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

184 lines
5.4 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 <sys/_locale.h>
#endif
#if __BSD_VISIBLE
#include <strings.h>
#endif
_BEGIN_STD_C
void * memchr (const void *, int, size_t);
int memcmp (const void *, const void *, size_t);
void * memcpy (void *__restrict, const void *__restrict, size_t);
void * memmove (void *, const void *, size_t);
void * memset (void *, int, size_t);
char *strcat (char *__restrict, const char *__restrict);
char *strchr (const char *, int);
int strcmp (const char *, const char *);
int strcoll (const char *, const char *);
char *strcpy (char *__restrict, const char *__restrict);
size_t strcspn (const char *, const char *);
char *strerror (int);
size_t strlen (const char *);
char *strncat (char *__restrict, const char *__restrict, size_t);
int strncmp (const char *, const char *, size_t);
char *strncpy (char *__restrict, const char *__restrict, size_t);
char *strpbrk (const char *, const char *);
char *strrchr (const char *, int);
size_t strspn (const char *, const char *);
char *strstr (const char *, const char *);
#ifndef _REENT_ONLY
char *strtok (char *__restrict, const char *__restrict);
#endif
size_t 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 *strtok_r (char *__restrict, const char *__restrict, char **__restrict);
#endif
#if __BSD_VISIBLE
int timingsafe_bcmp (const void *, const void *, size_t);
int timingsafe_memcmp (const void *, const void *, size_t);
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE
void * memccpy (void *__restrict, const void *__restrict, int, size_t);
#endif
#if __GNU_VISIBLE
void * mempcpy (void *, const void *, size_t);
void * memmem (const void *, size_t, const void *, size_t);
void * memrchr (const void *, int, size_t);
void * rawmemchr (const void *, int);
#endif
#if __POSIX_VISIBLE >= 200809
char *stpcpy (char *__restrict, const char *__restrict);
char *stpncpy (char *__restrict, const char *__restrict, size_t);
#endif
#if __GNU_VISIBLE
char *strcasestr (const char *, const char *);
char *strchrnul (const char *, int);
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 4
char *strdup (const char *) __malloc_like __result_use_check;
#endif
char *_strdup_r (struct _reent *, const char *);
#if __POSIX_VISIBLE >= 200809
char *strndup (const char *, size_t) __malloc_like __result_use_check;
#endif
char *_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 *strerror_r (int, char *, size_t);
#elif __POSIX_VISIBLE >= 200112
# ifdef __GNUC__
int strerror_r (int, char *, size_t)
#ifdef __ASMNAME
__asm__ (__ASMNAME ("__xpg_strerror_r"))
#endif
;
# else
int __xpg_strerror_r (int, char *, size_t);
# define strerror_r __xpg_strerror_r
# endif
#endif
/* Reentrant version of strerror. */
char * _strerror_r (struct _reent *, int, int, int *);
#if __BSD_VISIBLE
size_t strlcat (char *, const char *, size_t);
size_t strlcpy (char *, const char *, size_t);
#endif
#if __POSIX_VISIBLE >= 200809
size_t strnlen (const char *, size_t);
#endif
#if __BSD_VISIBLE
char *strsep (char **, const char *);
#endif
#if __BSD_VISIBLE
char *strnstr(const char *, const char *, size_t) __pure;
#endif
#if __MISC_VISIBLE
char *strlwr (char *);
char *strupr (char *);
#endif
#if __POSIX_VISIBLE >= 200809
char *strsignal (int __signo);
#endif
#ifdef __CYGWIN__
int strtosigno (const char *__name);
#endif
#if __GNU_VISIBLE
int 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 *__nonnull ((1)) basename (const char *) __asm__(__ASMNAME("__gnu_basename"));
#endif
#include <sys/string.h>
_END_STD_C
#if __SSP_FORTIFY_LEVEL > 0
#include <ssp/string.h>
#endif
#endif /* _STRING_H_ */