diff options
Diffstat (limited to 'string/string.h')
| -rw-r--r-- | string/string.h | 544 |
1 files changed, 0 insertions, 544 deletions
diff --git a/string/string.h b/string/string.h deleted file mode 100644 index 8eed67d77d..0000000000 --- a/string/string.h +++ /dev/null @@ -1,544 +0,0 @@ -/* Copyright (C) 1991-2017 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* - * ISO C99 Standard: 7.21 String handling <string.h> - */ - -#ifndef _STRING_H -#define _STRING_H 1 - -#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION -#include <bits/libc-header-start.h> - -__BEGIN_DECLS - -/* Get size_t and NULL from <stddef.h>. */ -#define __need_size_t -#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 - - -/* Copy N bytes of SRC to DEST. */ -extern void *memcpy (void *__restrict __dest, const void *__restrict __src, - size_t __n) __THROW __nonnull ((1, 2)); -/* Copy N bytes of SRC to DEST, guaranteeing - correct behavior for overlapping strings. */ -extern void *memmove (void *__dest, const void *__src, size_t __n) - __THROW __nonnull ((1, 2)); - -/* Copy no more than N bytes of SRC to DEST, stopping when C is found. - Return the position in DEST one byte past where C was copied, - or NULL if C was not found in the first N bytes of SRC. */ -#if defined __USE_MISC || defined __USE_XOPEN -extern void *memccpy (void *__restrict __dest, const void *__restrict __src, - int __c, size_t __n) - __THROW __nonnull ((1, 2)); -#endif /* Misc || X/Open. */ - - -/* Set N bytes of S to C. */ -extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1)); - -/* Compare N bytes of S1 and S2. */ -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 - -#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 - - -/* Copy SRC to DEST. */ -extern char *strcpy (char *__restrict __dest, const char *__restrict __src) - __THROW __nonnull ((1, 2)); -/* Copy no more than N characters of SRC to DEST. */ -extern char *strncpy (char *__restrict __dest, - const char *__restrict __src, size_t __n) - __THROW __nonnull ((1, 2)); - -/* Append SRC onto DEST. */ -extern char *strcat (char *__restrict __dest, const char *__restrict __src) - __THROW __nonnull ((1, 2)); -/* Append no more than N characters from SRC onto DEST. */ -extern char *strncat (char *__restrict __dest, const char *__restrict __src, - size_t __n) __THROW __nonnull ((1, 2)); - -/* Compare S1 and S2. */ -extern int strcmp (const char *__s1, const char *__s2) - __THROW __attribute_pure__ __nonnull ((1, 2)); -/* Compare N characters of S1 and S2. */ -extern int strncmp (const char *__s1, const char *__s2, size_t __n) - __THROW __attribute_pure__ __nonnull ((1, 2)); - -/* Compare the collated forms of S1 and S2. */ -extern int strcoll (const char *__s1, const char *__s2) - __THROW __attribute_pure__ __nonnull ((1, 2)); -/* Put a transformation of SRC into no more than N bytes of DEST. */ -extern size_t strxfrm (char *__restrict __dest, - const char *__restrict __src, size_t __n) - __THROW __nonnull ((2)); - -#ifdef __USE_XOPEN2K8 -# include <xlocale.h> - -/* Compare the collated forms of S1 and S2, using sorting rules from L. */ -extern int strcoll_l (const char *__s1, const char *__s2, __locale_t __l) - __THROW __attribute_pure__ __nonnull ((1, 2, 3)); -/* Put a transformation of SRC into no more than N bytes of DEST, - using sorting rules from L. */ -extern size_t strxfrm_l (char *__dest, const char *__src, size_t __n, - __locale_t __l) __THROW __nonnull ((2, 4)); -#endif - -#if (defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 \ - || __GLIBC_USE (LIB_EXT2)) -/* Duplicate S, returning an identical malloc'd string. */ -extern char *strdup (const char *__s) - __THROW __attribute_malloc__ __nonnull ((1)); -#endif - -/* 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]. */ -#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2) -extern char *strndup (const char *__string, size_t __n) - __THROW __attribute_malloc__ __nonnull ((1)); -#endif - -#if defined __USE_GNU && defined __GNUC__ -/* Duplicate S, returning an identical alloca'd string. */ -# define strdupa(s) \ - (__extension__ \ - ({ \ - const char *__old = (s); \ - size_t __len = strlen (__old) + 1; \ - char *__new = (char *) __builtin_alloca (__len); \ - (char *) memcpy (__new, __old, __len); \ - })) - -/* Return an alloca'd copy of at most N bytes of string. */ -# define strndupa(s, n) \ - (__extension__ \ - ({ \ - const char *__old = (s); \ - size_t __len = strnlen (__old, (n)); \ - char *__new = (char *) __builtin_alloca (__len + 1); \ - __new[__len] = '\0'; \ - (char *) memcpy (__new, __old, __len); \ - })) -#endif - -/* 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 - -#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 - -/* Return the length of the initial segment of S which - consists entirely of characters not in REJECT. */ -extern size_t strcspn (const char *__s, const char *__reject) - __THROW __attribute_pure__ __nonnull ((1, 2)); -/* Return the length of the initial segment of S which - consists entirely of characters in ACCEPT. */ -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. */ -extern char *strtok (char *__restrict __s, const char *__restrict __delim) - __THROW __nonnull ((2)); - -/* Divide S into tokens separated by characters in DELIM. Information - passed between calls are stored in SAVE_PTR. */ -extern char *__strtok_r (char *__restrict __s, - const char *__restrict __delim, - char **__restrict __save_ptr) - __THROW __nonnull ((2, 3)); -#ifdef __USE_POSIX -extern char *strtok_r (char *__restrict __s, const char *__restrict __delim, - char **__restrict __save_ptr) - __THROW __nonnull ((2, 3)); -#endif - -#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 -/* Find the first occurrence of NEEDLE in HAYSTACK. - NEEDLE is NEEDLELEN bytes long; - HAYSTACK is HAYSTACKLEN bytes long. */ -extern void *memmem (const void *__haystack, size_t __haystacklen, - const void *__needle, size_t __needlelen) - __THROW __attribute_pure__ __nonnull ((1, 3)); - -/* Copy N bytes of SRC to DEST, return pointer to bytes after the - last written byte. */ -extern void *__mempcpy (void *__restrict __dest, - const void *__restrict __src, size_t __n) - __THROW __nonnull ((1, 2)); -extern void *mempcpy (void *__restrict __dest, - const void *__restrict __src, size_t __n) - __THROW __nonnull ((1, 2)); -#endif - - -/* Return the length of S. */ -extern size_t strlen (const char *__s) - __THROW __attribute_pure__ __nonnull ((1)); - -#ifdef __USE_XOPEN2K8 -/* Find the length of STRING, but scan at most MAXLEN characters. - If no '\0' terminator is found in that many characters, return MAXLEN. */ -extern size_t strnlen (const char *__string, size_t __maxlen) - __THROW __attribute_pure__ __nonnull ((1)); -#endif - - -/* Return a string describing the meaning of the `errno' code in ERRNUM. */ -extern char *strerror (int __errnum) __THROW; -#ifdef __USE_XOPEN2K -/* Reentrant version of `strerror'. - There are 2 flavors of `strerror_r', GNU which returns the string - and may or may not use the supplied temporary buffer and POSIX one - which fills the string into the buffer. - To use the POSIX version, -D_XOPEN_SOURCE=600 or -D_POSIX_C_SOURCE=200112L - without -D_GNU_SOURCE is needed, otherwise the GNU version is - preferred. */ -# if defined __USE_XOPEN2K && !defined __USE_GNU -/* Fill BUF with a string describing the meaning of the `errno' code in - ERRNUM. */ -# ifdef __REDIRECT_NTH -extern int __REDIRECT_NTH (strerror_r, - (int __errnum, char *__buf, size_t __buflen), - __xpg_strerror_r) __nonnull ((2)); -# else -extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen) - __THROW __nonnull ((2)); -# define strerror_r __xpg_strerror_r -# endif -# else -/* If a temporary buffer is required, at most BUFLEN bytes of BUF will be - used. */ -extern char *strerror_r (int __errnum, char *__buf, size_t __buflen) - __THROW __nonnull ((2)) __wur; -# endif -#endif - -#ifdef __USE_XOPEN2K8 -/* Translate error number to string according to the locale L. */ -extern char *strerror_l (int __errnum, __locale_t __l) __THROW; -#endif - -#ifdef __USE_MISC -# include <strings.h> - -/* Set N bytes of S to 0. The compiler will not delete a call to this - function, even if S is dead after the call. */ -extern void explicit_bzero (void *__s, size_t __n) __THROW __nonnull ((1)); - -/* Return the next DELIM-delimited token from *STRINGP, - terminating it with a '\0', and update *STRINGP to point past it. */ -extern char *strsep (char **__restrict __stringp, - const char *__restrict __delim) - __THROW __nonnull ((1, 2)); -#endif - -#ifdef __USE_XOPEN2K8 -/* Return a string describing the meaning of the signal number in SIG. */ -extern char *strsignal (int __sig) __THROW; - -/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ -extern char *__stpcpy (char *__restrict __dest, const char *__restrict __src) - __THROW __nonnull ((1, 2)); -extern char *stpcpy (char *__restrict __dest, const char *__restrict __src) - __THROW __nonnull ((1, 2)); - -/* Copy no more than N characters of SRC to DEST, returning the address of - the last character written into DEST. */ -extern char *__stpncpy (char *__restrict __dest, - const char *__restrict __src, size_t __n) - __THROW __nonnull ((1, 2)); -extern char *stpncpy (char *__restrict __dest, - const char *__restrict __src, size_t __n) - __THROW __nonnull ((1, 2)); -#endif - -#ifdef __USE_GNU -/* Compare S1 and S2 as strings holding name & indices/version numbers. */ -extern int strverscmp (const char *__s1, const char *__s2) - __THROW __attribute_pure__ __nonnull ((1, 2)); - -/* Sautee STRING briskly. */ -extern char *strfry (char *__string) __THROW __nonnull ((1)); - -/* Frobnicate N bytes of S. */ -extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1)); - -# ifndef basename -/* Return the file name within directory of FILENAME. We don't - 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 - - -#if __GNUC_PREREQ (3,4) -# if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ \ - && !defined __NO_INLINE__ && !defined __cplusplus -/* When using GNU CC we provide some optimized versions of selected - functions from this header. There are two kinds of optimizations: - - - machine-dependent optimizations, most probably using inline - assembler code; these might be quite expensive since the code - size can increase significantly. - These optimizations are not used unless the symbol - __USE_STRING_INLINES - is defined before including this header. - - - machine-independent optimizations which do not increase the - code size significantly and which optimize mainly situations - where one or more arguments are compile-time constants. - These optimizations are used always when the compiler is - taught to optimize. - - One can inhibit all optimizations by defining __NO_STRING_INLINES. */ - -/* Get the machine-dependent optimizations (if any). */ -# include <bits/string.h> - -/* These are generic optimizations which do not add too much inline code. */ -# include <bits/string2.h> -# endif - -# if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function -/* Functions with security checks. */ -# include <bits/string3.h> -# endif -#endif - -#if defined __USE_GNU && defined __OPTIMIZE__ \ - && defined __extern_always_inline && __GNUC_PREREQ (3,2) -# if !defined _FORCE_INLINES && !defined _HAVE_STRING_ARCH_mempcpy - -#define mempcpy(dest, src, n) __mempcpy_inline (dest, src, n) -#define __mempcpy(dest, src, n) __mempcpy_inline (dest, src, n) - -__extern_always_inline void * -__mempcpy_inline (void *__restrict __dest, - const void *__restrict __src, size_t __n) -{ - return (char *) memcpy (__dest, __src, __n) + __n; -} - -# endif -#endif - -__END_DECLS - -#endif /* string.h */ |