dhcpd-pools  3.0
ISC dhcpd lease usage analyser
string.in.h
Go to the documentation of this file.
1 /* A GNU-like <string.h>.
2 
3  Copyright (C) 1995-1996, 2001-2017 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 General Public License as published by
7  the Free Software Foundation; either version 3, 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 General Public License for more details.
14 
15  You should have received a copy of the GNU General Public License
16  along with this program; if not, see <https://www.gnu.org/licenses/>. */
17 
18 #if __GNUC__ >= 3
19 @PRAGMA_SYSTEM_HEADER@
20 #endif
21 @PRAGMA_COLUMNS@
22 
23 #if defined _GL_ALREADY_INCLUDING_STRING_H
24 /* Special invocation convention:
25  - On OS X/NetBSD we have a sequence of nested includes
26  <string.h> -> <strings.h> -> "string.h"
27  In this situation system _chk variants due to -D_FORTIFY_SOURCE
28  might be used after any replacements defined here. */
29 
30 #@INCLUDE_NEXT@ @NEXT_STRING_H@
31 
32 #else
33 /* Normal invocation convention. */
34 
35 #ifndef _@GUARD_PREFIX@_STRING_H
36 
37 #define _GL_ALREADY_INCLUDING_STRING_H
38 
39 /* The include_next requires a split double-inclusion guard. */
40 #@INCLUDE_NEXT@ @NEXT_STRING_H@
41 
42 #undef _GL_ALREADY_INCLUDING_STRING_H
43 
44 #ifndef _@GUARD_PREFIX@_STRING_H
45 #define _@GUARD_PREFIX@_STRING_H
46 
47 /* NetBSD 5.0 mis-defines NULL. */
48 #include <stddef.h>
49 
50 /* MirBSD defines mbslen as a macro. */
51 #if @GNULIB_MBSLEN@ && defined __MirBSD__
52 # include <wchar.h>
53 #endif
54 
55 /* The __attribute__ feature is available in gcc versions 2.5 and later.
56  The attribute __pure__ was added in gcc 2.96. */
57 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
58 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
59 #else
60 # define _GL_ATTRIBUTE_PURE /* empty */
61 #endif
62 
63 /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */
64 /* But in any case avoid namespace pollution on glibc systems. */
65 #if (@GNULIB_STRSIGNAL@ || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \
66  && ! defined __GLIBC__
67 # include <unistd.h>
68 #endif
69 
70 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
71 
72 /* The definition of _GL_ARG_NONNULL is copied here. */
73 
74 /* The definition of _GL_WARN_ON_USE is copied here. */
75 
76 
77 /* Clear a block of memory. The compiler will not delete a call to
78  this function, even if the block is dead after the call. */
79 #if @GNULIB_EXPLICIT_BZERO@
80 # if ! @HAVE_EXPLICIT_BZERO@
81 _GL_FUNCDECL_SYS (explicit_bzero, void,
82  (void *__dest, size_t __n) _GL_ARG_NONNULL ((1)));
83 # endif
84 _GL_CXXALIAS_SYS (explicit_bzero, void, (void *__dest, size_t __n));
85 _GL_CXXALIASWARN (explicit_bzero);
86 #elif defined GNULIB_POSIXCHECK
87 # undef explicit_bzero
88 # if HAVE_RAW_DECL_EXPLICIT_BZERO
89 _GL_WARN_ON_USE (explicit_bzero, "explicit_bzero is unportable - "
90  "use gnulib module explicit_bzero for portability");
91 # endif
92 #endif
93 
94 /* Find the index of the least-significant set bit. */
95 #if @GNULIB_FFSL@
96 # if !@HAVE_FFSL@
97 _GL_FUNCDECL_SYS (ffsl, int, (long int i));
98 # endif
99 _GL_CXXALIAS_SYS (ffsl, int, (long int i));
100 _GL_CXXALIASWARN (ffsl);
101 #elif defined GNULIB_POSIXCHECK
102 # undef ffsl
103 # if HAVE_RAW_DECL_FFSL
104 _GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module");
105 # endif
106 #endif
107 
108 
109 /* Find the index of the least-significant set bit. */
110 #if @GNULIB_FFSLL@
111 # if !@HAVE_FFSLL@
112 _GL_FUNCDECL_SYS (ffsll, int, (long long int i));
113 # endif
114 _GL_CXXALIAS_SYS (ffsll, int, (long long int i));
115 _GL_CXXALIASWARN (ffsll);
116 #elif defined GNULIB_POSIXCHECK
117 # undef ffsll
118 # if HAVE_RAW_DECL_FFSLL
119 _GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module");
120 # endif
121 #endif
122 
123 
124 /* Return the first instance of C within N bytes of S, or NULL. */
125 #if @GNULIB_MEMCHR@
126 # if @REPLACE_MEMCHR@
127 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
128 # define memchr rpl_memchr
129 # endif
130 _GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n)
132  _GL_ARG_NONNULL ((1)));
133 _GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n));
134 # else
135 # if ! @HAVE_MEMCHR@
136 _GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n)
138  _GL_ARG_NONNULL ((1)));
139 # endif
140  /* On some systems, this function is defined as an overloaded function:
141  extern "C" { const void * std::memchr (const void *, int, size_t); }
142  extern "C++" { void * std::memchr (void *, int, size_t); } */
143 _GL_CXXALIAS_SYS_CAST2 (memchr,
144  void *, (void const *__s, int __c, size_t __n),
145  void const *, (void const *__s, int __c, size_t __n));
146 # endif
147 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
148  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
149 _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n));
150 _GL_CXXALIASWARN1 (memchr, void const *,
151  (void const *__s, int __c, size_t __n));
152 # else
153 _GL_CXXALIASWARN (memchr);
154 # endif
155 #elif defined GNULIB_POSIXCHECK
156 # undef memchr
157 /* Assume memchr is always declared. */
158 _GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - "
159  "use gnulib module memchr for portability" );
160 #endif
161 
162 /* Return the first occurrence of NEEDLE in HAYSTACK. */
163 #if @GNULIB_MEMMEM@
164 # if @REPLACE_MEMMEM@
165 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
166 # define memmem rpl_memmem
167 # endif
168 _GL_FUNCDECL_RPL (memmem, void *,
169  (void const *__haystack, size_t __haystack_len,
170  void const *__needle, size_t __needle_len)
172  _GL_ARG_NONNULL ((1, 3)));
173 _GL_CXXALIAS_RPL (memmem, void *,
174  (void const *__haystack, size_t __haystack_len,
175  void const *__needle, size_t __needle_len));
176 # else
177 # if ! @HAVE_DECL_MEMMEM@
178 _GL_FUNCDECL_SYS (memmem, void *,
179  (void const *__haystack, size_t __haystack_len,
180  void const *__needle, size_t __needle_len)
182  _GL_ARG_NONNULL ((1, 3)));
183 # endif
184 _GL_CXXALIAS_SYS (memmem, void *,
185  (void const *__haystack, size_t __haystack_len,
186  void const *__needle, size_t __needle_len));
187 # endif
188 _GL_CXXALIASWARN (memmem);
189 #elif defined GNULIB_POSIXCHECK
190 # undef memmem
191 # if HAVE_RAW_DECL_MEMMEM
192 _GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - "
193  "use gnulib module memmem-simple for portability, "
194  "and module memmem for speed" );
195 # endif
196 #endif
197 
198 /* Copy N bytes of SRC to DEST, return pointer to bytes after the
199  last written byte. */
200 #if @GNULIB_MEMPCPY@
201 # if ! @HAVE_MEMPCPY@
202 _GL_FUNCDECL_SYS (mempcpy, void *,
203  (void *restrict __dest, void const *restrict __src,
204  size_t __n)
205  _GL_ARG_NONNULL ((1, 2)));
206 # endif
207 _GL_CXXALIAS_SYS (mempcpy, void *,
208  (void *restrict __dest, void const *restrict __src,
209  size_t __n));
210 _GL_CXXALIASWARN (mempcpy);
211 #elif defined GNULIB_POSIXCHECK
212 # undef mempcpy
213 # if HAVE_RAW_DECL_MEMPCPY
214 _GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - "
215  "use gnulib module mempcpy for portability");
216 # endif
217 #endif
218 
219 /* Search backwards through a block for a byte (specified as an int). */
220 #if @GNULIB_MEMRCHR@
221 # if ! @HAVE_DECL_MEMRCHR@
222 _GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t)
224  _GL_ARG_NONNULL ((1)));
225 # endif
226  /* On some systems, this function is defined as an overloaded function:
227  extern "C++" { const void * std::memrchr (const void *, int, size_t); }
228  extern "C++" { void * std::memrchr (void *, int, size_t); } */
229 _GL_CXXALIAS_SYS_CAST2 (memrchr,
230  void *, (void const *, int, size_t),
231  void const *, (void const *, int, size_t));
232 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
233  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
234 _GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t));
235 _GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t));
236 # else
237 _GL_CXXALIASWARN (memrchr);
238 # endif
239 #elif defined GNULIB_POSIXCHECK
240 # undef memrchr
241 # if HAVE_RAW_DECL_MEMRCHR
242 _GL_WARN_ON_USE (memrchr, "memrchr is unportable - "
243  "use gnulib module memrchr for portability");
244 # endif
245 #endif
246 
247 /* Find the first occurrence of C in S. More efficient than
248  memchr(S,C,N), at the expense of undefined behavior if C does not
249  occur within N bytes. */
250 #if @GNULIB_RAWMEMCHR@
251 # if ! @HAVE_RAWMEMCHR@
252 _GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in)
254  _GL_ARG_NONNULL ((1)));
255 # endif
256  /* On some systems, this function is defined as an overloaded function:
257  extern "C++" { const void * std::rawmemchr (const void *, int); }
258  extern "C++" { void * std::rawmemchr (void *, int); } */
259 _GL_CXXALIAS_SYS_CAST2 (rawmemchr,
260  void *, (void const *__s, int __c_in),
261  void const *, (void const *__s, int __c_in));
262 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
263  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
264 _GL_CXXALIASWARN1 (rawmemchr, void *, (void *__s, int __c_in));
265 _GL_CXXALIASWARN1 (rawmemchr, void const *, (void const *__s, int __c_in));
266 # else
267 _GL_CXXALIASWARN (rawmemchr);
268 # endif
269 #elif defined GNULIB_POSIXCHECK
270 # undef rawmemchr
271 # if HAVE_RAW_DECL_RAWMEMCHR
272 _GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - "
273  "use gnulib module rawmemchr for portability");
274 # endif
275 #endif
276 
277 /* Copy SRC to DST, returning the address of the terminating '\0' in DST. */
278 #if @GNULIB_STPCPY@
279 # if ! @HAVE_STPCPY@
280 _GL_FUNCDECL_SYS (stpcpy, char *,
281  (char *restrict __dst, char const *restrict __src)
282  _GL_ARG_NONNULL ((1, 2)));
283 # endif
284 _GL_CXXALIAS_SYS (stpcpy, char *,
285  (char *restrict __dst, char const *restrict __src));
286 _GL_CXXALIASWARN (stpcpy);
287 #elif defined GNULIB_POSIXCHECK
288 # undef stpcpy
289 # if HAVE_RAW_DECL_STPCPY
290 _GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - "
291  "use gnulib module stpcpy for portability");
292 # endif
293 #endif
294 
295 /* Copy no more than N bytes of SRC to DST, returning a pointer past the
296  last non-NUL byte written into DST. */
297 #if @GNULIB_STPNCPY@
298 # if @REPLACE_STPNCPY@
299 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
300 # undef stpncpy
301 # define stpncpy rpl_stpncpy
302 # endif
303 _GL_FUNCDECL_RPL (stpncpy, char *,
304  (char *restrict __dst, char const *restrict __src,
305  size_t __n)
306  _GL_ARG_NONNULL ((1, 2)));
307 _GL_CXXALIAS_RPL (stpncpy, char *,
308  (char *restrict __dst, char const *restrict __src,
309  size_t __n));
310 # else
311 # if ! @HAVE_STPNCPY@
312 _GL_FUNCDECL_SYS (stpncpy, char *,
313  (char *restrict __dst, char const *restrict __src,
314  size_t __n)
315  _GL_ARG_NONNULL ((1, 2)));
316 # endif
317 _GL_CXXALIAS_SYS (stpncpy, char *,
318  (char *restrict __dst, char const *restrict __src,
319  size_t __n));
320 # endif
321 _GL_CXXALIASWARN (stpncpy);
322 #elif defined GNULIB_POSIXCHECK
323 # undef stpncpy
324 # if HAVE_RAW_DECL_STPNCPY
325 _GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - "
326  "use gnulib module stpncpy for portability");
327 # endif
328 #endif
329 
330 #if defined GNULIB_POSIXCHECK
331 /* strchr() does not work with multibyte strings if the locale encoding is
332  GB18030 and the character to be searched is a digit. */
333 # undef strchr
334 /* Assume strchr is always declared. */
335 _GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings "
336  "in some multibyte locales - "
337  "use mbschr if you care about internationalization");
338 #endif
339 
340 /* Find the first occurrence of C in S or the final NUL byte. */
341 #if @GNULIB_STRCHRNUL@
342 # if @REPLACE_STRCHRNUL@
343 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
344 # define strchrnul rpl_strchrnul
345 # endif
346 _GL_FUNCDECL_RPL (strchrnul, char *, (const char *__s, int __c_in)
348  _GL_ARG_NONNULL ((1)));
349 _GL_CXXALIAS_RPL (strchrnul, char *,
350  (const char *str, int ch));
351 # else
352 # if ! @HAVE_STRCHRNUL@
353 _GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in)
355  _GL_ARG_NONNULL ((1)));
356 # endif
357  /* On some systems, this function is defined as an overloaded function:
358  extern "C++" { const char * std::strchrnul (const char *, int); }
359  extern "C++" { char * std::strchrnul (char *, int); } */
360 _GL_CXXALIAS_SYS_CAST2 (strchrnul,
361  char *, (char const *__s, int __c_in),
362  char const *, (char const *__s, int __c_in));
363 # endif
364 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
365  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
366 _GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in));
367 _GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in));
368 # else
369 _GL_CXXALIASWARN (strchrnul);
370 # endif
371 #elif defined GNULIB_POSIXCHECK
372 # undef strchrnul
373 # if HAVE_RAW_DECL_STRCHRNUL
374 _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - "
375  "use gnulib module strchrnul for portability");
376 # endif
377 #endif
378 
379 /* Duplicate S, returning an identical malloc'd string. */
380 #if @GNULIB_STRDUP@
381 # if @REPLACE_STRDUP@
382 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
383 # undef strdup
384 # define strdup rpl_strdup
385 # endif
386 _GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1)));
387 _GL_CXXALIAS_RPL (strdup, char *, (char const *__s));
388 # else
389 # if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup
390  /* strdup exists as a function and as a macro. Get rid of the macro. */
391 # undef strdup
392 # endif
393 # if !(@HAVE_DECL_STRDUP@ || defined strdup)
394 _GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1)));
395 # endif
396 _GL_CXXALIAS_SYS (strdup, char *, (char const *__s));
397 # endif
398 _GL_CXXALIASWARN (strdup);
399 #elif defined GNULIB_POSIXCHECK
400 # undef strdup
401 # if HAVE_RAW_DECL_STRDUP
402 _GL_WARN_ON_USE (strdup, "strdup is unportable - "
403  "use gnulib module strdup for portability");
404 # endif
405 #endif
406 
407 /* Append no more than N characters from SRC onto DEST. */
408 #if @GNULIB_STRNCAT@
409 # if @REPLACE_STRNCAT@
410 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
411 # undef strncat
412 # define strncat rpl_strncat
413 # endif
414 _GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n)
415  _GL_ARG_NONNULL ((1, 2)));
416 _GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n));
417 # else
418 _GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n));
419 # endif
420 _GL_CXXALIASWARN (strncat);
421 #elif defined GNULIB_POSIXCHECK
422 # undef strncat
423 # if HAVE_RAW_DECL_STRNCAT
424 _GL_WARN_ON_USE (strncat, "strncat is unportable - "
425  "use gnulib module strncat for portability");
426 # endif
427 #endif
428 
429 /* Return a newly allocated copy of at most N bytes of STRING. */
430 #if @GNULIB_STRNDUP@
431 # if @REPLACE_STRNDUP@
432 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
433 # undef strndup
434 # define strndup rpl_strndup
435 # endif
436 _GL_FUNCDECL_RPL (strndup, char *, (char const *__s, size_t __n)
437  _GL_ARG_NONNULL ((1)));
438 _GL_CXXALIAS_RPL (strndup, char *, (char const *__s, size_t __n));
439 # else
440 # if ! @HAVE_DECL_STRNDUP@
441 _GL_FUNCDECL_SYS (strndup, char *, (char const *__s, size_t __n)
442  _GL_ARG_NONNULL ((1)));
443 # endif
444 _GL_CXXALIAS_SYS (strndup, char *, (char const *__s, size_t __n));
445 # endif
446 _GL_CXXALIASWARN (strndup);
447 #elif defined GNULIB_POSIXCHECK
448 # undef strndup
449 # if HAVE_RAW_DECL_STRNDUP
450 _GL_WARN_ON_USE (strndup, "strndup is unportable - "
451  "use gnulib module strndup for portability");
452 # endif
453 #endif
454 
455 /* Find the length (number of bytes) of STRING, but scan at most
456  MAXLEN bytes. If no '\0' terminator is found in that many bytes,
457  return MAXLEN. */
458 #if @GNULIB_STRNLEN@
459 # if @REPLACE_STRNLEN@
460 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
461 # undef strnlen
462 # define strnlen rpl_strnlen
463 # endif
464 _GL_FUNCDECL_RPL (strnlen, size_t, (char const *__s, size_t __maxlen)
466  _GL_ARG_NONNULL ((1)));
467 _GL_CXXALIAS_RPL (strnlen, size_t, (char const *__s, size_t __maxlen));
468 # else
469 # if ! @HAVE_DECL_STRNLEN@
470 _GL_FUNCDECL_SYS (strnlen, size_t, (char const *__s, size_t __maxlen)
472  _GL_ARG_NONNULL ((1)));
473 # endif
474 _GL_CXXALIAS_SYS (strnlen, size_t, (char const *__s, size_t __maxlen));
475 # endif
476 _GL_CXXALIASWARN (strnlen);
477 #elif defined GNULIB_POSIXCHECK
478 # undef strnlen
479 # if HAVE_RAW_DECL_STRNLEN
480 _GL_WARN_ON_USE (strnlen, "strnlen is unportable - "
481  "use gnulib module strnlen for portability");
482 # endif
483 #endif
484 
485 #if defined GNULIB_POSIXCHECK
486 /* strcspn() 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 strcspn
491 /* Assume strcspn is always declared. */
492 _GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings "
493  "in multibyte locales - "
494  "use mbscspn if you care about internationalization");
495 #endif
496 
497 /* Find the first occurrence in S of any character in ACCEPT. */
498 #if @GNULIB_STRPBRK@
499 # if ! @HAVE_STRPBRK@
500 _GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept)
502  _GL_ARG_NONNULL ((1, 2)));
503 # endif
504  /* On some systems, this function is defined as an overloaded function:
505  extern "C" { const char * strpbrk (const char *, const char *); }
506  extern "C++" { char * strpbrk (char *, const char *); } */
507 _GL_CXXALIAS_SYS_CAST2 (strpbrk,
508  char *, (char const *__s, char const *__accept),
509  const char *, (char const *__s, char const *__accept));
510 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
511  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
512 _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept));
513 _GL_CXXALIASWARN1 (strpbrk, char const *,
514  (char const *__s, char const *__accept));
515 # else
516 _GL_CXXALIASWARN (strpbrk);
517 # endif
518 # if defined GNULIB_POSIXCHECK
519 /* strpbrk() assumes the second argument is a list of single-byte characters.
520  Even in this simple case, it does not work with multibyte strings if the
521  locale encoding is GB18030 and one of the characters to be searched is a
522  digit. */
523 # undef strpbrk
524 _GL_WARN_ON_USE (strpbrk, "strpbrk cannot work correctly on character strings "
525  "in multibyte locales - "
526  "use mbspbrk if you care about internationalization");
527 # endif
528 #elif defined GNULIB_POSIXCHECK
529 # undef strpbrk
530 # if HAVE_RAW_DECL_STRPBRK
531 _GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - "
532  "use gnulib module strpbrk for portability");
533 # endif
534 #endif
535 
536 #if defined GNULIB_POSIXCHECK
537 /* strspn() assumes the second argument is a list of single-byte characters.
538  Even in this simple case, it cannot work with multibyte strings. */
539 # undef strspn
540 /* Assume strspn is always declared. */
541 _GL_WARN_ON_USE (strspn, "strspn cannot work correctly on character strings "
542  "in multibyte locales - "
543  "use mbsspn if you care about internationalization");
544 #endif
545 
546 #if defined GNULIB_POSIXCHECK
547 /* strrchr() does not work with multibyte strings if the locale encoding is
548  GB18030 and the character to be searched is a digit. */
549 # undef strrchr
550 /* Assume strrchr is always declared. */
551 _GL_WARN_ON_USE (strrchr, "strrchr cannot work correctly on character strings "
552  "in some multibyte locales - "
553  "use mbsrchr if you care about internationalization");
554 #endif
555 
556 /* Search the next delimiter (char listed in DELIM) starting at *STRINGP.
557  If one is found, overwrite it with a NUL, and advance *STRINGP
558  to point to the next char after it. Otherwise, set *STRINGP to NULL.
559  If *STRINGP was already NULL, nothing happens.
560  Return the old value of *STRINGP.
561 
562  This is a variant of strtok() that is multithread-safe and supports
563  empty fields.
564 
565  Caveat: It modifies the original string.
566  Caveat: These functions cannot be used on constant strings.
567  Caveat: The identity of the delimiting character is lost.
568  Caveat: It doesn't work with multibyte strings unless all of the delimiter
569  characters are ASCII characters < 0x30.
570 
571  See also strtok_r(). */
572 #if @GNULIB_STRSEP@
573 # if ! @HAVE_STRSEP@
574 _GL_FUNCDECL_SYS (strsep, char *,
575  (char **restrict __stringp, char const *restrict __delim)
576  _GL_ARG_NONNULL ((1, 2)));
577 # endif
578 _GL_CXXALIAS_SYS (strsep, char *,
579  (char **restrict __stringp, char const *restrict __delim));
580 _GL_CXXALIASWARN (strsep);
581 # if defined GNULIB_POSIXCHECK
582 # undef strsep
583 _GL_WARN_ON_USE (strsep, "strsep cannot work correctly on character strings "
584  "in multibyte locales - "
585  "use mbssep if you care about internationalization");
586 # endif
587 #elif defined GNULIB_POSIXCHECK
588 # undef strsep
589 # if HAVE_RAW_DECL_STRSEP
590 _GL_WARN_ON_USE (strsep, "strsep is unportable - "
591  "use gnulib module strsep for portability");
592 # endif
593 #endif
594 
595 #if @GNULIB_STRSTR@
596 # if @REPLACE_STRSTR@
597 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
598 # define strstr rpl_strstr
599 # endif
600 _GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle)
602  _GL_ARG_NONNULL ((1, 2)));
603 _GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle));
604 # else
605  /* On some systems, this function is defined as an overloaded function:
606  extern "C++" { const char * strstr (const char *, const char *); }
607  extern "C++" { char * strstr (char *, const char *); } */
609  char *, (const char *haystack, const char *needle),
610  const char *, (const char *haystack, const char *needle));
611 # endif
612 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
613  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
614 _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle));
615 _GL_CXXALIASWARN1 (strstr, const char *,
616  (const char *haystack, const char *needle));
617 # else
619 # endif
620 #elif defined GNULIB_POSIXCHECK
621 /* strstr() does not work with multibyte strings if the locale encoding is
622  different from UTF-8:
623  POSIX says that it operates on "strings", and "string" in POSIX is defined
624  as a sequence of bytes, not of characters. */
625 # undef strstr
626 /* Assume strstr is always declared. */
627 _GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot "
628  "work correctly on character strings in most "
629  "multibyte locales - "
630  "use mbsstr if you care about internationalization, "
631  "or use strstr if you care about speed");
632 #endif
633 
634 /* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive
635  comparison. */
636 #if @GNULIB_STRCASESTR@
637 # if @REPLACE_STRCASESTR@
638 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
639 # define strcasestr rpl_strcasestr
640 # endif
641 _GL_FUNCDECL_RPL (strcasestr, char *,
642  (const char *haystack, const char *needle)
644  _GL_ARG_NONNULL ((1, 2)));
645 _GL_CXXALIAS_RPL (strcasestr, char *,
646  (const char *haystack, const char *needle));
647 # else
648 # if ! @HAVE_STRCASESTR@
649 _GL_FUNCDECL_SYS (strcasestr, char *,
650  (const char *haystack, const char *needle)
652  _GL_ARG_NONNULL ((1, 2)));
653 # endif
654  /* On some systems, this function is defined as an overloaded function:
655  extern "C++" { const char * strcasestr (const char *, const char *); }
656  extern "C++" { char * strcasestr (char *, const char *); } */
657 _GL_CXXALIAS_SYS_CAST2 (strcasestr,
658  char *, (const char *haystack, const char *needle),
659  const char *, (const char *haystack, const char *needle));
660 # endif
661 # if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
662  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
663 _GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle));
664 _GL_CXXALIASWARN1 (strcasestr, const char *,
665  (const char *haystack, const char *needle));
666 # else
667 _GL_CXXALIASWARN (strcasestr);
668 # endif
669 #elif defined GNULIB_POSIXCHECK
670 /* strcasestr() does not work with multibyte strings:
671  It is a glibc extension, and glibc implements it only for unibyte
672  locales. */
673 # undef strcasestr
674 # if HAVE_RAW_DECL_STRCASESTR
675 _GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character "
676  "strings in multibyte locales - "
677  "use mbscasestr if you care about "
678  "internationalization, or use c-strcasestr if you want "
679  "a locale independent function");
680 # endif
681 #endif
682 
683 /* Parse S into tokens separated by characters in DELIM.
684  If S is NULL, the saved pointer in SAVE_PTR is used as
685  the next starting point. For example:
686  char s[] = "-abc-=-def";
687  char *sp;
688  x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
689  x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
690  x = strtok_r(NULL, "=", &sp); // x = NULL
691  // s = "abc\0-def\0"
692 
693  This is a variant of strtok() that is multithread-safe.
694 
695  For the POSIX documentation for this function, see:
696  http://www.opengroup.org/susv3xsh/strtok.html
697 
698  Caveat: It modifies the original string.
699  Caveat: These functions cannot be used on constant strings.
700  Caveat: The identity of the delimiting character is lost.
701  Caveat: It doesn't work with multibyte strings unless all of the delimiter
702  characters are ASCII characters < 0x30.
703 
704  See also strsep(). */
705 #if @GNULIB_STRTOK_R@
706 # if @REPLACE_STRTOK_R@
707 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
708 # undef strtok_r
709 # define strtok_r rpl_strtok_r
710 # endif
711 _GL_FUNCDECL_RPL (strtok_r, char *,
712  (char *restrict s, char const *restrict delim,
713  char **restrict save_ptr)
714  _GL_ARG_NONNULL ((2, 3)));
715 _GL_CXXALIAS_RPL (strtok_r, char *,
716  (char *restrict s, char const *restrict delim,
717  char **restrict save_ptr));
718 # else
719 # if @UNDEFINE_STRTOK_R@ || defined GNULIB_POSIXCHECK
720 # undef strtok_r
721 # endif
722 # if ! @HAVE_DECL_STRTOK_R@
723 _GL_FUNCDECL_SYS (strtok_r, char *,
724  (char *restrict s, char const *restrict delim,
725  char **restrict save_ptr)
726  _GL_ARG_NONNULL ((2, 3)));
727 # endif
728 _GL_CXXALIAS_SYS (strtok_r, char *,
729  (char *restrict s, char const *restrict delim,
730  char **restrict save_ptr));
731 # endif
732 _GL_CXXALIASWARN (strtok_r);
733 # if defined GNULIB_POSIXCHECK
734 _GL_WARN_ON_USE (strtok_r, "strtok_r cannot work correctly on character "
735  "strings in multibyte locales - "
736  "use mbstok_r if you care about internationalization");
737 # endif
738 #elif defined GNULIB_POSIXCHECK
739 # undef strtok_r
740 # if HAVE_RAW_DECL_STRTOK_R
741 _GL_WARN_ON_USE (strtok_r, "strtok_r is unportable - "
742  "use gnulib module strtok_r for portability");
743 # endif
744 #endif
745 
746 
747 /* The following functions are not specified by POSIX. They are gnulib
748  extensions. */
749 
750 #if @GNULIB_MBSLEN@
751 /* Return the number of multibyte characters in the character string STRING.
752  This considers multibyte characters, unlike strlen, which counts bytes. */
753 # ifdef __MirBSD__ /* MirBSD defines mbslen as a macro. Override it. */
754 # undef mbslen
755 # endif
756 # if @HAVE_MBSLEN@ /* AIX, OSF/1, MirBSD define mbslen already in libc. */
757 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
758 # define mbslen rpl_mbslen
759 # endif
760 _GL_FUNCDECL_RPL (mbslen, size_t, (const char *string)
762  _GL_ARG_NONNULL ((1)));
763 _GL_CXXALIAS_RPL (mbslen, size_t, (const char *string));
764 # else
765 _GL_FUNCDECL_SYS (mbslen, size_t, (const char *string)
767  _GL_ARG_NONNULL ((1)));
768 _GL_CXXALIAS_SYS (mbslen, size_t, (const char *string));
769 # endif
770 _GL_CXXALIASWARN (mbslen);
771 #endif
772 
773 #if @GNULIB_MBSNLEN@
774 /* Return the number of multibyte characters in the character string starting
775  at STRING and ending at STRING + LEN. */
776 _GL_EXTERN_C size_t mbsnlen (const char *string, size_t len)
778  _GL_ARG_NONNULL ((1));
779 #endif
780 
781 #if @GNULIB_MBSCHR@
782 /* Locate the first single-byte character C in the character string STRING,
783  and return a pointer to it. Return NULL if C is not found in STRING.
784  Unlike strchr(), this function works correctly in multibyte locales with
785  encodings such as GB18030. */
786 # if defined __hpux
787 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
788 # define mbschr rpl_mbschr /* avoid collision with HP-UX function */
789 # endif
790 _GL_FUNCDECL_RPL (mbschr, char *, (const char *string, int c)
792  _GL_ARG_NONNULL ((1)));
793 _GL_CXXALIAS_RPL (mbschr, char *, (const char *string, int c));
794 # else
795 _GL_FUNCDECL_SYS (mbschr, char *, (const char *string, int c)
797  _GL_ARG_NONNULL ((1)));
798 _GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c));
799 # endif
800 _GL_CXXALIASWARN (mbschr);
801 #endif
802 
803 #if @GNULIB_MBSRCHR@
804 /* Locate the last single-byte character C in the character string STRING,
805  and return a pointer to it. Return NULL if C is not found in STRING.
806  Unlike strrchr(), this function works correctly in multibyte locales with
807  encodings such as GB18030. */
808 # if defined __hpux || defined __INTERIX
809 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
810 # define mbsrchr rpl_mbsrchr /* avoid collision with system function */
811 # endif
812 _GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c)
814  _GL_ARG_NONNULL ((1)));
815 _GL_CXXALIAS_RPL (mbsrchr, char *, (const char *string, int c));
816 # else
817 _GL_FUNCDECL_SYS (mbsrchr, char *, (const char *string, int c)
819  _GL_ARG_NONNULL ((1)));
820 _GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c));
821 # endif
822 _GL_CXXALIASWARN (mbsrchr);
823 #endif
824 
825 #if @GNULIB_MBSSTR@
826 /* Find the first occurrence of the character string NEEDLE in the character
827  string HAYSTACK. Return NULL if NEEDLE is not found in HAYSTACK.
828  Unlike strstr(), this function works correctly in multibyte locales with
829  encodings different from UTF-8. */
830 _GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle)
832  _GL_ARG_NONNULL ((1, 2));
833 #endif
834 
835 #if @GNULIB_MBSCASECMP@
836 /* Compare the character strings S1 and S2, ignoring case, returning less than,
837  equal to or greater than zero if S1 is lexicographically less than, equal to
838  or greater than S2.
839  Note: This function may, in multibyte locales, return 0 for strings of
840  different lengths!
841  Unlike strcasecmp(), this function works correctly in multibyte locales. */
842 _GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2)
844  _GL_ARG_NONNULL ((1, 2));
845 #endif
846 
847 #if @GNULIB_MBSNCASECMP@
848 /* Compare the initial segment of the character string S1 consisting of at most
849  N characters with the initial segment of the character string S2 consisting
850  of at most N characters, ignoring case, returning less than, equal to or
851  greater than zero if the initial segment of S1 is lexicographically less
852  than, equal to or greater than the initial segment of S2.
853  Note: This function may, in multibyte locales, return 0 for initial segments
854  of different lengths!
855  Unlike strncasecmp(), this function works correctly in multibyte locales.
856  But beware that N is not a byte count but a character count! */
857 _GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n)
859  _GL_ARG_NONNULL ((1, 2));
860 #endif
861 
862 #if @GNULIB_MBSPCASECMP@
863 /* Compare the initial segment of the character string STRING consisting of
864  at most mbslen (PREFIX) characters with the character string PREFIX,
865  ignoring case. If the two match, return a pointer to the first byte
866  after this prefix in STRING. Otherwise, return NULL.
867  Note: This function may, in multibyte locales, return non-NULL if STRING
868  is of smaller length than PREFIX!
869  Unlike strncasecmp(), this function works correctly in multibyte
870  locales. */
871 _GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix)
873  _GL_ARG_NONNULL ((1, 2));
874 #endif
875 
876 #if @GNULIB_MBSCASESTR@
877 /* Find the first occurrence of the character string NEEDLE in the character
878  string HAYSTACK, using case-insensitive comparison.
879  Note: This function may, in multibyte locales, return success even if
880  strlen (haystack) < strlen (needle) !
881  Unlike strcasestr(), this function works correctly in multibyte locales. */
882 _GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle)
884  _GL_ARG_NONNULL ((1, 2));
885 #endif
886 
887 #if @GNULIB_MBSCSPN@
888 /* Find the first occurrence in the character string STRING of any character
889  in the character string ACCEPT. 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 strcspn(), this function works correctly in multibyte locales. */
893 _GL_EXTERN_C size_t mbscspn (const char *string, const char *accept)
895  _GL_ARG_NONNULL ((1, 2));
896 #endif
897 
898 #if @GNULIB_MBSPBRK@
899 /* Find the first occurrence in the character string STRING of any character
900  in the character string ACCEPT. Return the pointer to it, or NULL if none
901  exists.
902  Unlike strpbrk(), this function works correctly in multibyte locales. */
903 # if defined __hpux
904 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
905 # define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */
906 # endif
907 _GL_FUNCDECL_RPL (mbspbrk, char *, (const char *string, const char *accept)
909  _GL_ARG_NONNULL ((1, 2)));
910 _GL_CXXALIAS_RPL (mbspbrk, char *, (const char *string, const char *accept));
911 # else
912 _GL_FUNCDECL_SYS (mbspbrk, char *, (const char *string, const char *accept)
914  _GL_ARG_NONNULL ((1, 2)));
915 _GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept));
916 # endif
917 _GL_CXXALIASWARN (mbspbrk);
918 #endif
919 
920 #if @GNULIB_MBSSPN@
921 /* Find the first occurrence in the character string STRING of any character
922  not in the character string REJECT. Return the number of bytes from the
923  beginning of the string to this occurrence, or to the end of the string
924  if none exists.
925  Unlike strspn(), this function works correctly in multibyte locales. */
926 _GL_EXTERN_C size_t mbsspn (const char *string, const char *reject)
928  _GL_ARG_NONNULL ((1, 2));
929 #endif
930 
931 #if @GNULIB_MBSSEP@
932 /* Search the next delimiter (multibyte character listed in the character
933  string DELIM) starting at the character string *STRINGP.
934  If one is found, overwrite it with a NUL, and advance *STRINGP to point
935  to the next multibyte character after it. Otherwise, set *STRINGP to NULL.
936  If *STRINGP was already NULL, nothing happens.
937  Return the old value of *STRINGP.
938 
939  This is a variant of mbstok_r() that supports empty fields.
940 
941  Caveat: It modifies the original string.
942  Caveat: These functions cannot be used on constant strings.
943  Caveat: The identity of the delimiting character is lost.
944 
945  See also mbstok_r(). */
946 _GL_EXTERN_C char * mbssep (char **stringp, const char *delim)
947  _GL_ARG_NONNULL ((1, 2));
948 #endif
949 
950 #if @GNULIB_MBSTOK_R@
951 /* Parse the character string STRING into tokens separated by characters in
952  the character string DELIM.
953  If STRING is NULL, the saved pointer in SAVE_PTR is used as
954  the next starting point. For example:
955  char s[] = "-abc-=-def";
956  char *sp;
957  x = mbstok_r(s, "-", &sp); // x = "abc", sp = "=-def"
958  x = mbstok_r(NULL, "-=", &sp); // x = "def", sp = NULL
959  x = mbstok_r(NULL, "=", &sp); // x = NULL
960  // s = "abc\0-def\0"
961 
962  Caveat: It modifies the original string.
963  Caveat: These functions cannot be used on constant strings.
964  Caveat: The identity of the delimiting character is lost.
965 
966  See also mbssep(). */
967 _GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr)
968  _GL_ARG_NONNULL ((2, 3));
969 #endif
970 
971 /* Map any int, typically from errno, into an error message. */
972 #if @GNULIB_STRERROR@
973 # if @REPLACE_STRERROR@
974 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
975 # undef strerror
976 # define strerror rpl_strerror
977 # endif
978 _GL_FUNCDECL_RPL (strerror, char *, (int));
979 _GL_CXXALIAS_RPL (strerror, char *, (int));
980 # else
981 _GL_CXXALIAS_SYS (strerror, char *, (int));
982 # endif
984 #elif defined GNULIB_POSIXCHECK
985 # undef strerror
986 /* Assume strerror is always declared. */
987 _GL_WARN_ON_USE (strerror, "strerror is unportable - "
988  "use gnulib module strerror to guarantee non-NULL result");
989 #endif
990 
991 /* Map any int, typically from errno, into an error message. Multithread-safe.
992  Uses the POSIX declaration, not the glibc declaration. */
993 #if @GNULIB_STRERROR_R@
994 # if @REPLACE_STRERROR_R@
995 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
996 # undef strerror_r
997 # define strerror_r rpl_strerror_r
998 # endif
999 _GL_FUNCDECL_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen)
1000  _GL_ARG_NONNULL ((2)));
1001 _GL_CXXALIAS_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen));
1002 # else
1003 # if !@HAVE_DECL_STRERROR_R@
1004 _GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)
1005  _GL_ARG_NONNULL ((2)));
1006 # endif
1007 _GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen));
1008 # endif
1009 # if @HAVE_DECL_STRERROR_R@
1011 # endif
1012 #elif defined GNULIB_POSIXCHECK
1013 # undef strerror_r
1014 # if HAVE_RAW_DECL_STRERROR_R
1015 _GL_WARN_ON_USE (strerror_r, "strerror_r is unportable - "
1016  "use gnulib module strerror_r-posix for portability");
1017 # endif
1018 #endif
1019 
1020 #if @GNULIB_STRSIGNAL@
1021 # if @REPLACE_STRSIGNAL@
1022 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1023 # define strsignal rpl_strsignal
1024 # endif
1025 _GL_FUNCDECL_RPL (strsignal, char *, (int __sig));
1026 _GL_CXXALIAS_RPL (strsignal, char *, (int __sig));
1027 # else
1028 # if ! @HAVE_DECL_STRSIGNAL@
1029 _GL_FUNCDECL_SYS (strsignal, char *, (int __sig));
1030 # endif
1031 /* Need to cast, because on Cygwin 1.5.x systems, the return type is
1032  'const char *'. */
1033 _GL_CXXALIAS_SYS_CAST (strsignal, char *, (int __sig));
1034 # endif
1035 _GL_CXXALIASWARN (strsignal);
1036 #elif defined GNULIB_POSIXCHECK
1037 # undef strsignal
1038 # if HAVE_RAW_DECL_STRSIGNAL
1039 _GL_WARN_ON_USE (strsignal, "strsignal is unportable - "
1040  "use gnulib module strsignal for portability");
1041 # endif
1042 #endif
1043 
1044 #if @GNULIB_STRVERSCMP@
1045 # if !@HAVE_STRVERSCMP@
1046 _GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *)
1048  _GL_ARG_NONNULL ((1, 2)));
1049 # endif
1050 _GL_CXXALIAS_SYS (strverscmp, int, (const char *, const char *));
1051 _GL_CXXALIASWARN (strverscmp);
1052 #elif defined GNULIB_POSIXCHECK
1053 # undef strverscmp
1054 # if HAVE_RAW_DECL_STRVERSCMP
1055 _GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - "
1056  "use gnulib module strverscmp for portability");
1057 # endif
1058 #endif
1059 
1060 
1061 #endif /* _@GUARD_PREFIX@_STRING_H */
1062 #endif /* _@GUARD_PREFIX@_STRING_H */
1063 #endif
#define _GL_CXXALIAS_SYS_CAST(func, rettype, parameters)
Definition: inet.h:278
#define _GL_FUNCDECL_SYS(func, rettype, parameters_and_attributes)
Definition: inet.h:168
#define _GL_ATTRIBUTE_PURE
Definition: string.in.h:60
this configure time declaration test was not run int strerror_r(int errnum, char *buf, size_t buflen)
#define _GL_CXXALIAS_RPL(func, rettype, parameters)
Definition: inet.h:180
_GL_ARG_NONNULL((1)))
char * strstr(const char *haystack_start, const char *needle_start)
Definition: strstr.c:39
#define _GL_CXXALIASWARN(func)
Definition: inet.h:337
#define _GL_CXXALIASWARN1(func, rettype, parameters_and_attributes)
Definition: inet.h:365
#define _GL_EXTERN_C
Definition: inet.h:146
char * strerror(int n)
Definition: strerror.c:36
#define _GL_CXXALIAS_SYS(func, rettype, parameters)
Definition: inet.h:253
#define _GL_FUNCDECL_RPL(func, rettype, parameters_and_attributes)
Definition: inet.h:156
#define restrict
Definition: config.h:1858
#define _GL_CXXALIAS_SYS_CAST2(func, rettype, parameters, rettype2, parameters2)
Definition: inet.h:309
#define _GL_WARN_ON_USE(function, message)
Definition: inet.h:474