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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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1192
lib/Makefile.am Normal file
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65
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/* 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
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/* 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

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/* 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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/* 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"

40
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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

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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;
}

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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 */

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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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/* 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
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@ -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
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@ -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
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@ -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 */

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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
}

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/* 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
}

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/* 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
}

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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 */

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/* 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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/* 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 */