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comparison lib/wchar.in.h @ 434:b8bf63962a99 3.0

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Added various generated files for release
author lost@l-w.ca
date Fri, 29 Oct 2010 19:20:39 -0600
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433:b142b473f0ee 434:b8bf63962a99
1 /* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
2
3 Copyright (C) 2007-2010 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, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 /* Written by Eric Blake. */
20
21 /*
22 * ISO C 99 <wchar.h> for platforms that have issues.
23 * <http://www.opengroup.org/susv3xbd/wchar.h.html>
24 *
25 * For now, this just ensures proper prerequisite inclusion order and
26 * the declaration of wcwidth().
27 */
28
29 #if __GNUC__ >= 3
30 @PRAGMA_SYSTEM_HEADER@
31 #endif
32
33 #if defined __need_mbstate_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
34 /* Special invocation convention:
35 - Inside uClibc header files.
36 - On HP-UX 11.00 we have a sequence of nested includes
37 <wchar.h> -> <stdlib.h> -> <stdint.h>, and the latter includes <wchar.h>,
38 once indirectly <stdint.h> -> <sys/types.h> -> <inttypes.h> -> <wchar.h>
39 and once directly. In both situations 'wint_t' is not yet defined,
40 therefore we cannot provide the function overrides; instead include only
41 the system's <wchar.h>.
42 - On IRIX 6.5, similarly, we have an include <wchar.h> -> <wctype.h>, and
43 the latter includes <wchar.h>. But here, we have no way to detect whether
44 <wctype.h> is completely included or is still being included. */
45
46 #@INCLUDE_NEXT@ @NEXT_WCHAR_H@
47
48 #else
49 /* Normal invocation convention. */
50
51 #ifndef _GL_WCHAR_H
52
53 #define _GL_ALREADY_INCLUDING_WCHAR_H
54
55 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
56 <wchar.h>.
57 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
58 included before <wchar.h>.
59 But avoid namespace pollution on glibc systems. */
60 #ifndef __GLIBC__
61 # include <stddef.h>
62 # include <stdio.h>
63 # include <time.h>
64 #endif
65
66 /* Include the original <wchar.h> if it exists.
67 Some builds of uClibc lack it. */
68 /* The include_next requires a split double-inclusion guard. */
69 #if @HAVE_WCHAR_H@
70 # @INCLUDE_NEXT@ @NEXT_WCHAR_H@
71 #endif
72
73 #undef _GL_ALREADY_INCLUDING_WCHAR_H
74
75 #ifndef _GL_WCHAR_H
76 #define _GL_WCHAR_H
77
78 /* The definition of GL_LINK_WARNING is copied here. */
79
80 /* The definition of _GL_ARG_NONNULL is copied here. */
81
82 #ifdef __cplusplus
83 extern "C" {
84 #endif
85
86
87 /* Define wint_t. (Also done in wctype.in.h.) */
88 #if !@HAVE_WINT_T@ && !defined wint_t
89 # define wint_t int
90 # ifndef WEOF
91 # define WEOF -1
92 # endif
93 #endif
94
95
96 /* Override mbstate_t if it is too small.
97 On IRIX 6.5, sizeof (mbstate_t) == 1, which is not sufficient for
98 implementing mbrtowc for encodings like UTF-8. */
99 #if !(@HAVE_MBSINIT@ && @HAVE_MBRTOWC@) || @REPLACE_MBSTATE_T@
100 typedef int rpl_mbstate_t;
101 # undef mbstate_t
102 # define mbstate_t rpl_mbstate_t
103 # define GNULIB_defined_mbstate_t 1
104 #endif
105
106
107 /* Convert a single-byte character to a wide character. */
108 #if @GNULIB_BTOWC@
109 # if @REPLACE_BTOWC@
110 # undef btowc
111 # define btowc rpl_btowc
112 # endif
113 # if !@HAVE_BTOWC@ || @REPLACE_BTOWC@
114 extern wint_t btowc (int c);
115 # endif
116 #elif defined GNULIB_POSIXCHECK
117 # undef btowc
118 # define btowc(c) \
119 (GL_LINK_WARNING ("btowc is unportable - " \
120 "use gnulib module btowc for portability"), \
121 btowc (c))
122 #endif
123
124
125 /* Convert a wide character to a single-byte character. */
126 #if @GNULIB_WCTOB@
127 # if @REPLACE_WCTOB@
128 # undef wctob
129 # define wctob rpl_wctob
130 # endif
131 # if (!defined wctob && !@HAVE_DECL_WCTOB@) || @REPLACE_WCTOB@
132 /* wctob is provided by gnulib, or wctob exists but is not declared. */
133 extern int wctob (wint_t wc);
134 # endif
135 #elif defined GNULIB_POSIXCHECK
136 # undef wctob
137 # define wctob(w) \
138 (GL_LINK_WARNING ("wctob is unportable - " \
139 "use gnulib module wctob for portability"), \
140 wctob (w))
141 #endif
142
143
144 /* Test whether *PS is in the initial state. */
145 #if @GNULIB_MBSINIT@
146 # if @REPLACE_MBSINIT@
147 # undef mbsinit
148 # define mbsinit rpl_mbsinit
149 # endif
150 # if !@HAVE_MBSINIT@ || @REPLACE_MBSINIT@
151 extern int mbsinit (const mbstate_t *ps);
152 # endif
153 #elif defined GNULIB_POSIXCHECK
154 # undef mbsinit
155 # define mbsinit(p) \
156 (GL_LINK_WARNING ("mbsinit is unportable - " \
157 "use gnulib module mbsinit for portability"), \
158 mbsinit (p))
159 #endif
160
161
162 /* Convert a multibyte character to a wide character. */
163 #if @GNULIB_MBRTOWC@
164 # if @REPLACE_MBRTOWC@
165 # undef mbrtowc
166 # define mbrtowc rpl_mbrtowc
167 # endif
168 # if !@HAVE_MBRTOWC@ || @REPLACE_MBRTOWC@
169 extern size_t mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
170 # endif
171 #elif defined GNULIB_POSIXCHECK
172 # undef mbrtowc
173 # define mbrtowc(w,s,n,p) \
174 (GL_LINK_WARNING ("mbrtowc is unportable - " \
175 "use gnulib module mbrtowc for portability"), \
176 mbrtowc (w, s, n, p))
177 #endif
178
179
180 /* Recognize a multibyte character. */
181 #if @GNULIB_MBRLEN@
182 # if @REPLACE_MBRLEN@
183 # undef mbrlen
184 # define mbrlen rpl_mbrlen
185 # endif
186 # if !@HAVE_MBRLEN@ || @REPLACE_MBRLEN@
187 extern size_t mbrlen (const char *s, size_t n, mbstate_t *ps);
188 # endif
189 #elif defined GNULIB_POSIXCHECK
190 # undef mbrlen
191 # define mbrlen(s,n,p) \
192 (GL_LINK_WARNING ("mbrlen is unportable - " \
193 "use gnulib module mbrlen for portability"), \
194 mbrlen (s, n, p))
195 #endif
196
197
198 /* Convert a string to a wide string. */
199 #if @GNULIB_MBSRTOWCS@
200 # if @REPLACE_MBSRTOWCS@
201 # undef mbsrtowcs
202 # define mbsrtowcs rpl_mbsrtowcs
203 # endif
204 # if !@HAVE_MBSRTOWCS@ || @REPLACE_MBSRTOWCS@
205 extern size_t mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
206 _GL_ARG_NONNULL ((2));
207 # endif
208 #elif defined GNULIB_POSIXCHECK
209 # undef mbsrtowcs
210 # define mbsrtowcs(d,s,l,p) \
211 (GL_LINK_WARNING ("mbsrtowcs is unportable - " \
212 "use gnulib module mbsrtowcs for portability"), \
213 mbsrtowcs (d, s, l, p))
214 #endif
215
216
217 /* Convert a string to a wide string. */
218 #if @GNULIB_MBSNRTOWCS@
219 # if @REPLACE_MBSNRTOWCS@
220 # undef mbsnrtowcs
221 # define mbsnrtowcs rpl_mbsnrtowcs
222 # endif
223 # if !@HAVE_MBSNRTOWCS@ || @REPLACE_MBSNRTOWCS@
224 extern size_t mbsnrtowcs (wchar_t *dest, const char **srcp, size_t srclen, size_t len, mbstate_t *ps)
225 _GL_ARG_NONNULL ((2));
226 # endif
227 #elif defined GNULIB_POSIXCHECK
228 # undef mbsnrtowcs
229 # define mbsnrtowcs(d,s,n,l,p) \
230 (GL_LINK_WARNING ("mbsnrtowcs is unportable - " \
231 "use gnulib module mbsnrtowcs for portability"), \
232 mbsnrtowcs (d, s, n, l, p))
233 #endif
234
235
236 /* Convert a wide character to a multibyte character. */
237 #if @GNULIB_WCRTOMB@
238 # if @REPLACE_WCRTOMB@
239 # undef wcrtomb
240 # define wcrtomb rpl_wcrtomb
241 # endif
242 # if !@HAVE_WCRTOMB@ || @REPLACE_WCRTOMB@
243 extern size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
244 # endif
245 #elif defined GNULIB_POSIXCHECK
246 # undef wcrtomb
247 # define wcrtomb(s,w,p) \
248 (GL_LINK_WARNING ("wcrtomb is unportable - " \
249 "use gnulib module wcrtomb for portability"), \
250 wcrtomb (s, w, p))
251 #endif
252
253
254 /* Convert a wide string to a string. */
255 #if @GNULIB_WCSRTOMBS@
256 # if @REPLACE_WCSRTOMBS@
257 # undef wcsrtombs
258 # define wcsrtombs rpl_wcsrtombs
259 # endif
260 # if !@HAVE_WCSRTOMBS@ || @REPLACE_WCSRTOMBS@
261 extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
262 _GL_ARG_NONNULL ((2));
263 # endif
264 #elif defined GNULIB_POSIXCHECK
265 # undef wcsrtombs
266 # define wcsrtombs(d,s,l,p) \
267 (GL_LINK_WARNING ("wcsrtombs is unportable - " \
268 "use gnulib module wcsrtombs for portability"), \
269 wcsrtombs (d, s, l, p))
270 #endif
271
272
273 /* Convert a wide string to a string. */
274 #if @GNULIB_WCSNRTOMBS@
275 # if @REPLACE_WCSNRTOMBS@
276 # undef wcsnrtombs
277 # define wcsnrtombs rpl_wcsnrtombs
278 # endif
279 # if !@HAVE_WCSNRTOMBS@ || @REPLACE_WCSNRTOMBS@
280 extern size_t wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps)
281 _GL_ARG_NONNULL ((2));
282 # endif
283 #elif defined GNULIB_POSIXCHECK
284 # undef wcsnrtombs
285 # define wcsnrtombs(d,s,n,l,p) \
286 (GL_LINK_WARNING ("wcsnrtombs is unportable - " \
287 "use gnulib module wcsnrtombs for portability"), \
288 wcsnrtombs (d, s, n, l, p))
289 #endif
290
291
292 /* Return the number of screen columns needed for WC. */
293 #if @GNULIB_WCWIDTH@
294 # if @REPLACE_WCWIDTH@
295 # undef wcwidth
296 # define wcwidth rpl_wcwidth
297 extern int wcwidth (wchar_t);
298 # else
299 # if !defined wcwidth && !@HAVE_DECL_WCWIDTH@
300 /* wcwidth exists but is not declared. */
301 extern int wcwidth (int /* actually wchar_t */);
302 # endif
303 # endif
304 #elif defined GNULIB_POSIXCHECK
305 # undef wcwidth
306 # define wcwidth(w) \
307 (GL_LINK_WARNING ("wcwidth is unportable - " \
308 "use gnulib module wcwidth for portability"), \
309 wcwidth (w))
310 #endif
311
312
313 #ifdef __cplusplus
314 }
315 #endif
316
317 #endif /* _GL_WCHAR_H */
318 #endif /* _GL_WCHAR_H */
319 #endif