| | 1 | /* A GNU-like <string.h>. |
| | 2 | |
| | 3 | Copyright (C) 1995-1996, 2001-2012 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, write to the Free Software Foundation, |
| | 17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| | 18 | |
| | 19 | #ifndef _@GUARD_PREFIX@_STRING_H |
| | 20 | |
| | 21 | #if __GNUC__ >= 3 |
| | 22 | @PRAGMA_SYSTEM_HEADER@ |
| | 23 | #endif |
| | 24 | @PRAGMA_COLUMNS@ |
| | 25 | |
| | 26 | /* The include_next requires a split double-inclusion guard. */ |
| | 27 | #@INCLUDE_NEXT@ @NEXT_STRING_H@ |
| | 28 | |
| | 29 | #ifndef _@GUARD_PREFIX@_STRING_H |
| | 30 | #define _@GUARD_PREFIX@_STRING_H |
| | 31 | |
| | 32 | /* NetBSD 5.0 mis-defines NULL. */ |
| | 33 | #include <stddef.h> |
| | 34 | |
| | 35 | /* MirBSD defines mbslen as a macro. */ |
| | 36 | #if @GNULIB_MBSLEN@ && defined __MirBSD__ |
| | 37 | # include <wchar.h> |
| | 38 | #endif |
| | 39 | |
| | 40 | /* The __attribute__ feature is available in gcc versions 2.5 and later. |
| | 41 | The attribute __pure__ was added in gcc 2.96. */ |
| | 42 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) |
| | 43 | # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) |
| | 44 | #else |
| | 45 | # define _GL_ATTRIBUTE_PURE /* empty */ |
| | 46 | #endif |
| | 47 | |
| | 48 | /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ |
| | 49 | /* But in any case avoid namespace pollution on glibc systems. */ |
| | 50 | #if (@GNULIB_STRSIGNAL@ || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \ |
| | 51 | && ! defined __GLIBC__ |
| | 52 | # include <unistd.h> |
| | 53 | #endif |
| | 54 | |
| | 55 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
| | 56 | |
| | 57 | /* The definition of _GL_ARG_NONNULL is copied here. */ |
| | 58 | |
| | 59 | /* The definition of _GL_WARN_ON_USE is copied here. */ |
| | 60 | |
| | 61 | |
| | 62 | /* Find the index of the least-significant set bit. */ |
| | 63 | #if @GNULIB_FFSL@ |
| | 64 | # if !@HAVE_FFSL@ |
| | 65 | _GL_FUNCDECL_SYS (ffsl, int, (long int i)); |
| | 66 | # endif |
| | 67 | _GL_CXXALIAS_SYS (ffsl, int, (long int i)); |
| | 68 | _GL_CXXALIASWARN (ffsl); |
| | 69 | #elif defined GNULIB_POSIXCHECK |
| | 70 | # undef ffsl |
| | 71 | # if HAVE_RAW_DECL_FFSL |
| | 72 | _GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module"); |
| | 73 | # endif |
| | 74 | #endif |
| | 75 | |
| | 76 | |
| | 77 | /* Find the index of the least-significant set bit. */ |
| | 78 | #if @GNULIB_FFSLL@ |
| | 79 | # if !@HAVE_FFSLL@ |
| | 80 | _GL_FUNCDECL_SYS (ffsll, int, (long long int i)); |
| | 81 | # endif |
| | 82 | _GL_CXXALIAS_SYS (ffsll, int, (long long int i)); |
| | 83 | _GL_CXXALIASWARN (ffsll); |
| | 84 | #elif defined GNULIB_POSIXCHECK |
| | 85 | # undef ffsll |
| | 86 | # if HAVE_RAW_DECL_FFSLL |
| | 87 | _GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module"); |
| | 88 | # endif |
| | 89 | #endif |
| | 90 | |
| | 91 | |
| | 92 | /* Return the first instance of C within N bytes of S, or NULL. */ |
| | 93 | #if @GNULIB_MEMCHR@ |
| | 94 | # if @REPLACE_MEMCHR@ |
| | 95 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 96 | # define memchr rpl_memchr |
| | 97 | # endif |
| | 98 | _GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n) |
| | 99 | _GL_ATTRIBUTE_PURE |
| | 100 | _GL_ARG_NONNULL ((1))); |
| | 101 | _GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n)); |
| | 102 | # else |
| | 103 | # if ! @HAVE_MEMCHR@ |
| | 104 | _GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n) |
| | 105 | _GL_ATTRIBUTE_PURE |
| | 106 | _GL_ARG_NONNULL ((1))); |
| | 107 | # endif |
| | 108 | /* On some systems, this function is defined as an overloaded function: |
| | 109 | extern "C" { const void * std::memchr (const void *, int, size_t); } |
| | 110 | extern "C++" { void * std::memchr (void *, int, size_t); } */ |
| | 111 | _GL_CXXALIAS_SYS_CAST2 (memchr, |
| | 112 | void *, (void const *__s, int __c, size_t __n), |
| | 113 | void const *, (void const *__s, int __c, size_t __n)); |
| | 114 | # endif |
| | 115 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 116 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 117 | _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n)); |
| | 118 | _GL_CXXALIASWARN1 (memchr, void const *, |
| | 119 | (void const *__s, int __c, size_t __n)); |
| | 120 | # else |
| | 121 | _GL_CXXALIASWARN (memchr); |
| | 122 | # endif |
| | 123 | #elif defined GNULIB_POSIXCHECK |
| | 124 | # undef memchr |
| | 125 | /* Assume memchr is always declared. */ |
| | 126 | _GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - " |
| | 127 | "use gnulib module memchr for portability" ); |
| | 128 | #endif |
| | 129 | |
| | 130 | /* Return the first occurrence of NEEDLE in HAYSTACK. */ |
| | 131 | #if @GNULIB_MEMMEM@ |
| | 132 | # if @REPLACE_MEMMEM@ |
| | 133 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 134 | # define memmem rpl_memmem |
| | 135 | # endif |
| | 136 | _GL_FUNCDECL_RPL (memmem, void *, |
| | 137 | (void const *__haystack, size_t __haystack_len, |
| | 138 | void const *__needle, size_t __needle_len) |
| | 139 | _GL_ATTRIBUTE_PURE |
| | 140 | _GL_ARG_NONNULL ((1, 3))); |
| | 141 | _GL_CXXALIAS_RPL (memmem, void *, |
| | 142 | (void const *__haystack, size_t __haystack_len, |
| | 143 | void const *__needle, size_t __needle_len)); |
| | 144 | # else |
| | 145 | # if ! @HAVE_DECL_MEMMEM@ |
| | 146 | _GL_FUNCDECL_SYS (memmem, void *, |
| | 147 | (void const *__haystack, size_t __haystack_len, |
| | 148 | void const *__needle, size_t __needle_len) |
| | 149 | _GL_ATTRIBUTE_PURE |
| | 150 | _GL_ARG_NONNULL ((1, 3))); |
| | 151 | # endif |
| | 152 | _GL_CXXALIAS_SYS (memmem, void *, |
| | 153 | (void const *__haystack, size_t __haystack_len, |
| | 154 | void const *__needle, size_t __needle_len)); |
| | 155 | # endif |
| | 156 | _GL_CXXALIASWARN (memmem); |
| | 157 | #elif defined GNULIB_POSIXCHECK |
| | 158 | # undef memmem |
| | 159 | # if HAVE_RAW_DECL_MEMMEM |
| | 160 | _GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - " |
| | 161 | "use gnulib module memmem-simple for portability, " |
| | 162 | "and module memmem for speed" ); |
| | 163 | # endif |
| | 164 | #endif |
| | 165 | |
| | 166 | /* Copy N bytes of SRC to DEST, return pointer to bytes after the |
| | 167 | last written byte. */ |
| | 168 | #if @GNULIB_MEMPCPY@ |
| | 169 | # if ! @HAVE_MEMPCPY@ |
| | 170 | _GL_FUNCDECL_SYS (mempcpy, void *, |
| | 171 | (void *restrict __dest, void const *restrict __src, |
| | 172 | size_t __n) |
| | 173 | _GL_ARG_NONNULL ((1, 2))); |
| | 174 | # endif |
| | 175 | _GL_CXXALIAS_SYS (mempcpy, void *, |
| | 176 | (void *restrict __dest, void const *restrict __src, |
| | 177 | size_t __n)); |
| | 178 | _GL_CXXALIASWARN (mempcpy); |
| | 179 | #elif defined GNULIB_POSIXCHECK |
| | 180 | # undef mempcpy |
| | 181 | # if HAVE_RAW_DECL_MEMPCPY |
| | 182 | _GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - " |
| | 183 | "use gnulib module mempcpy for portability"); |
| | 184 | # endif |
| | 185 | #endif |
| | 186 | |
| | 187 | /* Search backwards through a block for a byte (specified as an int). */ |
| | 188 | #if @GNULIB_MEMRCHR@ |
| | 189 | # if ! @HAVE_DECL_MEMRCHR@ |
| | 190 | _GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t) |
| | 191 | _GL_ATTRIBUTE_PURE |
| | 192 | _GL_ARG_NONNULL ((1))); |
| | 193 | # endif |
| | 194 | /* On some systems, this function is defined as an overloaded function: |
| | 195 | extern "C++" { const void * std::memrchr (const void *, int, size_t); } |
| | 196 | extern "C++" { void * std::memrchr (void *, int, size_t); } */ |
| | 197 | _GL_CXXALIAS_SYS_CAST2 (memrchr, |
| | 198 | void *, (void const *, int, size_t), |
| | 199 | void const *, (void const *, int, size_t)); |
| | 200 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 201 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 202 | _GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t)); |
| | 203 | _GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t)); |
| | 204 | # else |
| | 205 | _GL_CXXALIASWARN (memrchr); |
| | 206 | # endif |
| | 207 | #elif defined GNULIB_POSIXCHECK |
| | 208 | # undef memrchr |
| | 209 | # if HAVE_RAW_DECL_MEMRCHR |
| | 210 | _GL_WARN_ON_USE (memrchr, "memrchr is unportable - " |
| | 211 | "use gnulib module memrchr for portability"); |
| | 212 | # endif |
| | 213 | #endif |
| | 214 | |
| | 215 | /* Find the first occurrence of C in S. More efficient than |
| | 216 | memchr(S,C,N), at the expense of undefined behavior if C does not |
| | 217 | occur within N bytes. */ |
| | 218 | #if @GNULIB_RAWMEMCHR@ |
| | 219 | # if ! @HAVE_RAWMEMCHR@ |
| | 220 | _GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in) |
| | 221 | _GL_ATTRIBUTE_PURE |
| | 222 | _GL_ARG_NONNULL ((1))); |
| | 223 | # endif |
| | 224 | /* On some systems, this function is defined as an overloaded function: |
| | 225 | extern "C++" { const void * std::rawmemchr (const void *, int); } |
| | 226 | extern "C++" { void * std::rawmemchr (void *, int); } */ |
| | 227 | _GL_CXXALIAS_SYS_CAST2 (rawmemchr, |
| | 228 | void *, (void const *__s, int __c_in), |
| | 229 | void const *, (void const *__s, int __c_in)); |
| | 230 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 231 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 232 | _GL_CXXALIASWARN1 (rawmemchr, void *, (void *__s, int __c_in)); |
| | 233 | _GL_CXXALIASWARN1 (rawmemchr, void const *, (void const *__s, int __c_in)); |
| | 234 | # else |
| | 235 | _GL_CXXALIASWARN (rawmemchr); |
| | 236 | # endif |
| | 237 | #elif defined GNULIB_POSIXCHECK |
| | 238 | # undef rawmemchr |
| | 239 | # if HAVE_RAW_DECL_RAWMEMCHR |
| | 240 | _GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - " |
| | 241 | "use gnulib module rawmemchr for portability"); |
| | 242 | # endif |
| | 243 | #endif |
| | 244 | |
| | 245 | /* Copy SRC to DST, returning the address of the terminating '\0' in DST. */ |
| | 246 | #if @GNULIB_STPCPY@ |
| | 247 | # if ! @HAVE_STPCPY@ |
| | 248 | _GL_FUNCDECL_SYS (stpcpy, char *, |
| | 249 | (char *restrict __dst, char const *restrict __src) |
| | 250 | _GL_ARG_NONNULL ((1, 2))); |
| | 251 | # endif |
| | 252 | _GL_CXXALIAS_SYS (stpcpy, char *, |
| | 253 | (char *restrict __dst, char const *restrict __src)); |
| | 254 | _GL_CXXALIASWARN (stpcpy); |
| | 255 | #elif defined GNULIB_POSIXCHECK |
| | 256 | # undef stpcpy |
| | 257 | # if HAVE_RAW_DECL_STPCPY |
| | 258 | _GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - " |
| | 259 | "use gnulib module stpcpy for portability"); |
| | 260 | # endif |
| | 261 | #endif |
| | 262 | |
| | 263 | /* Copy no more than N bytes of SRC to DST, returning a pointer past the |
| | 264 | last non-NUL byte written into DST. */ |
| | 265 | #if @GNULIB_STPNCPY@ |
| | 266 | # if @REPLACE_STPNCPY@ |
| | 267 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 268 | # undef stpncpy |
| | 269 | # define stpncpy rpl_stpncpy |
| | 270 | # endif |
| | 271 | _GL_FUNCDECL_RPL (stpncpy, char *, |
| | 272 | (char *restrict __dst, char const *restrict __src, |
| | 273 | size_t __n) |
| | 274 | _GL_ARG_NONNULL ((1, 2))); |
| | 275 | _GL_CXXALIAS_RPL (stpncpy, char *, |
| | 276 | (char *restrict __dst, char const *restrict __src, |
| | 277 | size_t __n)); |
| | 278 | # else |
| | 279 | # if ! @HAVE_STPNCPY@ |
| | 280 | _GL_FUNCDECL_SYS (stpncpy, char *, |
| | 281 | (char *restrict __dst, char const *restrict __src, |
| | 282 | size_t __n) |
| | 283 | _GL_ARG_NONNULL ((1, 2))); |
| | 284 | # endif |
| | 285 | _GL_CXXALIAS_SYS (stpncpy, char *, |
| | 286 | (char *restrict __dst, char const *restrict __src, |
| | 287 | size_t __n)); |
| | 288 | # endif |
| | 289 | _GL_CXXALIASWARN (stpncpy); |
| | 290 | #elif defined GNULIB_POSIXCHECK |
| | 291 | # undef stpncpy |
| | 292 | # if HAVE_RAW_DECL_STPNCPY |
| | 293 | _GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - " |
| | 294 | "use gnulib module stpncpy for portability"); |
| | 295 | # endif |
| | 296 | #endif |
| | 297 | |
| | 298 | #if defined GNULIB_POSIXCHECK |
| | 299 | /* strchr() does not work with multibyte strings if the locale encoding is |
| | 300 | GB18030 and the character to be searched is a digit. */ |
| | 301 | # undef strchr |
| | 302 | /* Assume strchr is always declared. */ |
| | 303 | _GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings " |
| | 304 | "in some multibyte locales - " |
| | 305 | "use mbschr if you care about internationalization"); |
| | 306 | #endif |
| | 307 | |
| | 308 | /* Find the first occurrence of C in S or the final NUL byte. */ |
| | 309 | #if @GNULIB_STRCHRNUL@ |
| | 310 | # if @REPLACE_STRCHRNUL@ |
| | 311 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 312 | # define strchrnul rpl_strchrnul |
| | 313 | # endif |
| | 314 | _GL_FUNCDECL_RPL (strchrnul, char *, (const char *__s, int __c_in) |
| | 315 | _GL_ATTRIBUTE_PURE |
| | 316 | _GL_ARG_NONNULL ((1))); |
| | 317 | _GL_CXXALIAS_RPL (strchrnul, char *, |
| | 318 | (const char *str, int ch)); |
| | 319 | # else |
| | 320 | # if ! @HAVE_STRCHRNUL@ |
| | 321 | _GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in) |
| | 322 | _GL_ATTRIBUTE_PURE |
| | 323 | _GL_ARG_NONNULL ((1))); |
| | 324 | # endif |
| | 325 | /* On some systems, this function is defined as an overloaded function: |
| | 326 | extern "C++" { const char * std::strchrnul (const char *, int); } |
| | 327 | extern "C++" { char * std::strchrnul (char *, int); } */ |
| | 328 | _GL_CXXALIAS_SYS_CAST2 (strchrnul, |
| | 329 | char *, (char const *__s, int __c_in), |
| | 330 | char const *, (char const *__s, int __c_in)); |
| | 331 | # endif |
| | 332 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 333 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 334 | _GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in)); |
| | 335 | _GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in)); |
| | 336 | # else |
| | 337 | _GL_CXXALIASWARN (strchrnul); |
| | 338 | # endif |
| | 339 | #elif defined GNULIB_POSIXCHECK |
| | 340 | # undef strchrnul |
| | 341 | # if HAVE_RAW_DECL_STRCHRNUL |
| | 342 | _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " |
| | 343 | "use gnulib module strchrnul for portability"); |
| | 344 | # endif |
| | 345 | #endif |
| | 346 | |
| | 347 | /* Duplicate S, returning an identical malloc'd string. */ |
| | 348 | #if @GNULIB_STRDUP@ |
| | 349 | # if @REPLACE_STRDUP@ |
| | 350 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 351 | # undef strdup |
| | 352 | # define strdup rpl_strdup |
| | 353 | # endif |
| | 354 | _GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); |
| | 355 | _GL_CXXALIAS_RPL (strdup, char *, (char const *__s)); |
| | 356 | # else |
| | 357 | # if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup |
| | 358 | /* strdup exists as a function and as a macro. Get rid of the macro. */ |
| | 359 | # undef strdup |
| | 360 | # endif |
| | 361 | # if !(@HAVE_DECL_STRDUP@ || defined strdup) |
| | 362 | _GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); |
| | 363 | # endif |
| | 364 | _GL_CXXALIAS_SYS (strdup, char *, (char const *__s)); |
| | 365 | # endif |
| | 366 | _GL_CXXALIASWARN (strdup); |
| | 367 | #elif defined GNULIB_POSIXCHECK |
| | 368 | # undef strdup |
| | 369 | # if HAVE_RAW_DECL_STRDUP |
| | 370 | _GL_WARN_ON_USE (strdup, "strdup is unportable - " |
| | 371 | "use gnulib module strdup for portability"); |
| | 372 | # endif |
| | 373 | #endif |
| | 374 | |
| | 375 | /* Append no more than N characters from SRC onto DEST. */ |
| | 376 | #if @GNULIB_STRNCAT@ |
| | 377 | # if @REPLACE_STRNCAT@ |
| | 378 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 379 | # undef strncat |
| | 380 | # define strncat rpl_strncat |
| | 381 | # endif |
| | 382 | _GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n) |
| | 383 | _GL_ARG_NONNULL ((1, 2))); |
| | 384 | _GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n)); |
| | 385 | # else |
| | 386 | _GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n)); |
| | 387 | # endif |
| | 388 | _GL_CXXALIASWARN (strncat); |
| | 389 | #elif defined GNULIB_POSIXCHECK |
| | 390 | # undef strncat |
| | 391 | # if HAVE_RAW_DECL_STRNCAT |
| | 392 | _GL_WARN_ON_USE (strncat, "strncat is unportable - " |
| | 393 | "use gnulib module strncat for portability"); |
| | 394 | # endif |
| | 395 | #endif |
| | 396 | |
| | 397 | /* Return a newly allocated copy of at most N bytes of STRING. */ |
| | 398 | #if @GNULIB_STRNDUP@ |
| | 399 | # if @REPLACE_STRNDUP@ |
| | 400 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 401 | # undef strndup |
| | 402 | # define strndup rpl_strndup |
| | 403 | # endif |
| | 404 | _GL_FUNCDECL_RPL (strndup, char *, (char const *__string, size_t __n) |
| | 405 | _GL_ARG_NONNULL ((1))); |
| | 406 | _GL_CXXALIAS_RPL (strndup, char *, (char const *__string, size_t __n)); |
| | 407 | # else |
| | 408 | # if ! @HAVE_DECL_STRNDUP@ |
| | 409 | _GL_FUNCDECL_SYS (strndup, char *, (char const *__string, size_t __n) |
| | 410 | _GL_ARG_NONNULL ((1))); |
| | 411 | # endif |
| | 412 | _GL_CXXALIAS_SYS (strndup, char *, (char const *__string, size_t __n)); |
| | 413 | # endif |
| | 414 | _GL_CXXALIASWARN (strndup); |
| | 415 | #elif defined GNULIB_POSIXCHECK |
| | 416 | # undef strndup |
| | 417 | # if HAVE_RAW_DECL_STRNDUP |
| | 418 | _GL_WARN_ON_USE (strndup, "strndup is unportable - " |
| | 419 | "use gnulib module strndup for portability"); |
| | 420 | # endif |
| | 421 | #endif |
| | 422 | |
| | 423 | /* Find the length (number of bytes) of STRING, but scan at most |
| | 424 | MAXLEN bytes. If no '\0' terminator is found in that many bytes, |
| | 425 | return MAXLEN. */ |
| | 426 | #if @GNULIB_STRNLEN@ |
| | 427 | # if @REPLACE_STRNLEN@ |
| | 428 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 429 | # undef strnlen |
| | 430 | # define strnlen rpl_strnlen |
| | 431 | # endif |
| | 432 | _GL_FUNCDECL_RPL (strnlen, size_t, (char const *__string, size_t __maxlen) |
| | 433 | _GL_ATTRIBUTE_PURE |
| | 434 | _GL_ARG_NONNULL ((1))); |
| | 435 | _GL_CXXALIAS_RPL (strnlen, size_t, (char const *__string, size_t __maxlen)); |
| | 436 | # else |
| | 437 | # if ! @HAVE_DECL_STRNLEN@ |
| | 438 | _GL_FUNCDECL_SYS (strnlen, size_t, (char const *__string, size_t __maxlen) |
| | 439 | _GL_ATTRIBUTE_PURE |
| | 440 | _GL_ARG_NONNULL ((1))); |
| | 441 | # endif |
| | 442 | _GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)); |
| | 443 | # endif |
| | 444 | _GL_CXXALIASWARN (strnlen); |
| | 445 | #elif defined GNULIB_POSIXCHECK |
| | 446 | # undef strnlen |
| | 447 | # if HAVE_RAW_DECL_STRNLEN |
| | 448 | _GL_WARN_ON_USE (strnlen, "strnlen is unportable - " |
| | 449 | "use gnulib module strnlen for portability"); |
| | 450 | # endif |
| | 451 | #endif |
| | 452 | |
| | 453 | #if defined GNULIB_POSIXCHECK |
| | 454 | /* strcspn() assumes the second argument is a list of single-byte characters. |
| | 455 | Even in this simple case, it does not work with multibyte strings if the |
| | 456 | locale encoding is GB18030 and one of the characters to be searched is a |
| | 457 | digit. */ |
| | 458 | # undef strcspn |
| | 459 | /* Assume strcspn is always declared. */ |
| | 460 | _GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings " |
| | 461 | "in multibyte locales - " |
| | 462 | "use mbscspn if you care about internationalization"); |
| | 463 | #endif |
| | 464 | |
| | 465 | /* Find the first occurrence in S of any character in ACCEPT. */ |
| | 466 | #if @GNULIB_STRPBRK@ |
| | 467 | # if ! @HAVE_STRPBRK@ |
| | 468 | _GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept) |
| | 469 | _GL_ATTRIBUTE_PURE |
| | 470 | _GL_ARG_NONNULL ((1, 2))); |
| | 471 | # endif |
| | 472 | /* On some systems, this function is defined as an overloaded function: |
| | 473 | extern "C" { const char * strpbrk (const char *, const char *); } |
| | 474 | extern "C++" { char * strpbrk (char *, const char *); } */ |
| | 475 | _GL_CXXALIAS_SYS_CAST2 (strpbrk, |
| | 476 | char *, (char const *__s, char const *__accept), |
| | 477 | const char *, (char const *__s, char const *__accept)); |
| | 478 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 479 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 480 | _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept)); |
| | 481 | _GL_CXXALIASWARN1 (strpbrk, char const *, |
| | 482 | (char const *__s, char const *__accept)); |
| | 483 | # else |
| | 484 | _GL_CXXALIASWARN (strpbrk); |
| | 485 | # endif |
| | 486 | # if defined GNULIB_POSIXCHECK |
| | 487 | /* strpbrk() assumes the second argument is a list of single-byte characters. |
| | 488 | Even in this simple case, it does not work with multibyte strings if the |
| | 489 | locale encoding is GB18030 and one of the characters to be searched is a |
| | 490 | digit. */ |
| | 491 | # undef strpbrk |
| | 492 | _GL_WARN_ON_USE (strpbrk, "strpbrk cannot work correctly on character strings " |
| | 493 | "in multibyte locales - " |
| | 494 | "use mbspbrk if you care about internationalization"); |
| | 495 | # endif |
| | 496 | #elif defined GNULIB_POSIXCHECK |
| | 497 | # undef strpbrk |
| | 498 | # if HAVE_RAW_DECL_STRPBRK |
| | 499 | _GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - " |
| | 500 | "use gnulib module strpbrk for portability"); |
| | 501 | # endif |
| | 502 | #endif |
| | 503 | |
| | 504 | #if defined GNULIB_POSIXCHECK |
| | 505 | /* strspn() assumes the second argument is a list of single-byte characters. |
| | 506 | Even in this simple case, it cannot work with multibyte strings. */ |
| | 507 | # undef strspn |
| | 508 | /* Assume strspn is always declared. */ |
| | 509 | _GL_WARN_ON_USE (strspn, "strspn cannot work correctly on character strings " |
| | 510 | "in multibyte locales - " |
| | 511 | "use mbsspn if you care about internationalization"); |
| | 512 | #endif |
| | 513 | |
| | 514 | #if defined GNULIB_POSIXCHECK |
| | 515 | /* strrchr() does not work with multibyte strings if the locale encoding is |
| | 516 | GB18030 and the character to be searched is a digit. */ |
| | 517 | # undef strrchr |
| | 518 | /* Assume strrchr is always declared. */ |
| | 519 | _GL_WARN_ON_USE (strrchr, "strrchr cannot work correctly on character strings " |
| | 520 | "in some multibyte locales - " |
| | 521 | "use mbsrchr if you care about internationalization"); |
| | 522 | #endif |
| | 523 | |
| | 524 | /* Search the next delimiter (char listed in DELIM) starting at *STRINGP. |
| | 525 | If one is found, overwrite it with a NUL, and advance *STRINGP |
| | 526 | to point to the next char after it. Otherwise, set *STRINGP to NULL. |
| | 527 | If *STRINGP was already NULL, nothing happens. |
| | 528 | Return the old value of *STRINGP. |
| | 529 | |
| | 530 | This is a variant of strtok() that is multithread-safe and supports |
| | 531 | empty fields. |
| | 532 | |
| | 533 | Caveat: It modifies the original string. |
| | 534 | Caveat: These functions cannot be used on constant strings. |
| | 535 | Caveat: The identity of the delimiting character is lost. |
| | 536 | Caveat: It doesn't work with multibyte strings unless all of the delimiter |
| | 537 | characters are ASCII characters < 0x30. |
| | 538 | |
| | 539 | See also strtok_r(). */ |
| | 540 | #if @GNULIB_STRSEP@ |
| | 541 | # if ! @HAVE_STRSEP@ |
| | 542 | _GL_FUNCDECL_SYS (strsep, char *, |
| | 543 | (char **restrict __stringp, char const *restrict __delim) |
| | 544 | _GL_ARG_NONNULL ((1, 2))); |
| | 545 | # endif |
| | 546 | _GL_CXXALIAS_SYS (strsep, char *, |
| | 547 | (char **restrict __stringp, char const *restrict __delim)); |
| | 548 | _GL_CXXALIASWARN (strsep); |
| | 549 | # if defined GNULIB_POSIXCHECK |
| | 550 | # undef strsep |
| | 551 | _GL_WARN_ON_USE (strsep, "strsep cannot work correctly on character strings " |
| | 552 | "in multibyte locales - " |
| | 553 | "use mbssep if you care about internationalization"); |
| | 554 | # endif |
| | 555 | #elif defined GNULIB_POSIXCHECK |
| | 556 | # undef strsep |
| | 557 | # if HAVE_RAW_DECL_STRSEP |
| | 558 | _GL_WARN_ON_USE (strsep, "strsep is unportable - " |
| | 559 | "use gnulib module strsep for portability"); |
| | 560 | # endif |
| | 561 | #endif |
| | 562 | |
| | 563 | #if @GNULIB_STRSTR@ |
| | 564 | # if @REPLACE_STRSTR@ |
| | 565 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 566 | # define strstr rpl_strstr |
| | 567 | # endif |
| | 568 | _GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle) |
| | 569 | _GL_ATTRIBUTE_PURE |
| | 570 | _GL_ARG_NONNULL ((1, 2))); |
| | 571 | _GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle)); |
| | 572 | # else |
| | 573 | /* On some systems, this function is defined as an overloaded function: |
| | 574 | extern "C++" { const char * strstr (const char *, const char *); } |
| | 575 | extern "C++" { char * strstr (char *, const char *); } */ |
| | 576 | _GL_CXXALIAS_SYS_CAST2 (strstr, |
| | 577 | char *, (const char *haystack, const char *needle), |
| | 578 | const char *, (const char *haystack, const char *needle)); |
| | 579 | # endif |
| | 580 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 581 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 582 | _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle)); |
| | 583 | _GL_CXXALIASWARN1 (strstr, const char *, |
| | 584 | (const char *haystack, const char *needle)); |
| | 585 | # else |
| | 586 | _GL_CXXALIASWARN (strstr); |
| | 587 | # endif |
| | 588 | #elif defined GNULIB_POSIXCHECK |
| | 589 | /* strstr() does not work with multibyte strings if the locale encoding is |
| | 590 | different from UTF-8: |
| | 591 | POSIX says that it operates on "strings", and "string" in POSIX is defined |
| | 592 | as a sequence of bytes, not of characters. */ |
| | 593 | # undef strstr |
| | 594 | /* Assume strstr is always declared. */ |
| | 595 | _GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot " |
| | 596 | "work correctly on character strings in most " |
| | 597 | "multibyte locales - " |
| | 598 | "use mbsstr if you care about internationalization, " |
| | 599 | "or use strstr if you care about speed"); |
| | 600 | #endif |
| | 601 | |
| | 602 | /* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive |
| | 603 | comparison. */ |
| | 604 | #if @GNULIB_STRCASESTR@ |
| | 605 | # if @REPLACE_STRCASESTR@ |
| | 606 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 607 | # define strcasestr rpl_strcasestr |
| | 608 | # endif |
| | 609 | _GL_FUNCDECL_RPL (strcasestr, char *, |
| | 610 | (const char *haystack, const char *needle) |
| | 611 | _GL_ATTRIBUTE_PURE |
| | 612 | _GL_ARG_NONNULL ((1, 2))); |
| | 613 | _GL_CXXALIAS_RPL (strcasestr, char *, |
| | 614 | (const char *haystack, const char *needle)); |
| | 615 | # else |
| | 616 | # if ! @HAVE_STRCASESTR@ |
| | 617 | _GL_FUNCDECL_SYS (strcasestr, char *, |
| | 618 | (const char *haystack, const char *needle) |
| | 619 | _GL_ATTRIBUTE_PURE |
| | 620 | _GL_ARG_NONNULL ((1, 2))); |
| | 621 | # endif |
| | 622 | /* On some systems, this function is defined as an overloaded function: |
| | 623 | extern "C++" { const char * strcasestr (const char *, const char *); } |
| | 624 | extern "C++" { char * strcasestr (char *, const char *); } */ |
| | 625 | _GL_CXXALIAS_SYS_CAST2 (strcasestr, |
| | 626 | char *, (const char *haystack, const char *needle), |
| | 627 | const char *, (const char *haystack, const char *needle)); |
| | 628 | # endif |
| | 629 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
| | 630 | && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
| | 631 | _GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle)); |
| | 632 | _GL_CXXALIASWARN1 (strcasestr, const char *, |
| | 633 | (const char *haystack, const char *needle)); |
| | 634 | # else |
| | 635 | _GL_CXXALIASWARN (strcasestr); |
| | 636 | # endif |
| | 637 | #elif defined GNULIB_POSIXCHECK |
| | 638 | /* strcasestr() does not work with multibyte strings: |
| | 639 | It is a glibc extension, and glibc implements it only for unibyte |
| | 640 | locales. */ |
| | 641 | # undef strcasestr |
| | 642 | # if HAVE_RAW_DECL_STRCASESTR |
| | 643 | _GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character " |
| | 644 | "strings in multibyte locales - " |
| | 645 | "use mbscasestr if you care about " |
| | 646 | "internationalization, or use c-strcasestr if you want " |
| | 647 | "a locale independent function"); |
| | 648 | # endif |
| | 649 | #endif |
| | 650 | |
| | 651 | /* Parse S into tokens separated by characters in DELIM. |
| | 652 | If S is NULL, the saved pointer in SAVE_PTR is used as |
| | 653 | the next starting point. For example: |
| | 654 | char s[] = "-abc-=-def"; |
| | 655 | char *sp; |
| | 656 | x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def" |
| | 657 | x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL |
| | 658 | x = strtok_r(NULL, "=", &sp); // x = NULL |
| | 659 | // s = "abc\0-def\0" |
| | 660 | |
| | 661 | This is a variant of strtok() that is multithread-safe. |
| | 662 | |
| | 663 | For the POSIX documentation for this function, see: |
| | 664 | http://www.opengroup.org/susv3xsh/strtok.html |
| | 665 | |
| | 666 | Caveat: It modifies the original string. |
| | 667 | Caveat: These functions cannot be used on constant strings. |
| | 668 | Caveat: The identity of the delimiting character is lost. |
| | 669 | Caveat: It doesn't work with multibyte strings unless all of the delimiter |
| | 670 | characters are ASCII characters < 0x30. |
| | 671 | |
| | 672 | See also strsep(). */ |
| | 673 | #if @GNULIB_STRTOK_R@ |
| | 674 | # if @REPLACE_STRTOK_R@ |
| | 675 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 676 | # undef strtok_r |
| | 677 | # define strtok_r rpl_strtok_r |
| | 678 | # endif |
| | 679 | _GL_FUNCDECL_RPL (strtok_r, char *, |
| | 680 | (char *restrict s, char const *restrict delim, |
| | 681 | char **restrict save_ptr) |
| | 682 | _GL_ARG_NONNULL ((2, 3))); |
| | 683 | _GL_CXXALIAS_RPL (strtok_r, char *, |
| | 684 | (char *restrict s, char const *restrict delim, |
| | 685 | char **restrict save_ptr)); |
| | 686 | # else |
| | 687 | # if @UNDEFINE_STRTOK_R@ || defined GNULIB_POSIXCHECK |
| | 688 | # undef strtok_r |
| | 689 | # endif |
| | 690 | # if ! @HAVE_DECL_STRTOK_R@ |
| | 691 | _GL_FUNCDECL_SYS (strtok_r, char *, |
| | 692 | (char *restrict s, char const *restrict delim, |
| | 693 | char **restrict save_ptr) |
| | 694 | _GL_ARG_NONNULL ((2, 3))); |
| | 695 | # endif |
| | 696 | _GL_CXXALIAS_SYS (strtok_r, char *, |
| | 697 | (char *restrict s, char const *restrict delim, |
| | 698 | char **restrict save_ptr)); |
| | 699 | # endif |
| | 700 | _GL_CXXALIASWARN (strtok_r); |
| | 701 | # if defined GNULIB_POSIXCHECK |
| | 702 | _GL_WARN_ON_USE (strtok_r, "strtok_r cannot work correctly on character " |
| | 703 | "strings in multibyte locales - " |
| | 704 | "use mbstok_r if you care about internationalization"); |
| | 705 | # endif |
| | 706 | #elif defined GNULIB_POSIXCHECK |
| | 707 | # undef strtok_r |
| | 708 | # if HAVE_RAW_DECL_STRTOK_R |
| | 709 | _GL_WARN_ON_USE (strtok_r, "strtok_r is unportable - " |
| | 710 | "use gnulib module strtok_r for portability"); |
| | 711 | # endif |
| | 712 | #endif |
| | 713 | |
| | 714 | |
| | 715 | /* The following functions are not specified by POSIX. They are gnulib |
| | 716 | extensions. */ |
| | 717 | |
| | 718 | #if @GNULIB_MBSLEN@ |
| | 719 | /* Return the number of multibyte characters in the character string STRING. |
| | 720 | This considers multibyte characters, unlike strlen, which counts bytes. */ |
| | 721 | # ifdef __MirBSD__ /* MirBSD defines mbslen as a macro. Override it. */ |
| | 722 | # undef mbslen |
| | 723 | # endif |
| | 724 | # if @HAVE_MBSLEN@ /* AIX, OSF/1, MirBSD define mbslen already in libc. */ |
| | 725 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 726 | # define mbslen rpl_mbslen |
| | 727 | # endif |
| | 728 | _GL_FUNCDECL_RPL (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1))); |
| | 729 | _GL_CXXALIAS_RPL (mbslen, size_t, (const char *string)); |
| | 730 | # else |
| | 731 | _GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1))); |
| | 732 | _GL_CXXALIAS_SYS (mbslen, size_t, (const char *string)); |
| | 733 | # endif |
| | 734 | _GL_CXXALIASWARN (mbslen); |
| | 735 | #endif |
| | 736 | |
| | 737 | #if @GNULIB_MBSNLEN@ |
| | 738 | /* Return the number of multibyte characters in the character string starting |
| | 739 | at STRING and ending at STRING + LEN. */ |
| | 740 | _GL_EXTERN_C size_t mbsnlen (const char *string, size_t len) |
| | 741 | _GL_ARG_NONNULL ((1)); |
| | 742 | #endif |
| | 743 | |
| | 744 | #if @GNULIB_MBSCHR@ |
| | 745 | /* Locate the first single-byte character C in the character string STRING, |
| | 746 | and return a pointer to it. Return NULL if C is not found in STRING. |
| | 747 | Unlike strchr(), this function works correctly in multibyte locales with |
| | 748 | encodings such as GB18030. */ |
| | 749 | # if defined __hpux |
| | 750 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 751 | # define mbschr rpl_mbschr /* avoid collision with HP-UX function */ |
| | 752 | # endif |
| | 753 | _GL_FUNCDECL_RPL (mbschr, char *, (const char *string, int c) |
| | 754 | _GL_ARG_NONNULL ((1))); |
| | 755 | _GL_CXXALIAS_RPL (mbschr, char *, (const char *string, int c)); |
| | 756 | # else |
| | 757 | _GL_FUNCDECL_SYS (mbschr, char *, (const char *string, int c) |
| | 758 | _GL_ARG_NONNULL ((1))); |
| | 759 | _GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c)); |
| | 760 | # endif |
| | 761 | _GL_CXXALIASWARN (mbschr); |
| | 762 | #endif |
| | 763 | |
| | 764 | #if @GNULIB_MBSRCHR@ |
| | 765 | /* Locate the last single-byte character C in the character string STRING, |
| | 766 | and return a pointer to it. Return NULL if C is not found in STRING. |
| | 767 | Unlike strrchr(), this function works correctly in multibyte locales with |
| | 768 | encodings such as GB18030. */ |
| | 769 | # if defined __hpux || defined __INTERIX |
| | 770 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 771 | # define mbsrchr rpl_mbsrchr /* avoid collision with system function */ |
| | 772 | # endif |
| | 773 | _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c) |
| | 774 | _GL_ARG_NONNULL ((1))); |
| | 775 | _GL_CXXALIAS_RPL (mbsrchr, char *, (const char *string, int c)); |
| | 776 | # else |
| | 777 | _GL_FUNCDECL_SYS (mbsrchr, char *, (const char *string, int c) |
| | 778 | _GL_ARG_NONNULL ((1))); |
| | 779 | _GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c)); |
| | 780 | # endif |
| | 781 | _GL_CXXALIASWARN (mbsrchr); |
| | 782 | #endif |
| | 783 | |
| | 784 | #if @GNULIB_MBSSTR@ |
| | 785 | /* Find the first occurrence of the character string NEEDLE in the character |
| | 786 | string HAYSTACK. Return NULL if NEEDLE is not found in HAYSTACK. |
| | 787 | Unlike strstr(), this function works correctly in multibyte locales with |
| | 788 | encodings different from UTF-8. */ |
| | 789 | _GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle) |
| | 790 | _GL_ARG_NONNULL ((1, 2)); |
| | 791 | #endif |
| | 792 | |
| | 793 | #if @GNULIB_MBSCASECMP@ |
| | 794 | /* Compare the character strings S1 and S2, ignoring case, returning less than, |
| | 795 | equal to or greater than zero if S1 is lexicographically less than, equal to |
| | 796 | or greater than S2. |
| | 797 | Note: This function may, in multibyte locales, return 0 for strings of |
| | 798 | different lengths! |
| | 799 | Unlike strcasecmp(), this function works correctly in multibyte locales. */ |
| | 800 | _GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2) |
| | 801 | _GL_ARG_NONNULL ((1, 2)); |
| | 802 | #endif |
| | 803 | |
| | 804 | #if @GNULIB_MBSNCASECMP@ |
| | 805 | /* Compare the initial segment of the character string S1 consisting of at most |
| | 806 | N characters with the initial segment of the character string S2 consisting |
| | 807 | of at most N characters, ignoring case, returning less than, equal to or |
| | 808 | greater than zero if the initial segment of S1 is lexicographically less |
| | 809 | than, equal to or greater than the initial segment of S2. |
| | 810 | Note: This function may, in multibyte locales, return 0 for initial segments |
| | 811 | of different lengths! |
| | 812 | Unlike strncasecmp(), this function works correctly in multibyte locales. |
| | 813 | But beware that N is not a byte count but a character count! */ |
| | 814 | _GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n) |
| | 815 | _GL_ARG_NONNULL ((1, 2)); |
| | 816 | #endif |
| | 817 | |
| | 818 | #if @GNULIB_MBSPCASECMP@ |
| | 819 | /* Compare the initial segment of the character string STRING consisting of |
| | 820 | at most mbslen (PREFIX) characters with the character string PREFIX, |
| | 821 | ignoring case. If the two match, return a pointer to the first byte |
| | 822 | after this prefix in STRING. Otherwise, return NULL. |
| | 823 | Note: This function may, in multibyte locales, return non-NULL if STRING |
| | 824 | is of smaller length than PREFIX! |
| | 825 | Unlike strncasecmp(), this function works correctly in multibyte |
| | 826 | locales. */ |
| | 827 | _GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix) |
| | 828 | _GL_ARG_NONNULL ((1, 2)); |
| | 829 | #endif |
| | 830 | |
| | 831 | #if @GNULIB_MBSCASESTR@ |
| | 832 | /* Find the first occurrence of the character string NEEDLE in the character |
| | 833 | string HAYSTACK, using case-insensitive comparison. |
| | 834 | Note: This function may, in multibyte locales, return success even if |
| | 835 | strlen (haystack) < strlen (needle) ! |
| | 836 | Unlike strcasestr(), this function works correctly in multibyte locales. */ |
| | 837 | _GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle) |
| | 838 | _GL_ARG_NONNULL ((1, 2)); |
| | 839 | #endif |
| | 840 | |
| | 841 | #if @GNULIB_MBSCSPN@ |
| | 842 | /* Find the first occurrence in the character string STRING of any character |
| | 843 | in the character string ACCEPT. Return the number of bytes from the |
| | 844 | beginning of the string to this occurrence, or to the end of the string |
| | 845 | if none exists. |
| | 846 | Unlike strcspn(), this function works correctly in multibyte locales. */ |
| | 847 | _GL_EXTERN_C size_t mbscspn (const char *string, const char *accept) |
| | 848 | _GL_ARG_NONNULL ((1, 2)); |
| | 849 | #endif |
| | 850 | |
| | 851 | #if @GNULIB_MBSPBRK@ |
| | 852 | /* Find the first occurrence in the character string STRING of any character |
| | 853 | in the character string ACCEPT. Return the pointer to it, or NULL if none |
| | 854 | exists. |
| | 855 | Unlike strpbrk(), this function works correctly in multibyte locales. */ |
| | 856 | # if defined __hpux |
| | 857 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 858 | # define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */ |
| | 859 | # endif |
| | 860 | _GL_FUNCDECL_RPL (mbspbrk, char *, (const char *string, const char *accept) |
| | 861 | _GL_ARG_NONNULL ((1, 2))); |
| | 862 | _GL_CXXALIAS_RPL (mbspbrk, char *, (const char *string, const char *accept)); |
| | 863 | # else |
| | 864 | _GL_FUNCDECL_SYS (mbspbrk, char *, (const char *string, const char *accept) |
| | 865 | _GL_ARG_NONNULL ((1, 2))); |
| | 866 | _GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept)); |
| | 867 | # endif |
| | 868 | _GL_CXXALIASWARN (mbspbrk); |
| | 869 | #endif |
| | 870 | |
| | 871 | #if @GNULIB_MBSSPN@ |
| | 872 | /* Find the first occurrence in the character string STRING of any character |
| | 873 | not in the character string REJECT. Return the number of bytes from the |
| | 874 | beginning of the string to this occurrence, or to the end of the string |
| | 875 | if none exists. |
| | 876 | Unlike strspn(), this function works correctly in multibyte locales. */ |
| | 877 | _GL_EXTERN_C size_t mbsspn (const char *string, const char *reject) |
| | 878 | _GL_ARG_NONNULL ((1, 2)); |
| | 879 | #endif |
| | 880 | |
| | 881 | #if @GNULIB_MBSSEP@ |
| | 882 | /* Search the next delimiter (multibyte character listed in the character |
| | 883 | string DELIM) starting at the character string *STRINGP. |
| | 884 | If one is found, overwrite it with a NUL, and advance *STRINGP to point |
| | 885 | to the next multibyte character after it. Otherwise, set *STRINGP to NULL. |
| | 886 | If *STRINGP was already NULL, nothing happens. |
| | 887 | Return the old value of *STRINGP. |
| | 888 | |
| | 889 | This is a variant of mbstok_r() that supports empty fields. |
| | 890 | |
| | 891 | Caveat: It modifies the original string. |
| | 892 | Caveat: These functions cannot be used on constant strings. |
| | 893 | Caveat: The identity of the delimiting character is lost. |
| | 894 | |
| | 895 | See also mbstok_r(). */ |
| | 896 | _GL_EXTERN_C char * mbssep (char **stringp, const char *delim) |
| | 897 | _GL_ARG_NONNULL ((1, 2)); |
| | 898 | #endif |
| | 899 | |
| | 900 | #if @GNULIB_MBSTOK_R@ |
| | 901 | /* Parse the character string STRING into tokens separated by characters in |
| | 902 | the character string DELIM. |
| | 903 | If STRING is NULL, the saved pointer in SAVE_PTR is used as |
| | 904 | the next starting point. For example: |
| | 905 | char s[] = "-abc-=-def"; |
| | 906 | char *sp; |
| | 907 | x = mbstok_r(s, "-", &sp); // x = "abc", sp = "=-def" |
| | 908 | x = mbstok_r(NULL, "-=", &sp); // x = "def", sp = NULL |
| | 909 | x = mbstok_r(NULL, "=", &sp); // x = NULL |
| | 910 | // s = "abc\0-def\0" |
| | 911 | |
| | 912 | Caveat: It modifies the original string. |
| | 913 | Caveat: These functions cannot be used on constant strings. |
| | 914 | Caveat: The identity of the delimiting character is lost. |
| | 915 | |
| | 916 | See also mbssep(). */ |
| | 917 | _GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr) |
| | 918 | _GL_ARG_NONNULL ((2, 3)); |
| | 919 | #endif |
| | 920 | |
| | 921 | /* Map any int, typically from errno, into an error message. */ |
| | 922 | #if @GNULIB_STRERROR@ |
| | 923 | # if @REPLACE_STRERROR@ |
| | 924 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 925 | # undef strerror |
| | 926 | # define strerror rpl_strerror |
| | 927 | # endif |
| | 928 | _GL_FUNCDECL_RPL (strerror, char *, (int)); |
| | 929 | _GL_CXXALIAS_RPL (strerror, char *, (int)); |
| | 930 | # else |
| | 931 | _GL_CXXALIAS_SYS (strerror, char *, (int)); |
| | 932 | # endif |
| | 933 | _GL_CXXALIASWARN (strerror); |
| | 934 | #elif defined GNULIB_POSIXCHECK |
| | 935 | # undef strerror |
| | 936 | /* Assume strerror is always declared. */ |
| | 937 | _GL_WARN_ON_USE (strerror, "strerror is unportable - " |
| | 938 | "use gnulib module strerror to guarantee non-NULL result"); |
| | 939 | #endif |
| | 940 | |
| | 941 | /* Map any int, typically from errno, into an error message. Multithread-safe. |
| | 942 | Uses the POSIX declaration, not the glibc declaration. */ |
| | 943 | #if @GNULIB_STRERROR_R@ |
| | 944 | # if @REPLACE_STRERROR_R@ |
| | 945 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 946 | # undef strerror_r |
| | 947 | # define strerror_r rpl_strerror_r |
| | 948 | # endif |
| | 949 | _GL_FUNCDECL_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen) |
| | 950 | _GL_ARG_NONNULL ((2))); |
| | 951 | _GL_CXXALIAS_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen)); |
| | 952 | # else |
| | 953 | # if !@HAVE_DECL_STRERROR_R@ |
| | 954 | _GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen) |
| | 955 | _GL_ARG_NONNULL ((2))); |
| | 956 | # endif |
| | 957 | _GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)); |
| | 958 | # endif |
| | 959 | # if @HAVE_DECL_STRERROR_R@ |
| | 960 | _GL_CXXALIASWARN (strerror_r); |
| | 961 | # endif |
| | 962 | #elif defined GNULIB_POSIXCHECK |
| | 963 | # undef strerror_r |
| | 964 | # if HAVE_RAW_DECL_STRERROR_R |
| | 965 | _GL_WARN_ON_USE (strerror_r, "strerror_r is unportable - " |
| | 966 | "use gnulib module strerror_r-posix for portability"); |
| | 967 | # endif |
| | 968 | #endif |
| | 969 | |
| | 970 | #if @GNULIB_STRSIGNAL@ |
| | 971 | # if @REPLACE_STRSIGNAL@ |
| | 972 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| | 973 | # define strsignal rpl_strsignal |
| | 974 | # endif |
| | 975 | _GL_FUNCDECL_RPL (strsignal, char *, (int __sig)); |
| | 976 | _GL_CXXALIAS_RPL (strsignal, char *, (int __sig)); |
| | 977 | # else |
| | 978 | # if ! @HAVE_DECL_STRSIGNAL@ |
| | 979 | _GL_FUNCDECL_SYS (strsignal, char *, (int __sig)); |
| | 980 | # endif |
| | 981 | /* Need to cast, because on Cygwin 1.5.x systems, the return type is |
| | 982 | 'const char *'. */ |
| | 983 | _GL_CXXALIAS_SYS_CAST (strsignal, char *, (int __sig)); |
| | 984 | # endif |
| | 985 | _GL_CXXALIASWARN (strsignal); |
| | 986 | #elif defined GNULIB_POSIXCHECK |
| | 987 | # undef strsignal |
| | 988 | # if HAVE_RAW_DECL_STRSIGNAL |
| | 989 | _GL_WARN_ON_USE (strsignal, "strsignal is unportable - " |
| | 990 | "use gnulib module strsignal for portability"); |
| | 991 | # endif |
| | 992 | #endif |
| | 993 | |
| | 994 | #if @GNULIB_STRVERSCMP@ |
| | 995 | # if !@HAVE_STRVERSCMP@ |
| | 996 | _GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *) |
| | 997 | _GL_ARG_NONNULL ((1, 2))); |
| | 998 | # endif |
| | 999 | _GL_CXXALIAS_SYS (strverscmp, int, (const char *, const char *)); |
| | 1000 | _GL_CXXALIASWARN (strverscmp); |
| | 1001 | #elif defined GNULIB_POSIXCHECK |
| | 1002 | # undef strverscmp |
| | 1003 | # if HAVE_RAW_DECL_STRVERSCMP |
| | 1004 | _GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - " |
| | 1005 | "use gnulib module strverscmp for portability"); |
| | 1006 | # endif |
| | 1007 | #endif |
| | 1008 | |
| | 1009 | |
| | 1010 | #endif /* _@GUARD_PREFIX@_STRING_H */ |
| | 1011 | #endif /* _@GUARD_PREFIX@_STRING_H */ |
HCoop / bpt / guile.git / blame_incremental