include/string.h

   1 #ifndef _STRING_H
   2
   3 #ifndef _ISOMAC
   4 #include <sys/types.h>
   5
   6 extern void *__memccpy (void *__dest, const void *__src,
   7                         int __c, size_t __n);
   8
   9 extern size_t __strnlen (const char *__string, size_t __maxlen)
  10      __attribute_pure__;
  11
  12 extern char *__strsep (char **__stringp, const char *__delim);
  13
  14 extern int __strverscmp (const char *__s1, const char *__s2)
  15      __attribute_pure__;
  16
  17 extern int __strncasecmp (const char *__s1, const char *__s2,
  18                           size_t __n)
  19      __attribute_pure__;
  20
  21 extern int __strcasecmp (const char *__s1, const char *__s2)
  22      __attribute_pure__;
  23
  24 extern char *__strcasestr (const char *__haystack, const char *__needle)
  25      __attribute_pure__;
  26
  27 extern char *__strdup (const char *__string)
  28      __attribute_malloc__;
  29 extern char *__strndup (const char *__string, size_t __n)
  30      __attribute_malloc__;
  31
  32 extern void *__rawmemchr (const void *__s, int __c)
  33      __attribute_pure__;
  34
  35 extern char *__strchrnul (const char *__s, int __c)
  36      __attribute_pure__;
  37
  38 extern void *__memrchr (const void *__s, int __c, size_t __n)
  39      __attribute_pure__;
  40
  41 extern void *__memchr (const void *__s, int __c, size_t __n)
  42      __attribute_pure__;
  43
  44 extern int __ffs (int __i) __attribute__ ((const));
  45
  46 extern char *__strerror_r (int __errnum, char *__buf, size_t __buflen);
  47 #endif
  48
  49 /* Now the real definitions.  We do this here since some of the functions
  50    above are defined as macros in the headers.  */
  51 #include <string/string.h>
  52
  53 #ifndef _ISOMAC
  54 extern __typeof (strcoll_l) __strcoll_l;
  55 extern __typeof (strxfrm_l) __strxfrm_l;
  56 extern __typeof (strcasecmp_l) __strcasecmp_l;
  57 extern __typeof (strncasecmp_l) __strncasecmp_l;
  58
  59 /* Alternative version which doesn't pollute glibc's namespace.  */
  60 #if IS_IN (libc)
  61 # undef strndupa
  62 # define strndupa(s, n)                                                       \
  63   (__extension__                                                              \
  64     ({                                                                        \
  65       const char *__old = (s);                                                \
  66       size_t __len = __strnlen (__old, (n));                                  \
  67       char *__new = (char *) __builtin_alloca (__len + 1);                    \
  68       __new[__len] = '\0';                                                    \
  69       (char *) memcpy (__new, __old, __len);                                  \
  70     }))
  71 #endif
  72
  73 libc_hidden_proto (__mempcpy)
  74 libc_hidden_proto (__stpcpy)
  75 libc_hidden_proto (__stpncpy)
  76 libc_hidden_proto (__rawmemchr)
  77 libc_hidden_proto (__strcasecmp)
  78 libc_hidden_proto (__strcasecmp_l)
  79 libc_hidden_proto (__strncasecmp_l)
  80 libc_hidden_proto (__strdup)
  81 libc_hidden_proto (__strndup)
  82 libc_hidden_proto (__strerror_r)
  83 libc_hidden_proto (__strverscmp)
  84 libc_hidden_proto (basename)
  85 extern char *__basename (const char *__filename) __THROW __nonnull ((1));
  86 libc_hidden_proto (__basename)
  87 libc_hidden_proto (strcoll)
  88 libc_hidden_proto (__strcoll_l)
  89 libc_hidden_proto (__strxfrm_l)
  90 libc_hidden_proto (__strtok_r)
  91 extern char *__strsep_g (char **__stringp, const char *__delim);
  92 libc_hidden_proto (__strsep_g)
  93 libc_hidden_proto (strnlen)
  94 libc_hidden_proto (memmem)
  95 extern __typeof (memmem) __memmem;
  96 libc_hidden_proto (__memmem)
  97 libc_hidden_proto (__ffs)
  98
  99 libc_hidden_builtin_proto (memchr)
 100 libc_hidden_builtin_proto (memcpy)
 101 libc_hidden_builtin_proto (mempcpy)
 102 libc_hidden_builtin_proto (memcmp)
 103 libc_hidden_builtin_proto (memmove)
 104 libc_hidden_builtin_proto (memset)
 105 libc_hidden_builtin_proto (strcat)
 106 libc_hidden_builtin_proto (strchr)
 107 libc_hidden_builtin_proto (strcmp)
 108 libc_hidden_builtin_proto (strcpy)
 109 libc_hidden_builtin_proto (strcspn)
 110 libc_hidden_builtin_proto (strlen)
 111 libc_hidden_builtin_proto (strncmp)
 112 libc_hidden_builtin_proto (strncpy)
 113 libc_hidden_builtin_proto (strpbrk)
 114 libc_hidden_builtin_proto (stpcpy)
 115 libc_hidden_builtin_proto (strrchr)
 116 libc_hidden_builtin_proto (strspn)
 117 libc_hidden_builtin_proto (strstr)
 118 libc_hidden_builtin_proto (ffs)
 119
 120 #if (!IS_IN (libc) || !defined SHARED) \
 121   && !defined NO_MEMPCPY_STPCPY_REDIRECT
 122 /* Redirect calls to __builtin_mempcpy and __builtin_stpcpy to call
 123    __mempcpy and __stpcpy if not inlined.  */
 124 extern __typeof (mempcpy) mempcpy __asm__ ("__mempcpy");
 125 extern __typeof (stpcpy) stpcpy __asm__ ("__stpcpy");
 126 #endif
 127
 128 # ifndef _ISOMAC
 129 #  ifndef index
 130 #   define index(s, c)  (strchr ((s), (c)))
 131 #  endif
 132 #  ifndef rindex
 133 #   define rindex(s, c) (strrchr ((s), (c)))
 134 #  endif
 135 # endif
 136
 137 extern void *__memcpy_chk (void *__restrict __dest,
 138                            const void *__restrict __src, size_t __len,
 139                            size_t __destlen) __THROW;
 140 extern void *__memmove_chk (void *__dest, const void *__src, size_t __len,
 141                             size_t __destlen) __THROW;
 142 extern void *__mempcpy_chk (void *__restrict __dest,
 143                             const void *__restrict __src, size_t __len,
 144                             size_t __destlen) __THROW;
 145 extern void *__memset_chk (void *__dest, int __ch, size_t __len,
 146                            size_t __destlen) __THROW;
 147 extern char *__strcpy_chk (char *__restrict __dest,
 148                            const char *__restrict __src,
 149                            size_t __destlen) __THROW;
 150 extern char *__stpcpy_chk (char *__restrict __dest,
 151                            const char *__restrict __src,
 152                            size_t __destlen) __THROW;
 153 extern char *__strncpy_chk (char *__restrict __dest,
 154                             const char *__restrict __src,
 155                             size_t __len, size_t __destlen) __THROW;
 156 extern char *__strcat_chk (char *__restrict __dest,
 157                            const char *__restrict __src,
 158                            size_t __destlen) __THROW;
 159 extern char *__strncat_chk (char *__restrict __dest,
 160                             const char *__restrict __src,
 161                             size_t __len, size_t __destlen) __THROW;
 162 #endif
 163
 164 #endif