1 /* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
3 Copyright (C) 2007-2011 Free Software Foundation, Inc.
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 2, or (at your option)
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.
15 You should have received a copy of the GNU 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. */
19 /* Written by Eric Blake. */
22 * ISO C 99 <wchar.h> for platforms that have issues.
23 * <http://www.opengroup.org/susv3xbd/wchar.h.html>
25 * For now, this just ensures proper prerequisite inclusion order and
26 * the declaration of wcwidth().
30 @PRAGMA_SYSTEM_HEADER@
34 #if defined __need_mbstate_t || defined __need_wint_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
35 /* Special invocation convention:
36 - Inside glibc and uClibc header files.
37 - On HP-UX 11.00 we have a sequence of nested includes
38 <wchar.h> -> <stdlib.h> -> <stdint.h>, and the latter includes <wchar.h>,
39 once indirectly <stdint.h> -> <sys/types.h> -> <inttypes.h> -> <wchar.h>
40 and once directly. In both situations 'wint_t' is not yet defined,
41 therefore we cannot provide the function overrides; instead include only
42 the system's <wchar.h>.
43 - On IRIX 6.5, similarly, we have an include <wchar.h> -> <wctype.h>, and
44 the latter includes <wchar.h>. But here, we have no way to detect whether
45 <wctype.h> is completely included or is still being included. */
47 #@INCLUDE_NEXT@ @NEXT_WCHAR_H@
50 /* Normal invocation convention. */
54 #define _GL_ALREADY_INCLUDING_WCHAR_H
57 # include <features.h> /* for __GLIBC__ */
60 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
62 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
63 included before <wchar.h>.
64 But avoid namespace pollution on glibc systems. */
71 /* Include the original <wchar.h> if it exists.
72 Some builds of uClibc lack it. */
73 /* The include_next requires a split double-inclusion guard. */
75 # @INCLUDE_NEXT@ @NEXT_WCHAR_H@
78 #undef _GL_ALREADY_INCLUDING_WCHAR_H
83 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
85 /* The definition of _GL_ARG_NONNULL is copied here. */
87 /* The definition of _GL_WARN_ON_USE is copied here. */
90 /* Define wint_t and WEOF. (Also done in wctype.in.h.) */
91 #if !@HAVE_WINT_T@ && !defined wint_t
98 # define WEOF ((wint_t) -1)
103 /* Override mbstate_t if it is too small.
104 On IRIX 6.5, sizeof (mbstate_t) == 1, which is not sufficient for
105 implementing mbrtowc for encodings like UTF-8. */
106 #if !(@HAVE_MBSINIT@ && @HAVE_MBRTOWC@) || @REPLACE_MBSTATE_T@
107 # if !GNULIB_defined_mbstate_t
108 typedef int rpl_mbstate_t;
110 # define mbstate_t rpl_mbstate_t
111 # define GNULIB_defined_mbstate_t 1
116 /* Convert a single-byte character to a wide character. */
119 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
121 # define btowc rpl_btowc
123 _GL_FUNCDECL_RPL (btowc, wint_t, (int c));
124 _GL_CXXALIAS_RPL (btowc, wint_t, (int c));
127 _GL_FUNCDECL_SYS (btowc, wint_t, (int c));
129 _GL_CXXALIAS_SYS (btowc, wint_t, (int c));
131 _GL_CXXALIASWARN (btowc);
132 #elif defined GNULIB_POSIXCHECK
134 # if HAVE_RAW_DECL_BTOWC
135 _GL_WARN_ON_USE (btowc, "btowc is unportable - "
136 "use gnulib module btowc for portability");
141 /* Convert a wide character to a single-byte character. */
144 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
146 # define wctob rpl_wctob
148 _GL_FUNCDECL_RPL (wctob, int, (wint_t wc));
149 _GL_CXXALIAS_RPL (wctob, int, (wint_t wc));
151 # if !defined wctob && !@HAVE_DECL_WCTOB@
152 /* wctob is provided by gnulib, or wctob exists but is not declared. */
153 _GL_FUNCDECL_SYS (wctob, int, (wint_t wc));
155 _GL_CXXALIAS_SYS (wctob, int, (wint_t wc));
157 _GL_CXXALIASWARN (wctob);
158 #elif defined GNULIB_POSIXCHECK
160 # if HAVE_RAW_DECL_WCTOB
161 _GL_WARN_ON_USE (wctob, "wctob is unportable - "
162 "use gnulib module wctob for portability");
167 /* Test whether *PS is in the initial state. */
169 # if @REPLACE_MBSINIT@
170 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
172 # define mbsinit rpl_mbsinit
174 _GL_FUNCDECL_RPL (mbsinit, int, (const mbstate_t *ps));
175 _GL_CXXALIAS_RPL (mbsinit, int, (const mbstate_t *ps));
178 _GL_FUNCDECL_SYS (mbsinit, int, (const mbstate_t *ps));
180 _GL_CXXALIAS_SYS (mbsinit, int, (const mbstate_t *ps));
182 _GL_CXXALIASWARN (mbsinit);
183 #elif defined GNULIB_POSIXCHECK
185 # if HAVE_RAW_DECL_MBSINIT
186 _GL_WARN_ON_USE (mbsinit, "mbsinit is unportable - "
187 "use gnulib module mbsinit for portability");
192 /* Convert a multibyte character to a wide character. */
194 # if @REPLACE_MBRTOWC@
195 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
197 # define mbrtowc rpl_mbrtowc
199 _GL_FUNCDECL_RPL (mbrtowc, size_t,
200 (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
201 _GL_CXXALIAS_RPL (mbrtowc, size_t,
202 (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
205 _GL_FUNCDECL_SYS (mbrtowc, size_t,
206 (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
208 _GL_CXXALIAS_SYS (mbrtowc, size_t,
209 (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
211 _GL_CXXALIASWARN (mbrtowc);
212 #elif defined GNULIB_POSIXCHECK
214 # if HAVE_RAW_DECL_MBRTOWC
215 _GL_WARN_ON_USE (mbrtowc, "mbrtowc is unportable - "
216 "use gnulib module mbrtowc for portability");
221 /* Recognize a multibyte character. */
223 # if @REPLACE_MBRLEN@
224 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
226 # define mbrlen rpl_mbrlen
228 _GL_FUNCDECL_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
229 _GL_CXXALIAS_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
232 _GL_FUNCDECL_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
234 _GL_CXXALIAS_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
236 _GL_CXXALIASWARN (mbrlen);
237 #elif defined GNULIB_POSIXCHECK
239 # if HAVE_RAW_DECL_MBRLEN
240 _GL_WARN_ON_USE (mbrlen, "mbrlen is unportable - "
241 "use gnulib module mbrlen for portability");
246 /* Convert a string to a wide string. */
247 #if @GNULIB_MBSRTOWCS@
248 # if @REPLACE_MBSRTOWCS@
249 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
251 # define mbsrtowcs rpl_mbsrtowcs
253 _GL_FUNCDECL_RPL (mbsrtowcs, size_t,
254 (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
255 _GL_ARG_NONNULL ((2)));
256 _GL_CXXALIAS_RPL (mbsrtowcs, size_t,
257 (wchar_t *dest, const char **srcp, size_t len,
260 # if !@HAVE_MBSRTOWCS@
261 _GL_FUNCDECL_SYS (mbsrtowcs, size_t,
262 (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
263 _GL_ARG_NONNULL ((2)));
265 _GL_CXXALIAS_SYS (mbsrtowcs, size_t,
266 (wchar_t *dest, const char **srcp, size_t len,
269 _GL_CXXALIASWARN (mbsrtowcs);
270 #elif defined GNULIB_POSIXCHECK
272 # if HAVE_RAW_DECL_MBSRTOWCS
273 _GL_WARN_ON_USE (mbsrtowcs, "mbsrtowcs is unportable - "
274 "use gnulib module mbsrtowcs for portability");
279 /* Convert a string to a wide string. */
280 #if @GNULIB_MBSNRTOWCS@
281 # if @REPLACE_MBSNRTOWCS@
282 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
284 # define mbsnrtowcs rpl_mbsnrtowcs
286 _GL_FUNCDECL_RPL (mbsnrtowcs, size_t,
287 (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
289 _GL_ARG_NONNULL ((2)));
290 _GL_CXXALIAS_RPL (mbsnrtowcs, size_t,
291 (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
294 # if !@HAVE_MBSNRTOWCS@
295 _GL_FUNCDECL_SYS (mbsnrtowcs, size_t,
296 (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
298 _GL_ARG_NONNULL ((2)));
300 _GL_CXXALIAS_SYS (mbsnrtowcs, size_t,
301 (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
304 _GL_CXXALIASWARN (mbsnrtowcs);
305 #elif defined GNULIB_POSIXCHECK
307 # if HAVE_RAW_DECL_MBSNRTOWCS
308 _GL_WARN_ON_USE (mbsnrtowcs, "mbsnrtowcs is unportable - "
309 "use gnulib module mbsnrtowcs for portability");
314 /* Convert a wide character to a multibyte character. */
316 # if @REPLACE_WCRTOMB@
317 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
319 # define wcrtomb rpl_wcrtomb
321 _GL_FUNCDECL_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
322 _GL_CXXALIAS_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
325 _GL_FUNCDECL_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
327 _GL_CXXALIAS_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
329 _GL_CXXALIASWARN (wcrtomb);
330 #elif defined GNULIB_POSIXCHECK
332 # if HAVE_RAW_DECL_WCRTOMB
333 _GL_WARN_ON_USE (wcrtomb, "wcrtomb is unportable - "
334 "use gnulib module wcrtomb for portability");
339 /* Convert a wide string to a string. */
340 #if @GNULIB_WCSRTOMBS@
341 # if @REPLACE_WCSRTOMBS@
342 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
344 # define wcsrtombs rpl_wcsrtombs
346 _GL_FUNCDECL_RPL (wcsrtombs, size_t,
347 (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
348 _GL_ARG_NONNULL ((2)));
349 _GL_CXXALIAS_RPL (wcsrtombs, size_t,
350 (char *dest, const wchar_t **srcp, size_t len,
353 # if !@HAVE_WCSRTOMBS@
354 _GL_FUNCDECL_SYS (wcsrtombs, size_t,
355 (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
356 _GL_ARG_NONNULL ((2)));
358 _GL_CXXALIAS_SYS (wcsrtombs, size_t,
359 (char *dest, const wchar_t **srcp, size_t len,
362 _GL_CXXALIASWARN (wcsrtombs);
363 #elif defined GNULIB_POSIXCHECK
365 # if HAVE_RAW_DECL_WCSRTOMBS
366 _GL_WARN_ON_USE (wcsrtombs, "wcsrtombs is unportable - "
367 "use gnulib module wcsrtombs for portability");
372 /* Convert a wide string to a string. */
373 #if @GNULIB_WCSNRTOMBS@
374 # if @REPLACE_WCSNRTOMBS@
375 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
377 # define wcsnrtombs rpl_wcsnrtombs
379 _GL_FUNCDECL_RPL (wcsnrtombs, size_t,
380 (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
382 _GL_ARG_NONNULL ((2)));
383 _GL_CXXALIAS_RPL (wcsnrtombs, size_t,
384 (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
387 # if !@HAVE_WCSNRTOMBS@
388 _GL_FUNCDECL_SYS (wcsnrtombs, size_t,
389 (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
391 _GL_ARG_NONNULL ((2)));
393 _GL_CXXALIAS_SYS (wcsnrtombs, size_t,
394 (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
397 _GL_CXXALIASWARN (wcsnrtombs);
398 #elif defined GNULIB_POSIXCHECK
400 # if HAVE_RAW_DECL_WCSNRTOMBS
401 _GL_WARN_ON_USE (wcsnrtombs, "wcsnrtombs is unportable - "
402 "use gnulib module wcsnrtombs for portability");
407 /* Return the number of screen columns needed for WC. */
409 # if @REPLACE_WCWIDTH@
410 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
412 # define wcwidth rpl_wcwidth
414 _GL_FUNCDECL_RPL (wcwidth, int, (wchar_t));
415 _GL_CXXALIAS_RPL (wcwidth, int, (wchar_t));
417 # if !@HAVE_DECL_WCWIDTH@
418 /* wcwidth exists but is not declared. */
419 _GL_FUNCDECL_SYS (wcwidth, int, (wchar_t));
421 _GL_CXXALIAS_SYS (wcwidth, int, (wchar_t));
423 _GL_CXXALIASWARN (wcwidth);
424 #elif defined GNULIB_POSIXCHECK
426 # if HAVE_RAW_DECL_WCWIDTH
427 _GL_WARN_ON_USE (wcwidth, "wcwidth is unportable - "
428 "use gnulib module wcwidth for portability");
433 /* Search N wide characters of S for C. */
436 _GL_FUNCDECL_SYS (wmemchr, wchar_t *, (const wchar_t *s, wchar_t c, size_t n));
438 _GL_CXXALIAS_SYS (wmemchr, wchar_t *, (const wchar_t *s, wchar_t c, size_t n));
439 _GL_CXXALIASWARN (wmemchr);
440 #elif defined GNULIB_POSIXCHECK
442 # if HAVE_RAW_DECL_WMEMCHR
443 _GL_WARN_ON_USE (wmemchr, "wmemchr is unportable - "
444 "use gnulib module wmemchr for portability");
449 /* Compare N wide characters of S1 and S2. */
452 _GL_FUNCDECL_SYS (wmemcmp, int,
453 (const wchar_t *s1, const wchar_t *s2, size_t n));
455 _GL_CXXALIAS_SYS (wmemcmp, int,
456 (const wchar_t *s1, const wchar_t *s2, size_t n));
457 _GL_CXXALIASWARN (wmemcmp);
458 #elif defined GNULIB_POSIXCHECK
460 # if HAVE_RAW_DECL_WMEMCMP
461 _GL_WARN_ON_USE (wmemcmp, "wmemcmp is unportable - "
462 "use gnulib module wmemcmp for portability");
467 /* Copy N wide characters of SRC to DEST. */
470 _GL_FUNCDECL_SYS (wmemcpy, wchar_t *,
471 (wchar_t *dest, const wchar_t *src, size_t n));
473 _GL_CXXALIAS_SYS (wmemcpy, wchar_t *,
474 (wchar_t *dest, const wchar_t *src, size_t n));
475 _GL_CXXALIASWARN (wmemcpy);
476 #elif defined GNULIB_POSIXCHECK
478 # if HAVE_RAW_DECL_WMEMCPY
479 _GL_WARN_ON_USE (wmemcpy, "wmemcpy is unportable - "
480 "use gnulib module wmemcpy for portability");
485 /* Copy N wide characters of SRC to DEST, guaranteeing correct behavior for
486 overlapping memory areas. */
487 #if @GNULIB_WMEMMOVE@
488 # if !@HAVE_WMEMMOVE@
489 _GL_FUNCDECL_SYS (wmemmove, wchar_t *,
490 (wchar_t *dest, const wchar_t *src, size_t n));
492 _GL_CXXALIAS_SYS (wmemmove, wchar_t *,
493 (wchar_t *dest, const wchar_t *src, size_t n));
494 _GL_CXXALIASWARN (wmemmove);
495 #elif defined GNULIB_POSIXCHECK
497 # if HAVE_RAW_DECL_WMEMMOVE
498 _GL_WARN_ON_USE (wmemmove, "wmemmove is unportable - "
499 "use gnulib module wmemmove for portability");
504 /* Set N wide characters of S to C. */
507 _GL_FUNCDECL_SYS (wmemset, wchar_t *, (wchar_t *s, wchar_t c, size_t n));
509 _GL_CXXALIAS_SYS (wmemset, wchar_t *, (wchar_t *s, wchar_t c, size_t n));
510 _GL_CXXALIASWARN (wmemset);
511 #elif defined GNULIB_POSIXCHECK
513 # if HAVE_RAW_DECL_WMEMSET
514 _GL_WARN_ON_USE (wmemset, "wmemset is unportable - "
515 "use gnulib module wmemset for portability");
520 /* Return the number of wide characters in S. */
523 _GL_FUNCDECL_SYS (wcslen, size_t, (const wchar_t *s));
525 _GL_CXXALIAS_SYS (wcslen, size_t, (const wchar_t *s));
526 _GL_CXXALIASWARN (wcslen);
527 #elif defined GNULIB_POSIXCHECK
529 # if HAVE_RAW_DECL_WCSLEN
530 _GL_WARN_ON_USE (wcslen, "wcslen is unportable - "
531 "use gnulib module wcslen for portability");
536 /* Return the number of wide characters in S, but at most MAXLEN. */
539 _GL_FUNCDECL_SYS (wcsnlen, size_t, (const wchar_t *s, size_t maxlen));
541 _GL_CXXALIAS_SYS (wcsnlen, size_t, (const wchar_t *s, size_t maxlen));
542 _GL_CXXALIASWARN (wcsnlen);
543 #elif defined GNULIB_POSIXCHECK
545 # if HAVE_RAW_DECL_WCSNLEN
546 _GL_WARN_ON_USE (wcsnlen, "wcsnlen is unportable - "
547 "use gnulib module wcsnlen for portability");
552 /* Copy SRC to DEST. */
555 _GL_FUNCDECL_SYS (wcscpy, wchar_t *, (wchar_t *dest, const wchar_t *src));
557 _GL_CXXALIAS_SYS (wcscpy, wchar_t *, (wchar_t *dest, const wchar_t *src));
558 _GL_CXXALIASWARN (wcscpy);
559 #elif defined GNULIB_POSIXCHECK
561 # if HAVE_RAW_DECL_WCSCPY
562 _GL_WARN_ON_USE (wcscpy, "wcscpy is unportable - "
563 "use gnulib module wcscpy for portability");
568 /* Copy SRC to DEST, returning the address of the terminating L'\0' in DEST. */
571 _GL_FUNCDECL_SYS (wcpcpy, wchar_t *, (wchar_t *dest, const wchar_t *src));
573 _GL_CXXALIAS_SYS (wcpcpy, wchar_t *, (wchar_t *dest, const wchar_t *src));
574 _GL_CXXALIASWARN (wcpcpy);
575 #elif defined GNULIB_POSIXCHECK
577 # if HAVE_RAW_DECL_WCPCPY
578 _GL_WARN_ON_USE (wcpcpy, "wcpcpy is unportable - "
579 "use gnulib module wcpcpy for portability");
584 /* Copy no more than N wide characters of SRC to DEST. */
587 _GL_FUNCDECL_SYS (wcsncpy, wchar_t *,
588 (wchar_t *dest, const wchar_t *src, size_t n));
590 _GL_CXXALIAS_SYS (wcsncpy, wchar_t *,
591 (wchar_t *dest, const wchar_t *src, size_t n));
592 _GL_CXXALIASWARN (wcsncpy);
593 #elif defined GNULIB_POSIXCHECK
595 # if HAVE_RAW_DECL_WCSNCPY
596 _GL_WARN_ON_USE (wcsncpy, "wcsncpy is unportable - "
597 "use gnulib module wcsncpy for portability");
602 /* Copy no more than N characters of SRC to DEST, returning the address of
603 the last character written into DEST. */
606 _GL_FUNCDECL_SYS (wcpncpy, wchar_t *,
607 (wchar_t *dest, const wchar_t *src, size_t n));
609 _GL_CXXALIAS_SYS (wcpncpy, wchar_t *,
610 (wchar_t *dest, const wchar_t *src, size_t n));
611 _GL_CXXALIASWARN (wcpncpy);
612 #elif defined GNULIB_POSIXCHECK
614 # if HAVE_RAW_DECL_WCPNCPY
615 _GL_WARN_ON_USE (wcpncpy, "wcpncpy is unportable - "
616 "use gnulib module wcpncpy for portability");
621 /* Append SRC onto DEST. */
624 _GL_FUNCDECL_SYS (wcscat, wchar_t *, (wchar_t *dest, const wchar_t *src));
626 _GL_CXXALIAS_SYS (wcscat, wchar_t *, (wchar_t *dest, const wchar_t *src));
627 _GL_CXXALIASWARN (wcscat);
628 #elif defined GNULIB_POSIXCHECK
630 # if HAVE_RAW_DECL_WCSCAT
631 _GL_WARN_ON_USE (wcscat, "wcscat is unportable - "
632 "use gnulib module wcscat for portability");
637 /* Append no more than N wide characters of SRC onto DEST. */
640 _GL_FUNCDECL_SYS (wcsncat, wchar_t *,
641 (wchar_t *dest, const wchar_t *src, size_t n));
643 _GL_CXXALIAS_SYS (wcsncat, wchar_t *,
644 (wchar_t *dest, const wchar_t *src, size_t n));
645 _GL_CXXALIASWARN (wcsncat);
646 #elif defined GNULIB_POSIXCHECK
648 # if HAVE_RAW_DECL_WCSNCAT
649 _GL_WARN_ON_USE (wcsncat, "wcsncat is unportable - "
650 "use gnulib module wcsncat for portability");
655 /* Compare S1 and S2. */
658 _GL_FUNCDECL_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2));
660 _GL_CXXALIAS_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2));
661 _GL_CXXALIASWARN (wcscmp);
662 #elif defined GNULIB_POSIXCHECK
664 # if HAVE_RAW_DECL_WCSCMP
665 _GL_WARN_ON_USE (wcscmp, "wcscmp is unportable - "
666 "use gnulib module wcscmp for portability");
671 /* Compare no more than N wide characters of S1 and S2. */
674 _GL_FUNCDECL_SYS (wcsncmp, int,
675 (const wchar_t *s1, const wchar_t *s2, size_t n));
677 _GL_CXXALIAS_SYS (wcsncmp, int,
678 (const wchar_t *s1, const wchar_t *s2, size_t n));
679 _GL_CXXALIASWARN (wcsncmp);
680 #elif defined GNULIB_POSIXCHECK
682 # if HAVE_RAW_DECL_WCSNCMP
683 _GL_WARN_ON_USE (wcsncmp, "wcsncmp is unportable - "
684 "use gnulib module wcsncmp for portability");
689 /* Compare S1 and S2, ignoring case. */
690 #if @GNULIB_WCSCASECMP@
691 # if !@HAVE_WCSCASECMP@
692 _GL_FUNCDECL_SYS (wcscasecmp, int, (const wchar_t *s1, const wchar_t *s2));
694 _GL_CXXALIAS_SYS (wcscasecmp, int, (const wchar_t *s1, const wchar_t *s2));
695 _GL_CXXALIASWARN (wcscasecmp);
696 #elif defined GNULIB_POSIXCHECK
698 # if HAVE_RAW_DECL_WCSCASECMP
699 _GL_WARN_ON_USE (wcscasecmp, "wcscasecmp is unportable - "
700 "use gnulib module wcscasecmp for portability");
705 /* Compare no more than N chars of S1 and S2, ignoring case. */
706 #if @GNULIB_WCSNCASECMP@
707 # if !@HAVE_WCSNCASECMP@
708 _GL_FUNCDECL_SYS (wcsncasecmp, int,
709 (const wchar_t *s1, const wchar_t *s2, size_t n));
711 _GL_CXXALIAS_SYS (wcsncasecmp, int,
712 (const wchar_t *s1, const wchar_t *s2, size_t n));
713 _GL_CXXALIASWARN (wcsncasecmp);
714 #elif defined GNULIB_POSIXCHECK
716 # if HAVE_RAW_DECL_WCSNCASECMP
717 _GL_WARN_ON_USE (wcsncasecmp, "wcsncasecmp is unportable - "
718 "use gnulib module wcsncasecmp for portability");
723 /* Compare S1 and S2, both interpreted as appropriate to the LC_COLLATE
724 category of the current locale. */
727 _GL_FUNCDECL_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2));
729 _GL_CXXALIAS_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2));
730 _GL_CXXALIASWARN (wcscoll);
731 #elif defined GNULIB_POSIXCHECK
733 # if HAVE_RAW_DECL_WCSCOLL
734 _GL_WARN_ON_USE (wcscoll, "wcscoll is unportable - "
735 "use gnulib module wcscoll for portability");
740 /* Transform S2 into array pointed to by S1 such that if wcscmp is applied
741 to two transformed strings the result is the as applying 'wcscoll' to the
745 _GL_FUNCDECL_SYS (wcsxfrm, size_t, (wchar_t *s1, const wchar_t *s2, size_t n));
747 _GL_CXXALIAS_SYS (wcsxfrm, size_t, (wchar_t *s1, const wchar_t *s2, size_t n));
748 _GL_CXXALIASWARN (wcsxfrm);
749 #elif defined GNULIB_POSIXCHECK
751 # if HAVE_RAW_DECL_WCSXFRM
752 _GL_WARN_ON_USE (wcsxfrm, "wcsxfrm is unportable - "
753 "use gnulib module wcsxfrm for portability");
758 /* Duplicate S, returning an identical malloc'd string. */
761 _GL_FUNCDECL_SYS (wcsdup, wchar_t *, (const wchar_t *s));
763 _GL_CXXALIAS_SYS (wcsdup, wchar_t *, (const wchar_t *s));
764 _GL_CXXALIASWARN (wcsdup);
765 #elif defined GNULIB_POSIXCHECK
767 # if HAVE_RAW_DECL_WCSDUP
768 _GL_WARN_ON_USE (wcsdup, "wcsdup is unportable - "
769 "use gnulib module wcsdup for portability");
774 /* Find the first occurrence of WC in WCS. */
777 _GL_FUNCDECL_SYS (wcschr, wchar_t *, (const wchar_t *wcs, wchar_t wc));
779 _GL_CXXALIAS_SYS (wcschr, wchar_t *, (const wchar_t *wcs, wchar_t wc));
780 _GL_CXXALIASWARN (wcschr);
781 #elif defined GNULIB_POSIXCHECK
783 # if HAVE_RAW_DECL_WCSCHR
784 _GL_WARN_ON_USE (wcschr, "wcschr is unportable - "
785 "use gnulib module wcschr for portability");
790 #endif /* _GL_WCHAR_H */
791 #endif /* _GL_WCHAR_H */