newlib-cygwin/newlib/libc/include/string.h

180 lines
5.7 KiB
C

/*
* string.h
*
* Definitions for memory and string functions.
*/
#ifndef _STRING_H_
#define _STRING_H_
#include "_ansi.h"
#include <sys/reent.h>
#include <sys/cdefs.h>
#include <sys/features.h>
#define __need_size_t
#define __need_NULL
#include <stddef.h>
#if __POSIX_VISIBLE >= 200809
#include <xlocale.h>
#endif
#if __BSD_VISIBLE
#include <strings.h>
#endif
_BEGIN_STD_C
_PTR _EXFUN(memchr,(const _PTR, int, size_t));
int _EXFUN(memcmp,(const _PTR, const _PTR, size_t));
_PTR _EXFUN(memcpy,(_PTR __restrict, const _PTR __restrict, size_t));
_PTR _EXFUN(memmove,(_PTR, const _PTR, size_t));
_PTR _EXFUN(memset,(_PTR, int, size_t));
char *_EXFUN(strcat,(char *__restrict, const char *__restrict));
char *_EXFUN(strchr,(const char *, int));
int _EXFUN(strcmp,(const char *, const char *));
int _EXFUN(strcoll,(const char *, const char *));
char *_EXFUN(strcpy,(char *__restrict, const char *__restrict));
size_t _EXFUN(strcspn,(const char *, const char *));
char *_EXFUN(strerror,(int));
size_t _EXFUN(strlen,(const char *));
char *_EXFUN(strncat,(char *__restrict, const char *__restrict, size_t));
int _EXFUN(strncmp,(const char *, const char *, size_t));
char *_EXFUN(strncpy,(char *__restrict, const char *__restrict, size_t));
char *_EXFUN(strpbrk,(const char *, const char *));
char *_EXFUN(strrchr,(const char *, int));
size_t _EXFUN(strspn,(const char *, const char *));
char *_EXFUN(strstr,(const char *, const char *));
#ifndef _REENT_ONLY
char *_EXFUN(strtok,(char *__restrict, const char *__restrict));
#endif
size_t _EXFUN(strxfrm,(char *__restrict, const char *__restrict, size_t));
#if __POSIX_VISIBLE >= 200809
int strcoll_l (const char *, const char *, locale_t);
char *strerror_l (int, locale_t);
size_t strxfrm_l (char *__restrict, const char *__restrict, size_t, locale_t);
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE
char *_EXFUN(strtok_r,(char *__restrict, const char *__restrict, char **__restrict));
#endif
#if __BSD_VISIBLE
int _EXFUN(timingsafe_bcmp,(const void *, const void *, size_t));
int _EXFUN(timingsafe_memcmp,(const void *, const void *, size_t));
#endif
#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));
_PTR _EXFUN(memrchr,(const _PTR, int, size_t));
_PTR _EXFUN(rawmemchr,(const _PTR, int));
#endif
#if __POSIX_VISIBLE >= 200809
char *_EXFUN(stpcpy,(char *__restrict, const char *__restrict));
char *_EXFUN(stpncpy,(char *__restrict, const char *__restrict, size_t));
#endif
#if __GNU_VISIBLE
char *_EXFUN(strcasestr,(const char *, const char *));
char *_EXFUN(strchrnul,(const char *, int));
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 4
char *_EXFUN(strdup,(const char *));
#endif
char *_EXFUN(_strdup_r,(struct _reent *, const char *));
#if __POSIX_VISIBLE >= 200809
char *_EXFUN(strndup,(const char *, size_t));
#endif
char *_EXFUN(_strndup_r,(struct _reent *, const char *, size_t));
/* There are two common strerror_r variants. If you request
_GNU_SOURCE, you get the GNU version; otherwise you get the POSIX
version. POSIX requires that #undef strerror_r will still let you
invoke the underlying function, but that requires gcc support. */
#if __GNU_VISIBLE
char *_EXFUN(strerror_r,(int, char *, size_t));
#elif __POSIX_VISIBLE >= 200112
# ifdef __GNUC__
int _EXFUN(strerror_r,(int, char *, size_t))
#ifdef __ASMNAME
__asm__ (__ASMNAME ("__xpg_strerror_r"))
#endif
;
# else
int _EXFUN(__xpg_strerror_r,(int, char *, size_t));
# define strerror_r __xpg_strerror_r
# endif
#endif
/* Reentrant version of strerror. */
char * _EXFUN(_strerror_r, (struct _reent *, int, int, int *));
#if __BSD_VISIBLE
size_t _EXFUN(strlcat,(char *, const char *, size_t));
size_t _EXFUN(strlcpy,(char *, const char *, size_t));
#endif
#if __POSIX_VISIBLE >= 200809
size_t _EXFUN(strnlen,(const char *, size_t));
#endif
#if __BSD_VISIBLE
char *_EXFUN(strsep,(char **, const char *));
#endif
#if __BSD_VISIBLE
char *strnstr(const char *, const char *, size_t) __pure;
#endif
#if __MISC_VISIBLE
char *_EXFUN(strlwr,(char *));
char *_EXFUN(strupr,(char *));
#endif
#ifndef DEFS_H /* Kludge to work around problem compiling in gdb */
char *_EXFUN(strsignal, (int __signo));
#endif
#ifdef __CYGWIN__
int _EXFUN(strtosigno, (const char *__name));
#endif
#if __GNU_VISIBLE
int _EXFUN(strverscmp,(const char *, const char *));
#endif
#if __GNU_VISIBLE && defined(__GNUC__)
#define strdupa(__s) \
(__extension__ ({const char *__sin = (__s); \
size_t __len = strlen (__sin) + 1; \
char * __sout = (char *) __builtin_alloca (__len); \
(char *) memcpy (__sout, __sin, __len);}))
#define strndupa(__s, __n) \
(__extension__ ({const char *__sin = (__s); \
size_t __len = strnlen (__sin, (__n)) + 1; \
char *__sout = (char *) __builtin_alloca (__len); \
__sout[__len-1] = '\0'; \
(char *) memcpy (__sout, __sin, __len-1);}))
#endif /* __GNU_VISIBLE && __GNUC__ */
/* There are two common basename variants. If you do NOT #include <libgen.h>
and you do
#define _GNU_SOURCE
#include <string.h>
you get the GNU version. Otherwise you get the POSIX versionfor which you
should #include <libgen.h>i for the function prototype. POSIX requires that
#undef basename will still let you invoke the underlying function. However,
this also implies that the POSIX version is used in this case. That's made
sure here. */
#if __GNU_VISIBLE && !defined(basename)
# define basename basename
char *_EXFUN(__nonnull (1) basename,(const char *)) __asm__(__ASMNAME("__gnu_basename"));
#endif
#include <sys/string.h>
_END_STD_C
#endif /* _STRING_H_ */