
HAVE_ISNAND=0
fi
AC_SUBST([ISNAND_LIBM])
])
dnl Check how to get or define isnand() without linking with libm.
AC_DEFUN([gl_FUNC_ISNAND_NO_LIBM],
[
gl_HAVE_ISNAND_NO_LIBM
gl_func_isnand_no_libm=$gl_cv_func_isnand_no_libm
if test $gl_cv_func_isnand_no_libm = yes; then
AC_DEFINE([HAVE_ISNAND_IN_LIBC], [1],
[Define if the isnan(double) function is available in libc.])
fi
])
dnl Prerequisites of replacement isnand definition. It does not need -lm.
AC_DEFUN([gl_PREREQ_ISNAND],
[
AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION])
])
dnl Test whether isnand() can be used with libm.
AC_DEFUN([gl_HAVE_ISNAND_IN_LIBM],
[
AC_CACHE_CHECK([whether isnan(double) can be used with libm],
[gl_cv_func_isnand_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnand
# define isnand(x) __builtin_isnan ((double)(x))
#elif defined isnan
# undef isnand
# define isnand(x) isnan ((double)(x))
#endif
double x;]],
[[return isnand (x);]])],
[gl_cv_func_isnand_in_libm=yes],
[gl_cv_func_isnand_in_libm=no])
LIBS="$save_LIBS"
])
])
AC_DEFUN([gl_HAVE_ISNAND_NO_LIBM],
[
AC_CACHE_CHECK([whether isnan(double) can be used without linking with libm],
[gl_cv_func_isnand_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnand
# define isnand(x) __builtin_isnan ((double)(x))
#else
# undef isnand
# define isnand(x) isnan ((double)(x))
#endif
double x;]],
[[return isnand (x);]])],
[gl_cv_func_isnand_no_libm=yes],
[gl_cv_func_isnand_no_libm=no])
])
])

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# isnanf.m4 serial 15
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check how to get or define isnanf().
AC_DEFUN([gl_FUNC_ISNANF],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
ISNANF_LIBM=
gl_HAVE_ISNANF_NO_LIBM
if test $gl_cv_func_isnanf_no_libm = no; then
gl_HAVE_ISNANF_IN_LIBM
if test $gl_cv_func_isnanf_in_libm = yes; then
ISNANF_LIBM=-lm
fi
fi
dnl The variable gl_func_isnanf set here is used by isnan.m4.
if test $gl_cv_func_isnanf_no_libm = yes \
|| test $gl_cv_func_isnanf_in_libm = yes; then
save_LIBS="$LIBS"
LIBS="$LIBS $ISNANF_LIBM"
gl_ISNANF_WORKS
LIBS="$save_LIBS"
case "$gl_cv_func_isnanf_works" in
*yes) gl_func_isnanf=yes ;;
*) gl_func_isnanf=no; ISNANF_LIBM= ;;
esac
else
gl_func_isnanf=no
fi
if test $gl_func_isnanf != yes; then
HAVE_ISNANF=0
fi
AC_SUBST([ISNANF_LIBM])
])
dnl Check how to get or define isnanf() without linking with libm.
AC_DEFUN([gl_FUNC_ISNANF_NO_LIBM],
[
gl_HAVE_ISNANF_NO_LIBM
if test $gl_cv_func_isnanf_no_libm = yes; then
gl_ISNANF_WORKS
fi
if test $gl_cv_func_isnanf_no_libm = yes \
&& { case "$gl_cv_func_isnanf_works" in
*yes) true;;
*) false;;
esac
}; then
gl_func_isnanf_no_libm=yes
AC_DEFINE([HAVE_ISNANF_IN_LIBC], [1],
[Define if the isnan(float) function is available in libc.])
else
gl_func_isnanf_no_libm=no
fi
])
dnl Prerequisites of replacement isnanf definition. It does not need -lm.
AC_DEFUN([gl_PREREQ_ISNANF],
[
gl_FLOAT_EXPONENT_LOCATION
])
dnl Test whether isnanf() can be used without libm.
AC_DEFUN([gl_HAVE_ISNANF_NO_LIBM],
[
AC_CACHE_CHECK([whether isnan(float) can be used without linking with libm],
[gl_cv_func_isnanf_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnanf
# define isnanf(x) __builtin_isnanf ((float)(x))
#elif defined isnan
# undef isnanf
# define isnanf(x) isnan ((float)(x))
#endif
float x;]],
[[return isnanf (x);]])],
[gl_cv_func_isnanf_no_libm=yes],
[gl_cv_func_isnanf_no_libm=no])
])
])
dnl Test whether isnanf() can be used with libm.
AC_DEFUN([gl_HAVE_ISNANF_IN_LIBM],
[
AC_CACHE_CHECK([whether isnan(float) can be used with libm],
[gl_cv_func_isnanf_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnanf
# define isnanf(x) __builtin_isnanf ((float)(x))
#elif defined isnan
# undef isnanf
# define isnanf(x) isnan ((float)(x))
#endif
float x;]],
[[return isnanf (x);]])],
[gl_cv_func_isnanf_in_libm=yes],
[gl_cv_func_isnanf_in_libm=no])
LIBS="$save_LIBS"
])
])
dnl Test whether isnanf() rejects Infinity (this fails on Solaris 2.5.1),
dnl recognizes a NaN (this fails on IRIX 6.5 with cc), and recognizes a NaN
dnl with in-memory representation 0x7fbfffff (this fails on IRIX 6.5).
AC_DEFUN([gl_ISNANF_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([gl_FLOAT_EXPONENT_LOCATION])
AC_CACHE_CHECK([whether isnan(float) works], [gl_cv_func_isnanf_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <math.h>
#if __GNUC__ >= 4
# undef isnanf
# define isnanf(x) __builtin_isnanf ((float)(x))
#elif defined isnan
# undef isnanf
# define isnanf(x) isnan ((float)(x))
#endif
/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
#ifdef __DECC
static float
NaN ()
{
static float zero = 0.0f;
return zero / zero;
}
#else
# define NaN() (0.0f / 0.0f)
#endif
#define NWORDS \
((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { unsigned int word[NWORDS]; float value; } memory_float;
int main()
{
int result = 0;
if (isnanf (1.0f / 0.0f))
result |= 1;
if (!isnanf (NaN ()))
result |= 2;
#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT
/* The isnanf function should be immune against changes in the sign bit and
in the mantissa bits. The xor operation twiddles a bit that can only be
a sign bit or a mantissa bit. */
if (FLT_EXPBIT0_WORD == 0 && FLT_EXPBIT0_BIT > 0)
{
memory_float m;
m.value = NaN ();
/* Set the bits below the exponent to 01111...111. */
m.word[0] &= -1U << FLT_EXPBIT0_BIT;
m.word[0] |= 1U << (FLT_EXPBIT0_BIT - 1) - 1;
if (!isnanf (m.value))
result |= 4;
}
#endif
return result;
}]])],
[gl_cv_func_isnanf_works=yes],
[gl_cv_func_isnanf_works=no],
[case "$host_os" in
irix* | solaris*) gl_cv_func_isnanf_works="guessing no" ;;
mingw*) # Guess yes on mingw, no on MSVC.
AC_EGREP_CPP([Known], [
#ifdef __MINGW32__
Known
#endif
],
[gl_cv_func_isnanf_works="guessing yes"],
[gl_cv_func_isnanf_works="guessing no"])
;;
*) gl_cv_func_isnanf_works="guessing yes" ;;
esac
])
])
])

248
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# isnanl.m4 serial 20
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_ISNANL],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
ISNANL_LIBM=
gl_HAVE_ISNANL_NO_LIBM
if test $gl_cv_func_isnanl_no_libm = no; then
gl_HAVE_ISNANL_IN_LIBM
if test $gl_cv_func_isnanl_in_libm = yes; then
ISNANL_LIBM=-lm
fi
fi
dnl The variable gl_func_isnanl set here is used by isnan.m4.
if test $gl_cv_func_isnanl_no_libm = yes \
|| test $gl_cv_func_isnanl_in_libm = yes; then
save_LIBS="$LIBS"
LIBS="$LIBS $ISNANL_LIBM"
gl_FUNC_ISNANL_WORKS
LIBS="$save_LIBS"
case "$gl_cv_func_isnanl_works" in
*yes) gl_func_isnanl=yes ;;
*) gl_func_isnanl=no; ISNANL_LIBM= ;;
esac
else
gl_func_isnanl=no
fi
if test $gl_func_isnanl != yes; then
HAVE_ISNANL=0
fi
AC_SUBST([ISNANL_LIBM])
])
AC_DEFUN([gl_FUNC_ISNANL_NO_LIBM],
[
gl_HAVE_ISNANL_NO_LIBM
gl_func_isnanl_no_libm=$gl_cv_func_isnanl_no_libm
if test $gl_func_isnanl_no_libm = yes; then
gl_FUNC_ISNANL_WORKS
case "$gl_cv_func_isnanl_works" in
*yes) ;;
*) gl_func_isnanl_no_libm=no ;;
esac
fi
if test $gl_func_isnanl_no_libm = yes; then
AC_DEFINE([HAVE_ISNANL_IN_LIBC], [1],
[Define if the isnan(long double) function is available in libc.])
fi
])
dnl Prerequisites of replacement isnanl definition. It does not need -lm.
AC_DEFUN([gl_PREREQ_ISNANL],
[
gl_LONG_DOUBLE_EXPONENT_LOCATION
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
])
dnl Test whether isnanl() can be used without libm.
AC_DEFUN([gl_HAVE_ISNANL_NO_LIBM],
[
AC_CACHE_CHECK([whether isnan(long double) can be used without linking with libm],
[gl_cv_func_isnanl_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnanl
# define isnanl(x) __builtin_isnanl ((long double)(x))
#elif defined isnan
# undef isnanl
# define isnanl(x) isnan ((long double)(x))
#endif
long double x;]],
[[return isnanl (x);]])],
[gl_cv_func_isnanl_no_libm=yes],
[gl_cv_func_isnanl_no_libm=no])
])
])
dnl Test whether isnanl() can be used with libm.
AC_DEFUN([gl_HAVE_ISNANL_IN_LIBM],
[
AC_CACHE_CHECK([whether isnan(long double) can be used with libm],
[gl_cv_func_isnanl_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnanl
# define isnanl(x) __builtin_isnanl ((long double)(x))
#elif defined isnan
# undef isnanl
# define isnanl(x) isnan ((long double)(x))
#endif
long double x;]],
[[return isnanl (x);]])],
[gl_cv_func_isnanl_in_libm=yes],
[gl_cv_func_isnanl_in_libm=no])
LIBS="$save_LIBS"
])
])
dnl Test whether isnanl() recognizes all canonical numbers which are neither
dnl finite nor infinite.
AC_DEFUN([gl_FUNC_ISNANL_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gl_BIGENDIAN])
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether isnanl works], [gl_cv_func_isnanl_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <float.h>
#include <limits.h>
#include <math.h>
#if __GNUC__ >= 4
# undef isnanl
# define isnanl(x) __builtin_isnanl ((long double)(x))
#elif defined isnan
# undef isnanl
# define isnanl(x) isnan ((long double)(x))
#endif
#define NWORDS \
((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { unsigned int word[NWORDS]; long double value; }
memory_long_double;
/* On Irix 6.5, gcc 3.4.3 can't compute compile-time NaN, and needs the
runtime type conversion. */
#ifdef __sgi
static long double NaNl ()
{
double zero = 0.0;
return zero / zero;
}
#else
# define NaNl() (0.0L / 0.0L)
#endif
int main ()
{
int result = 0;
if (!isnanl (NaNl ()))
result |= 1;
{
memory_long_double m;
unsigned int i;
/* The isnanl function should be immune against changes in the sign bit and
in the mantissa bits. The xor operation twiddles a bit that can only be
a sign bit or a mantissa bit (since the exponent never extends to
bit 31). */
m.value = NaNl ();
m.word[NWORDS / 2] ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1);
for (i = 0; i < NWORDS; i++)
m.word[i] |= 1;
if (!isnanl (m.value))
result |= 1;
}
#if ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
# ifdef WORDS_BIGENDIAN
# define LDBL80_WORDS(exponent,manthi,mantlo) \
{ ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16), \
(unsigned int) (mantlo) << 16 \
}
# else
# define LDBL80_WORDS(exponent,manthi,mantlo) \
{ mantlo, manthi, exponent }
# endif
{ /* Quiet NaN. */
static memory_long_double x =
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
if (!isnanl (x.value))
result |= 2;
}
{
/* Signalling NaN. */
static memory_long_double x =
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
if (!isnanl (x.value))
result |= 2;
}
/* isnanl should return something even for noncanonical values. */
{ /* Pseudo-NaN. */
static memory_long_double x =
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
if (isnanl (x.value) && !isnanl (x.value))
result |= 4;
}
{ /* Pseudo-Infinity. */
static memory_long_double x =
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
if (isnanl (x.value) && !isnanl (x.value))
result |= 8;
}
{ /* Pseudo-Zero. */
static memory_long_double x =
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
if (isnanl (x.value) && !isnanl (x.value))
result |= 16;
}
{ /* Unnormalized number. */
static memory_long_double x =
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
if (isnanl (x.value) && !isnanl (x.value))
result |= 32;
}
{ /* Pseudo-Denormal. */
static memory_long_double x =
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
if (isnanl (x.value) && !isnanl (x.value))
result |= 64;
}
#endif
return result;
}]])],
[gl_cv_func_isnanl_works=yes],
[gl_cv_func_isnanl_works=no],
[case "$host_os" in
mingw*) # Guess yes on mingw, no on MSVC.
AC_EGREP_CPP([Known], [
#ifdef __MINGW32__
Known
#endif
],
[gl_cv_func_isnanl_works="guessing yes"],
[gl_cv_func_isnanl_works="guessing no"])
;;
*) gl_cv_func_isnanl_works="guessing yes" ;;
esac
])
])
])

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# ldexpl.m4 serial 17
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_LDEXPL],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
AC_REQUIRE([gl_FUNC_ISNANL]) dnl for ISNANL_LIBM
dnl Persuade glibc <math.h> to declare ldexpl().
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
dnl Check whether it's declared.
dnl Mac OS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>.
AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]])
LDEXPL_LIBM=
if test $HAVE_DECL_LDEXPL = 1; then
gl_CHECK_LDEXPL_NO_LIBM
if test $gl_cv_func_ldexpl_no_libm = no; then
AC_CACHE_CHECK([whether ldexpl() can be used with libm],
[gl_cv_func_ldexpl_in_libm],
[
save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
long double x;]],
[[return ldexpl (x, -1) > 0;]])],
[gl_cv_func_ldexpl_in_libm=yes],
[gl_cv_func_ldexpl_in_libm=no])
LIBS="$save_LIBS"
])
if test $gl_cv_func_ldexpl_in_libm = yes; then
LDEXPL_LIBM=-lm
fi
fi
if test $gl_cv_func_ldexpl_no_libm = yes \
|| test $gl_cv_func_ldexpl_in_libm = yes; then
save_LIBS="$LIBS"
LIBS="$LIBS $LDEXPL_LIBM"
gl_FUNC_LDEXPL_WORKS
LIBS="$save_LIBS"
case "$gl_cv_func_ldexpl_works" in
*yes) gl_func_ldexpl=yes ;;
*) gl_func_ldexpl=no; REPLACE_LDEXPL=1 ;;
esac
else
gl_func_ldexpl=no
fi
if test $gl_func_ldexpl = yes; then
AC_DEFINE([HAVE_LDEXPL], [1],
[Define if the ldexpl() function is available.])
fi
fi
if test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; then
dnl Find libraries needed to link lib/ldexpl.c.
if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then
AC_REQUIRE([gl_FUNC_LDEXP])
LDEXPL_LIBM="$LDEXP_LIBM"
else
LDEXPL_LIBM="$ISNANL_LIBM"
fi
fi
AC_SUBST([LDEXPL_LIBM])
])
dnl Test whether ldexpl() can be used without linking with libm.
dnl Set gl_cv_func_ldexpl_no_libm to 'yes' or 'no' accordingly.
AC_DEFUN([gl_CHECK_LDEXPL_NO_LIBM],
[
AC_CACHE_CHECK([whether ldexpl() can be used without linking with libm],
[gl_cv_func_ldexpl_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
long double x;]],
[[return ldexpl (x, -1) > 0;]])],
[gl_cv_func_ldexpl_no_libm=yes],
[gl_cv_func_ldexpl_no_libm=no])
])
])
dnl Test whether ldexpl() works on finite numbers (this fails on AIX 5.1
dnl and Mac OS X 10.4/PowerPC).
AC_DEFUN([gl_FUNC_LDEXPL_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether ldexpl works], [gl_cv_func_ldexpl_works],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <math.h>
extern
#ifdef __cplusplus
"C"
#endif
long double ldexpl (long double, int);
int main()
{
int result = 0;
{
volatile long double x = 1.0;
volatile long double y = ldexpl (x, -1);
if (y != 0.5L)
result |= 1;
}
{
volatile long double x = 1.73205L;
volatile long double y = ldexpl (x, 0);
if (y != x)
result |= 2;
}
return result;
}]])],
[gl_cv_func_ldexpl_works=yes],
[gl_cv_func_ldexpl_works=no],
[
changequote(,)dnl
case "$host_os" in
aix | aix[3-6]*) gl_cv_func_ldexpl_works="guessing no" ;;
# Guess yes on native Windows.
mingw*) gl_cv_func_ldexpl_works="guessing yes" ;;
*) gl_cv_func_ldexpl_works="guessing yes" ;;
esac
changequote([,])dnl
])
])
])

31
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@ -0,0 +1,31 @@
dnl Check whether limits.h has needed features.
dnl Copyright 2016-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
AC_DEFUN_ONCE([gl_LIMITS_H],
[
gl_CHECK_NEXT_HEADERS([limits.h])
AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
[gl_cv_header_limits_width],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
#define __STDC_WANT_IEC_60559_BFP_EXT__ 1
#endif
#include <limits.h>
int ullw = ULLONG_WIDTH;]])],
[gl_cv_header_limits_width=yes],
[gl_cv_header_limits_width=no])])
if test "$gl_cv_header_limits_width" = yes; then
LIMITS_H=
else
LIMITS_H=limits.h
fi
AC_SUBST([LIMITS_H])
AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
])

113
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# longlong.m4 serial 17
dnl Copyright (C) 1999-2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
# Define HAVE_LONG_LONG_INT if 'long long int' works.
# This fixes a bug in Autoconf 2.61, and can be faster
# than what's in Autoconf 2.62 through 2.68.
# Note: If the type 'long long int' exists but is only 32 bits large
# (as on some very old compilers), HAVE_LONG_LONG_INT will not be
# defined. In this case you can treat 'long long int' like 'long int'.
AC_DEFUN([AC_TYPE_LONG_LONG_INT],
[
AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
[ac_cv_type_long_long_int=yes
if test "x${ac_cv_prog_cc_c99-no}" = xno; then
ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
if test $ac_cv_type_long_long_int = yes; then
dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
dnl If cross compiling, assume the bug is not important, since
dnl nobody cross compiles for this platform as far as we know.
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[@%:@include <limits.h>
@%:@ifndef LLONG_MAX
@%:@ define HALF \
(1LL << (sizeof (long long int) * CHAR_BIT - 2))
@%:@ define LLONG_MAX (HALF - 1 + HALF)
@%:@endif]],
[[long long int n = 1;
int i;
for (i = 0; ; i++)
{
long long int m = n << i;
if (m >> i != n)
return 1;
if (LLONG_MAX / 2 < m)
break;
}
return 0;]])],
[],
[ac_cv_type_long_long_int=no],
[:])
fi
fi])
if test $ac_cv_type_long_long_int = yes; then
AC_DEFINE([HAVE_LONG_LONG_INT], [1],
[Define to 1 if the system has the type 'long long int'.])
fi
])
# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
# This fixes a bug in Autoconf 2.61, and can be faster
# than what's in Autoconf 2.62 through 2.68.
# Note: If the type 'unsigned long long int' exists but is only 32 bits
# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
# will not be defined. In this case you can treat 'unsigned long long int'
# like 'unsigned long int'.
AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
[
AC_CACHE_CHECK([for unsigned long long int],
[ac_cv_type_unsigned_long_long_int],
[ac_cv_type_unsigned_long_long_int=yes
if test "x${ac_cv_prog_cc_c99-no}" = xno; then
AC_LINK_IFELSE(
[_AC_TYPE_LONG_LONG_SNIPPET],
[],
[ac_cv_type_unsigned_long_long_int=no])
fi])
if test $ac_cv_type_unsigned_long_long_int = yes; then
AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
[Define to 1 if the system has the type 'unsigned long long int'.])
fi
])
# Expands to a C program that can be used to test for simultaneous support
# of 'long long' and 'unsigned long long'. We don't want to say that
# 'long long' is available if 'unsigned long long' is not, or vice versa,
# because too many programs rely on the symmetry between signed and unsigned
# integer types (excluding 'bool').
AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
[
AC_LANG_PROGRAM(
[[/* For now, do not test the preprocessor; as of 2007 there are too many
implementations with broken preprocessors. Perhaps this can
be revisited in 2012. In the meantime, code should not expect
#if to work with literals wider than 32 bits. */
/* Test literals. */
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
unsigned long long int ull = 18446744073709551615ULL;
/* Test constant expressions. */
typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
? 1 : -1)];
typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
? 1 : -1)];
int i = 63;]],
[[/* Test availability of runtime routines for shift and division. */
long long int llmax = 9223372036854775807ll;
unsigned long long int ullmax = 18446744073709551615ull;
return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
| (llmax / ll) | (llmax % ll)
| (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
| (ullmax / ull) | (ullmax % ull));]])
])

366
m4/math_h.m4 Normal file
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# math_h.m4 serial 116
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_MATH_H],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
gl_CHECK_NEXT_HEADERS([math.h])
AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
[[/* Solaris 10 has a broken definition of NAN. Other platforms
fail to provide NAN, or provide it only in C99 mode; this
test only needs to fail when NAN is provided but wrong. */
float f = 1.0f;
#ifdef NAN
f = NAN;
#endif
return f == 0;]])],
[gl_cv_header_math_nan_works=yes],
[gl_cv_header_math_nan_works=no])])
if test $gl_cv_header_math_nan_works = no; then
REPLACE_NAN=1
fi
AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
[[/* Solaris 10 has a broken definition of HUGE_VAL. */
double d = HUGE_VAL;
return d == 0;]])],
[gl_cv_header_math_huge_val_works=yes],
[gl_cv_header_math_huge_val_works=no])])
if test $gl_cv_header_math_huge_val_works = no; then
REPLACE_HUGE_VAL=1
fi
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[#include <math.h>]],
[acosf acosl asinf asinl atanf atanl
cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf
expf expl exp2 exp2f exp2l expm1 expm1f expm1l
fabsf fabsl floorf floorl fma fmaf fmal
fmod fmodf fmodl frexpf frexpl hypotf hypotl
ilogb ilogbf ilogbl
ldexpf ldexpl
log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l
logb logbf logbl
modf modff modfl powf
remainder remainderf remainderl
rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl
tanf tanl tanhf trunc truncf truncl])
])
AC_DEFUN([gl_MATH_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_MATH_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
dnl Define it also as a C macro, for the benefit of the unit tests.
gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_MATH_H_DEFAULTS],
[
GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF])
GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL])
GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF])
GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL])
GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF])
GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL])
GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F])
GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT])
GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF])
GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL])
GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL])
GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF])
GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL])
GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN])
GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF])
GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL])
GNULIB_COSF=0; AC_SUBST([GNULIB_COSF])
GNULIB_COSL=0; AC_SUBST([GNULIB_COSL])
GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF])
GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF])
GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL])
GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2])
GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F])
GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L])
GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1])
GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F])
GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L])
GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF])
GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL])
GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR])
GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF])
GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL])
GNULIB_FMA=0; AC_SUBST([GNULIB_FMA])
GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF])
GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL])
GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD])
GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF])
GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL])
GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF])
GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP])
GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL])
GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT])
GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF])
GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL])
GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB])
GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF])
GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL])
GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF])
GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN])
GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF])
GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND])
GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL])
GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF])
GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL])
GNULIB_LOG=0; AC_SUBST([GNULIB_LOG])
GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF])
GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL])
GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10])
GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F])
GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L])
GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P])
GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF])
GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL])
GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2])
GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F])
GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L])
GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB])
GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF])
GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL])
GNULIB_MODF=0; AC_SUBST([GNULIB_MODF])
GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF])
GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL])
GNULIB_POWF=0; AC_SUBST([GNULIB_POWF])
GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER])
GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF])
GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL])
GNULIB_RINT=0; AC_SUBST([GNULIB_RINT])
GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF])
GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL])
GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND])
GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF])
GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL])
GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT])
GNULIB_SINF=0; AC_SUBST([GNULIB_SINF])
GNULIB_SINL=0; AC_SUBST([GNULIB_SINL])
GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF])
GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF])
GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL])
GNULIB_TANF=0; AC_SUBST([GNULIB_TANF])
GNULIB_TANL=0; AC_SUBST([GNULIB_TANL])
GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF])
GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC])
GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF])
GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF])
HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL])
HAVE_ASINF=1; AC_SUBST([HAVE_ASINF])
HAVE_ASINL=1; AC_SUBST([HAVE_ASINL])
HAVE_ATANF=1; AC_SUBST([HAVE_ATANF])
HAVE_ATANL=1; AC_SUBST([HAVE_ATANL])
HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F])
HAVE_CBRT=1; AC_SUBST([HAVE_CBRT])
HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF])
HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL])
HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN])
HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL])
HAVE_COSF=1; AC_SUBST([HAVE_COSF])
HAVE_COSL=1; AC_SUBST([HAVE_COSL])
HAVE_COSHF=1; AC_SUBST([HAVE_COSHF])
HAVE_EXPF=1; AC_SUBST([HAVE_EXPF])
HAVE_EXPL=1; AC_SUBST([HAVE_EXPL])
HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1])
HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F])
HAVE_FABSF=1; AC_SUBST([HAVE_FABSF])
HAVE_FABSL=1; AC_SUBST([HAVE_FABSL])
HAVE_FMA=1; AC_SUBST([HAVE_FMA])
HAVE_FMAF=1; AC_SUBST([HAVE_FMAF])
HAVE_FMAL=1; AC_SUBST([HAVE_FMAL])
HAVE_FMODF=1; AC_SUBST([HAVE_FMODF])
HAVE_FMODL=1; AC_SUBST([HAVE_FMODL])
HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF])
HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF])
HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL])
HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB])
HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF])
HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL])
HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF])
HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND])
HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL])
HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF])
HAVE_LOGF=1; AC_SUBST([HAVE_LOGF])
HAVE_LOGL=1; AC_SUBST([HAVE_LOGL])
HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F])
HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L])
HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P])
HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF])
HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL])
HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF])
HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL])
HAVE_MODFF=1; AC_SUBST([HAVE_MODFF])
HAVE_MODFL=1; AC_SUBST([HAVE_MODFL])
HAVE_POWF=1; AC_SUBST([HAVE_POWF])
HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER])
HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF])
HAVE_RINT=1; AC_SUBST([HAVE_RINT])
HAVE_RINTL=1; AC_SUBST([HAVE_RINTL])
HAVE_SINF=1; AC_SUBST([HAVE_SINF])
HAVE_SINL=1; AC_SUBST([HAVE_SINL])
HAVE_SINHF=1; AC_SUBST([HAVE_SINHF])
HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF])
HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL])
HAVE_TANF=1; AC_SUBST([HAVE_TANF])
HAVE_TANL=1; AC_SUBST([HAVE_TANL])
HAVE_TANHF=1; AC_SUBST([HAVE_TANHF])
HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL])
HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL])
HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL])
HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF])
HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL])
HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF])
HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL])
HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF])
HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL])
HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL])
HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2])
HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F])
HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L])
HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L])
HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF])
HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL])
HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL])
HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL])
HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL])
HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L])
HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2])
HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F])
HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L])
HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB])
HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER])
HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL])
HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF])
HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND])
HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF])
HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL])
HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL])
HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL])
HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL])
HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC])
HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF])
HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL])
REPLACE_ACOSF=0; AC_SUBST([REPLACE_ACOSF])
REPLACE_ASINF=0; AC_SUBST([REPLACE_ASINF])
REPLACE_ATANF=0; AC_SUBST([REPLACE_ATANF])
REPLACE_ATAN2F=0; AC_SUBST([REPLACE_ATAN2F])
REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF])
REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL])
REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL])
REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF])
REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL])
REPLACE_COSF=0; AC_SUBST([REPLACE_COSF])
REPLACE_COSHF=0; AC_SUBST([REPLACE_COSHF])
REPLACE_EXPF=0; AC_SUBST([REPLACE_EXPF])
REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1])
REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F])
REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2])
REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L])
REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL])
REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR])
REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF])
REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL])
REPLACE_FMA=0; AC_SUBST([REPLACE_FMA])
REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF])
REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL])
REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD])
REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF])
REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL])
REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF])
REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP])
REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL])
REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL])
REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT])
REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF])
REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL])
REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB])
REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF])
REPLACE_ILOGBL=0; AC_SUBST([REPLACE_ILOGBL])
REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE])
REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF])
REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN])
REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL])
REPLACE_LOG=0; AC_SUBST([REPLACE_LOG])
REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF])
REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL])
REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10])
REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F])
REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L])
REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P])
REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF])
REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL])
REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2])
REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F])
REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L])
REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB])
REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF])
REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL])
REPLACE_MODF=0; AC_SUBST([REPLACE_MODF])
REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF])
REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL])
REPLACE_NAN=0; AC_SUBST([REPLACE_NAN])
REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER])
REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF])
REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL])
REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND])
REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF])
REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL])
REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT])
REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])
REPLACE_SINF=0; AC_SUBST([REPLACE_SINF])
REPLACE_SINHF=0; AC_SUBST([REPLACE_SINHF])
REPLACE_SQRTF=0; AC_SUBST([REPLACE_SQRTF])
REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL])
REPLACE_TANF=0; AC_SUBST([REPLACE_TANF])
REPLACE_TANHF=0; AC_SUBST([REPLACE_TANHF])
REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC])
REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF])
REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL])
])
# gl_LONG_DOUBLE_VS_DOUBLE
# determines whether 'long double' and 'double' have the same representation.
# Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines
# HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly.
# The currently known platforms where this is the case are:
# Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9.
AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE],
[
AC_CACHE_CHECK([whether long double and double are the same],
[gl_cv_long_double_equals_double],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <float.h>]],
[[typedef int check[sizeof (long double) == sizeof (double)
&& LDBL_MANT_DIG == DBL_MANT_DIG
&& LDBL_MAX_EXP == DBL_MAX_EXP
&& LDBL_MIN_EXP == DBL_MIN_EXP
? 1 : -1];
]])],
[gl_cv_long_double_equals_double=yes],
[gl_cv_long_double_equals_double=no])
])
if test $gl_cv_long_double_equals_double = yes; then
AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1],
[Define to 1 if 'long double' and 'double' have the same representation.])
HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1
else
HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0
fi
AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE])
])

99
m4/memchr.m4 Normal file
View file

@ -0,0 +1,99 @@
# memchr.m4 serial 13
dnl Copyright (C) 2002-2004, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN_ONCE([gl_FUNC_MEMCHR],
[
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
dnl Check for prerequisites for memory fence checks.
gl_FUNC_MMAP_ANON
AC_CHECK_HEADERS_ONCE([sys/mman.h])
AC_CHECK_FUNCS_ONCE([mprotect])
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
m4_ifdef([gl_FUNC_MEMCHR_OBSOLETE], [
dnl These days, we assume memchr is present. But if support for old
dnl platforms is desired:
AC_CHECK_FUNCS_ONCE([memchr])
if test $ac_cv_func_memchr = no; then
HAVE_MEMCHR=0
fi
])
if test $HAVE_MEMCHR = 1; then
# Detect platform-specific bugs in some versions of glibc:
# memchr should not dereference anything with length 0
# https://bugzilla.redhat.com/show_bug.cgi?id=499689
# memchr should not dereference overestimated length after a match
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737
# https://sourceware.org/bugzilla/show_bug.cgi?id=10162
# Assume that memchr works on platforms that lack mprotect.
AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <string.h>
#if HAVE_SYS_MMAN_H
# include <fcntl.h>
# include <unistd.h>
# include <sys/types.h>
# include <sys/mman.h>
# ifndef MAP_FILE
# define MAP_FILE 0
# endif
#endif
]], [[
int result = 0;
char *fence = NULL;
#if HAVE_SYS_MMAN_H && HAVE_MPROTECT
# if HAVE_MAP_ANONYMOUS
const int flags = MAP_ANONYMOUS | MAP_PRIVATE;
const int fd = -1;
# else /* !HAVE_MAP_ANONYMOUS */
const int flags = MAP_FILE | MAP_PRIVATE;
int fd = open ("/dev/zero", O_RDONLY, 0666);
if (fd >= 0)
# endif
{
int pagesize = getpagesize ();
char *two_pages =
(char *) mmap (NULL, 2 * pagesize, PROT_READ | PROT_WRITE,
flags, fd, 0);
if (two_pages != (char *)(-1)
&& mprotect (two_pages + pagesize, pagesize, PROT_NONE) == 0)
fence = two_pages + pagesize;
}
#endif
if (fence)
{
if (memchr (fence, 0, 0))
result |= 1;
strcpy (fence - 9, "12345678");
if (memchr (fence - 9, 0, 79) != fence - 1)
result |= 2;
if (memchr (fence - 1, 0, 3) != fence - 1)
result |= 4;
}
return result;
]])],
[gl_cv_func_memchr_works=yes],
[gl_cv_func_memchr_works=no],
[case "$host_os" in
# Guess yes on native Windows.
mingw*) gl_cv_func_memchr_works="guessing yes" ;;
# Be pessimistic for now.
*) gl_cv_func_memchr_works="guessing no" ;;
esac
])
])
case "$gl_cv_func_memchr_works" in
*yes) ;;
*) REPLACE_MEMCHR=1 ;;
esac
fi
])
# Prerequisites of lib/memchr.c.
AC_DEFUN([gl_PREREQ_MEMCHR], [
AC_CHECK_HEADERS([bp-sym.h])
])

55
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# mmap-anon.m4 serial 10
dnl Copyright (C) 2005, 2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# Detect how mmap can be used to create anonymous (not file-backed) memory
# mappings.
# - On Linux, AIX, OSF/1, Solaris, Cygwin, Interix, Haiku, both MAP_ANONYMOUS
# and MAP_ANON exist and have the same value.
# - On HP-UX, only MAP_ANONYMOUS exists.
# - On Mac OS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists.
# - On IRIX, neither exists, and a file descriptor opened to /dev/zero must be
# used.
AC_DEFUN([gl_FUNC_MMAP_ANON],
[
dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
# Check for mmap(). Don't use AC_FUNC_MMAP, because it checks too much: it
# fails on HP-UX 11, because MAP_FIXED mappings do not work. But this is
# irrelevant for anonymous mappings.
AC_CHECK_FUNC([mmap], [gl_have_mmap=yes], [gl_have_mmap=no])
# Try to allow MAP_ANONYMOUS.
gl_have_mmap_anonymous=no
if test $gl_have_mmap = yes; then
AC_MSG_CHECKING([for MAP_ANONYMOUS])
AC_EGREP_CPP([I cannot identify this map], [
#include <sys/mman.h>
#ifdef MAP_ANONYMOUS
I cannot identify this map
#endif
],
[gl_have_mmap_anonymous=yes])
if test $gl_have_mmap_anonymous != yes; then
AC_EGREP_CPP([I cannot identify this map], [
#include <sys/mman.h>
#ifdef MAP_ANON
I cannot identify this map
#endif
],
[AC_DEFINE([MAP_ANONYMOUS], [MAP_ANON],
[Define to a substitute value for mmap()'s MAP_ANONYMOUS flag.])
gl_have_mmap_anonymous=yes])
fi
AC_MSG_RESULT([$gl_have_mmap_anonymous])
if test $gl_have_mmap_anonymous = yes; then
AC_DEFINE([HAVE_MAP_ANONYMOUS], [1],
[Define to 1 if mmap()'s MAP_ANONYMOUS flag is available after including
config.h and <sys/mman.h>.])
fi
fi
])

62
m4/multiarch.m4 Normal file
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# multiarch.m4 serial 7
dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# Determine whether the compiler is or may be producing universal binaries.
#
# On Mac OS X 10.5 and later systems, the user can create libraries and
# executables that work on multiple system types--known as "fat" or
# "universal" binaries--by specifying multiple '-arch' options to the
# compiler but only a single '-arch' option to the preprocessor. Like
# this:
#
# ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
# CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
# CPP="gcc -E" CXXCPP="g++ -E"
#
# Detect this situation and set APPLE_UNIVERSAL_BUILD accordingly.
AC_DEFUN_ONCE([gl_MULTIARCH],
[
dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN.
gl_cv_c_multiarch=no
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#ifndef __APPLE_CC__
not a universal capable compiler
#endif
typedef int dummy;
]])],
[
dnl Check for potential -arch flags. It is not universal unless
dnl there are at least two -arch flags with different values.
arch=
prev=
for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do
if test -n "$prev"; then
case $word in
i?86 | x86_64 | ppc | ppc64)
if test -z "$arch" || test "$arch" = "$word"; then
arch="$word"
else
gl_cv_c_multiarch=yes
fi
;;
esac
prev=
else
if test "x$word" = "x-arch"; then
prev=arch
fi
fi
done
])
if test $gl_cv_c_multiarch = yes; then
APPLE_UNIVERSAL_BUILD=1
else
APPLE_UNIVERSAL_BUILD=0
fi
AC_SUBST([APPLE_UNIVERSAL_BUILD])
])

131
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# nocrash.m4 serial 5
dnl Copyright (C) 2005, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Based on libsigsegv, from Bruno Haible and Paolo Bonzini.
AC_PREREQ([2.13])
dnl Expands to some code for use in .c programs that will cause the configure
dnl test to exit instead of crashing. This is useful to avoid triggering
dnl action from a background debugger and to avoid core dumps.
dnl Usage: ...
dnl ]GL_NOCRASH[
dnl ...
dnl int main() { nocrash_init(); ... }
AC_DEFUN([GL_NOCRASH],[[
#include <stdlib.h>
#if defined __MACH__ && defined __APPLE__
/* Avoid a crash on Mac OS X. */
#include <mach/mach.h>
#include <mach/mach_error.h>
#include <mach/thread_status.h>
#include <mach/exception.h>
#include <mach/task.h>
#include <pthread.h>
/* The exception port on which our thread listens. */
static mach_port_t our_exception_port;
/* The main function of the thread listening for exceptions of type
EXC_BAD_ACCESS. */
static void *
mach_exception_thread (void *arg)
{
/* Buffer for a message to be received. */
struct {
mach_msg_header_t head;
mach_msg_body_t msgh_body;
char data[1024];
} msg;
mach_msg_return_t retval;
/* Wait for a message on the exception port. */
retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, sizeof (msg),
our_exception_port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
if (retval != MACH_MSG_SUCCESS)
abort ();
exit (1);
}
static void
nocrash_init (void)
{
mach_port_t self = mach_task_self ();
/* Allocate a port on which the thread shall listen for exceptions. */
if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
== KERN_SUCCESS) {
/* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */
if (mach_port_insert_right (self, our_exception_port, our_exception_port,
MACH_MSG_TYPE_MAKE_SEND)
== KERN_SUCCESS) {
/* The exceptions we want to catch. Only EXC_BAD_ACCESS is interesting
for us. */
exception_mask_t mask = EXC_MASK_BAD_ACCESS;
/* Create the thread listening on the exception port. */
pthread_attr_t attr;
pthread_t thread;
if (pthread_attr_init (&attr) == 0
&& pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) == 0
&& pthread_create (&thread, &attr, mach_exception_thread, NULL) == 0) {
pthread_attr_destroy (&attr);
/* Replace the exception port info for these exceptions with our own.
Note that we replace the exception port for the entire task, not only
for a particular thread. This has the effect that when our exception
port gets the message, the thread specific exception port has already
been asked, and we don't need to bother about it.
See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */
task_set_exception_ports (self, mask, our_exception_port,
EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
}
}
}
}
#elif defined _WIN32 && ! defined __CYGWIN__
/* Avoid a crash on native Windows. */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winerror.h>
static LONG WINAPI
exception_filter (EXCEPTION_POINTERS *ExceptionInfo)
{
switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
{
case EXCEPTION_ACCESS_VIOLATION:
case EXCEPTION_IN_PAGE_ERROR:
case EXCEPTION_STACK_OVERFLOW:
case EXCEPTION_GUARD_PAGE:
case EXCEPTION_PRIV_INSTRUCTION:
case EXCEPTION_ILLEGAL_INSTRUCTION:
case EXCEPTION_DATATYPE_MISALIGNMENT:
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
exit (1);
}
return EXCEPTION_CONTINUE_SEARCH;
}
static void
nocrash_init (void)
{
SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) exception_filter);
}
#else
/* Avoid a crash on POSIX systems. */
#include <signal.h>
#include <unistd.h>
/* A POSIX signal handler. */
static void
exception_handler (int sig)
{
_exit (1);
}
static void
nocrash_init (void)
{
#ifdef SIGSEGV
signal (SIGSEGV, exception_handler);
#endif
#ifdef SIGBUS
signal (SIGBUS, exception_handler);
#endif
}
#endif
]])

18
m4/off_t.m4 Normal file
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# off_t.m4 serial 1
dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check whether to override the 'off_t' type.
dnl Set WINDOWS_64_BIT_OFF_T.
AC_DEFUN([gl_TYPE_OFF_T],
[
m4_ifdef([gl_LARGEFILE], [
AC_REQUIRE([gl_LARGEFILE])
], [
WINDOWS_64_BIT_OFF_T=0
])
AC_SUBST([WINDOWS_64_BIT_OFF_T])
])

38
m4/printf-frexp.m4 Normal file
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@ -0,0 +1,38 @@
# printf-frexp.m4 serial 5
dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check how to define printf_frexp() without linking with libm.
AC_DEFUN([gl_FUNC_PRINTF_FREXP],
[
AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM])
if test $gl_cv_func_frexp_no_libm = yes; then
gl_FUNC_FREXP_WORKS
case "$gl_cv_func_frexp_works" in
*yes)
AC_DEFINE([HAVE_FREXP_IN_LIBC], [1],
[Define if the frexp function is available in libc.])
;;
esac
fi
AC_CACHE_CHECK([whether ldexp can be used without linking with libm],
[gl_cv_func_ldexp_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
double x;
int y;]],
[[return ldexp (x, y) < 1;]])],
[gl_cv_func_ldexp_no_libm=yes],
[gl_cv_func_ldexp_no_libm=no])
])
if test $gl_cv_func_ldexp_no_libm = yes; then
AC_DEFINE([HAVE_LDEXP_IN_LIBC], [1],
[Define if the ldexp function is available in libc.])
fi
])

48
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# printf-frexpl.m4 serial 10
dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check how to define printf_frexpl() without linking with libm.
AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
dnl Subset of gl_FUNC_FREXPL_NO_LIBM.
gl_CHECK_FREXPL_NO_LIBM
if test $gl_cv_func_frexpl_no_libm = yes; then
gl_FUNC_FREXPL_WORKS
case "$gl_cv_func_frexpl_works" in
*yes) gl_func_frexpl_no_libm=yes ;;
*) gl_func_frexpl_no_libm=no; REPLACE_FREXPL=1 ;;
esac
else
gl_func_frexpl_no_libm=no
dnl Set REPLACE_FREXPL here because the system may have frexpl in libm.
REPLACE_FREXPL=1
fi
if test $gl_func_frexpl_no_libm = yes; then
AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1],
[Define if the frexpl function is available in libc.])
dnl Also check whether it's declared.
dnl Mac OS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>.
AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]])
fi
gl_CHECK_LDEXPL_NO_LIBM
if test $gl_cv_func_ldexpl_no_libm = yes; then
gl_FUNC_LDEXPL_WORKS
case "$gl_cv_func_ldexpl_works" in
*yes)
AC_DEFINE([HAVE_LDEXPL_IN_LIBC], [1],
[Define if the ldexpl function is available in libc.])
dnl Also check whether it's declared.
dnl Mac OS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>.
AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]])
;;
esac
fi
])

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377
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# signbit.m4 serial 16
dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_SIGNBIT],
[
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([for signbit macro], [gl_cv_func_signbit],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <math.h>
/* If signbit is defined as a function, don't use it, since calling it for
'float' or 'long double' arguments would involve conversions.
If signbit is not declared at all but exists as a library function, don't
use it, since the prototype may not match.
If signbit is not declared at all but exists as a compiler built-in, don't
use it, since it's preferable to use __builtin_signbit* (no warnings,
no conversions). */
#ifndef signbit
# error "signbit should be a macro"
#endif
#include <string.h>
]gl_SIGNBIT_TEST_PROGRAM
])],
[gl_cv_func_signbit=yes],
[gl_cv_func_signbit=no],
[case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
# Guess yes on native Windows.
mingw*) gl_cv_func_signbit="guessing yes" ;;
# If we don't know, assume the worst.
*) gl_cv_func_signbit="guessing no" ;;
esac
])
])
dnl GCC 4.0 and newer provides three built-ins for signbit.
dnl They can be used without warnings, also in C++, regardless of <math.h>.
dnl But they may expand to calls to functions, which may or may not be in
dnl libc.
AC_CACHE_CHECK([for signbit compiler built-ins], [gl_cv_func_signbit_gcc],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#if __GNUC__ >= 4
# define signbit(x) \
(sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
__builtin_signbitf (x))
#else
# error "signbit should be three compiler built-ins"
#endif
#include <string.h>
]gl_SIGNBIT_TEST_PROGRAM
])],
[gl_cv_func_signbit_gcc=yes],
[gl_cv_func_signbit_gcc=no],
[case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_signbit_gcc="guessing yes" ;;
# Guess yes on mingw, no on MSVC.
mingw*) if test -n "$GCC"; then
gl_cv_func_signbit_gcc="guessing yes"
else
gl_cv_func_signbit_gcc="guessing no"
fi
;;
# If we don't know, assume the worst.
*) gl_cv_func_signbit_gcc="guessing no" ;;
esac
])
])
dnl Use the compiler built-ins whenever possible, because they are more
dnl efficient than the system library functions (if they exist).
case "$gl_cv_func_signbit_gcc" in
*yes)
REPLACE_SIGNBIT_USING_GCC=1
;;
*)
case "$gl_cv_func_signbit" in
*yes) ;;
*)
dnl REPLACE_SIGNBIT=1 makes sure the signbit[fdl] functions get built.
REPLACE_SIGNBIT=1
gl_FLOAT_SIGN_LOCATION
gl_DOUBLE_SIGN_LOCATION
gl_LONG_DOUBLE_SIGN_LOCATION
if test "$gl_cv_cc_float_signbit" = unknown; then
dnl Test whether copysignf() is declared.
AC_CHECK_DECLS([copysignf], , , [[#include <math.h>]])
if test "$ac_cv_have_decl_copysignf" = yes; then
dnl Test whether copysignf() can be used without libm.
AC_CACHE_CHECK([whether copysignf can be used without linking with libm],
[gl_cv_func_copysignf_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
float x, y;]],
[[return copysignf (x, y) < 0;]])],
[gl_cv_func_copysignf_no_libm=yes],
[gl_cv_func_copysignf_no_libm=no])
])
if test $gl_cv_func_copysignf_no_libm = yes; then
AC_DEFINE([HAVE_COPYSIGNF_IN_LIBC], [1],
[Define if the copysignf function is declared in <math.h> and available in libc.])
fi
fi
fi
if test "$gl_cv_cc_double_signbit" = unknown; then
dnl Test whether copysign() is declared.
AC_CHECK_DECLS([copysign], , , [[#include <math.h>]])
if test "$ac_cv_have_decl_copysign" = yes; then
dnl Test whether copysign() can be used without libm.
AC_CACHE_CHECK([whether copysign can be used without linking with libm],
[gl_cv_func_copysign_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
double x, y;]],
[[return copysign (x, y) < 0;]])],
[gl_cv_func_copysign_no_libm=yes],
[gl_cv_func_copysign_no_libm=no])
])
if test $gl_cv_func_copysign_no_libm = yes; then
AC_DEFINE([HAVE_COPYSIGN_IN_LIBC], [1],
[Define if the copysign function is declared in <math.h> and available in libc.])
fi
fi
fi
if test "$gl_cv_cc_long_double_signbit" = unknown; then
dnl Test whether copysignl() is declared.
AC_CHECK_DECLS([copysignl], , , [[#include <math.h>]])
if test "$ac_cv_have_decl_copysignl" = yes; then
dnl Test whether copysignl() can be used without libm.
AC_CACHE_CHECK([whether copysignl can be used without linking with libm],
[gl_cv_func_copysignl_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <math.h>
long double x, y;]],
[[return copysignl (x, y) < 0;]])],
[gl_cv_func_copysignl_no_libm=yes],
[gl_cv_func_copysignl_no_libm=no])
])
if test $gl_cv_func_copysignl_no_libm = yes; then
AC_DEFINE([HAVE_COPYSIGNL_IN_LIBC], [1],
[Define if the copysignl function is declared in <math.h> and available in libc.])
fi
fi
fi
;;
esac
;;
esac
])
AC_DEFUN([gl_SIGNBIT_TEST_PROGRAM], [[
/* Global variables.
Needed because GCC 4 constant-folds __builtin_signbitl (literal)
but cannot constant-fold __builtin_signbitl (variable). */
float vf;
double vd;
long double vl;
int main ()
{
/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
So we use -p0f and -p0d instead. */
float p0f = 0.0f;
float m0f = -p0f;
double p0d = 0.0;
double m0d = -p0d;
/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
So we use another constant expression instead.
But that expression does not work on other platforms, such as when
cross-compiling to PowerPC on Mac OS X 10.5. */
long double p0l = 0.0L;
#if defined __hpux || defined __sgi
long double m0l = -LDBL_MIN * LDBL_MIN;
#else
long double m0l = -p0l;
#endif
int result = 0;
if (signbit (vf)) /* link check */
vf++;
{
float plus_inf = 1.0f / p0f;
float minus_inf = -1.0f / p0f;
if (!(!signbit (255.0f)
&& signbit (-255.0f)
&& !signbit (p0f)
&& (memcmp (&m0f, &p0f, sizeof (float)) == 0 || signbit (m0f))
&& !signbit (plus_inf)
&& signbit (minus_inf)))
result |= 1;
}
if (signbit (vd)) /* link check */
vd++;
{
double plus_inf = 1.0 / p0d;
double minus_inf = -1.0 / p0d;
if (!(!signbit (255.0)
&& signbit (-255.0)
&& !signbit (p0d)
&& (memcmp (&m0d, &p0d, sizeof (double)) == 0 || signbit (m0d))
&& !signbit (plus_inf)
&& signbit (minus_inf)))
result |= 2;
}
if (signbit (vl)) /* link check */
vl++;
{
long double plus_inf = 1.0L / p0l;
long double minus_inf = -1.0L / p0l;
if (signbit (255.0L))
result |= 4;
if (!signbit (-255.0L))
result |= 4;
if (signbit (p0l))
result |= 8;
if (!(memcmp (&m0l, &p0l, sizeof (long double)) == 0 || signbit (m0l)))
result |= 16;
if (signbit (plus_inf))
result |= 32;
if (!signbit (minus_inf))
result |= 64;
}
return result;
}
]])
AC_DEFUN([gl_FLOAT_SIGN_LOCATION],
[
gl_FLOATTYPE_SIGN_LOCATION([float], [gl_cv_cc_float_signbit], [f], [FLT])
])
AC_DEFUN([gl_DOUBLE_SIGN_LOCATION],
[
gl_FLOATTYPE_SIGN_LOCATION([double], [gl_cv_cc_double_signbit], [], [DBL])
])
AC_DEFUN([gl_LONG_DOUBLE_SIGN_LOCATION],
[
gl_FLOATTYPE_SIGN_LOCATION([long double], [gl_cv_cc_long_double_signbit], [L], [LDBL])
])
AC_DEFUN([gl_FLOATTYPE_SIGN_LOCATION],
[
AC_CACHE_CHECK([where to find the sign bit in a '$1'],
[$2],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stddef.h>
#include <stdio.h>
#define NWORDS \
((sizeof ($1) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { $1 value; unsigned int word[NWORDS]; }
memory_float;
static memory_float plus = { 1.0$3 };
static memory_float minus = { -1.0$3 };
int main ()
{
size_t j, k, i;
unsigned int m;
FILE *fp = fopen ("conftest.out", "w");
if (fp == NULL)
return 1;
/* Find the different bit. */
k = 0; m = 0;
for (j = 0; j < NWORDS; j++)
{
unsigned int x = plus.word[j] ^ minus.word[j];
if ((x & (x - 1)) || (x && m))
{
/* More than one bit difference. */
fprintf (fp, "unknown");
fclose (fp);
return 2;
}
if (x)
{
k = j;
m = x;
}
}
if (m == 0)
{
/* No difference. */
fprintf (fp, "unknown");
fclose (fp);
return 3;
}
/* Now m = plus.word[k] ^ ~minus.word[k]. */
if (plus.word[k] & ~minus.word[k])
{
/* Oh? The sign bit is set in the positive and cleared in the negative
numbers? */
fprintf (fp, "unknown");
fclose (fp);
return 4;
}
for (i = 0; ; i++)
if ((m >> i) & 1)
break;
fprintf (fp, "word %d bit %d", (int) k, (int) i);
if (fclose (fp) != 0)
return 5;
return 0;
}
]])],
[$2=`cat conftest.out`],
[$2="unknown"],
[
dnl When cross-compiling, we don't know. It depends on the
dnl ABI and compiler version. There are too many cases.
$2="unknown"
])
rm -f conftest.out
])
case "$]$2[" in
word*bit*)
word=`echo "$]$2[" | sed -e 's/word //' -e 's/ bit.*//'`
bit=`echo "$]$2[" | sed -e 's/word.*bit //'`
AC_DEFINE_UNQUOTED([$4][_SIGNBIT_WORD], [$word],
[Define as the word index where to find the sign of '$1'.])
AC_DEFINE_UNQUOTED([$4][_SIGNBIT_BIT], [$bit],
[Define as the bit index in the word where to find the sign of '$1'.])
;;
esac
])
# Expands to code that defines a function signbitf(float).
# It extracts the sign bit of a non-NaN value.
AC_DEFUN([gl_FLOAT_SIGNBIT_CODE],
[
gl_FLOATTYPE_SIGNBIT_CODE([float], [f], [f])
])
# Expands to code that defines a function signbitd(double).
# It extracts the sign bit of a non-NaN value.
AC_DEFUN([gl_DOUBLE_SIGNBIT_CODE],
[
gl_FLOATTYPE_SIGNBIT_CODE([double], [d], [])
])
# Expands to code that defines a function signbitl(long double).
# It extracts the sign bit of a non-NaN value.
AC_DEFUN([gl_LONG_DOUBLE_SIGNBIT_CODE],
[
gl_FLOATTYPE_SIGNBIT_CODE([long double], [l], [L])
])
AC_DEFUN([gl_FLOATTYPE_SIGNBIT_CODE],
[[
static int
signbit$2 ($1 value)
{
typedef union { $1 f; unsigned char b[sizeof ($1)]; } float_union;
static float_union plus_one = { 1.0$3 }; /* unused bits are zero here */
static float_union minus_one = { -1.0$3 }; /* unused bits are zero here */
/* Compute the sign bit mask as the XOR of plus_one and minus_one. */
float_union u;
unsigned int i;
u.f = value;
for (i = 0; i < sizeof ($1); i++)
if (u.b[i] & (plus_one.b[i] ^ minus_one.b[i]))
return 1;
return 0;
}
]])

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