4be7a2dcf3
by the application, all NetBSD interfaces are made visible, even if some other feature-test macro (like _POSIX_C_SOURCE) is defined. <sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE, _POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve existing behaviour. This has two major advantages: + Programs that require non-POSIX facilities but define _POSIX_C_SOURCE can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS. + It makes most of the #ifs simpler, in that they're all now ORs of the various macros, rather than having checks for (!defined(_ANSI_SOURCE) || !defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place. I've tried not to change the semantics of the headers in any case where _NETBSD_SOURCE wasn't defined, but there were some places where the current semantics were clearly mad, and retaining them was harder than correcting them. In particular, I've mostly normalised things so that _ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE, _XOPEN_SOURCE and _NETBSD_SOURCE in that order. Tested by building for vax, encouraged by thorpej, and uncontested in tech-userlevel for a week.
94 lines
3.9 KiB
C
94 lines
3.9 KiB
C
/* $NetBSD: string.h,v 1.24 2003/04/28 23:16:15 bjh21 Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)string.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _STRING_H_
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#define _STRING_H_
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#include <machine/ansi.h>
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#undef _BSD_SIZE_T_
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#endif
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#include <sys/null.h>
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#include <sys/cdefs.h>
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#include <sys/featuretest.h>
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__BEGIN_DECLS
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void *memchr __P((const void *, int, size_t));
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int memcmp __P((const void *, const void *, size_t));
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void *memcpy __P((void * __restrict, const void * __restrict, size_t));
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void *memmove __P((void *, const void *, size_t));
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void *memset __P((void *, int, size_t));
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char *strcat __P((char * __restrict, const char * __restrict));
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char *strchr __P((const char *, int));
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int strcmp __P((const char *, const char *));
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int strcoll __P((const char *, const char *));
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char *strcpy __P((char * __restrict, const char * __restrict));
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size_t strcspn __P((const char *, const char *));
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__aconst char *strerror __P((int));
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size_t strlen __P((const char *));
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char *strncat __P((char * __restrict, const char * __restrict, size_t));
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int strncmp __P((const char *, const char *, size_t));
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char *strncpy __P((char * __restrict, const char * __restrict, size_t));
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char *strpbrk __P((const char *, const char *));
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char *strrchr __P((const char *, int));
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size_t strspn __P((const char *, const char *));
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char *strstr __P((const char *, const char *));
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char *strtok __P((char * __restrict, const char * __restrict));
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#if (_POSIX_C_SOURCE - 0 >= 199506L) || (_XOPEN_SOURCE - 0 >= 500) || \
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defined(_REENTRANT) || defined(_NETBSD_SOURCE)
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char *strtok_r __P((char *, const char *, char **));
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#endif /* _POSIX_C_SOURCE >= 199506 || XOPEN_SOURCE >= 500 || ... */
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size_t strxfrm __P((char * __restrict, const char * __restrict, size_t));
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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void *memccpy __P((void *, const void *, int, size_t));
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char *strdup __P((const char *));
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#endif
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#if defined(_NETBSD_SOURCE)
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#include <strings.h> /* for backwards-compatibilty */
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size_t strlcat __P((char *, const char *, size_t));
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size_t strlcpy __P((char *, const char *, size_t));
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char *strsep __P((char **, const char *));
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#endif
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__END_DECLS
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#endif /* !defined(_STRING_H_) */
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