Feature test macros overhaul: string.h

Throughout, remove __STRICT_ANSI__ and use the proper internal macros.

bcmp, bcopy, bzero, index, and rindex were in POSIX prior to 2008.

memrchr is GNU.

strdup and strndup are POSIX.1-2008.

The int-returning form of strerror_r is POSIX.1-2001.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2016-03-14 17:13:42 -05:00
parent 84ba25226c
commit 615d63599b
1 changed files with 15 additions and 23 deletions

View File

@ -43,28 +43,30 @@ char *_EXFUN(strtok,(char *__restrict, const char *__restrict));
#endif
size_t _EXFUN(strxfrm,(char *__restrict, const char *__restrict, size_t));
#if __POSIX_VISIBLE
#if __MISC_VISIBLE || __POSIX_VISIBLE
char *_EXFUN(strtok_r,(char *__restrict, const char *__restrict, char **__restrict));
#endif
#if __BSD_VISIBLE
#if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE < 200809)
int _EXFUN(bcmp,(const void *, const void *, size_t));
void _EXFUN(bcopy,(const void *, void *, size_t));
void _EXFUN(bzero,(void *, size_t));
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE >= 200809
int _EXFUN(ffs,(int));
#endif
#if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE < 200809)
char *_EXFUN(index,(const char *, int));
#endif
#if __BSD_VISIBLE || __XSI_VISIBLE
#if __MISC_VISIBLE || __POSIX_VISIBLE
_PTR _EXFUN(memccpy,(_PTR __restrict, const _PTR __restrict, int, size_t));
#endif
#if __GNU_VISIBLE
_PTR _EXFUN(mempcpy,(_PTR, const _PTR, size_t));
_PTR _EXFUN(memmem, (const _PTR, size_t, const _PTR, size_t));
#endif
_PTR _EXFUN(memrchr,(const _PTR, int, size_t));
#if __GNU_VISIBLE
_PTR _EXFUN(rawmemchr,(const _PTR, int));
#endif
#if __BSD_VISIBLE
#if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE < 200809)
char *_EXFUN(rindex,(const char *, int));
#endif
char *_EXFUN(stpcpy,(char *__restrict, const char *__restrict));
@ -76,19 +78,14 @@ int _EXFUN(strcasecmp,(const char *, const char *));
char *_EXFUN(strcasestr,(const char *, const char *));
char *_EXFUN(strchrnul,(const char *, int));
#endif
#if __XSI_VISIBLE >= 500
#if __MISC_VISIBLE || __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 4
char *_EXFUN(strdup,(const char *));
#endif
#ifndef __STRICT_ANSI__
char *_EXFUN(_strdup_r,(struct _reent *, const char *));
#endif
#if __XSI_VISIBLE >= 700
#if __POSIX_VISIBLE >= 200809
char *_EXFUN(strndup,(const char *, size_t));
#endif
#ifndef __STRICT_ANSI__
char *_EXFUN(_strndup_r,(struct _reent *, const char *, size_t));
#endif
#if __GNU_VISIBLE
int _EXFUN(ffsl,(long));
@ -101,7 +98,7 @@ int _EXFUN(ffsll, (long long));
invoke the underlying function, but that requires gcc support. */
#if __GNU_VISIBLE
char *_EXFUN(strerror_r,(int, char *, size_t));
#else
#elif __POSIX_VISIBLE >= 200112
# ifdef __GNUC__
int _EXFUN(strerror_r,(int, char *, size_t))
#ifdef __ASMNAME
@ -124,19 +121,14 @@ size_t _EXFUN(strlcpy,(char *, const char *, size_t));
#if __BSD_VISIBLE || __POSIX_VISIBLE
int _EXFUN(strncasecmp,(const char *, const char *, size_t));
#endif
#if !defined(__STRICT_ANSI__) || __POSIX_VISIBLE >= 200809 || \
__XSI_VISIBLE >= 700
#if __POSIX_VISIBLE >= 200809
size_t _EXFUN(strnlen,(const char *, size_t));
#endif
#if __BSD_VISIBLE
char *_EXFUN(strsep,(char **, const char *));
#endif
/*
* The origin of these is unknown to me so I am conditionalizing them
* on __STRICT_ANSI__. Finetuning this is definitely needed. --joel
*/
#if !defined(__STRICT_ANSI__)
#if __MISC_VISIBLE
char *_EXFUN(strlwr,(char *));
char *_EXFUN(strupr,(char *));
#endif
@ -149,7 +141,7 @@ char *_EXFUN(strsignal, (int __signo));
int _EXFUN(strtosigno, (const char *__name));
#endif
#if defined _GNU_SOURCE && defined __GNUC__
#if __GNU_VISIBLE && defined(__GNUC__)
#define strdupa(__s) \
(__extension__ ({const char *__in = (__s); \
size_t __len = strlen (__in) + 1; \
@ -161,7 +153,7 @@ int _EXFUN(strtosigno, (const char *__name));
char *__out = (char *) __builtin_alloca (__len); \
__out[__len-1] = '\0'; \
(char *) memcpy (__out, __in, __len-1);}))
#endif /* _GNU_SOURCE && __GNUC__ */
#endif /* __GNU_VISIBLE && __GNUC__ */
/* There are two common basename variants. If you do NOT #include <libgen.h>
and you do