123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 |
- /* Copyright (C) 1991,92,96,97,99,2000,2001,2009 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
- 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/>. */
- #ifndef _STRINGS_H
- #define _STRINGS_H 1
- /* We don't need and should not read this file if <string.h> was already
- read. The one exception being that if __USE_BSD isn't defined, then
- these aren't defined in string.h, so we need to define them here. */
- /* keep this file in sync w/ string.h, the glibc version is out of date */
- #if !defined _STRING_H || !defined __USE_BSD
- # include <features.h>
- # define __need_size_t
- # include <stddef.h>
- __BEGIN_DECLS
- # ifdef __UCLIBC_SUSV3_LEGACY__
- /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */
- extern void bcopy (const void *__src, void *__dest, size_t __n)
- __THROW __nonnull ((1, 2));
- /* Set N bytes of S to 0. */
- extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
- /* Compare N bytes of S1 and S2 (same as memcmp). */
- 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). */
- extern char *index (const char *__s, int __c)
- __THROW __attribute_pure__ __nonnull ((1));
- /* Find the last occurrence of C in S (same as strrchr). */
- extern char *rindex (const char *__s, int __c)
- __THROW __attribute_pure__ __nonnull ((1));
- # else
- # ifdef __UCLIBC_SUSV3_LEGACY_MACROS__
- /* bcopy/bzero/bcmp/index/rindex are marked LEGACY in SuSv3.
- * They are replaced as proposed by SuSv3. Don't sync this part
- * with glibc and keep it in sync with string.h. */
- # define bcopy(src,dest,n) (memmove((dest), (src), (n)), (void) 0)
- # define bzero(s,n) (memset((s), '\0', (n)), (void) 0)
- # define bcmp(s1,s2,n) memcmp((s1), (s2), (size_t)(n))
- # define index(s,c) strchr((s), (c))
- # define rindex(s,c) strrchr((s), (c))
- # endif
- # 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. */
- extern int ffs (int __i) __THROW __attribute__ ((__const__));
- libc_hidden_proto(ffs)
- /* The following two functions are non-standard but necessary for non-32 bit
- platforms. */
- # ifdef __USE_GNU
- extern int ffsl (long int __l) __THROW __attribute__ ((__const__));
- # ifdef __GNUC__
- __extension__ extern int ffsll (long long int __ll)
- __THROW __attribute__ ((__const__));
- # endif
- # endif
- /* Compare S1 and S2, ignoring case. */
- extern int strcasecmp (const char *__s1, const char *__s2)
- __THROW __attribute_pure__ __nonnull ((1, 2));
- libc_hidden_proto(strcasecmp)
- /* Compare no more than N chars of S1 and S2, ignoring case. */
- extern int strncasecmp (const char *__s1, const char *__s2, size_t __n)
- __THROW __attribute_pure__ __nonnull ((1, 2));
- libc_hidden_proto(strncasecmp)
- #if defined __USE_XOPEN2K8 && defined __UCLIBC_HAS_XLOCALE__
- /* The following functions are equivalent to the both above but they
- take the locale they use for the collation as an extra argument.
- This is not standardsized but something like will come. */
- # include <xlocale.h>
- /* Again versions of a few functions which use the given locale instead
- of the global one. */
- extern int strcasecmp_l (const char *__s1, const char *__s2,
- __locale_t __loc)
- __THROW __attribute_pure__ __nonnull ((1, 2, 3));
- libc_hidden_proto(strcasecmp_l)
- extern int strncasecmp_l (const char *__s1, const char *__s2,
- size_t __n, __locale_t __loc)
- __THROW __attribute_pure__ __nonnull ((1, 2, 4));
- libc_hidden_proto(strncasecmp_l)
- #endif
- __END_DECLS
- #ifdef _LIBC
- /* comment is wrong and will face this, when HAS_GNU option will be added
- * header is SuSv standard */
- #error "<strings.h> should not be included from libc."
- #endif
- #endif /* string.h */
- #endif /* strings.h */
|