diff options
Diffstat (limited to 'string/string.h')
| -rw-r--r-- | string/string.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/string/string.h b/string/string.h index a5a6edd398..3b6c5e969b 100644 --- a/string/string.h +++ b/string/string.h @@ -49,9 +49,6 @@ extern __ptr_t __memccpy __P ((__ptr_t __dest, __const __ptr_t __src, #if defined (__USE_SVID) || defined (__USE_BSD) extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src, int __c, size_t __n)); -#ifdef __OPTIMIZE__ -#define memccpy(dest, src, c, n) __memccpy((dest), (src), (c), (n)) -#endif /* Optimizing. */ #endif /* SVID. */ @@ -88,6 +85,7 @@ extern size_t strxfrm __P ((char *__dest, __const char *__src, size_t __n)); #if defined (__USE_SVID) || defined (__USE_BSD) /* Duplicate S, returning an identical malloc'd string. */ +extern char *__strdup __P ((__const char *__s)); extern char *strdup __P ((__const char *__s)); #endif @@ -95,9 +93,22 @@ extern char *strdup __P ((__const char *__s)); /* Duplicate S, returning an identical alloca'd string. */ #define strdupa(s) \ ({ \ - const char *__old = (s); \ - size_t __len = strlen (__old) + 1; \ - memcpy (__builtin_alloca (__len), __old, __len); \ + __const char *__old = (s); \ + size_t __len = strlen (__old) + 1; \ + memcpy (__builtin_alloca (__len), __old, __len); \ +}) + +/* Return a malloc'd copy of at most N bytes of STRING. The + resultant string is terminated even if no null terminator + appears before STRING[N]. */ +extern char *strndup __P ((__const char *__string, size_t __n)); + +/* Return an alloca'd copy of at most N bytes of string. */ +#define strndupa(s, n) \ +({ \ + __const char *__old = (s); \ + size_t __len = strnlen (__old) + 1; \ + memcpy (__builtin_alloca (__len), __old, __len); \ }) #endif |