1 /* Checking macros for wchar functions.
2 Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
19
20 #ifndef _WCHAR_H
21 # error "Never include <bits/wchar2.h> directly; use <wchar.h> instead."
22 #endif
23
24
25 extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
26 __const wchar_t *__restrict __s2, size_t __n,
27 size_t __ns1) __THROW;
28 extern wchar_t *__REDIRECT_NTH (__wmemcpy_alias,
29 (wchar_t *__restrict __s1,
30 __const wchar_t *__restrict __s2, size_t __n),
31 wmemcpy);
32 extern wchar_t *__REDIRECT_NTH (__wmemcpy_chk_warn,
33 (wchar_t *__restrict __s1,
34 __const wchar_t *__restrict __s2, size_t __n,
35 size_t __ns1), __wmemcpy_chk)
36 __warnattr ("wmemcpy called with length bigger than size of destination "
37 "buffer");
38
39 __extern_always_inline wchar_t *
__NTH(wmemcpy (wchar_t * __restrict __s1,__const wchar_t * __restrict __s2,size_t __n))40 __NTH (wmemcpy (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
41 size_t __n))
42 {
43 if (__bos0 (__s1) != (size_t) -1)
44 {
45 if (!__builtin_constant_p (__n))
46 return __wmemcpy_chk (__s1, __s2, __n,
47 __bos0 (__s1) / sizeof (wchar_t));
48
49 if (__n > __bos0 (__s1) / sizeof (wchar_t))
50 return __wmemcpy_chk_warn (__s1, __s2, __n,
51 __bos0 (__s1) / sizeof (wchar_t));
52 }
53 return __wmemcpy_alias (__s1, __s2, __n);
54 }
55
56
57 extern wchar_t *__wmemmove_chk (wchar_t *__s1, __const wchar_t *__s2,
58 size_t __n, size_t __ns1) __THROW;
59 extern wchar_t *__REDIRECT_NTH (__wmemmove_alias, (wchar_t *__s1,
60 __const wchar_t *__s2,
61 size_t __n), wmemmove);
62 extern wchar_t *__REDIRECT_NTH (__wmemmove_chk_warn,
63 (wchar_t *__restrict __s1,
64 __const wchar_t *__restrict __s2, size_t __n,
65 size_t __ns1), __wmemmove_chk)
66 __warnattr ("wmemmove called with length bigger than size of destination "
67 "buffer");
68
69 __extern_always_inline wchar_t *
__NTH(wmemmove (wchar_t * __restrict __s1,__const wchar_t * __restrict __s2,size_t __n))70 __NTH (wmemmove (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
71 size_t __n))
72 {
73 if (__bos0 (__s1) != (size_t) -1)
74 {
75 if (!__builtin_constant_p (__n))
76 return __wmemmove_chk (__s1, __s2, __n,
77 __bos0 (__s1) / sizeof (wchar_t));
78
79 if (__n > __bos0 (__s1) / sizeof (wchar_t))
80 return __wmemmove_chk_warn (__s1, __s2, __n,
81 __bos0 (__s1) / sizeof (wchar_t));
82 }
83 return __wmemmove_alias (__s1, __s2, __n);
84 }
85
86
87 #ifdef __USE_GNU
88 extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
89 __const wchar_t *__restrict __s2, size_t __n,
90 size_t __ns1) __THROW;
91 extern wchar_t *__REDIRECT_NTH (__wmempcpy_alias,
92 (wchar_t *__restrict __s1,
93 __const wchar_t *__restrict __s2,
94 size_t __n), wmempcpy);
95 extern wchar_t *__REDIRECT_NTH (__wmempcpy_chk_warn,
96 (wchar_t *__restrict __s1,
97 __const wchar_t *__restrict __s2, size_t __n,
98 size_t __ns1), __wmempcpy_chk)
99 __warnattr ("wmempcpy called with length bigger than size of destination "
100 "buffer");
101
102 __extern_always_inline wchar_t *
__NTH(wmempcpy (wchar_t * __restrict __s1,__const wchar_t * __restrict __s2,size_t __n))103 __NTH (wmempcpy (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
104 size_t __n))
105 {
106 if (__bos0 (__s1) != (size_t) -1)
107 {
108 if (!__builtin_constant_p (__n))
109 return __wmempcpy_chk (__s1, __s2, __n,
110 __bos0 (__s1) / sizeof (wchar_t));
111
112 if (__n > __bos0 (__s1) / sizeof (wchar_t))
113 return __wmempcpy_chk_warn (__s1, __s2, __n,
114 __bos0 (__s1) / sizeof (wchar_t));
115 }
116 return __wmempcpy_alias (__s1, __s2, __n);
117 }
118 #endif
119
120
121 extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
122 size_t __ns) __THROW;
123 extern wchar_t *__REDIRECT_NTH (__wmemset_alias, (wchar_t *__s, wchar_t __c,
124 size_t __n), wmemset);
125 extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn,
126 (wchar_t *__s, wchar_t __c, size_t __n,
127 size_t __ns), __wmemset_chk)
128 __warnattr ("wmemset called with length bigger than size of destination "
129 "buffer");
130
131 __extern_always_inline wchar_t *
__NTH(wmemset (wchar_t * __restrict __s,wchar_t __c,size_t __n))132 __NTH (wmemset (wchar_t *__restrict __s, wchar_t __c, size_t __n))
133 {
134 if (__bos0 (__s) != (size_t) -1)
135 {
136 if (!__builtin_constant_p (__n))
137 return __wmemset_chk (__s, __c, __n, __bos0 (__s) / sizeof (wchar_t));
138
139 if (__n > __bos0 (__s) / sizeof (wchar_t))
140 return __wmemset_chk_warn (__s, __c, __n,
141 __bos0 (__s) / sizeof (wchar_t));
142 }
143 return __wmemset_alias (__s, __c, __n);
144 }
145
146
147 extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
148 __const wchar_t *__restrict __src,
149 size_t __n) __THROW;
150 extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
151 (wchar_t *__restrict __dest,
152 __const wchar_t *__restrict __src), wcscpy);
153
154 __extern_always_inline wchar_t *
__NTH(wcscpy (wchar_t * __dest,__const wchar_t * __src))155 __NTH (wcscpy (wchar_t *__dest, __const wchar_t *__src))
156 {
157 if (__bos (__dest) != (size_t) -1)
158 return __wcscpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
159 return __wcscpy_alias (__dest, __src);
160 }
161
162
163 extern wchar_t *__wcpcpy_chk (wchar_t *__dest, __const wchar_t *__src,
164 size_t __destlen) __THROW;
165 extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias, (wchar_t *__dest,
166 __const wchar_t *__src),
167 wcpcpy);
168
169 __extern_always_inline wchar_t *
__NTH(wcpcpy (wchar_t * __dest,__const wchar_t * __src))170 __NTH (wcpcpy (wchar_t *__dest, __const wchar_t *__src))
171 {
172 if (__bos (__dest) != (size_t) -1)
173 return __wcpcpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
174 return __wcpcpy_alias (__dest, __src);
175 }
176
177
178 extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
179 __const wchar_t *__restrict __src, size_t __n,
180 size_t __destlen) __THROW;
181 extern wchar_t *__REDIRECT_NTH (__wcsncpy_alias,
182 (wchar_t *__restrict __dest,
183 __const wchar_t *__restrict __src,
184 size_t __n), wcsncpy);
185 extern wchar_t *__REDIRECT_NTH (__wcsncpy_chk_warn,
186 (wchar_t *__restrict __dest,
187 __const wchar_t *__restrict __src,
188 size_t __n, size_t __destlen), __wcsncpy_chk)
189 __warnattr ("wcsncpy called with length bigger than size of destination "
190 "buffer");
191
192 __extern_always_inline wchar_t *
__NTH(wcsncpy (wchar_t * __dest,__const wchar_t * __src,size_t __n))193 __NTH (wcsncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n))
194 {
195 if (__bos (__dest) != (size_t) -1)
196 {
197 if (!__builtin_constant_p (__n))
198 return __wcsncpy_chk (__dest, __src, __n,
199 __bos (__dest) / sizeof (wchar_t));
200 if (__n > __bos (__dest) / sizeof (wchar_t))
201 return __wcsncpy_chk_warn (__dest, __src, __n,
202 __bos (__dest) / sizeof (wchar_t));
203 }
204 return __wcsncpy_alias (__dest, __src, __n);
205 }
206
207
208 extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
209 __const wchar_t *__restrict __src, size_t __n,
210 size_t __destlen) __THROW;
211 extern wchar_t *__REDIRECT_NTH (__wcpncpy_alias,
212 (wchar_t *__restrict __dest,
213 __const wchar_t *__restrict __src,
214 size_t __n), wcpncpy);
215 extern wchar_t *__REDIRECT_NTH (__wcpncpy_chk_warn,
216 (wchar_t *__restrict __dest,
217 __const wchar_t *__restrict __src,
218 size_t __n, size_t __destlen), __wcpncpy_chk)
219 __warnattr ("wcpncpy called with length bigger than size of destination "
220 "buffer");
221
222 __extern_always_inline wchar_t *
__NTH(wcpncpy (wchar_t * __dest,__const wchar_t * __src,size_t __n))223 __NTH (wcpncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n))
224 {
225 if (__bos (__dest) != (size_t) -1)
226 {
227 if (!__builtin_constant_p (__n))
228 return __wcpncpy_chk (__dest, __src, __n,
229 __bos (__dest) / sizeof (wchar_t));
230 if (__n > __bos (__dest) / sizeof (wchar_t))
231 return __wcpncpy_chk_warn (__dest, __src, __n,
232 __bos (__dest) / sizeof (wchar_t));
233 }
234 return __wcpncpy_alias (__dest, __src, __n);
235 }
236
237
238 extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
239 __const wchar_t *__restrict __src,
240 size_t __destlen) __THROW;
241 extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
242 (wchar_t *__restrict __dest,
243 __const wchar_t *__restrict __src), wcscat);
244
245 __extern_always_inline wchar_t *
__NTH(wcscat (wchar_t * __dest,__const wchar_t * __src))246 __NTH (wcscat (wchar_t *__dest, __const wchar_t *__src))
247 {
248 if (__bos (__dest) != (size_t) -1)
249 return __wcscat_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
250 return __wcscat_alias (__dest, __src);
251 }
252
253
254 extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
255 __const wchar_t *__restrict __src,
256 size_t __n, size_t __destlen) __THROW;
257 extern wchar_t *__REDIRECT_NTH (__wcsncat_alias,
258 (wchar_t *__restrict __dest,
259 __const wchar_t *__restrict __src,
260 size_t __n), wcsncat);
261
262 __extern_always_inline wchar_t *
__NTH(wcsncat (wchar_t * __dest,__const wchar_t * __src,size_t __n))263 __NTH (wcsncat (wchar_t *__dest, __const wchar_t *__src, size_t __n))
264 {
265 if (__bos (__dest) != (size_t) -1)
266 return __wcsncat_chk (__dest, __src, __n,
267 __bos (__dest) / sizeof (wchar_t));
268 return __wcsncat_alias (__dest, __src, __n);
269 }
270
271
272 extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
273 int __flag, size_t __s_len,
274 __const wchar_t *__restrict __format, ...)
275 __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
276
277 extern int __REDIRECT_NTH_LDBL (__swprintf_alias,
278 (wchar_t *__restrict __s, size_t __n,
279 __const wchar_t *__restrict __fmt, ...),
280 swprintf);
281
282 #ifdef __va_arg_pack
283 __extern_always_inline int
__NTH(swprintf (wchar_t * __restrict __s,size_t __n,__const wchar_t * __restrict __fmt,...))284 __NTH (swprintf (wchar_t *__restrict __s, size_t __n,
285 __const wchar_t *__restrict __fmt, ...))
286 {
287 if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
288 return __swprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
289 __bos (__s) / sizeof (wchar_t),
290 __fmt, __va_arg_pack ());
291 return __swprintf_alias (__s, __n, __fmt, __va_arg_pack ());
292 }
293 #elif !defined __cplusplus
294 /* XXX We might want to have support in gcc for swprintf. */
295 # define swprintf(s, n, ...) \
296 (__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1 \
297 ? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, \
298 __bos (s) / sizeof (wchar_t), __VA_ARGS__) \
299 : swprintf (s, n, __VA_ARGS__))
300 #endif
301
302 extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
303 int __flag, size_t __s_len,
304 __const wchar_t *__restrict __format,
305 __gnuc_va_list __arg)
306 __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
307
308 extern int __REDIRECT_NTH_LDBL (__vswprintf_alias,
309 (wchar_t *__restrict __s, size_t __n,
310 __const wchar_t *__restrict __fmt,
311 __gnuc_va_list __ap), vswprintf);
312
313 __extern_always_inline int
__NTH(vswprintf (wchar_t * __restrict __s,size_t __n,__const wchar_t * __restrict __fmt,__gnuc_va_list __ap))314 __NTH (vswprintf (wchar_t *__restrict __s, size_t __n,
315 __const wchar_t *__restrict __fmt, __gnuc_va_list __ap))
316 {
317 if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
318 return __vswprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
319 __bos (__s) / sizeof (wchar_t), __fmt, __ap);
320 return __vswprintf_alias (__s, __n, __fmt, __ap);
321 }
322
323
324 #if __USE_FORTIFY_LEVEL > 1
325
326 extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
327 __const wchar_t *__restrict __format, ...);
328 extern int __wprintf_chk (int __flag, __const wchar_t *__restrict __format,
329 ...);
330 extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
331 __const wchar_t *__restrict __format,
332 __gnuc_va_list __ap);
333 extern int __vwprintf_chk (int __flag, __const wchar_t *__restrict __format,
334 __gnuc_va_list __ap);
335
336 # ifdef __va_arg_pack
337 __extern_always_inline int
wprintf(__const wchar_t * __restrict __fmt,...)338 wprintf (__const wchar_t *__restrict __fmt, ...)
339 {
340 return __wprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
341 }
342
343 __extern_always_inline int
fwprintf(__FILE * __restrict __stream,__const wchar_t * __restrict __fmt,...)344 fwprintf (__FILE *__restrict __stream, __const wchar_t *__restrict __fmt, ...)
345 {
346 return __fwprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
347 __va_arg_pack ());
348 }
349 # elif !defined __cplusplus
350 # define wprintf(...) \
351 __wprintf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
352 # define fwprintf(stream, ...) \
353 __fwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
354 # endif
355
356 __extern_always_inline int
vwprintf(__const wchar_t * __restrict __fmt,__gnuc_va_list __ap)357 vwprintf (__const wchar_t *__restrict __fmt, __gnuc_va_list __ap)
358 {
359 return __vwprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap);
360 }
361
362 __extern_always_inline int
vfwprintf(__FILE * __restrict __stream,__const wchar_t * __restrict __fmt,__gnuc_va_list __ap)363 vfwprintf (__FILE *__restrict __stream,
364 __const wchar_t *__restrict __fmt, __gnuc_va_list __ap)
365 {
366 return __vfwprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
367 }
368
369 #endif
370
371 extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
372 __FILE *__restrict __stream) __wur;
373 extern wchar_t *__REDIRECT (__fgetws_alias,
374 (wchar_t *__restrict __s, int __n,
375 __FILE *__restrict __stream), fgetws) __wur;
376 extern wchar_t *__REDIRECT (__fgetws_chk_warn,
377 (wchar_t *__restrict __s, size_t __size, int __n,
378 __FILE *__restrict __stream), __fgetws_chk)
379 __wur __warnattr ("fgetws called with bigger size than length "
380 "of destination buffer");
381
382 __extern_always_inline __wur wchar_t *
fgetws(wchar_t * __restrict __s,int __n,__FILE * __restrict __stream)383 fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
384 {
385 if (__bos (__s) != (size_t) -1)
386 {
387 if (!__builtin_constant_p (__n) || __n <= 0)
388 return __fgetws_chk (__s, __bos (__s) / sizeof (wchar_t),
389 __n, __stream);
390
391 if ((size_t) __n > __bos (__s) / sizeof (wchar_t))
392 return __fgetws_chk_warn (__s, __bos (__s) / sizeof (wchar_t),
393 __n, __stream);
394 }
395 return __fgetws_alias (__s, __n, __stream);
396 }
397
398 #ifdef __USE_GNU
399 extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
400 int __n, __FILE *__restrict __stream)
401 __wur;
402 extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
403 (wchar_t *__restrict __s, int __n,
404 __FILE *__restrict __stream), fgetws_unlocked)
405 __wur;
406 extern wchar_t *__REDIRECT (__fgetws_unlocked_chk_warn,
407 (wchar_t *__restrict __s, size_t __size, int __n,
408 __FILE *__restrict __stream),
409 __fgetws_unlocked_chk)
410 __wur __warnattr ("fgetws_unlocked called with bigger size than length "
411 "of destination buffer");
412
413 __extern_always_inline __wur wchar_t *
fgetws_unlocked(wchar_t * __restrict __s,int __n,__FILE * __restrict __stream)414 fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
415 {
416 if (__bos (__s) != (size_t) -1)
417 {
418 if (!__builtin_constant_p (__n) || __n <= 0)
419 return __fgetws_unlocked_chk (__s, __bos (__s) / sizeof (wchar_t),
420 __n, __stream);
421
422 if ((size_t) __n > __bos (__s) / sizeof (wchar_t))
423 return __fgetws_unlocked_chk_warn (__s, __bos (__s) / sizeof (wchar_t),
424 __n, __stream);
425 }
426 return __fgetws_unlocked_alias (__s, __n, __stream);
427 }
428 #endif
429
430
431 extern size_t __wcrtomb_chk (char *__s, wchar_t __wchar, mbstate_t *__p,
432 size_t __buflen) __THROW __wur;
433 extern size_t __REDIRECT_NTH (__wcrtomb_alias,
434 (char *__restrict __s, wchar_t __wchar,
435 mbstate_t *__restrict __ps), wcrtomb) __wur;
436
437 __extern_always_inline __wur size_t
__NTH(wcrtomb (char * __s,wchar_t __wchar,mbstate_t * __ps))438 __NTH (wcrtomb (char *__s, wchar_t __wchar, mbstate_t *__ps))
439 {
440 /* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
441 But this would only disturb the namespace. So we define our own
442 version here. */
443 #define __WCHAR_MB_LEN_MAX 16
444 #if defined MB_LEN_MAX && MB_LEN_MAX != __WCHAR_MB_LEN_MAX
445 # error "Assumed value of MB_LEN_MAX wrong"
446 #endif
447 if (__bos (__s) != (size_t) -1 && __WCHAR_MB_LEN_MAX > __bos (__s))
448 return __wcrtomb_chk (__s, __wchar, __ps, __bos (__s));
449 return __wcrtomb_alias (__s, __wchar, __ps);
450 }
451
452
453 extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
454 __const char **__restrict __src,
455 size_t __len, mbstate_t *__restrict __ps,
456 size_t __dstlen) __THROW;
457 extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
458 (wchar_t *__restrict __dst,
459 __const char **__restrict __src,
460 size_t __len, mbstate_t *__restrict __ps),
461 mbsrtowcs);
462 extern size_t __REDIRECT_NTH (__mbsrtowcs_chk_warn,
463 (wchar_t *__restrict __dst,
464 __const char **__restrict __src,
465 size_t __len, mbstate_t *__restrict __ps,
466 size_t __dstlen), __mbsrtowcs_chk)
467 __warnattr ("mbsrtowcs called with dst buffer smaller than len "
468 "* sizeof (wchar_t)");
469
470 __extern_always_inline size_t
__NTH(mbsrtowcs (wchar_t * __restrict __dst,__const char ** __restrict __src,size_t __len,mbstate_t * __restrict __ps))471 __NTH (mbsrtowcs (wchar_t *__restrict __dst, __const char **__restrict __src,
472 size_t __len, mbstate_t *__restrict __ps))
473 {
474 if (__bos (__dst) != (size_t) -1)
475 {
476 if (!__builtin_constant_p (__len))
477 return __mbsrtowcs_chk (__dst, __src, __len, __ps,
478 __bos (__dst) / sizeof (wchar_t));
479
480 if (__len > __bos (__dst) / sizeof (wchar_t))
481 return __mbsrtowcs_chk_warn (__dst, __src, __len, __ps,
482 __bos (__dst) / sizeof (wchar_t));
483 }
484 return __mbsrtowcs_alias (__dst, __src, __len, __ps);
485 }
486
487
488 extern size_t __wcsrtombs_chk (char *__restrict __dst,
489 __const wchar_t **__restrict __src,
490 size_t __len, mbstate_t *__restrict __ps,
491 size_t __dstlen) __THROW;
492 extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
493 (char *__restrict __dst,
494 __const wchar_t **__restrict __src,
495 size_t __len, mbstate_t *__restrict __ps),
496 wcsrtombs);
497 extern size_t __REDIRECT_NTH (__wcsrtombs_chk_warn,
498 (char *__restrict __dst,
499 __const wchar_t **__restrict __src,
500 size_t __len, mbstate_t *__restrict __ps,
501 size_t __dstlen), __wcsrtombs_chk)
502 __warnattr ("wcsrtombs called with dst buffer smaller than len");
503
504 __extern_always_inline size_t
__NTH(wcsrtombs (char * __restrict __dst,__const wchar_t ** __restrict __src,size_t __len,mbstate_t * __restrict __ps))505 __NTH (wcsrtombs (char *__restrict __dst, __const wchar_t **__restrict __src,
506 size_t __len, mbstate_t *__restrict __ps))
507 {
508 if (__bos (__dst) != (size_t) -1)
509 {
510 if (!__builtin_constant_p (__len))
511 return __wcsrtombs_chk (__dst, __src, __len, __ps, __bos (__dst));
512
513 if (__len > __bos (__dst))
514 return __wcsrtombs_chk_warn (__dst, __src, __len, __ps, __bos (__dst));
515 }
516 return __wcsrtombs_alias (__dst, __src, __len, __ps);
517 }
518
519
520 #ifdef __USE_GNU
521 extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
522 __const char **__restrict __src, size_t __nmc,
523 size_t __len, mbstate_t *__restrict __ps,
524 size_t __dstlen) __THROW;
525 extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
526 (wchar_t *__restrict __dst,
527 __const char **__restrict __src, size_t __nmc,
528 size_t __len, mbstate_t *__restrict __ps),
529 mbsnrtowcs);
530 extern size_t __REDIRECT_NTH (__mbsnrtowcs_chk_warn,
531 (wchar_t *__restrict __dst,
532 __const char **__restrict __src, size_t __nmc,
533 size_t __len, mbstate_t *__restrict __ps,
534 size_t __dstlen), __mbsnrtowcs_chk)
535 __warnattr ("mbsnrtowcs called with dst buffer smaller than len "
536 "* sizeof (wchar_t)");
537
538 __extern_always_inline size_t
__NTH(mbsnrtowcs (wchar_t * __restrict __dst,__const char ** __restrict __src,size_t __nmc,size_t __len,mbstate_t * __restrict __ps))539 __NTH (mbsnrtowcs (wchar_t *__restrict __dst, __const char **__restrict __src,
540 size_t __nmc, size_t __len, mbstate_t *__restrict __ps))
541 {
542 if (__bos (__dst) != (size_t) -1)
543 {
544 if (!__builtin_constant_p (__len))
545 return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps,
546 __bos (__dst) / sizeof (wchar_t));
547
548 if (__len > __bos (__dst) / sizeof (wchar_t))
549 return __mbsnrtowcs_chk_warn (__dst, __src, __nmc, __len, __ps,
550 __bos (__dst) / sizeof (wchar_t));
551 }
552 return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps);
553 }
554
555
556 extern size_t __wcsnrtombs_chk (char *__restrict __dst,
557 __const wchar_t **__restrict __src,
558 size_t __nwc, size_t __len,
559 mbstate_t *__restrict __ps, size_t __dstlen)
560 __THROW;
561 extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
562 (char *__restrict __dst,
563 __const wchar_t **__restrict __src,
564 size_t __nwc, size_t __len,
565 mbstate_t *__restrict __ps), wcsnrtombs);
566 extern size_t __REDIRECT_NTH (__wcsnrtombs_chk_warn,
567 (char *__restrict __dst,
568 __const wchar_t **__restrict __src,
569 size_t __nwc, size_t __len,
570 mbstate_t *__restrict __ps,
571 size_t __dstlen), __wcsnrtombs_chk)
572 __warnattr ("wcsnrtombs called with dst buffer smaller than len");
573
574 __extern_always_inline size_t
__NTH(wcsnrtombs (char * __restrict __dst,__const wchar_t ** __restrict __src,size_t __nwc,size_t __len,mbstate_t * __restrict __ps))575 __NTH (wcsnrtombs (char *__restrict __dst, __const wchar_t **__restrict __src,
576 size_t __nwc, size_t __len, mbstate_t *__restrict __ps))
577 {
578 if (__bos (__dst) != (size_t) -1)
579 {
580 if (!__builtin_constant_p (__len))
581 return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps,
582 __bos (__dst));
583
584 if (__len > __bos (__dst))
585 return __wcsnrtombs_chk_warn (__dst, __src, __nwc, __len, __ps,
586 __bos (__dst));
587 }
588 return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps);
589 }
590 #endif
591