IABSD.fr/src/include/string.h

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• Author : guenther
  Date : 2024-08-03 20:13:23
  Hash : 4af81b37
  Message : The improbable occurred: strlcpy(3) and strlcat(3) are in POSIX-2024. memmem(3) was also added. Update #include visibility and manpages and add restrict qualifiers. "never thought I'd see this day" millert@

• include/string.h

• /*	$OpenBSD: string.h,v 1.34 2024/08/03 20:13:23 guenther Exp $	*/
  /*	$NetBSD: string.h,v 1.6 1994/10/26 00:56:30 cgd Exp $	*/
  
  /*-
   * Copyright (c) 1990 The Regents of the University of California.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)string.h	5.10 (Berkeley) 3/9/91
   */
  
  #ifndef _STRING_H_
  #define	_STRING_H_
  
  #include <sys/cdefs.h>
  #include <sys/_null.h>
  #include <sys/_types.h>
  
  /*
   * POSIX mandates that certain string functions not present in ISO C
   * be prototyped in strings.h.  Historically, we've included them here.
   */
  #if __BSD_VISIBLE
  #include <strings.h>
  #endif
  
  #ifndef	_SIZE_T_DEFINED_
  #define	_SIZE_T_DEFINED_
  typedef	__size_t	size_t;
  #endif
  
  #if __POSIX_VISIBLE >= 200809
  #ifndef _LOCALE_T_DEFINED_
  #define _LOCALE_T_DEFINED_
  typedef void	*locale_t;
  #endif
  #endif
  
  __BEGIN_DECLS
  void	*memchr(const void *, int, size_t);
  int	 memcmp(const void *, const void *, size_t);
  void	*memcpy(void *__restrict, const void *__restrict, size_t)
  		__attribute__ ((__bounded__(__buffer__,1,3)))
  		__attribute__ ((__bounded__(__buffer__,2,3)));
  void	*memmove(void *, const void *, size_t)
  		__attribute__ ((__bounded__(__buffer__,1,3)))
  		__attribute__ ((__bounded__(__buffer__,2,3)));
  void	*memset(void *, int, size_t)
  		__attribute__ ((__bounded__(__buffer__,1,3)));
  char	*strcat(char *__restrict, const char *__restrict);
  char	*strchr(const char *, int);
  int	 strcmp(const char *, const char *);
  int	 strcoll(const char *, const char *);
  char	*strcpy(char *__restrict, const char *__restrict);
  size_t	 strcspn(const char *, const char *);
  char	*strerror(int);
  size_t	 strlen(const char *);
  char	*strncat(char *__restrict, const char *__restrict, size_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  int	 strncmp(const char *, const char *, size_t);
  char	*strncpy(char *__restrict, const char *__restrict, size_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  char	*strpbrk(const char *, const char *);
  char	*strrchr(const char *, int);
  size_t	 strspn(const char *, const char *);
  char	*strstr(const char *, const char *);
  char	*strtok(char *__restrict, const char *__restrict);
  char	*strtok_r(char *__restrict, const char *__restrict, char **__restrict);
  size_t	 strxfrm(char *__restrict, const char *__restrict, size_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  
  #if __XPG_VISIBLE
  void	*memccpy(void *__restrict, const void *__restrict, int, size_t)
  		__attribute__ ((__bounded__(__buffer__,1,4)));
  #endif
  
  #if __POSIX_VISIBLE >= 200112
  int	 strerror_r(int, char *, size_t)
  	    __attribute__ ((__bounded__(__string__,2,3)));
  #endif
  
  #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
  char	*strdup(const char *);
  #endif
  
  #if __POSIX_VISIBLE >= 200809
  char	*stpcpy(char *__restrict, const char *__restrict);
  char	*stpncpy(char *__restrict, const char *__restrict, size_t);
  int	 strcoll_l(const char *, const char *, locale_t);
  char	*strerror_l(int, locale_t);
  char	*strndup(const char *, size_t);
  size_t	 strnlen(const char *, size_t);
  char	*strsignal(int);
  size_t	 strxfrm_l(char *__restrict, const char *__restrict, size_t, locale_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  #endif
  
  #if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE
  void	*memmem(const void *, size_t, const void *, size_t);
  size_t	 strlcat(char *__restrict, const char *__restrict, size_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  size_t	 strlcpy(char *__restrict, const char *__restrict, size_t)
  		__attribute__ ((__bounded__(__string__,1,3)));
  #endif
  
  #if __BSD_VISIBLE
  void	 explicit_bzero(void *, size_t)
  		__attribute__ ((__bounded__(__buffer__,1,2)));
  void	*memrchr(const void *, int, size_t);
  char	*strcasestr(const char *, const char *);
  void	 strmode(__mode_t, char *);
  char	*strsep(char **, const char *);
  int	 timingsafe_bcmp(const void *, const void *, size_t);
  int	 timingsafe_memcmp(const void *, const void *, size_t);
  #endif 
  __END_DECLS
  
  #endif /* _STRING_H_ */