| 1 | /* A GNU-like <string.h>. |
| 2 | |
| 3 | Copyright (C) 1995-1996, 2001-2013 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU Lesser General Public License as published by |
| 7 | the Free Software Foundation; either version 2, or (at your option) |
| 8 | any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public License |
| 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _@GUARD_PREFIX@_STRING_H |
| 19 | |
| 20 | #if __GNUC__ >= 3 |
| 21 | @PRAGMA_SYSTEM_HEADER@ |
| 22 | #endif |
| 23 | @PRAGMA_COLUMNS@ |
| 24 | |
| 25 | /* The include_next requires a split double-inclusion guard. */ |
| 26 | #@INCLUDE_NEXT@ @NEXT_STRING_H@ |
| 27 | |
| 28 | #ifndef _@GUARD_PREFIX@_STRING_H |
| 29 | #define _@GUARD_PREFIX@_STRING_H |
| 30 | |
| 31 | /* NetBSD 5.0 mis-defines NULL. */ |
| 32 | #include <stddef.h> |
| 33 | |
| 34 | /* MirBSD defines mbslen as a macro. */ |
| 35 | #if @GNULIB_MBSLEN@ && defined __MirBSD__ |
| 36 | # include <wchar.h> |
| 37 | #endif |
| 38 | |
| 39 | /* The __attribute__ feature is available in gcc versions 2.5 and later. |
| 40 | The attribute __pure__ was added in gcc 2.96. */ |
| 41 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) |
| 42 | # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) |
| 43 | #else |
| 44 | # define _GL_ATTRIBUTE_PURE /* empty */ |
| 45 | #endif |
| 46 | |
| 47 | /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ |
| 48 | /* But in any case avoid namespace pollution on glibc systems. */ |
| 49 | #if (@GNULIB_STRSIGNAL@ || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \ |
| 50 | && ! defined __GLIBC__ |
| 51 | # include <unistd.h> |
| 52 | #endif |
| 53 | |
| 54 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
| 55 | |
| 56 | /* The definition of _GL_ARG_NONNULL is copied here. */ |
| 57 | |
| 58 | /* The definition of _GL_WARN_ON_USE is copied here. */ |
| 59 | |
| 60 | |
| 61 | /* Find the index of the least-significant set bit. */ |
| 62 | #if @GNULIB_FFSL@ |
| 63 | # if !@HAVE_FFSL@ |
| 64 | _GL_FUNCDECL_SYS (ffsl, int, (long int i)); |
| 65 | # endif |
| 66 | _GL_CXXALIAS_SYS (ffsl, int, (long int i)); |
| 67 | _GL_CXXALIASWARN (ffsl); |
| 68 | #elif defined GNULIB_POSIXCHECK |
| 69 | # undef ffsl |
| 70 | # if HAVE_RAW_DECL_FFSL |
| 71 | _GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module"); |
| 72 | # endif |
| 73 | #endif |
| 74 | |
| 75 | |
| 76 | /* Find the index of the least-significant set bit. */ |
| 77 | #if @GNULIB_FFSLL@ |
| 78 | # if !@HAVE_FFSLL@ |
| 79 | _GL_FUNCDECL_SYS (ffsll, int, (long long int i)); |
| 80 | # endif |
| 81 | _GL_CXXALIAS_SYS (ffsll, int, (long long int i)); |
| 82 | _GL_CXXALIASWARN (ffsll); |
| 83 | #elif defined GNULIB_POSIXCHECK |
| 84 | # undef ffsll |
| 85 | # if HAVE_RAW_DECL_FFSLL |
| 86 | _GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module"); |
| 87 | # endif |
| 88 | #endif |
| 89 | |
| 90 | |
| 91 | /* Return the first instance of C within N bytes of S, or NULL. */ |
| 92 | #if @GNULIB_MEMCHR@ |
| 93 | # if @REPLACE_MEMCHR@ |
| 94 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 95 | # define memchr rpl_memchr |
| 96 | # endif |
| 97 | _GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n) |
| 98 | _GL_ATTRIBUTE_PURE |
| 99 | _GL_ARG_NONNULL ((1))); |
| 100 | _GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n)); |
| 101 | # else |
| 102 | # if ! @HAVE_MEMCHR@ |
| 103 | _GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n) |
| 104 | _GL_ATTRIBUTE_PURE |
| 105 | _GL_ARG_NONNULL ((1))); |
| 106 | # endif |
| 107 | /* On some systems, this function is defined as an overloaded function: |
| 108 | extern "C" { const void * std::memchr (const void *, int, size_t); } |
| 109 | extern "C++" { void * std::memchr (void *, int, size_t); } */ |
| 110 | _GL_CXXALIAS_SYS_CAST2 (memchr, |
| 111 | void *, (void const *__s, int __c, size_t __n), |
| 112 | void const *, (void const *__s, int __c, size_t __n)); |
| 113 | # endif |
| 114 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 115 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 116 | _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n)); |
| 117 | _GL_CXXALIASWARN1 (memchr, void const *, |
| 118 | (void const *__s, int __c, size_t __n)); |
| 119 | # else |
| 120 | _GL_CXXALIASWARN (memchr); |
| 121 | # endif |
| 122 | #elif defined GNULIB_POSIXCHECK |
| 123 | # undef memchr |
| 124 | /* Assume memchr is always declared. */ |
| 125 | _GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - " |
| 126 | "use gnulib module memchr for portability" ); |
| 127 | #endif |
| 128 | |
| 129 | /* Return the first occurrence of NEEDLE in HAYSTACK. */ |
| 130 | #if @GNULIB_MEMMEM@ |
| 131 | # if @REPLACE_MEMMEM@ |
| 132 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 133 | # define memmem rpl_memmem |
| 134 | # endif |
| 135 | _GL_FUNCDECL_RPL (memmem, void *, |
| 136 | (void const *__haystack, size_t __haystack_len, |
| 137 | void const *__needle, size_t __needle_len) |
| 138 | _GL_ATTRIBUTE_PURE |
| 139 | _GL_ARG_NONNULL ((1, 3))); |
| 140 | _GL_CXXALIAS_RPL (memmem, void *, |
| 141 | (void const *__haystack, size_t __haystack_len, |
| 142 | void const *__needle, size_t __needle_len)); |
| 143 | # else |
| 144 | # if ! @HAVE_DECL_MEMMEM@ |
| 145 | _GL_FUNCDECL_SYS (memmem, void *, |
| 146 | (void const *__haystack, size_t __haystack_len, |
| 147 | void const *__needle, size_t __needle_len) |
| 148 | _GL_ATTRIBUTE_PURE |
| 149 | _GL_ARG_NONNULL ((1, 3))); |
| 150 | # endif |
| 151 | _GL_CXXALIAS_SYS (memmem, void *, |
| 152 | (void const *__haystack, size_t __haystack_len, |
| 153 | void const *__needle, size_t __needle_len)); |
| 154 | # endif |
| 155 | _GL_CXXALIASWARN (memmem); |
| 156 | #elif defined GNULIB_POSIXCHECK |
| 157 | # undef memmem |
| 158 | # if HAVE_RAW_DECL_MEMMEM |
| 159 | _GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - " |
| 160 | "use gnulib module memmem-simple for portability, " |
| 161 | "and module memmem for speed" ); |
| 162 | # endif |
| 163 | #endif |
| 164 | |
| 165 | /* Copy N bytes of SRC to DEST, return pointer to bytes after the |
| 166 | last written byte. */ |
| 167 | #if @GNULIB_MEMPCPY@ |
| 168 | # if ! @HAVE_MEMPCPY@ |
| 169 | _GL_FUNCDECL_SYS (mempcpy, void *, |
| 170 | (void *restrict __dest, void const *restrict __src, |
| 171 | size_t __n) |
| 172 | _GL_ARG_NONNULL ((1, 2))); |
| 173 | # endif |
| 174 | _GL_CXXALIAS_SYS (mempcpy, void *, |
| 175 | (void *restrict __dest, void const *restrict __src, |
| 176 | size_t __n)); |
| 177 | _GL_CXXALIASWARN (mempcpy); |
| 178 | #elif defined GNULIB_POSIXCHECK |
| 179 | # undef mempcpy |
| 180 | # if HAVE_RAW_DECL_MEMPCPY |
| 181 | _GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - " |
| 182 | "use gnulib module mempcpy for portability"); |
| 183 | # endif |
| 184 | #endif |
| 185 | |
| 186 | /* Search backwards through a block for a byte (specified as an int). */ |
| 187 | #if @GNULIB_MEMRCHR@ |
| 188 | # if ! @HAVE_DECL_MEMRCHR@ |
| 189 | _GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t) |
| 190 | _GL_ATTRIBUTE_PURE |
| 191 | _GL_ARG_NONNULL ((1))); |
| 192 | # endif |
| 193 | /* On some systems, this function is defined as an overloaded function: |
| 194 | extern "C++" { const void * std::memrchr (const void *, int, size_t); } |
| 195 | extern "C++" { void * std::memrchr (void *, int, size_t); } */ |
| 196 | _GL_CXXALIAS_SYS_CAST2 (memrchr, |
| 197 | void *, (void const *, int, size_t), |
| 198 | void const *, (void const *, int, size_t)); |
| 199 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 200 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 201 | _GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t)); |
| 202 | _GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t)); |
| 203 | # else |
| 204 | _GL_CXXALIASWARN (memrchr); |
| 205 | # endif |
| 206 | #elif defined GNULIB_POSIXCHECK |
| 207 | # undef memrchr |
| 208 | # if HAVE_RAW_DECL_MEMRCHR |
| 209 | _GL_WARN_ON_USE (memrchr, "memrchr is unportable - " |
| 210 | "use gnulib module memrchr for portability"); |
| 211 | # endif |
| 212 | #endif |
| 213 | |
| 214 | /* Find the first occurrence of C in S. More efficient than |
| 215 | memchr(S,C,N), at the expense of undefined behavior if C does not |
| 216 | occur within N bytes. */ |
| 217 | #if @GNULIB_RAWMEMCHR@ |
| 218 | # if ! @HAVE_RAWMEMCHR@ |
| 219 | _GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in) |
| 220 | _GL_ATTRIBUTE_PURE |
| 221 | _GL_ARG_NONNULL ((1))); |
| 222 | # endif |
| 223 | /* On some systems, this function is defined as an overloaded function: |
| 224 | extern "C++" { const void * std::rawmemchr (const void *, int); } |
| 225 | extern "C++" { void * std::rawmemchr (void *, int); } */ |
| 226 | _GL_CXXALIAS_SYS_CAST2 (rawmemchr, |
| 227 | void *, (void const *__s, int __c_in), |
| 228 | void const *, (void const *__s, int __c_in)); |
| 229 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 230 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 231 | _GL_CXXALIASWARN1 (rawmemchr, void *, (void *__s, int __c_in)); |
| 232 | _GL_CXXALIASWARN1 (rawmemchr, void const *, (void const *__s, int __c_in)); |
| 233 | # else |
| 234 | _GL_CXXALIASWARN (rawmemchr); |
| 235 | # endif |
| 236 | #elif defined GNULIB_POSIXCHECK |
| 237 | # undef rawmemchr |
| 238 | # if HAVE_RAW_DECL_RAWMEMCHR |
| 239 | _GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - " |
| 240 | "use gnulib module rawmemchr for portability"); |
| 241 | # endif |
| 242 | #endif |
| 243 | |
| 244 | /* Copy SRC to DST, returning the address of the terminating '\0' in DST. */ |
| 245 | #if @GNULIB_STPCPY@ |
| 246 | # if ! @HAVE_STPCPY@ |
| 247 | _GL_FUNCDECL_SYS (stpcpy, char *, |
| 248 | (char *restrict __dst, char const *restrict __src) |
| 249 | _GL_ARG_NONNULL ((1, 2))); |
| 250 | # endif |
| 251 | _GL_CXXALIAS_SYS (stpcpy, char *, |
| 252 | (char *restrict __dst, char const *restrict __src)); |
| 253 | _GL_CXXALIASWARN (stpcpy); |
| 254 | #elif defined GNULIB_POSIXCHECK |
| 255 | # undef stpcpy |
| 256 | # if HAVE_RAW_DECL_STPCPY |
| 257 | _GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - " |
| 258 | "use gnulib module stpcpy for portability"); |
| 259 | # endif |
| 260 | #endif |
| 261 | |
| 262 | /* Copy no more than N bytes of SRC to DST, returning a pointer past the |
| 263 | last non-NUL byte written into DST. */ |
| 264 | #if @GNULIB_STPNCPY@ |
| 265 | # if @REPLACE_STPNCPY@ |
| 266 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 267 | # undef stpncpy |
| 268 | # define stpncpy rpl_stpncpy |
| 269 | # endif |
| 270 | _GL_FUNCDECL_RPL (stpncpy, char *, |
| 271 | (char *restrict __dst, char const *restrict __src, |
| 272 | size_t __n) |
| 273 | _GL_ARG_NONNULL ((1, 2))); |
| 274 | _GL_CXXALIAS_RPL (stpncpy, char *, |
| 275 | (char *restrict __dst, char const *restrict __src, |
| 276 | size_t __n)); |
| 277 | # else |
| 278 | # if ! @HAVE_STPNCPY@ |
| 279 | _GL_FUNCDECL_SYS (stpncpy, char *, |
| 280 | (char *restrict __dst, char const *restrict __src, |
| 281 | size_t __n) |
| 282 | _GL_ARG_NONNULL ((1, 2))); |
| 283 | # endif |
| 284 | _GL_CXXALIAS_SYS (stpncpy, char *, |
| 285 | (char *restrict __dst, char const *restrict __src, |
| 286 | size_t __n)); |
| 287 | # endif |
| 288 | _GL_CXXALIASWARN (stpncpy); |
| 289 | #elif defined GNULIB_POSIXCHECK |
| 290 | # undef stpncpy |
| 291 | # if HAVE_RAW_DECL_STPNCPY |
| 292 | _GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - " |
| 293 | "use gnulib module stpncpy for portability"); |
| 294 | # endif |
| 295 | #endif |
| 296 | |
| 297 | #if defined GNULIB_POSIXCHECK |
| 298 | /* strchr() does not work with multibyte strings if the locale encoding is |
| 299 | GB18030 and the character to be searched is a digit. */ |
| 300 | # undef strchr |
| 301 | /* Assume strchr is always declared. */ |
| 302 | _GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings " |
| 303 | "in some multibyte locales - " |
| 304 | "use mbschr if you care about internationalization"); |
| 305 | #endif |
| 306 | |
| 307 | /* Find the first occurrence of C in S or the final NUL byte. */ |
| 308 | #if @GNULIB_STRCHRNUL@ |
| 309 | # if @REPLACE_STRCHRNUL@ |
| 310 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 311 | # define strchrnul rpl_strchrnul |
| 312 | # endif |
| 313 | _GL_FUNCDECL_RPL (strchrnul, char *, (const char *__s, int __c_in) |
| 314 | _GL_ATTRIBUTE_PURE |
| 315 | _GL_ARG_NONNULL ((1))); |
| 316 | _GL_CXXALIAS_RPL (strchrnul, char *, |
| 317 | (const char *str, int ch)); |
| 318 | # else |
| 319 | # if ! @HAVE_STRCHRNUL@ |
| 320 | _GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in) |
| 321 | _GL_ATTRIBUTE_PURE |
| 322 | _GL_ARG_NONNULL ((1))); |
| 323 | # endif |
| 324 | /* On some systems, this function is defined as an overloaded function: |
| 325 | extern "C++" { const char * std::strchrnul (const char *, int); } |
| 326 | extern "C++" { char * std::strchrnul (char *, int); } */ |
| 327 | _GL_CXXALIAS_SYS_CAST2 (strchrnul, |
| 328 | char *, (char const *__s, int __c_in), |
| 329 | char const *, (char const *__s, int __c_in)); |
| 330 | # endif |
| 331 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 332 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 333 | _GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in)); |
| 334 | _GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in)); |
| 335 | # else |
| 336 | _GL_CXXALIASWARN (strchrnul); |
| 337 | # endif |
| 338 | #elif defined GNULIB_POSIXCHECK |
| 339 | # undef strchrnul |
| 340 | # if HAVE_RAW_DECL_STRCHRNUL |
| 341 | _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " |
| 342 | "use gnulib module strchrnul for portability"); |
| 343 | # endif |
| 344 | #endif |
| 345 | |
| 346 | /* Duplicate S, returning an identical malloc'd string. */ |
| 347 | #if @GNULIB_STRDUP@ |
| 348 | # if @REPLACE_STRDUP@ |
| 349 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 350 | # undef strdup |
| 351 | # define strdup rpl_strdup |
| 352 | # endif |
| 353 | _GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); |
| 354 | _GL_CXXALIAS_RPL (strdup, char *, (char const *__s)); |
| 355 | # else |
| 356 | # if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup |
| 357 | /* strdup exists as a function and as a macro. Get rid of the macro. */ |
| 358 | # undef strdup |
| 359 | # endif |
| 360 | # if !(@HAVE_DECL_STRDUP@ || defined strdup) |
| 361 | _GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); |
| 362 | # endif |
| 363 | _GL_CXXALIAS_SYS (strdup, char *, (char const *__s)); |
| 364 | # endif |
| 365 | _GL_CXXALIASWARN (strdup); |
| 366 | #elif defined GNULIB_POSIXCHECK |
| 367 | # undef strdup |
| 368 | # if HAVE_RAW_DECL_STRDUP |
| 369 | _GL_WARN_ON_USE (strdup, "strdup is unportable - " |
| 370 | "use gnulib module strdup for portability"); |
| 371 | # endif |
| 372 | #endif |
| 373 | |
| 374 | /* Append no more than N characters from SRC onto DEST. */ |
| 375 | #if @GNULIB_STRNCAT@ |
| 376 | # if @REPLACE_STRNCAT@ |
| 377 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 378 | # undef strncat |
| 379 | # define strncat rpl_strncat |
| 380 | # endif |
| 381 | _GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n) |
| 382 | _GL_ARG_NONNULL ((1, 2))); |
| 383 | _GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n)); |
| 384 | # else |
| 385 | _GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n)); |
| 386 | # endif |
| 387 | _GL_CXXALIASWARN (strncat); |
| 388 | #elif defined GNULIB_POSIXCHECK |
| 389 | # undef strncat |
| 390 | # if HAVE_RAW_DECL_STRNCAT |
| 391 | _GL_WARN_ON_USE (strncat, "strncat is unportable - " |
| 392 | "use gnulib module strncat for portability"); |
| 393 | # endif |
| 394 | #endif |
| 395 | |
| 396 | /* Return a newly allocated copy of at most N bytes of STRING. */ |
| 397 | #if @GNULIB_STRNDUP@ |
| 398 | # if @REPLACE_STRNDUP@ |
| 399 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 400 | # undef strndup |
| 401 | # define strndup rpl_strndup |
| 402 | # endif |
| 403 | _GL_FUNCDECL_RPL (strndup, char *, (char const *__string, size_t __n) |
| 404 | _GL_ARG_NONNULL ((1))); |
| 405 | _GL_CXXALIAS_RPL (strndup, char *, (char const *__string, size_t __n)); |
| 406 | # else |
| 407 | # if ! @HAVE_DECL_STRNDUP@ |
| 408 | _GL_FUNCDECL_SYS (strndup, char *, (char const *__string, size_t __n) |
| 409 | _GL_ARG_NONNULL ((1))); |
| 410 | # endif |
| 411 | _GL_CXXALIAS_SYS (strndup, char *, (char const *__string, size_t __n)); |
| 412 | # endif |
| 413 | _GL_CXXALIASWARN (strndup); |
| 414 | #elif defined GNULIB_POSIXCHECK |
| 415 | # undef strndup |
| 416 | # if HAVE_RAW_DECL_STRNDUP |
| 417 | _GL_WARN_ON_USE (strndup, "strndup is unportable - " |
| 418 | "use gnulib module strndup for portability"); |
| 419 | # endif |
| 420 | #endif |
| 421 | |
| 422 | /* Find the length (number of bytes) of STRING, but scan at most |
| 423 | MAXLEN bytes. If no '\0' terminator is found in that many bytes, |
| 424 | return MAXLEN. */ |
| 425 | #if @GNULIB_STRNLEN@ |
| 426 | # if @REPLACE_STRNLEN@ |
| 427 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 428 | # undef strnlen |
| 429 | # define strnlen rpl_strnlen |
| 430 | # endif |
| 431 | _GL_FUNCDECL_RPL (strnlen, size_t, (char const *__string, size_t __maxlen) |
| 432 | _GL_ATTRIBUTE_PURE |
| 433 | _GL_ARG_NONNULL ((1))); |
| 434 | _GL_CXXALIAS_RPL (strnlen, size_t, (char const *__string, size_t __maxlen)); |
| 435 | # else |
| 436 | # if ! @HAVE_DECL_STRNLEN@ |
| 437 | _GL_FUNCDECL_SYS (strnlen, size_t, (char const *__string, size_t __maxlen) |
| 438 | _GL_ATTRIBUTE_PURE |
| 439 | _GL_ARG_NONNULL ((1))); |
| 440 | # endif |
| 441 | _GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)); |
| 442 | # endif |
| 443 | _GL_CXXALIASWARN (strnlen); |
| 444 | #elif defined GNULIB_POSIXCHECK |
| 445 | # undef strnlen |
| 446 | # if HAVE_RAW_DECL_STRNLEN |
| 447 | _GL_WARN_ON_USE (strnlen, "strnlen is unportable - " |
| 448 | "use gnulib module strnlen for portability"); |
| 449 | # endif |
| 450 | #endif |
| 451 | |
| 452 | #if defined GNULIB_POSIXCHECK |
| 453 | /* strcspn() assumes the second argument is a list of single-byte characters. |
| 454 | Even in this simple case, it does not work with multibyte strings if the |
| 455 | locale encoding is GB18030 and one of the characters to be searched is a |
| 456 | digit. */ |
| 457 | # undef strcspn |
| 458 | /* Assume strcspn is always declared. */ |
| 459 | _GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings " |
| 460 | "in multibyte locales - " |
| 461 | "use mbscspn if you care about internationalization"); |
| 462 | #endif |
| 463 | |
| 464 | /* Find the first occurrence in S of any character in ACCEPT. */ |
| 465 | #if @GNULIB_STRPBRK@ |
| 466 | # if ! @HAVE_STRPBRK@ |
| 467 | _GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept) |
| 468 | _GL_ATTRIBUTE_PURE |
| 469 | _GL_ARG_NONNULL ((1, 2))); |
| 470 | # endif |
| 471 | /* On some systems, this function is defined as an overloaded function: |
| 472 | extern "C" { const char * strpbrk (const char *, const char *); } |
| 473 | extern "C++" { char * strpbrk (char *, const char *); } */ |
| 474 | _GL_CXXALIAS_SYS_CAST2 (strpbrk, |
| 475 | char *, (char const *__s, char const *__accept), |
| 476 | const char *, (char const *__s, char const *__accept)); |
| 477 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 478 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 479 | _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept)); |
| 480 | _GL_CXXALIASWARN1 (strpbrk, char const *, |
| 481 | (char const *__s, char const *__accept)); |
| 482 | # else |
| 483 | _GL_CXXALIASWARN (strpbrk); |
| 484 | # endif |
| 485 | # if defined GNULIB_POSIXCHECK |
| 486 | /* strpbrk() assumes the second argument is a list of single-byte characters. |
| 487 | Even in this simple case, it does not work with multibyte strings if the |
| 488 | locale encoding is GB18030 and one of the characters to be searched is a |
| 489 | digit. */ |
| 490 | # undef strpbrk |
| 491 | _GL_WARN_ON_USE (strpbrk, "strpbrk cannot work correctly on character strings " |
| 492 | "in multibyte locales - " |
| 493 | "use mbspbrk if you care about internationalization"); |
| 494 | # endif |
| 495 | #elif defined GNULIB_POSIXCHECK |
| 496 | # undef strpbrk |
| 497 | # if HAVE_RAW_DECL_STRPBRK |
| 498 | _GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - " |
| 499 | "use gnulib module strpbrk for portability"); |
| 500 | # endif |
| 501 | #endif |
| 502 | |
| 503 | #if defined GNULIB_POSIXCHECK |
| 504 | /* strspn() assumes the second argument is a list of single-byte characters. |
| 505 | Even in this simple case, it cannot work with multibyte strings. */ |
| 506 | # undef strspn |
| 507 | /* Assume strspn is always declared. */ |
| 508 | _GL_WARN_ON_USE (strspn, "strspn cannot work correctly on character strings " |
| 509 | "in multibyte locales - " |
| 510 | "use mbsspn if you care about internationalization"); |
| 511 | #endif |
| 512 | |
| 513 | #if defined GNULIB_POSIXCHECK |
| 514 | /* strrchr() does not work with multibyte strings if the locale encoding is |
| 515 | GB18030 and the character to be searched is a digit. */ |
| 516 | # undef strrchr |
| 517 | /* Assume strrchr is always declared. */ |
| 518 | _GL_WARN_ON_USE (strrchr, "strrchr cannot work correctly on character strings " |
| 519 | "in some multibyte locales - " |
| 520 | "use mbsrchr if you care about internationalization"); |
| 521 | #endif |
| 522 | |
| 523 | /* Search the next delimiter (char listed in DELIM) starting at *STRINGP. |
| 524 | If one is found, overwrite it with a NUL, and advance *STRINGP |
| 525 | to point to the next char after it. Otherwise, set *STRINGP to NULL. |
| 526 | If *STRINGP was already NULL, nothing happens. |
| 527 | Return the old value of *STRINGP. |
| 528 | |
| 529 | This is a variant of strtok() that is multithread-safe and supports |
| 530 | empty fields. |
| 531 | |
| 532 | Caveat: It modifies the original string. |
| 533 | Caveat: These functions cannot be used on constant strings. |
| 534 | Caveat: The identity of the delimiting character is lost. |
| 535 | Caveat: It doesn't work with multibyte strings unless all of the delimiter |
| 536 | characters are ASCII characters < 0x30. |
| 537 | |
| 538 | See also strtok_r(). */ |
| 539 | #if @GNULIB_STRSEP@ |
| 540 | # if ! @HAVE_STRSEP@ |
| 541 | _GL_FUNCDECL_SYS (strsep, char *, |
| 542 | (char **restrict __stringp, char const *restrict __delim) |
| 543 | _GL_ARG_NONNULL ((1, 2))); |
| 544 | # endif |
| 545 | _GL_CXXALIAS_SYS (strsep, char *, |
| 546 | (char **restrict __stringp, char const *restrict __delim)); |
| 547 | _GL_CXXALIASWARN (strsep); |
| 548 | # if defined GNULIB_POSIXCHECK |
| 549 | # undef strsep |
| 550 | _GL_WARN_ON_USE (strsep, "strsep cannot work correctly on character strings " |
| 551 | "in multibyte locales - " |
| 552 | "use mbssep if you care about internationalization"); |
| 553 | # endif |
| 554 | #elif defined GNULIB_POSIXCHECK |
| 555 | # undef strsep |
| 556 | # if HAVE_RAW_DECL_STRSEP |
| 557 | _GL_WARN_ON_USE (strsep, "strsep is unportable - " |
| 558 | "use gnulib module strsep for portability"); |
| 559 | # endif |
| 560 | #endif |
| 561 | |
| 562 | #if @GNULIB_STRSTR@ |
| 563 | # if @REPLACE_STRSTR@ |
| 564 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 565 | # define strstr rpl_strstr |
| 566 | # endif |
| 567 | _GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle) |
| 568 | _GL_ATTRIBUTE_PURE |
| 569 | _GL_ARG_NONNULL ((1, 2))); |
| 570 | _GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle)); |
| 571 | # else |
| 572 | /* On some systems, this function is defined as an overloaded function: |
| 573 | extern "C++" { const char * strstr (const char *, const char *); } |
| 574 | extern "C++" { char * strstr (char *, const char *); } */ |
| 575 | _GL_CXXALIAS_SYS_CAST2 (strstr, |
| 576 | char *, (const char *haystack, const char *needle), |
| 577 | const char *, (const char *haystack, const char *needle)); |
| 578 | # endif |
| 579 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 580 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 581 | _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle)); |
| 582 | _GL_CXXALIASWARN1 (strstr, const char *, |
| 583 | (const char *haystack, const char *needle)); |
| 584 | # else |
| 585 | _GL_CXXALIASWARN (strstr); |
| 586 | # endif |
| 587 | #elif defined GNULIB_POSIXCHECK |
| 588 | /* strstr() does not work with multibyte strings if the locale encoding is |
| 589 | different from UTF-8: |
| 590 | POSIX says that it operates on "strings", and "string" in POSIX is defined |
| 591 | as a sequence of bytes, not of characters. */ |
| 592 | # undef strstr |
| 593 | /* Assume strstr is always declared. */ |
| 594 | _GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot " |
| 595 | "work correctly on character strings in most " |
| 596 | "multibyte locales - " |
| 597 | "use mbsstr if you care about internationalization, " |
| 598 | "or use strstr if you care about speed"); |
| 599 | #endif |
| 600 | |
| 601 | /* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive |
| 602 | comparison. */ |
| 603 | #if @GNULIB_STRCASESTR@ |
| 604 | # if @REPLACE_STRCASESTR@ |
| 605 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 606 | # define strcasestr rpl_strcasestr |
| 607 | # endif |
| 608 | _GL_FUNCDECL_RPL (strcasestr, char *, |
| 609 | (const char *haystack, const char *needle) |
| 610 | _GL_ATTRIBUTE_PURE |
| 611 | _GL_ARG_NONNULL ((1, 2))); |
| 612 | _GL_CXXALIAS_RPL (strcasestr, char *, |
| 613 | (const char *haystack, const char *needle)); |
| 614 | # else |
| 615 | # if ! @HAVE_STRCASESTR@ |
| 616 | _GL_FUNCDECL_SYS (strcasestr, char *, |
| 617 | (const char *haystack, const char *needle) |
| 618 | _GL_ATTRIBUTE_PURE |
| 619 | _GL_ARG_NONNULL ((1, 2))); |
| 620 | # endif |
| 621 | /* On some systems, this function is defined as an overloaded function: |
| 622 | extern "C++" { const char * strcasestr (const char *, const char *); } |
| 623 | extern "C++" { char * strcasestr (char *, const char *); } */ |
| 624 | _GL_CXXALIAS_SYS_CAST2 (strcasestr, |
| 625 | char *, (const char *haystack, const char *needle), |
| 626 | const char *, (const char *haystack, const char *needle)); |
| 627 | # endif |
| 628 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| 629 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| 630 | _GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle)); |
| 631 | _GL_CXXALIASWARN1 (strcasestr, const char *, |
| 632 | (const char *haystack, const char *needle)); |
| 633 | # else |
| 634 | _GL_CXXALIASWARN (strcasestr); |
| 635 | # endif |
| 636 | #elif defined GNULIB_POSIXCHECK |
| 637 | /* strcasestr() does not work with multibyte strings: |
| 638 | It is a glibc extension, and glibc implements it only for unibyte |
| 639 | locales. */ |
| 640 | # undef strcasestr |
| 641 | # if HAVE_RAW_DECL_STRCASESTR |
| 642 | _GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character " |
| 643 | "strings in multibyte locales - " |
| 644 | "use mbscasestr if you care about " |
| 645 | "internationalization, or use c-strcasestr if you want " |
| 646 | "a locale independent function"); |
| 647 | # endif |
| 648 | #endif |
| 649 | |
| 650 | /* Parse S into tokens separated by characters in DELIM. |
| 651 | If S is NULL, the saved pointer in SAVE_PTR is used as |
| 652 | the next starting point. For example: |
| 653 | char s[] = "-abc-=-def"; |
| 654 | char *sp; |
| 655 | x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def" |
| 656 | x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL |
| 657 | x = strtok_r(NULL, "=", &sp); // x = NULL |
| 658 | // s = "abc\0-def\0" |
| 659 | |
| 660 | This is a variant of strtok() that is multithread-safe. |
| 661 | |
| 662 | For the POSIX documentation for this function, see: |
| 663 | http://www.opengroup.org/susv3xsh/strtok.html |
| 664 | |
| 665 | Caveat: It modifies the original string. |
| 666 | Caveat: These functions cannot be used on constant strings. |
| 667 | Caveat: The identity of the delimiting character is lost. |
| 668 | Caveat: It doesn't work with multibyte strings unless all of the delimiter |
| 669 | characters are ASCII characters < 0x30. |
| 670 | |
| 671 | See also strsep(). */ |
| 672 | #if @GNULIB_STRTOK_R@ |
| 673 | # if @REPLACE_STRTOK_R@ |
| 674 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 675 | # undef strtok_r |
| 676 | # define strtok_r rpl_strtok_r |
| 677 | # endif |
| 678 | _GL_FUNCDECL_RPL (strtok_r, char *, |
| 679 | (char *restrict s, char const *restrict delim, |
| 680 | char **restrict save_ptr) |
| 681 | _GL_ARG_NONNULL ((2, 3))); |
| 682 | _GL_CXXALIAS_RPL (strtok_r, char *, |
| 683 | (char *restrict s, char const *restrict delim, |
| 684 | char **restrict save_ptr)); |
| 685 | # else |
| 686 | # if @UNDEFINE_STRTOK_R@ || defined GNULIB_POSIXCHECK |
| 687 | # undef strtok_r |
| 688 | # endif |
| 689 | # if ! @HAVE_DECL_STRTOK_R@ |
| 690 | _GL_FUNCDECL_SYS (strtok_r, char *, |
| 691 | (char *restrict s, char const *restrict delim, |
| 692 | char **restrict save_ptr) |
| 693 | _GL_ARG_NONNULL ((2, 3))); |
| 694 | # endif |
| 695 | _GL_CXXALIAS_SYS (strtok_r, char *, |
| 696 | (char *restrict s, char const *restrict delim, |
| 697 | char **restrict save_ptr)); |
| 698 | # endif |
| 699 | _GL_CXXALIASWARN (strtok_r); |
| 700 | # if defined GNULIB_POSIXCHECK |
| 701 | _GL_WARN_ON_USE (strtok_r, "strtok_r cannot work correctly on character " |
| 702 | "strings in multibyte locales - " |
| 703 | "use mbstok_r if you care about internationalization"); |
| 704 | # endif |
| 705 | #elif defined GNULIB_POSIXCHECK |
| 706 | # undef strtok_r |
| 707 | # if HAVE_RAW_DECL_STRTOK_R |
| 708 | _GL_WARN_ON_USE (strtok_r, "strtok_r is unportable - " |
| 709 | "use gnulib module strtok_r for portability"); |
| 710 | # endif |
| 711 | #endif |
| 712 | |
| 713 | |
| 714 | /* The following functions are not specified by POSIX. They are gnulib |
| 715 | extensions. */ |
| 716 | |
| 717 | #if @GNULIB_MBSLEN@ |
| 718 | /* Return the number of multibyte characters in the character string STRING. |
| 719 | This considers multibyte characters, unlike strlen, which counts bytes. */ |
| 720 | # ifdef __MirBSD__ /* MirBSD defines mbslen as a macro. Override it. */ |
| 721 | # undef mbslen |
| 722 | # endif |
| 723 | # if @HAVE_MBSLEN@ /* AIX, OSF/1, MirBSD define mbslen already in libc. */ |
| 724 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 725 | # define mbslen rpl_mbslen |
| 726 | # endif |
| 727 | _GL_FUNCDECL_RPL (mbslen, size_t, (const char *string) |
| 728 | _GL_ATTRIBUTE_PURE |
| 729 | _GL_ARG_NONNULL ((1))); |
| 730 | _GL_CXXALIAS_RPL (mbslen, size_t, (const char *string)); |
| 731 | # else |
| 732 | _GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) |
| 733 | _GL_ATTRIBUTE_PURE |
| 734 | _GL_ARG_NONNULL ((1))); |
| 735 | _GL_CXXALIAS_SYS (mbslen, size_t, (const char *string)); |
| 736 | # endif |
| 737 | _GL_CXXALIASWARN (mbslen); |
| 738 | #endif |
| 739 | |
| 740 | #if @GNULIB_MBSNLEN@ |
| 741 | /* Return the number of multibyte characters in the character string starting |
| 742 | at STRING and ending at STRING + LEN. */ |
| 743 | _GL_EXTERN_C size_t mbsnlen (const char *string, size_t len) |
| 744 | _GL_ATTRIBUTE_PURE |
| 745 | _GL_ARG_NONNULL ((1)); |
| 746 | #endif |
| 747 | |
| 748 | #if @GNULIB_MBSCHR@ |
| 749 | /* Locate the first single-byte character C in the character string STRING, |
| 750 | and return a pointer to it. Return NULL if C is not found in STRING. |
| 751 | Unlike strchr(), this function works correctly in multibyte locales with |
| 752 | encodings such as GB18030. */ |
| 753 | # if defined __hpux |
| 754 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 755 | # define mbschr rpl_mbschr /* avoid collision with HP-UX function */ |
| 756 | # endif |
| 757 | _GL_FUNCDECL_RPL (mbschr, char *, (const char *string, int c) |
| 758 | _GL_ATTRIBUTE_PURE |
| 759 | _GL_ARG_NONNULL ((1))); |
| 760 | _GL_CXXALIAS_RPL (mbschr, char *, (const char *string, int c)); |
| 761 | # else |
| 762 | _GL_FUNCDECL_SYS (mbschr, char *, (const char *string, int c) |
| 763 | _GL_ATTRIBUTE_PURE |
| 764 | _GL_ARG_NONNULL ((1))); |
| 765 | _GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c)); |
| 766 | # endif |
| 767 | _GL_CXXALIASWARN (mbschr); |
| 768 | #endif |
| 769 | |
| 770 | #if @GNULIB_MBSRCHR@ |
| 771 | /* Locate the last single-byte character C in the character string STRING, |
| 772 | and return a pointer to it. Return NULL if C is not found in STRING. |
| 773 | Unlike strrchr(), this function works correctly in multibyte locales with |
| 774 | encodings such as GB18030. */ |
| 775 | # if defined __hpux || defined __INTERIX |
| 776 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 777 | # define mbsrchr rpl_mbsrchr /* avoid collision with system function */ |
| 778 | # endif |
| 779 | _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c) |
| 780 | _GL_ATTRIBUTE_PURE |
| 781 | _GL_ARG_NONNULL ((1))); |
| 782 | _GL_CXXALIAS_RPL (mbsrchr, char *, (const char *string, int c)); |
| 783 | # else |
| 784 | _GL_FUNCDECL_SYS (mbsrchr, char *, (const char *string, int c) |
| 785 | _GL_ATTRIBUTE_PURE |
| 786 | _GL_ARG_NONNULL ((1))); |
| 787 | _GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c)); |
| 788 | # endif |
| 789 | _GL_CXXALIASWARN (mbsrchr); |
| 790 | #endif |
| 791 | |
| 792 | #if @GNULIB_MBSSTR@ |
| 793 | /* Find the first occurrence of the character string NEEDLE in the character |
| 794 | string HAYSTACK. Return NULL if NEEDLE is not found in HAYSTACK. |
| 795 | Unlike strstr(), this function works correctly in multibyte locales with |
| 796 | encodings different from UTF-8. */ |
| 797 | _GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle) |
| 798 | _GL_ATTRIBUTE_PURE |
| 799 | _GL_ARG_NONNULL ((1, 2)); |
| 800 | #endif |
| 801 | |
| 802 | #if @GNULIB_MBSCASECMP@ |
| 803 | /* Compare the character strings S1 and S2, ignoring case, returning less than, |
| 804 | equal to or greater than zero if S1 is lexicographically less than, equal to |
| 805 | or greater than S2. |
| 806 | Note: This function may, in multibyte locales, return 0 for strings of |
| 807 | different lengths! |
| 808 | Unlike strcasecmp(), this function works correctly in multibyte locales. */ |
| 809 | _GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2) |
| 810 | _GL_ATTRIBUTE_PURE |
| 811 | _GL_ARG_NONNULL ((1, 2)); |
| 812 | #endif |
| 813 | |
| 814 | #if @GNULIB_MBSNCASECMP@ |
| 815 | /* Compare the initial segment of the character string S1 consisting of at most |
| 816 | N characters with the initial segment of the character string S2 consisting |
| 817 | of at most N characters, ignoring case, returning less than, equal to or |
| 818 | greater than zero if the initial segment of S1 is lexicographically less |
| 819 | than, equal to or greater than the initial segment of S2. |
| 820 | Note: This function may, in multibyte locales, return 0 for initial segments |
| 821 | of different lengths! |
| 822 | Unlike strncasecmp(), this function works correctly in multibyte locales. |
| 823 | But beware that N is not a byte count but a character count! */ |
| 824 | _GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n) |
| 825 | _GL_ATTRIBUTE_PURE |
| 826 | _GL_ARG_NONNULL ((1, 2)); |
| 827 | #endif |
| 828 | |
| 829 | #if @GNULIB_MBSPCASECMP@ |
| 830 | /* Compare the initial segment of the character string STRING consisting of |
| 831 | at most mbslen (PREFIX) characters with the character string PREFIX, |
| 832 | ignoring case. If the two match, return a pointer to the first byte |
| 833 | after this prefix in STRING. Otherwise, return NULL. |
| 834 | Note: This function may, in multibyte locales, return non-NULL if STRING |
| 835 | is of smaller length than PREFIX! |
| 836 | Unlike strncasecmp(), this function works correctly in multibyte |
| 837 | locales. */ |
| 838 | _GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix) |
| 839 | _GL_ATTRIBUTE_PURE |
| 840 | _GL_ARG_NONNULL ((1, 2)); |
| 841 | #endif |
| 842 | |
| 843 | #if @GNULIB_MBSCASESTR@ |
| 844 | /* Find the first occurrence of the character string NEEDLE in the character |
| 845 | string HAYSTACK, using case-insensitive comparison. |
| 846 | Note: This function may, in multibyte locales, return success even if |
| 847 | strlen (haystack) < strlen (needle) ! |
| 848 | Unlike strcasestr(), this function works correctly in multibyte locales. */ |
| 849 | _GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle) |
| 850 | _GL_ATTRIBUTE_PURE |
| 851 | _GL_ARG_NONNULL ((1, 2)); |
| 852 | #endif |
| 853 | |
| 854 | #if @GNULIB_MBSCSPN@ |
| 855 | /* Find the first occurrence in the character string STRING of any character |
| 856 | in the character string ACCEPT. Return the number of bytes from the |
| 857 | beginning of the string to this occurrence, or to the end of the string |
| 858 | if none exists. |
| 859 | Unlike strcspn(), this function works correctly in multibyte locales. */ |
| 860 | _GL_EXTERN_C size_t mbscspn (const char *string, const char *accept) |
| 861 | _GL_ATTRIBUTE_PURE |
| 862 | _GL_ARG_NONNULL ((1, 2)); |
| 863 | #endif |
| 864 | |
| 865 | #if @GNULIB_MBSPBRK@ |
| 866 | /* Find the first occurrence in the character string STRING of any character |
| 867 | in the character string ACCEPT. Return the pointer to it, or NULL if none |
| 868 | exists. |
| 869 | Unlike strpbrk(), this function works correctly in multibyte locales. */ |
| 870 | # if defined __hpux |
| 871 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 872 | # define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */ |
| 873 | # endif |
| 874 | _GL_FUNCDECL_RPL (mbspbrk, char *, (const char *string, const char *accept) |
| 875 | _GL_ATTRIBUTE_PURE |
| 876 | _GL_ARG_NONNULL ((1, 2))); |
| 877 | _GL_CXXALIAS_RPL (mbspbrk, char *, (const char *string, const char *accept)); |
| 878 | # else |
| 879 | _GL_FUNCDECL_SYS (mbspbrk, char *, (const char *string, const char *accept) |
| 880 | _GL_ATTRIBUTE_PURE |
| 881 | _GL_ARG_NONNULL ((1, 2))); |
| 882 | _GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept)); |
| 883 | # endif |
| 884 | _GL_CXXALIASWARN (mbspbrk); |
| 885 | #endif |
| 886 | |
| 887 | #if @GNULIB_MBSSPN@ |
| 888 | /* Find the first occurrence in the character string STRING of any character |
| 889 | not in the character string REJECT. Return the number of bytes from the |
| 890 | beginning of the string to this occurrence, or to the end of the string |
| 891 | if none exists. |
| 892 | Unlike strspn(), this function works correctly in multibyte locales. */ |
| 893 | _GL_EXTERN_C size_t mbsspn (const char *string, const char *reject) |
| 894 | _GL_ATTRIBUTE_PURE |
| 895 | _GL_ARG_NONNULL ((1, 2)); |
| 896 | #endif |
| 897 | |
| 898 | #if @GNULIB_MBSSEP@ |
| 899 | /* Search the next delimiter (multibyte character listed in the character |
| 900 | string DELIM) starting at the character string *STRINGP. |
| 901 | If one is found, overwrite it with a NUL, and advance *STRINGP to point |
| 902 | to the next multibyte character after it. Otherwise, set *STRINGP to NULL. |
| 903 | If *STRINGP was already NULL, nothing happens. |
| 904 | Return the old value of *STRINGP. |
| 905 | |
| 906 | This is a variant of mbstok_r() that supports empty fields. |
| 907 | |
| 908 | Caveat: It modifies the original string. |
| 909 | Caveat: These functions cannot be used on constant strings. |
| 910 | Caveat: The identity of the delimiting character is lost. |
| 911 | |
| 912 | See also mbstok_r(). */ |
| 913 | _GL_EXTERN_C char * mbssep (char **stringp, const char *delim) |
| 914 | _GL_ARG_NONNULL ((1, 2)); |
| 915 | #endif |
| 916 | |
| 917 | #if @GNULIB_MBSTOK_R@ |
| 918 | /* Parse the character string STRING into tokens separated by characters in |
| 919 | the character string DELIM. |
| 920 | If STRING is NULL, the saved pointer in SAVE_PTR is used as |
| 921 | the next starting point. For example: |
| 922 | char s[] = "-abc-=-def"; |
| 923 | char *sp; |
| 924 | x = mbstok_r(s, "-", &sp); // x = "abc", sp = "=-def" |
| 925 | x = mbstok_r(NULL, "-=", &sp); // x = "def", sp = NULL |
| 926 | x = mbstok_r(NULL, "=", &sp); // x = NULL |
| 927 | // s = "abc\0-def\0" |
| 928 | |
| 929 | Caveat: It modifies the original string. |
| 930 | Caveat: These functions cannot be used on constant strings. |
| 931 | Caveat: The identity of the delimiting character is lost. |
| 932 | |
| 933 | See also mbssep(). */ |
| 934 | _GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr) |
| 935 | _GL_ARG_NONNULL ((2, 3)); |
| 936 | #endif |
| 937 | |
| 938 | /* Map any int, typically from errno, into an error message. */ |
| 939 | #if @GNULIB_STRERROR@ |
| 940 | # if @REPLACE_STRERROR@ |
| 941 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 942 | # undef strerror |
| 943 | # define strerror rpl_strerror |
| 944 | # endif |
| 945 | _GL_FUNCDECL_RPL (strerror, char *, (int)); |
| 946 | _GL_CXXALIAS_RPL (strerror, char *, (int)); |
| 947 | # else |
| 948 | _GL_CXXALIAS_SYS (strerror, char *, (int)); |
| 949 | # endif |
| 950 | _GL_CXXALIASWARN (strerror); |
| 951 | #elif defined GNULIB_POSIXCHECK |
| 952 | # undef strerror |
| 953 | /* Assume strerror is always declared. */ |
| 954 | _GL_WARN_ON_USE (strerror, "strerror is unportable - " |
| 955 | "use gnulib module strerror to guarantee non-NULL result"); |
| 956 | #endif |
| 957 | |
| 958 | /* Map any int, typically from errno, into an error message. Multithread-safe. |
| 959 | Uses the POSIX declaration, not the glibc declaration. */ |
| 960 | #if @GNULIB_STRERROR_R@ |
| 961 | # if @REPLACE_STRERROR_R@ |
| 962 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 963 | # undef strerror_r |
| 964 | # define strerror_r rpl_strerror_r |
| 965 | # endif |
| 966 | _GL_FUNCDECL_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen) |
| 967 | _GL_ARG_NONNULL ((2))); |
| 968 | _GL_CXXALIAS_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen)); |
| 969 | # else |
| 970 | # if !@HAVE_DECL_STRERROR_R@ |
| 971 | _GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen) |
| 972 | _GL_ARG_NONNULL ((2))); |
| 973 | # endif |
| 974 | _GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)); |
| 975 | # endif |
| 976 | # if @HAVE_DECL_STRERROR_R@ |
| 977 | _GL_CXXALIASWARN (strerror_r); |
| 978 | # endif |
| 979 | #elif defined GNULIB_POSIXCHECK |
| 980 | # undef strerror_r |
| 981 | # if HAVE_RAW_DECL_STRERROR_R |
| 982 | _GL_WARN_ON_USE (strerror_r, "strerror_r is unportable - " |
| 983 | "use gnulib module strerror_r-posix for portability"); |
| 984 | # endif |
| 985 | #endif |
| 986 | |
| 987 | #if @GNULIB_STRSIGNAL@ |
| 988 | # if @REPLACE_STRSIGNAL@ |
| 989 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| 990 | # define strsignal rpl_strsignal |
| 991 | # endif |
| 992 | _GL_FUNCDECL_RPL (strsignal, char *, (int __sig)); |
| 993 | _GL_CXXALIAS_RPL (strsignal, char *, (int __sig)); |
| 994 | # else |
| 995 | # if ! @HAVE_DECL_STRSIGNAL@ |
| 996 | _GL_FUNCDECL_SYS (strsignal, char *, (int __sig)); |
| 997 | # endif |
| 998 | /* Need to cast, because on Cygwin 1.5.x systems, the return type is |
| 999 | 'const char *'. */ |
| 1000 | _GL_CXXALIAS_SYS_CAST (strsignal, char *, (int __sig)); |
| 1001 | # endif |
| 1002 | _GL_CXXALIASWARN (strsignal); |
| 1003 | #elif defined GNULIB_POSIXCHECK |
| 1004 | # undef strsignal |
| 1005 | # if HAVE_RAW_DECL_STRSIGNAL |
| 1006 | _GL_WARN_ON_USE (strsignal, "strsignal is unportable - " |
| 1007 | "use gnulib module strsignal for portability"); |
| 1008 | # endif |
| 1009 | #endif |
| 1010 | |
| 1011 | #if @GNULIB_STRVERSCMP@ |
| 1012 | # if !@HAVE_STRVERSCMP@ |
| 1013 | _GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *) |
| 1014 | _GL_ATTRIBUTE_PURE |
| 1015 | _GL_ARG_NONNULL ((1, 2))); |
| 1016 | # endif |
| 1017 | _GL_CXXALIAS_SYS (strverscmp, int, (const char *, const char *)); |
| 1018 | _GL_CXXALIASWARN (strverscmp); |
| 1019 | #elif defined GNULIB_POSIXCHECK |
| 1020 | # undef strverscmp |
| 1021 | # if HAVE_RAW_DECL_STRVERSCMP |
| 1022 | _GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - " |
| 1023 | "use gnulib module strverscmp for portability"); |
| 1024 | # endif |
| 1025 | #endif |
| 1026 | |
| 1027 | |
| 1028 | #endif /* _@GUARD_PREFIX@_STRING_H */ |
| 1029 | #endif /* _@GUARD_PREFIX@_STRING_H */ |