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f6ea5628 DJ |
1 | /* A GNU-like <string.h>. |
2 | ||
770d76d7 | 3 | Copyright (C) 1995-1996, 2001-2012 Free Software Foundation, Inc. |
f6ea5628 DJ |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
4c38e0a4 | 7 | the Free Software Foundation; either version 3, or (at your option) |
f6ea5628 DJ |
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 General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
770d76d7 | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
f6ea5628 | 17 | |
770d76d7 | 18 | #ifndef _@GUARD_PREFIX@_STRING_H |
f6ea5628 | 19 | |
f434ba03 PA |
20 | #if __GNUC__ >= 3 |
21 | @PRAGMA_SYSTEM_HEADER@ | |
22 | #endif | |
770d76d7 | 23 | @PRAGMA_COLUMNS@ |
f434ba03 | 24 | |
f6ea5628 DJ |
25 | /* The include_next requires a split double-inclusion guard. */ |
26 | #@INCLUDE_NEXT@ @NEXT_STRING_H@ | |
27 | ||
770d76d7 PA |
28 | #ifndef _@GUARD_PREFIX@_STRING_H |
29 | #define _@GUARD_PREFIX@_STRING_H | |
f6ea5628 | 30 | |
f434ba03 PA |
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 | |
f6ea5628 | 38 | |
770d76d7 PA |
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 */ | |
f6ea5628 DJ |
45 | #endif |
46 | ||
770d76d7 PA |
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 | |
f6ea5628 | 53 | |
f434ba03 PA |
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 | ||
770d76d7 PA |
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 | ||
f434ba03 PA |
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) | |
770d76d7 | 98 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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) | |
770d76d7 | 104 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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 | |
770d76d7 | 114 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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" ); | |
f6ea5628 DJ |
127 | #endif |
128 | ||
f6ea5628 DJ |
129 | /* Return the first occurrence of NEEDLE in HAYSTACK. */ |
130 | #if @GNULIB_MEMMEM@ | |
131 | # if @REPLACE_MEMMEM@ | |
f434ba03 PA |
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) | |
770d76d7 PA |
138 | _GL_ATTRIBUTE_PURE |
139 | _GL_ARG_NONNULL ((1, 3))); | |
f434ba03 PA |
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) | |
770d76d7 PA |
148 | _GL_ATTRIBUTE_PURE |
149 | _GL_ARG_NONNULL ((1, 3))); | |
f434ba03 PA |
150 | # endif |
151 | _GL_CXXALIAS_SYS (memmem, void *, | |
152 | (void const *__haystack, size_t __haystack_len, | |
153 | void const *__needle, size_t __needle_len)); | |
f6ea5628 | 154 | # endif |
f434ba03 | 155 | _GL_CXXALIASWARN (memmem); |
f6ea5628 DJ |
156 | #elif defined GNULIB_POSIXCHECK |
157 | # undef memmem | |
f434ba03 PA |
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 | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
169 | _GL_FUNCDECL_SYS (mempcpy, void *, |
170 | (void *restrict __dest, void const *restrict __src, | |
171 | size_t __n) | |
172 | _GL_ARG_NONNULL ((1, 2))); | |
f6ea5628 | 173 | # endif |
f434ba03 PA |
174 | _GL_CXXALIAS_SYS (mempcpy, void *, |
175 | (void *restrict __dest, void const *restrict __src, | |
176 | size_t __n)); | |
177 | _GL_CXXALIASWARN (mempcpy); | |
f6ea5628 DJ |
178 | #elif defined GNULIB_POSIXCHECK |
179 | # undef mempcpy | |
f434ba03 PA |
180 | # if HAVE_RAW_DECL_MEMPCPY |
181 | _GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - " | |
182 | "use gnulib module mempcpy for portability"); | |
183 | # endif | |
f6ea5628 DJ |
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@ | |
f434ba03 | 189 | _GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t) |
770d76d7 | 190 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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)); | |
770d76d7 | 199 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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); | |
f6ea5628 DJ |
205 | # endif |
206 | #elif defined GNULIB_POSIXCHECK | |
207 | # undef memrchr | |
f434ba03 PA |
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) | |
770d76d7 | 220 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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)); | |
770d76d7 | 229 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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 | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
247 | _GL_FUNCDECL_SYS (stpcpy, char *, |
248 | (char *restrict __dst, char const *restrict __src) | |
249 | _GL_ARG_NONNULL ((1, 2))); | |
f6ea5628 | 250 | # endif |
f434ba03 PA |
251 | _GL_CXXALIAS_SYS (stpcpy, char *, |
252 | (char *restrict __dst, char const *restrict __src)); | |
253 | _GL_CXXALIASWARN (stpcpy); | |
f6ea5628 DJ |
254 | #elif defined GNULIB_POSIXCHECK |
255 | # undef stpcpy | |
f434ba03 PA |
256 | # if HAVE_RAW_DECL_STPCPY |
257 | _GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - " | |
258 | "use gnulib module stpcpy for portability"); | |
259 | # endif | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
265 | # if @REPLACE_STPNCPY@ |
266 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
770d76d7 | 267 | # undef stpncpy |
f434ba03 PA |
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)); | |
f6ea5628 | 287 | # endif |
f434ba03 | 288 | _GL_CXXALIASWARN (stpncpy); |
f6ea5628 DJ |
289 | #elif defined GNULIB_POSIXCHECK |
290 | # undef stpncpy | |
f434ba03 PA |
291 | # if HAVE_RAW_DECL_STPNCPY |
292 | _GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - " | |
293 | "use gnulib module stpncpy for portability"); | |
294 | # endif | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
305 | #endif |
306 | ||
307 | /* Find the first occurrence of C in S or the final NUL byte. */ | |
308 | #if @GNULIB_STRCHRNUL@ | |
770d76d7 PA |
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@ | |
f434ba03 | 320 | _GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in) |
770d76d7 | 321 | _GL_ATTRIBUTE_PURE |
f434ba03 | 322 | _GL_ARG_NONNULL ((1))); |
770d76d7 | 323 | # endif |
f434ba03 PA |
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)); | |
770d76d7 PA |
330 | # endif |
331 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ | |
f434ba03 PA |
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); | |
f6ea5628 DJ |
337 | # endif |
338 | #elif defined GNULIB_POSIXCHECK | |
339 | # undef strchrnul | |
f434ba03 PA |
340 | # if HAVE_RAW_DECL_STRCHRNUL |
341 | _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " | |
342 | "use gnulib module strchrnul for portability"); | |
343 | # endif | |
f6ea5628 DJ |
344 | #endif |
345 | ||
346 | /* Duplicate S, returning an identical malloc'd string. */ | |
347 | #if @GNULIB_STRDUP@ | |
f434ba03 PA |
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 | |
770d76d7 PA |
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 | |
f434ba03 PA |
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)); | |
f6ea5628 | 364 | # endif |
f434ba03 | 365 | _GL_CXXALIASWARN (strdup); |
f6ea5628 DJ |
366 | #elif defined GNULIB_POSIXCHECK |
367 | # undef strdup | |
f434ba03 PA |
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 | |
f6ea5628 DJ |
394 | #endif |
395 | ||
396 | /* Return a newly allocated copy of at most N bytes of STRING. */ | |
397 | #if @GNULIB_STRNDUP@ | |
f434ba03 PA |
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)); | |
f6ea5628 | 412 | # endif |
f434ba03 | 413 | _GL_CXXALIASWARN (strndup); |
f6ea5628 DJ |
414 | #elif defined GNULIB_POSIXCHECK |
415 | # undef strndup | |
f434ba03 PA |
416 | # if HAVE_RAW_DECL_STRNDUP |
417 | _GL_WARN_ON_USE (strndup, "strndup is unportable - " | |
418 | "use gnulib module strndup for portability"); | |
419 | # endif | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
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) | |
770d76d7 | 432 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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) | |
770d76d7 | 438 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
439 | _GL_ARG_NONNULL ((1))); |
440 | # endif | |
441 | _GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)); | |
f6ea5628 | 442 | # endif |
f434ba03 | 443 | _GL_CXXALIASWARN (strnlen); |
f6ea5628 DJ |
444 | #elif defined GNULIB_POSIXCHECK |
445 | # undef strnlen | |
f434ba03 PA |
446 | # if HAVE_RAW_DECL_STRNLEN |
447 | _GL_WARN_ON_USE (strnlen, "strnlen is unportable - " | |
448 | "use gnulib module strnlen for portability"); | |
449 | # endif | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
462 | #endif |
463 | ||
464 | /* Find the first occurrence in S of any character in ACCEPT. */ | |
465 | #if @GNULIB_STRPBRK@ | |
466 | # if ! @HAVE_STRPBRK@ | |
f434ba03 | 467 | _GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept) |
770d76d7 | 468 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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)); | |
770d76d7 | 477 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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); | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
494 | # endif |
495 | #elif defined GNULIB_POSIXCHECK | |
496 | # undef strpbrk | |
f434ba03 PA |
497 | # if HAVE_RAW_DECL_STRPBRK |
498 | _GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - " | |
499 | "use gnulib module strpbrk for portability"); | |
500 | # endif | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
541 | _GL_FUNCDECL_SYS (strsep, char *, |
542 | (char **restrict __stringp, char const *restrict __delim) | |
543 | _GL_ARG_NONNULL ((1, 2))); | |
f6ea5628 | 544 | # endif |
f434ba03 PA |
545 | _GL_CXXALIAS_SYS (strsep, char *, |
546 | (char **restrict __stringp, char const *restrict __delim)); | |
547 | _GL_CXXALIASWARN (strsep); | |
f6ea5628 DJ |
548 | # if defined GNULIB_POSIXCHECK |
549 | # undef strsep | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
553 | # endif |
554 | #elif defined GNULIB_POSIXCHECK | |
555 | # undef strsep | |
f434ba03 PA |
556 | # if HAVE_RAW_DECL_STRSEP |
557 | _GL_WARN_ON_USE (strsep, "strsep is unportable - " | |
558 | "use gnulib module strsep for portability"); | |
559 | # endif | |
f6ea5628 DJ |
560 | #endif |
561 | ||
562 | #if @GNULIB_STRSTR@ | |
563 | # if @REPLACE_STRSTR@ | |
f434ba03 PA |
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) | |
770d76d7 | 568 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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 | |
770d76d7 | 579 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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); | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
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) | |
770d76d7 PA |
610 | _GL_ATTRIBUTE_PURE |
611 | _GL_ARG_NONNULL ((1, 2))); | |
f434ba03 PA |
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) | |
770d76d7 PA |
618 | _GL_ATTRIBUTE_PURE |
619 | _GL_ARG_NONNULL ((1, 2))); | |
f434ba03 PA |
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)); | |
f6ea5628 | 627 | # endif |
770d76d7 | 628 | # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ |
f434ba03 PA |
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); | |
f6ea5628 DJ |
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 | |
f434ba03 PA |
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 | |
f6ea5628 DJ |
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: | |
f434ba03 PA |
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" | |
f6ea5628 DJ |
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@ | |
f434ba03 PA |
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)); | |
f6ea5628 | 698 | # endif |
f434ba03 | 699 | _GL_CXXALIASWARN (strtok_r); |
f6ea5628 | 700 | # if defined GNULIB_POSIXCHECK |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
704 | # endif |
705 | #elif defined GNULIB_POSIXCHECK | |
706 | # undef strtok_r | |
f434ba03 PA |
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 | |
f6ea5628 DJ |
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. */ | |
f434ba03 PA |
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 | |
770d76d7 PA |
727 | _GL_FUNCDECL_RPL (mbslen, size_t, (const char *string) |
728 | _GL_ATTRIBUTE_PURE | |
729 | _GL_ARG_NONNULL ((1))); | |
f434ba03 PA |
730 | _GL_CXXALIAS_RPL (mbslen, size_t, (const char *string)); |
731 | # else | |
770d76d7 PA |
732 | _GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) |
733 | _GL_ATTRIBUTE_PURE | |
734 | _GL_ARG_NONNULL ((1))); | |
f434ba03 PA |
735 | _GL_CXXALIAS_SYS (mbslen, size_t, (const char *string)); |
736 | # endif | |
737 | _GL_CXXALIASWARN (mbslen); | |
f6ea5628 DJ |
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. */ | |
f434ba03 | 743 | _GL_EXTERN_C size_t mbsnlen (const char *string, size_t len) |
770d76d7 | 744 | _GL_ATTRIBUTE_PURE |
f434ba03 | 745 | _GL_ARG_NONNULL ((1)); |
f6ea5628 DJ |
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. */ | |
f434ba03 PA |
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) | |
770d76d7 | 758 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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) | |
770d76d7 | 763 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
764 | _GL_ARG_NONNULL ((1))); |
765 | _GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c)); | |
766 | # endif | |
767 | _GL_CXXALIASWARN (mbschr); | |
f6ea5628 DJ |
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. */ | |
770d76d7 | 775 | # if defined __hpux || defined __INTERIX |
f434ba03 | 776 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
770d76d7 | 777 | # define mbsrchr rpl_mbsrchr /* avoid collision with system function */ |
f434ba03 PA |
778 | # endif |
779 | _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c) | |
770d76d7 | 780 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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) | |
770d76d7 | 785 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
786 | _GL_ARG_NONNULL ((1))); |
787 | _GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c)); | |
788 | # endif | |
789 | _GL_CXXALIASWARN (mbsrchr); | |
f6ea5628 DJ |
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. */ | |
f434ba03 | 797 | _GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle) |
770d76d7 | 798 | _GL_ATTRIBUTE_PURE |
f434ba03 | 799 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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. */ | |
f434ba03 | 809 | _GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2) |
770d76d7 | 810 | _GL_ATTRIBUTE_PURE |
f434ba03 | 811 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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! */ | |
f434ba03 | 824 | _GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n) |
770d76d7 | 825 | _GL_ATTRIBUTE_PURE |
f434ba03 | 826 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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, | |
770d76d7 PA |
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! | |
f6ea5628 DJ |
836 | Unlike strncasecmp(), this function works correctly in multibyte |
837 | locales. */ | |
f434ba03 | 838 | _GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix) |
770d76d7 | 839 | _GL_ATTRIBUTE_PURE |
f434ba03 | 840 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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. */ | |
f434ba03 | 849 | _GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle) |
770d76d7 | 850 | _GL_ATTRIBUTE_PURE |
f434ba03 | 851 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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. */ | |
f434ba03 | 860 | _GL_EXTERN_C size_t mbscspn (const char *string, const char *accept) |
770d76d7 | 861 | _GL_ATTRIBUTE_PURE |
f434ba03 | 862 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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. */ | |
f434ba03 PA |
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) | |
770d76d7 | 875 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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) | |
770d76d7 | 880 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
881 | _GL_ARG_NONNULL ((1, 2))); |
882 | _GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept)); | |
883 | # endif | |
884 | _GL_CXXALIASWARN (mbspbrk); | |
f6ea5628 DJ |
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. */ | |
f434ba03 | 893 | _GL_EXTERN_C size_t mbsspn (const char *string, const char *reject) |
770d76d7 | 894 | _GL_ATTRIBUTE_PURE |
f434ba03 | 895 | _GL_ARG_NONNULL ((1, 2)); |
f6ea5628 DJ |
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(). */ | |
f434ba03 PA |
913 | _GL_EXTERN_C char * mbssep (char **stringp, const char *delim) |
914 | _GL_ARG_NONNULL ((1, 2)); | |
f6ea5628 DJ |
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: | |
f434ba03 PA |
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" | |
f6ea5628 DJ |
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(). */ | |
f434ba03 PA |
934 | _GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr) |
935 | _GL_ARG_NONNULL ((2, 3)); | |
f6ea5628 DJ |
936 | #endif |
937 | ||
938 | /* Map any int, typically from errno, into an error message. */ | |
939 | #if @GNULIB_STRERROR@ | |
940 | # if @REPLACE_STRERROR@ | |
f434ba03 PA |
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)); | |
f6ea5628 | 949 | # endif |
f434ba03 | 950 | _GL_CXXALIASWARN (strerror); |
f6ea5628 DJ |
951 | #elif defined GNULIB_POSIXCHECK |
952 | # undef strerror | |
f434ba03 PA |
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"); | |
f6ea5628 DJ |
956 | #endif |
957 | ||
770d76d7 PA |
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 | ||
f6ea5628 DJ |
987 | #if @GNULIB_STRSIGNAL@ |
988 | # if @REPLACE_STRSIGNAL@ | |
f434ba03 PA |
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)); | |
f6ea5628 | 1001 | # endif |
f434ba03 | 1002 | _GL_CXXALIASWARN (strsignal); |
f6ea5628 DJ |
1003 | #elif defined GNULIB_POSIXCHECK |
1004 | # undef strsignal | |
f434ba03 PA |
1005 | # if HAVE_RAW_DECL_STRSIGNAL |
1006 | _GL_WARN_ON_USE (strsignal, "strsignal is unportable - " | |
1007 | "use gnulib module strsignal for portability"); | |
1008 | # endif | |
f6ea5628 DJ |
1009 | #endif |
1010 | ||
f434ba03 PA |
1011 | #if @GNULIB_STRVERSCMP@ |
1012 | # if !@HAVE_STRVERSCMP@ | |
1013 | _GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *) | |
770d76d7 | 1014 | _GL_ATTRIBUTE_PURE |
f434ba03 PA |
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 | |
f6ea5628 DJ |
1025 | #endif |
1026 | ||
f434ba03 | 1027 | |
770d76d7 PA |
1028 | #endif /* _@GUARD_PREFIX@_STRING_H */ |
1029 | #endif /* _@GUARD_PREFIX@_STRING_H */ |