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[buddy]

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Tag functions with attributes pure, const, or noreturn.

* src/bdd.h (__purefn, __constfn, __noreturnfn): Define
new macros.
* src/bdd.h, src/bddio.c, src/bvec.h, src/imatrix.h: Use them
to tag many functions as suggested by -Wsuggest-attribute=pure,
-Wsuggest-attribute=const, -Wsuggest-attribute=noreturn.
This commit is contained in:
Alexandre Duret-Lutz 2011-04-04 19:12:56 +02:00
parent 61d9e721a0
commit 5fdfe28689
5 changed files with 50 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

48
buddy/src/bdd.h
View file

@ -38,6 +38,16 @@
#ifndef _BDD_H
#define _BDD_H
#if __GNUC__ >= 3
#define __purefn __attribute__((__pure__))
#define __constfn __attribute__((__const__))
#define __noreturnfn __attribute__((__noreturn__))
#else
#define __purefn
#define __constfn
#define __noreturnfn
#endif
/* Allow this headerfile to define C++ constructs if requested */
#ifdef __cplusplus
#define CPLUSPLUS
@ -231,33 +241,33 @@ extern int bdd_init(int, int);
extern void bdd_done(void);
extern int bdd_setvarnum(int);
extern int bdd_extvarnum(int);
extern int bdd_isrunning(void);
extern int bdd_isrunning(void) __purefn;
extern int bdd_setmaxnodenum(int);
extern int bdd_setmaxincrease(int);
extern int bdd_setminfreenodes(int);
extern int bdd_getnodenum(void);
extern int bdd_getallocnum(void);
extern char* bdd_versionstr(void);
extern int bdd_versionnum(void);
extern int bdd_getnodenum(void) __purefn;
extern int bdd_getallocnum(void) __purefn;
extern char* bdd_versionstr(void) __purefn;
extern int bdd_versionnum(void) __constfn;
extern void bdd_stats(bddStat *);
extern void bdd_cachestats(bddCacheStat *);
extern void bdd_fprintstat(FILE *);
extern void bdd_printstat(void);
extern void bdd_default_gbchandler(int, bddGbcStat *);
extern void bdd_default_errhandler(int);
extern const char *bdd_errstring(int);
extern void bdd_default_errhandler(int) __noreturnfn;
extern const char *bdd_errstring(int) __constfn;
extern void bdd_clear_error(void);
#ifndef CPLUSPLUS
extern BDD bdd_true(void);
extern BDD bdd_false(void);
extern BDD bdd_true(void) __constfn;
extern BDD bdd_false(void) __constfn;
#endif
extern int bdd_varnum(void);
extern BDD bdd_ithvar(int);
extern BDD bdd_nithvar(int);
extern int bdd_var(BDD);
extern BDD bdd_low(BDD);
extern BDD bdd_high(BDD);
extern int bdd_varlevel(int);
extern int bdd_varnum(void) __purefn;
extern BDD bdd_ithvar(int) __purefn;
extern BDD bdd_nithvar(int) __purefn;
extern int bdd_var(BDD) __purefn;
extern BDD bdd_low(BDD) __purefn;
extern BDD bdd_high(BDD) __purefn;
extern int bdd_varlevel(int) __purefn;
extern BDD bdd_addref(BDD);
extern BDD bdd_delref(BDD);
extern void bdd_gbc(void);
@ -342,7 +352,7 @@ extern int bdd_load(FILE *ifile, BDD *);
extern int bdd_swapvar(int v1, int v2);
extern void bdd_default_reohandler(int);
extern void bdd_reorder(int);
extern int bdd_reorder_gain(void);
extern int bdd_reorder_gain(void) __purefn;
extern bddsizehandler bdd_reorder_probe(bddsizehandler);
extern void bdd_clrvarblocks(void);
extern int bdd_addvarblock(BDD, int);
@ -353,8 +363,8 @@ extern int bdd_autoreorder(int);
extern int bdd_autoreorder_times(int, int);
extern int bdd_var2level(int);
extern int bdd_level2var(int);
extern int bdd_getreorder_times(void);
extern int bdd_getreorder_method(void);
extern int bdd_getreorder_times(void) __purefn;
extern int bdd_getreorder_method(void) __purefn;
extern void bdd_enable_reorder(void);
extern void bdd_disable_reorder(void);
extern int bdd_reorder_verbose(int);