diff options
Diffstat (limited to 'string/string.h')
| -rw-r--r-- | string/string.h | 212 |
1 files changed, 211 insertions, 1 deletions
diff --git a/string/string.h b/string/string.h index 90c92d4527..849255f75c 100644 --- a/string/string.h +++ b/string/string.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1993, 1995-2004, 2007 Free Software Foundation, Inc. +/* Copyright (C) 1991-1993,1995-2004,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,6 +32,11 @@ __BEGIN_DECLS #define __need_NULL #include <stddef.h> +/* Tell the caller that we provide correct C++ prototypes. */ +#if defined __cplusplus && __GNUC_PREREQ (4, 4) +# define __CORRECT_ISO_CPP_STRING_H_PROTO +#endif + __BEGIN_NAMESPACE_STD /* Copy N bytes of SRC to DEST. */ @@ -63,19 +68,57 @@ extern int memcmp (__const void *__s1, __const void *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Search N bytes of S for C. */ +#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern void *memchr (void *__s, int __c, size_t __n) + __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1)); +extern __const void *memchr (__const void *__s, int __c, size_t __n) + __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline void * +memchr (void *__s, int __c, size_t __n) __THROW +{ + return __builtin_memchr (__s, __c, __n); +} + +__extern_always_inline __const void * +memchr (__const void *__s, int __c, size_t __n) __THROW +{ + return __builtin_memchr (__s, __c, __n); +} +# endif +} +#else extern void *memchr (__const void *__s, int __c, size_t __n) __THROW __attribute_pure__ __nonnull ((1)); +#endif __END_NAMESPACE_STD #ifdef __USE_GNU /* Search in S for C. This is similar to `memchr' but there is no length limit. */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" void *rawmemchr (void *__s, int __c) + __THROW __asm ("rawmemchr") __attribute_pure__ __nonnull ((1)); +extern "C++" __const void *rawmemchr (__const void *__s, int __c) + __THROW __asm ("rawmemchr") __attribute_pure__ __nonnull ((1)); +# else extern void *rawmemchr (__const void *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +# endif /* Search N bytes of S for the final occurrence of C. */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" void *memrchr (void *__s, int __c, size_t __n) + __THROW __asm ("memrchr") __attribute_pure__ __nonnull ((1)); +extern "C++" __const void *memrchr (__const void *__s, int __c, size_t __n) + __THROW __asm ("memrchr") __attribute_pure__ __nonnull ((1)); +# else extern void *memrchr (__const void *__s, int __c, size_t __n) __THROW __attribute_pure__ __nonnull ((1)); +# endif #endif @@ -164,18 +207,73 @@ extern char *strndup (__const char *__string, size_t __n) __BEGIN_NAMESPACE_STD /* Find the first occurrence of C in S. */ +#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *strchr (char *__s, int __c) + __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1)); +extern __const char *strchr (__const char *__s, int __c) + __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strchr (char *__s, int __c) __THROW +{ + return __builtin_strchr (__s, __c); +} + +__extern_always_inline __const char * +strchr (__const char *__s, int __c) __THROW +{ + return __builtin_strchr (__s, __c); +} +# endif +} +#else extern char *strchr (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +#endif /* Find the last occurrence of C in S. */ +#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *strrchr (char *__s, int __c) + __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1)); +extern __const char *strrchr (__const char *__s, int __c) + __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strrchr (char *__s, int __c) __THROW +{ + return __builtin_strrchr (__s, __c); +} + +__extern_always_inline __const char * +strrchr (__const char *__s, int __c) __THROW +{ + return __builtin_strrchr (__s, __c); +} +# endif +} +#else extern char *strrchr (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +#endif __END_NAMESPACE_STD #ifdef __USE_GNU /* This function is similar to `strchr'. But it returns a pointer to the closing NUL byte in case C is not found in S. */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" char *strchrnul (char *__s, int __c) + __THROW __asm ("strchrnul") __attribute_pure__ __nonnull ((1)); +extern "C++" __const char *strchrnul (__const char *__s, int __c) + __THROW __asm ("strchrnul") __attribute_pure__ __nonnull ((1)); +# else extern char *strchrnul (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +# endif #endif __BEGIN_NAMESPACE_STD @@ -188,11 +286,60 @@ extern size_t strcspn (__const char *__s, __const char *__reject) extern size_t strspn (__const char *__s, __const char *__accept) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence in S of any character in ACCEPT. */ +#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *strpbrk (char *__s, __const char *__accept) + __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2)); +extern __const char *strpbrk (__const char *__s, __const char *__accept) + __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strpbrk (char *__s, __const char *__accept) __THROW +{ + return __builtin_strpbrk (__s, __accept); +} + +__extern_always_inline __const char * +strpbrk (__const char *__s, __const char *__accept) __THROW +{ + return __builtin_strpbrk (__s, __accept); +} +# endif +} +#else extern char *strpbrk (__const char *__s, __const char *__accept) __THROW __attribute_pure__ __nonnull ((1, 2)); +#endif /* Find the first occurrence of NEEDLE in HAYSTACK. */ +#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *strstr (char *__haystack, __const char *__needle) + __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2)); +extern __const char *strstr (__const char *__haystack, + __const char *__needle) + __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2)); + +# ifdef __OPTIMIZE__ +__extern_always_inline char * +strstr (char *__haystack, __const char *__needle) __THROW +{ + return __builtin_strstr (__haystack, __needle); +} + +__extern_always_inline __const char * +strstr (__const char *__haystack, __const char *__needle) __THROW +{ + return __builtin_strstr (__haystack, __needle); +} +# endif +} +#else extern char *strstr (__const char *__haystack, __const char *__needle) __THROW __attribute_pure__ __nonnull ((1, 2)); +#endif /* Divide S into tokens separated by characters in DELIM. */ @@ -214,8 +361,16 @@ extern char *strtok_r (char *__restrict __s, __const char *__restrict __delim, #ifdef __USE_GNU /* Similar to `strstr' but this function ignores the case of both strings. */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" char *strcasestr (char *__haystack, __const char *__needle) + __THROW __asm ("strcasestr") __attribute_pure__ __nonnull ((1, 2)); +extern "C++" __const char *strcasestr (__const char *__haystack, + __const char *__needle) + __THROW __asm ("strcasestr") __attribute_pure__ __nonnull ((1, 2)); +# else extern char *strcasestr (__const char *__haystack, __const char *__needle) __THROW __attribute_pure__ __nonnull ((1, 2)); +# endif #endif #ifdef __USE_GNU @@ -306,12 +461,60 @@ extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence of C in S (same as strchr). */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *index (char *__s, int __c) + __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); +extern __const char *index (__const char *__s, int __c) + __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO +__extern_always_inline char * +index (char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} + +__extern_always_inline __const char * +index (__const char *__s, int __c) __THROW +{ + return __builtin_index (__s, __c); +} +# endif +} +# else extern char *index (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +# endif /* Find the last occurrence of C in S (same as strrchr). */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" +{ +extern char *rindex (char *__s, int __c) + __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); +extern __const char *rindex (__const char *__s, int __c) + __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); + +# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO +__extern_always_inline char * +rindex (char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} + +__extern_always_inline __const char * +rindex (__const char *__s, int __c) __THROW +{ + return __builtin_rindex (__s, __c); +} +#endif +} +# else extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); +# endif /* Return the position of the first bit set in I, or 0 if none are set. The least-significant bit is position 1, the most-significant 32. */ @@ -390,7 +593,14 @@ extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1)); declare the function if the `basename' macro is available (defined in <libgen.h>) which makes the XPG version of this function available. */ +# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO +extern "C++" char *basename (char *__filename) + __THROW __asm ("basename") __nonnull ((1)); +extern "C++" __const char *basename (__const char *__filename) + __THROW __asm ("basename") __nonnull ((1)); +# else extern char *basename (__const char *__filename) __THROW __nonnull ((1)); +# endif # endif #endif |