1/* $NetBSD: string.h,v 1.58 2024/12/09 12:09:02 nros 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_
39typedef _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#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
49# ifndef __LOCALE_T_DECLARED
50typedef struct _locale *locale_t;
51# define __LOCALE_T_DECLARED
52# endif
53#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
54
55__BEGIN_DECLS
56#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) || \
57 (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE)
58void *memccpy(void *, const void *, int, size_t);
59#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE || _ISOC23_SOURCE */
60void *memchr(const void *, int, size_t);
61int memcmp(const void *, const void *, size_t);
62void *memcpy(void * __restrict, const void * __restrict, size_t);
63#if (_POSIX_C_SOURCE - 0 >= 202405L) || defined(_NETBSD_SOURCE)
64void *memmem(const void *, size_t, const void *, size_t);
65#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
66void *memmove(void *, const void *, size_t);
67void *memset(void *, int, size_t);
68#if (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE) || \
69 defined(_NETBSD_SOURCE)
70void *memset_explicit(void *, int, size_t);
71#endif
72#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
73char *stpcpy(char * __restrict, const char * __restrict);
74char *stpncpy(char * __restrict, const char * __restrict, size_t);
75#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
76char *strcat(char * __restrict, const char * __restrict);
77char *strchr(const char *, int);
78int strcmp(const char *, const char *);
79int strcoll(const char *, const char *);
80#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
81int strcoll_l(const char *, const char *, locale_t);
82#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
83char *strcpy(char * __restrict, const char * __restrict);
84size_t strcspn(const char *, const char *);
85#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_XOPEN_SOURCE) || \
86 defined(_NETBSD_SOURCE) || (__STDC_VERSION__ - 0 >= 202311L) || \
87 defined(_ISOC23_SOURCE)
88char *strdup(const char *);
89#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE ||
90 * _ISOC23_SOURCE
91 */
92__aconst char *strerror(int);
93#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
94__aconst char *strerror_l(int, locale_t);
95#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
96#if (_POSIX_C_SOURCE - 0 >= 200112L) || \
97 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
98int strerror_r(int, char *, size_t);
99#endif /* _POSIX_C_SOURCE || _REENTRANT || _NETBSD_SOURCE */
100#if (_POSIX_C_SOURCE - 0 >= 202405L) || defined(_NETBSD_SOURCE)
101size_t strlcat(char * __restrict, const char * __restrict, size_t);
102size_t strlcpy(char * __restrict, const char * __restrict, size_t);
103#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
104size_t strlen(const char *);
105char *strncat(char * __restrict, const char * __restrict, size_t);
106int strncmp(const char *, const char *, size_t);
107char *strncpy(char * __restrict, const char * __restrict, size_t);
108#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE) || \
109 (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE)
110char *strndup(const char *, size_t);
111#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE || _ISOC23_SOURCE */
112#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
113size_t strnlen(const char *, size_t);
114#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
115char *strpbrk(const char *, const char *);
116char *strrchr(const char *, int);
117#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
118#ifndef __STRSIGNAL_DECLARED
119#define __STRSIGNAL_DECLARED
120/* also in unistd.h */
121__aconst char *strsignal(int);
122#endif /* __STRSIGNAL_DECLARED */
123#endif
124size_t strspn(const char *, const char *);
125char *strstr(const char *, const char *);
126char *strtok(char * __restrict, const char * __restrict);
127#if (_POSIX_C_SOURCE - 0 >= 200112L) || \
128 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
129char *strtok_r(char *, const char *, char **);
130#endif /* _POSIX_C_SOURCE || _REENTRANT || _NETBSD_SOURCE */
131size_t strxfrm(char * __restrict, const char * __restrict, size_t);
132#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
133size_t strxfrm_l(char * __restrict, const char * __restrict, size_t,
134 locale_t);
135#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
136__END_DECLS
137
138#if defined(_NETBSD_SOURCE)
139#include <strings.h> /* for backwards-compatibility */
140__BEGIN_DECLS
141char *strcasestr(const char *, const char *);
142char *strchrnul(const char *, int);
143char *strsep(char **, const char *);
144char *stresep(char **, const char *, int);
145char *strnstr(const char *, const char *, size_t);
146void *memrchr(const void *, int, size_t);
147void *mempcpy(void * __restrict, const void * __restrict, size_t);
148void *explicit_memset(void *, int, size_t);
149int consttime_memequal(const void *, const void *, size_t);
150__END_DECLS
151#endif /* _NETBSD_SOURCE */
152
153#if _FORTIFY_SOURCE > 0
154#include <ssp/string.h>
155#endif
156#endif /* !defined(_STRING_H_) */