xref: /netbsd-src/include/string.h (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /*	$NetBSD: string.h,v 1.52 2018/02/20 02:35:24 kamil Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)string.h	8.1 (Berkeley) 6/2/93
32  */
33 
34 #ifndef _STRING_H_
35 #define	_STRING_H_
36 #include <machine/ansi.h>
37 
38 #ifdef	_BSD_SIZE_T_
39 typedef	_BSD_SIZE_T_	size_t;
40 #undef	_BSD_SIZE_T_
41 #endif
42 
43 #include <sys/null.h>
44 
45 #include <sys/cdefs.h>
46 #include <sys/featuretest.h>
47 
48 __BEGIN_DECLS
49 void	*memchr(const void *, int, size_t);
50 int	 memcmp(const void *, const void *, size_t);
51 void	*memcpy(void * __restrict, const void * __restrict, size_t);
52 void	*memmove(void *, const void *, size_t);
53 void	*memset(void *, int, size_t);
54 char	*strcat(char * __restrict, const char * __restrict);
55 char	*strchr(const char *, int);
56 int	 strcmp(const char *, const char *);
57 int	 strcoll(const char *, const char *);
58 char	*strcpy(char * __restrict, const char * __restrict);
59 size_t	 strcspn(const char *, const char *);
60 __aconst char *strerror(int);
61 size_t	 strlen(const char *);
62 char	*strncat(char * __restrict, const char * __restrict, size_t);
63 int	 strncmp(const char *, const char *, size_t);
64 char	*strncpy(char * __restrict, const char * __restrict, size_t);
65 char	*strpbrk(const char *, const char *);
66 char	*strrchr(const char *, int);
67 size_t	 strspn(const char *, const char *);
68 char	*strstr(const char *, const char *);
69 char	*strtok(char * __restrict, const char * __restrict);
70 #if (_POSIX_C_SOURCE - 0 >= 199506L) || (_XOPEN_SOURCE - 0 >= 500) || \
71     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
72 char	*strtok_r(char *, const char *, char **);
73 int	 strerror_r(int, char *, size_t);
74 #endif /* _POSIX_C_SOURCE >= 199506 || XOPEN_SOURCE >= 500 || ... */
75 size_t	 strxfrm(char * __restrict, const char * __restrict, size_t);
76 
77 #if (_POSIX_C_SOURCE - 0 >= 200112L) || defined(_XOPEN_SOURCE) || \
78     defined(_NETBSD_SOURCE)
79 void	*memccpy(void *, const void *, int, size_t);
80 char	*strdup(const char *);
81 #endif
82 
83 #if (_POSIX_C_SOURCE - 0 >= 200809L) || (_XOPEN_SOURCE - 0 >= 700) || \
84     defined(_NETBSD_SOURCE)
85 char	*stpcpy(char * __restrict, const char * __restrict);
86 char	*stpncpy(char * __restrict, const char * __restrict, size_t);
87 char	*strndup(const char *, size_t);
88 size_t	strnlen(const char *, size_t);
89 #ifndef __STRSIGNAL_DECLARED
90 #define __STRSIGNAL_DECLARED
91 /* also in unistd.h */
92 __aconst char *strsignal(int);
93 #endif /* __STRSIGNAL_DECLARED */
94 #endif
95 __END_DECLS
96 
97 #if defined(_NETBSD_SOURCE)
98 #include <strings.h>		/* for backwards-compatibilty */
99 __BEGIN_DECLS
100 void	*memmem(const void *, size_t, const void *, size_t);
101 char	*strcasestr(const char *, const char *);
102 char	*strchrnul(const char *, int);
103 size_t	 strlcat(char *, const char *, size_t);
104 size_t	 strlcpy(char *, const char *, size_t);
105 char	*strsep(char **, const char *);
106 char	*stresep(char **, const char *, int);
107 char	*strnstr(const char *, const char *, size_t);
108 void	*memrchr(const void *, int, size_t);
109 void	*explicit_memset(void *, int, size_t);
110 int	consttime_memequal(const void *, const void *, size_t);
111 __END_DECLS
112 #endif
113 
114 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
115 #  ifndef __LOCALE_T_DECLARED
116 typedef struct _locale		*locale_t;
117 #  define __LOCALE_T_DECLARED
118 #  endif
119 __BEGIN_DECLS
120 int	 strcoll_l(const char *, const char *, locale_t);
121 size_t	 strxfrm_l(char * __restrict, const char * __restrict, size_t, locale_t);
122 __aconst char *strerror_l(int, locale_t);
123 __END_DECLS
124 #endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
125 
126 #if _FORTIFY_SOURCE > 0
127 #include <ssp/string.h>
128 #endif
129 #endif /* !defined(_STRING_H_) */
130