1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 24 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 25 * Copyright 2020 Joyent, Inc. 26 */ 27 28 /* Copyright (c) 1988 AT&T */ 29 /* All Rights Reserved */ 30 31 #ifndef _STRING_H 32 #define _STRING_H 33 34 #include <iso/string_iso.h> 35 36 /* 37 * Allow global visibility for symbols defined in 38 * C++ "std" namespace in <iso/string_iso.h>. 39 */ 40 #if __cplusplus >= 199711L 41 using std::size_t; 42 using std::memchr; 43 using std::memcmp; 44 using std::memcpy; 45 using std::memmove; 46 using std::memset; 47 using std::strcat; 48 using std::strchr; 49 using std::strcmp; 50 using std::strcoll; 51 using std::strcpy; 52 using std::strcspn; 53 using std::strerror; 54 using std::strlen; 55 using std::strncat; 56 using std::strncmp; 57 using std::strncpy; 58 using std::strpbrk; 59 using std::strrchr; 60 using std::strspn; 61 using std::strstr; 62 using std::strtok; 63 using std::strxfrm; 64 #endif 65 66 #ifdef __cplusplus 67 extern "C" { 68 #endif 69 70 #if defined(__EXTENSIONS__) || \ 71 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 72 defined(_XPG6) || defined(_REENTRANT) 73 extern int strerror_r(int, char *, size_t); 74 #endif 75 76 #if defined(__EXTENSIONS__) || \ 77 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 78 (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT) 79 extern char *strtok_r(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 80 char **_RESTRICT_KYWD); 81 #endif 82 83 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 84 defined(__XOPEN_OR_POSIX) 85 extern void *memccpy(void *_RESTRICT_KYWD, const void *_RESTRICT_KYWD, 86 int, size_t); 87 #endif 88 89 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7) 90 91 extern char *stpcpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD); 92 extern char *stpncpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, size_t); 93 extern char *strndup(const char *, size_t); 94 extern size_t strnlen(const char *, size_t); 95 extern char *strsignal(int); 96 97 #ifndef _LOCALE_T 98 #define _LOCALE_T 99 typedef struct _locale *locale_t; 100 #endif 101 102 extern int strcoll_l(const char *, const char *, locale_t); 103 extern size_t strxfrm_l(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 104 size_t, locale_t); 105 extern int strcasecmp_l(const char *, const char *, locale_t); 106 extern int strncasecmp_l(const char *, const char *, size_t, locale_t); 107 extern char *strerror_l(int, locale_t); 108 109 #endif /* defined(_STRICT_SYMBOLS) || defined(_XPG7) */ 110 111 #if !defined(_STRICT_SYMBOLS) 112 113 /* Note that some of these are also declared in strings.h for XPG4_2+ */ 114 extern void explicit_bzero(void *, size_t); 115 extern int uucopy(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t); 116 extern int uucopystr(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t); 117 extern int ffs(int); 118 extern int ffsl(long); 119 extern int ffsll(long long); 120 extern int fls(int); 121 extern int flsl(long); 122 extern int flsll(long long); 123 extern void *memmem(const void *, size_t, const void *, size_t); 124 extern void *memrchr(const void *, int, size_t); 125 extern char *strcasestr(const char *, const char *); 126 extern char *strnstr(const char *, const char *, size_t); 127 extern size_t strlcpy(char *, const char *, size_t); 128 extern size_t strlcat(char *, const char *, size_t); 129 extern char *strsep(char **stringp, const char *delim); 130 extern char *strchrnul(const char *, int); 131 extern char *strcasestr_l(const char *, const char *, locale_t); 132 extern int strcasecmp(const char *, const char *); 133 extern int strncasecmp(const char *, const char *, size_t); 134 #endif /* !defined(__STRICT_SYMBOLS) */ 135 136 #if defined(__EXTENSIONS__) || \ 137 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 138 defined(_XPG4_2) 139 extern char *strdup(const char *); 140 #endif 141 142 #if defined(__EXTENSIONS__) || \ 143 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) 144 145 #if defined(__GNUC__) 146 147 #define strdupa(s) \ 148 (__extension__( \ 149 { \ 150 char *__str = (char *)(s); \ 151 strcpy((char *)__builtin_alloca(strlen(__str) + 1), __str); \ 152 })) 153 154 #define strndupa(s, n) \ 155 (__extension__( \ 156 { \ 157 char *__str = (char *)(s); \ 158 size_t __len = strnlen(__str, (n)); \ 159 (__str = strncpy((char *)__builtin_alloca(__len + 1), \ 160 __str, __len), \ 161 __str[__len] = '\0', __str); \ 162 })) 163 164 #else /* __GNUC__ */ 165 166 #if defined(unix) /* excludes c99 */ 167 /* 168 * Studio C currently can't do the gcc-style inlining, 169 * so we use thread-local storage instead. 170 */ 171 extern void *__builtin_alloca(size_t); 172 extern __thread char *__strdupa_str; 173 extern __thread size_t __strdupa_len; 174 175 #define strdupa(s) \ 176 (__strdupa_str = (char *)(s), \ 177 strcpy((char *)__builtin_alloca(strlen(__strdupa_str) + 1), \ 178 __strdupa_str)) 179 180 #define strndupa(s, n) \ 181 (__strdupa_str = (char *)(s), \ 182 __strdupa_len = strnlen(__strdupa_str, (n)), \ 183 __strdupa_str = strncpy((char *)__builtin_alloca(__strdupa_len + 1), \ 184 __strdupa_str, __strdupa_len), \ 185 __strdupa_str[__strdupa_len] = '\0', __strdupa_str) 186 #endif /* unix */ 187 188 #endif /* __GNUC__ */ 189 #endif /* __EXTENSIONS__ ... */ 190 191 #ifdef __cplusplus 192 } 193 #endif 194 195 #endif /* _STRING_H */ 196