string.h
1 /* 2 * Copyright (c) 2000, 2007, 2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 /*- 24 * Copyright (c) 1990, 1993 25 * The Regents of the University of California. All rights reserved. 26 * 27 * Redistribution and use in source and binary forms, with or without 28 * modification, are permitted provided that the following conditions 29 * are met: 30 * 1. Redistributions of source code must retain the above copyright 31 * notice, this list of conditions and the following disclaimer. 32 * 2. Redistributions in binary form must reproduce the above copyright 33 * notice, this list of conditions and the following disclaimer in the 34 * documentation and/or other materials provided with the distribution. 35 * 3. All advertising materials mentioning features or use of this software 36 * must display the following acknowledgement: 37 * This product includes software developed by the University of 38 * California, Berkeley and its contributors. 39 * 4. Neither the name of the University nor the names of its contributors 40 * may be used to endorse or promote products derived from this software 41 * without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 53 * SUCH DAMAGE. 54 * 55 * @(#)string.h 8.1 (Berkeley) 6/2/93 56 */ 57 58 #ifndef _STRING_H_ 59 #define _STRING_H_ 60 61 #include <_types.h> 62 #include <sys/cdefs.h> 63 #include <Availability.h> 64 #include <sys/_types/_size_t.h> 65 #include <sys/_types/_null.h> 66 67 /* ANSI-C */ 68 69 __BEGIN_DECLS 70 void *memchr(const void *__s, int __c, size_t __n); 71 int memcmp(const void *__s1, const void *__s2, size_t __n); 72 void *memcpy(void *__dst, const void *__src, size_t __n); 73 void *memmove(void *__dst, const void *__src, size_t __len); 74 void *memset(void *__b, int __c, size_t __len); 75 #ifndef UNIFDEF_DRIVERKIT 76 char *strcat(char *__s1, const char *__s2); 77 #endif /* UNIFDEF_DRIVERKIT */ 78 char *strchr(const char *__s, int __c); 79 int strcmp(const char *__s1, const char *__s2); 80 int strcoll(const char *__s1, const char *__s2); 81 #ifndef UNIFDEF_DRIVERKIT 82 char *strcpy(char *__dst, const char *__src); 83 #endif /* UNIFDEF_DRIVERKIT */ 84 size_t strcspn(const char *__s, const char *__charset); 85 char *strerror(int __errnum) __DARWIN_ALIAS(strerror); 86 size_t strlen(const char *__s); 87 char *strncat(char *__s1, const char *__s2, size_t __n); 88 int strncmp(const char *__s1, const char *__s2, size_t __n); 89 char *strncpy(char *__dst, const char *__src, size_t __n); 90 char *strpbrk(const char *__s, const char *__charset); 91 char *strrchr(const char *__s, int __c); 92 size_t strspn(const char *__s, const char *__charset); 93 char *strstr(const char *__big, const char *__little); 94 char *strtok(char *__str, const char *__sep); 95 size_t strxfrm(char *__s1, const char *__s2, size_t __n); 96 __END_DECLS 97 98 99 100 /* Additional functionality provided by: 101 * POSIX.1c-1995, 102 * POSIX.1i-1995, 103 * and the omnibus ISO/IEC 9945-1: 1996 104 */ 105 106 #if __DARWIN_C_LEVEL >= 199506L 107 __BEGIN_DECLS 108 char *strtok_r(char *__str, const char *__sep, char **__lasts); 109 __END_DECLS 110 #endif /* __DARWIN_C_LEVEL >= 199506L */ 111 112 113 114 /* Additional functionality provided by: 115 * POSIX.1-2001 116 */ 117 118 #if __DARWIN_C_LEVEL >= 200112L 119 __BEGIN_DECLS 120 int strerror_r(int __errnum, char *__strerrbuf, size_t __buflen); 121 char *strdup(const char *__s1); 122 void *memccpy(void *__dst, const void *__src, int __c, size_t __n); 123 __END_DECLS 124 #endif /* __DARWIN_C_LEVEL >= 200112L */ 125 126 127 128 /* Additional functionality provided by: 129 * POSIX.1-2008 130 */ 131 132 #if __DARWIN_C_LEVEL >= 200809L 133 __BEGIN_DECLS 134 #ifndef UNIFDEF_DRIVERKIT 135 char *stpcpy(char *__dst, const char *__src); 136 #endif /* UNIFDEF_DRIVERKIT */ 137 char *stpncpy(char *__dst, const char *__src, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 138 char *strndup(const char *__s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 139 size_t strnlen(const char *__s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 140 char *strsignal(int __sig); 141 __END_DECLS 142 #endif /* __DARWIN_C_LEVEL >= 200809L */ 143 144 /* C11 Annex K */ 145 146 #if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 147 #include <sys/_types/_rsize_t.h> 148 #include <sys/_types/_errno_t.h> 149 150 __BEGIN_DECLS 151 errno_t memset_s(void *__s, rsize_t __smax, int __c, rsize_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_9, __IPHONE_7_0); 152 __END_DECLS 153 #endif 154 155 /* Darwin extensions */ 156 157 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 158 #include <sys/_types/_ssize_t.h> 159 160 __BEGIN_DECLS 161 void *memmem(const void *__big, size_t __big_len, const void *__little, size_t __little_len) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 162 void memset_pattern4(void *__b, const void *__pattern4, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0); 163 void memset_pattern8(void *__b, const void *__pattern8, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0); 164 void memset_pattern16(void *__b, const void *__pattern16, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0); 165 166 char *strcasestr(const char *__big, const char *__little); 167 char *strnstr(const char *__big, const char *__little, size_t __len); 168 size_t strlcat(char *__dst, const char *__source, size_t __size); 169 size_t strlcpy(char *__dst, const char *__source, size_t __size); 170 void strmode(int __mode, char *__bp); 171 char *strsep(char **__stringp, const char *__delim); 172 173 /* SUS places swab() in unistd.h. It is listed here for source compatibility */ 174 void swab(const void * __restrict, void * __restrict, ssize_t); 175 176 __OSX_AVAILABLE(10.12.1) __IOS_AVAILABLE(10.1) 177 __TVOS_AVAILABLE(10.0.1) __WATCHOS_AVAILABLE(3.1) 178 int timingsafe_bcmp(const void *__b1, const void *__b2, size_t __len); 179 180 __OSX_AVAILABLE(10.16) __IOS_AVAILABLE(14.0) 181 __TVOS_AVAILABLE(14.0) __WATCHOS_AVAILABLE(7.0) 182 int strsignal_r(int __sig, char *__strsignalbuf, size_t __buflen); 183 __END_DECLS 184 185 /* Some functions historically defined in string.h were placed in strings.h 186 * by SUS. We are using "strings.h" instead of <strings.h> to avoid an issue 187 * where /Developer/Headers/FlatCarbon/Strings.h could be included instead on 188 * case-insensitive file systems. 189 */ 190 #include "strings.h" 191 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 192 193 194 #ifdef _USE_EXTENDED_LOCALES_ 195 #include <xlocale/_string.h> 196 #endif /* _USE_EXTENDED_LOCALES_ */ 197 198 #if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus) 199 /* Security checking functions. */ 200 #include <secure/_string.h> 201 #endif 202 203 #endif /* _STRING_H_ */