source: trunk/libs/newlib/src/newlib/libc/include/string.h @ 444

/*
 * 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

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 *);
#endif
char    *_strdup_r (struct _reent *, const char *);
#if __POSIX_VISIBLE >= 200809
char    *strndup (const char *, size_t);
#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

#ifndef DEFS_H  /* Kludge to work around problem compiling in gdb */
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_ */