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 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #ifndef _STRING_H 31 #define _STRING_H 32 33 #include <iso/string_iso.h> 34 35 /* 36 * Allow global visibility for symbols defined in 37 * C++ "std" namespace in <iso/string_iso.h>. 38 */ 39 #if __cplusplus >= 199711L 40 using std::size_t; 41 using std::memchr; 42 using std::memcmp; 43 using std::memcpy; 44 using std::memmove; 45 using std::memset; 46 using std::strcat; 47 using std::strchr; 48 using std::strcmp; 49 using std::strcoll; 50 using std::strcpy; 51 using std::strcspn; 52 using std::strerror; 53 using std::strlen; 54 using std::strncat; 55 using std::strncmp; 56 using std::strncpy; 57 using std::strpbrk; 58 using std::strrchr; 59 using std::strspn; 60 using std::strstr; 61 using std::strtok; 62 using std::strxfrm; 63 #endif 64 65 #ifdef __cplusplus 66 extern "C" { 67 #endif 68 69 #if defined(__EXTENSIONS__) || \ 70 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 71 defined(_XPG6) || defined(_REENTRANT) 72 extern int strerror_r(int, char *, size_t); 73 #endif 74 75 #if defined(__EXTENSIONS__) || \ 76 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 77 (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT) 78 extern char *strtok_r(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 79 char **_RESTRICT_KYWD); 80 #endif 81 82 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \ 83 defined(__XOPEN_OR_POSIX) 84 extern void *memccpy(void *_RESTRICT_KYWD, const void *_RESTRICT_KYWD, 85 int, size_t); 86 #endif 87 88 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7) 89 90 extern char *stpcpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD); 91 extern char *stpncpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, size_t); 92 extern char *strndup(const char *, size_t); 93 extern size_t strnlen(const char *, size_t); 94 extern char *strsignal(int); 95 96 #ifndef _LOCALE_T 97 #define _LOCALE_T 98 typedef struct _locale *locale_t; 99 #endif 100 101 extern int strcoll_l(const char *, const char *, locale_t); 102 extern size_t strxfrm_l(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 103 size_t, locale_t); 104 extern int strcasecmp_l(const char *, const char *, locale_t); 105 extern int strncasecmp_l(const char *, const char *, size_t, locale_t); 106 107 #endif /* defined(_STRICT_SYMBOLS) || defined(_XPG7) */ 108 109 #if !defined(_STRICT_SYMBOLS) 110 111 /* Note that some of these are also declared in strings.h for XPG4_2+ */ 112 extern void explicit_bzero(void *, size_t); 113 extern int uucopy(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t); 114 extern int uucopystr(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t); 115 extern int ffs(int); 116 extern int ffsl(long); 117 extern int ffsll(long long); 118 extern int fls(int); 119 extern int flsl(long); 120 extern int flsll(long long); 121 extern void *memmem(const void *, size_t, const void *, size_t); 122 extern char *strcasestr(const char *, const char *); 123 extern char *strnstr(const char *, const char *, size_t); 124 extern size_t strlcpy(char *, const char *, size_t); 125 extern size_t strlcat(char *, const char *, size_t); 126 extern char *strsep(char **stringp, const char *delim); 127 extern char *strchrnul(const char *, int); 128 extern char *strcasestr_l(const char *, const char *, locale_t); 129 extern int strcasecmp(const char *, const char *); 130 extern int strncasecmp(const char *, const char *, size_t); 131 #endif /* defined(__EXTENSIONS__)... */ 132 133 #if defined(__EXTENSIONS__) || \ 134 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 135 defined(_XPG4_2) 136 extern char *strdup(const char *); 137 #endif 138 139 #if defined(__EXTENSIONS__) || \ 140 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) 141 #if defined(__GNUC__) 142 143 /* 144 * gcc provides this inlining facility but Studio C does not. 145 * We should use it exclusively once Studio C also provides it. 146 */ 147 extern void *__builtin_alloca(size_t); 148 149 #define strdupa(s) \ 150 (__extension__( \ 151 { \ 152 char *__str = (char *)(s); \ 153 strcpy((char *)__builtin_alloca(strlen(__str) + 1), __str); \ 154 })) 155 156 #define strndupa(s, n) \ 157 (__extension__( \ 158 { \ 159 char *__str = (char *)(s); \ 160 size_t __len = strnlen(__str, (n)); \ 161 (__str = strncpy((char *)__builtin_alloca(__len + 1), \ 162 __str, __len), \ 163 __str[__len] = '\0', __str); \ 164 })) 165 166 #else /* __GNUC__ */ 167 168 #if defined(unix) /* excludes c99 */ 169 /* 170 * Studio C currently can't do the gcc-style inlining, 171 * so we use thread-local storage instead. 172 */ 173 extern void *__builtin_alloca(size_t); 174 extern __thread char *__strdupa_str; 175 extern __thread size_t __strdupa_len; 176 177 #define strdupa(s) \ 178 (__strdupa_str = (char *)(s), \ 179 strcpy((char *)__builtin_alloca(strlen(__strdupa_str) + 1), \ 180 __strdupa_str)) 181 182 #define strndupa(s, n) \ 183 (__strdupa_str = (char *)(s), \ 184 __strdupa_len = strnlen(__strdupa_str, (n)), \ 185 __strdupa_str = strncpy((char *)__builtin_alloca(__strdupa_len + 1), \ 186 __strdupa_str, __strdupa_len), \ 187 __strdupa_str[__strdupa_len] = '\0', __strdupa_str) 188 #endif /* unix */ 189 190 #endif /* __GNUC__ */ 191 #endif /* __EXTENSIONS__ ... */ 192 193 #ifdef __cplusplus 194 } 195 #endif 196 197 #endif /* _STRING_H */ 198