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d614a753 | 1 | /* Copyright (C) 1995-2020 Free Software Foundation, Inc. |
b5791037 | 2 | This file is part of the GNU C Library. |
30de3b18 | 3 | |
b5791037 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
30de3b18 | 8 | |
b5791037 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
30de3b18 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
30de3b18 RM |
17 | |
18 | /* | |
d1646309 UD |
19 | * ISO C99 Standard: 7.24 |
20 | * Extended multibyte and wide character utilities <wchar.h> | |
30de3b18 RM |
21 | */ |
22 | ||
23 | #ifndef _WCHAR_H | |
199fc19d | 24 | #define _WCHAR_H 1 |
5107cf1d | 25 | |
199fc19d ZW |
26 | #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION |
27 | #include <bits/libc-header-start.h> | |
30de3b18 | 28 | |
45f39d45 PM |
29 | /* Gather machine dependent type support. */ |
30 | #include <bits/floatn.h> | |
31 | ||
199fc19d ZW |
32 | #define __need_size_t |
33 | #define __need_wchar_t | |
34 | #define __need_NULL | |
35 | #include <stddef.h> | |
30de3b18 | 36 | |
199fc19d ZW |
37 | #define __need___va_list |
38 | #include <stdarg.h> | |
7b503bcc | 39 | |
199fc19d ZW |
40 | #include <bits/wchar.h> |
41 | #include <bits/types/wint_t.h> | |
42 | #include <bits/types/mbstate_t.h> | |
43 | #include <bits/types/__FILE.h> | |
9ac9129d | 44 | |
199fc19d ZW |
45 | #if defined __USE_UNIX98 || defined __USE_XOPEN2K |
46 | # include <bits/types/FILE.h> | |
71a40c74 | 47 | #endif |
f0be25b6 ZW |
48 | #ifdef __USE_XOPEN2K8 |
49 | # include <bits/types/locale_t.h> | |
50 | #endif | |
71a40c74 | 51 | |
199fc19d ZW |
52 | /* Tell the caller that we provide correct C++ prototypes. */ |
53 | #if defined __cplusplus && __GNUC_PREREQ (4, 4) | |
54 | # define __CORRECT_ISO_CPP_WCHAR_H_PROTO | |
d64b6ad0 | 55 | #endif |
db6af3eb | 56 | |
cc3fa755 UD |
57 | #ifndef WCHAR_MIN |
58 | /* These constants might also be defined in <inttypes.h>. */ | |
417bafec UD |
59 | # define WCHAR_MIN __WCHAR_MIN |
60 | # define WCHAR_MAX __WCHAR_MAX | |
cc3fa755 | 61 | #endif |
30de3b18 RM |
62 | |
63 | #ifndef WEOF | |
64 | # define WEOF (0xffffffffu) | |
65 | #endif | |
66 | ||
199fc19d ZW |
67 | /* All versions of XPG prior to the publication of ISO C99 required |
68 | the bulk of <wctype.h>'s declarations to appear in this header | |
69 | (because <wctype.h> did not exist prior to C99). In POSIX.1-2001 | |
70 | those declarations were marked as XSI extensions; in -2008 they | |
71 | were additionally marked as obsolescent. _GNU_SOURCE mode | |
72 | anticipates the removal of these declarations in the next revision | |
73 | of POSIX. */ | |
74 | #if (defined __USE_XOPEN && !defined __USE_GNU \ | |
75 | && !(defined __USE_XOPEN2K && !defined __USE_XOPEN2KXSI)) | |
76 | # include <bits/wctype-wchar.h> | |
e918a7fe UD |
77 | #endif |
78 | ||
7a5affeb UD |
79 | __BEGIN_DECLS |
80 | ||
9756dfe1 UD |
81 | /* This incomplete type is defined in <time.h> but needed here because |
82 | of `wcsftime'. */ | |
83 | struct tm; | |
84 | ||
85 | ||
30de3b18 | 86 | /* Copy SRC to DEST. */ |
c1422e5b | 87 | extern wchar_t *wcscpy (wchar_t *__restrict __dest, |
a6ab6ccd DM |
88 | const wchar_t *__restrict __src) |
89 | __THROW __nonnull ((1, 2)); | |
90 | ||
30de3b18 | 91 | /* Copy no more than N wide-characters of SRC to DEST. */ |
c1422e5b | 92 | extern wchar_t *wcsncpy (wchar_t *__restrict __dest, |
a784e502 | 93 | const wchar_t *__restrict __src, size_t __n) |
a6ab6ccd | 94 | __THROW __nonnull ((1, 2)); |
30de3b18 RM |
95 | |
96 | /* Append SRC onto DEST. */ | |
c1422e5b | 97 | extern wchar_t *wcscat (wchar_t *__restrict __dest, |
aeb47bbc DM |
98 | const wchar_t *__restrict __src) |
99 | __THROW __nonnull ((1, 2)); | |
30de3b18 | 100 | /* Append no more than N wide-characters of SRC onto DEST. */ |
c1422e5b | 101 | extern wchar_t *wcsncat (wchar_t *__restrict __dest, |
a784e502 | 102 | const wchar_t *__restrict __src, size_t __n) |
aeb47bbc | 103 | __THROW __nonnull ((1, 2)); |
30de3b18 RM |
104 | |
105 | /* Compare S1 and S2. */ | |
a784e502 | 106 | extern int wcscmp (const wchar_t *__s1, const wchar_t *__s2) |
aeb47bbc | 107 | __THROW __attribute_pure__ __nonnull ((1, 2)); |
30de3b18 | 108 | /* Compare N wide-characters of S1 and S2. */ |
a784e502 | 109 | extern int wcsncmp (const wchar_t *__s1, const wchar_t *__s2, size_t __n) |
aeb47bbc | 110 | __THROW __attribute_pure__ __nonnull ((1, 2)); |
30de3b18 | 111 | |
6cbe890a | 112 | #ifdef __USE_XOPEN2K8 |
2f6d1f1b | 113 | /* Compare S1 and S2, ignoring case. */ |
a784e502 | 114 | extern int wcscasecmp (const wchar_t *__s1, const wchar_t *__s2) __THROW; |
2f6d1f1b UD |
115 | |
116 | /* Compare no more than N chars of S1 and S2, ignoring case. */ | |
a784e502 | 117 | extern int wcsncasecmp (const wchar_t *__s1, const wchar_t *__s2, |
c1422e5b | 118 | size_t __n) __THROW; |
0501d603 UD |
119 | |
120 | /* Similar to the two functions above but take the information from | |
121 | the provided locale and not the global locale. */ | |
a784e502 | 122 | extern int wcscasecmp_l (const wchar_t *__s1, const wchar_t *__s2, |
af85385f | 123 | locale_t __loc) __THROW; |
0501d603 | 124 | |
a784e502 | 125 | extern int wcsncasecmp_l (const wchar_t *__s1, const wchar_t *__s2, |
af85385f | 126 | size_t __n, locale_t __loc) __THROW; |
2f6d1f1b UD |
127 | #endif |
128 | ||
75cd5204 RM |
129 | /* Compare S1 and S2, both interpreted as appropriate to the |
130 | LC_COLLATE category of the current locale. */ | |
a784e502 | 131 | extern int wcscoll (const wchar_t *__s1, const wchar_t *__s2) __THROW; |
75cd5204 RM |
132 | /* Transform S2 into array pointed to by S1 such that if wcscmp is |
133 | applied to two transformed strings the result is the as applying | |
134 | `wcscoll' to the original strings. */ | |
c1422e5b | 135 | extern size_t wcsxfrm (wchar_t *__restrict __s1, |
a784e502 | 136 | const wchar_t *__restrict __s2, size_t __n) __THROW; |
75cd5204 | 137 | |
6cbe890a | 138 | #ifdef __USE_XOPEN2K8 |
c84142e8 UD |
139 | /* Similar to the two functions above but take the information from |
140 | the provided locale and not the global locale. */ | |
c84142e8 UD |
141 | |
142 | /* Compare S1 and S2, both interpreted as appropriate to the | |
143 | LC_COLLATE category of the given locale. */ | |
a784e502 | 144 | extern int wcscoll_l (const wchar_t *__s1, const wchar_t *__s2, |
af85385f | 145 | locale_t __loc) __THROW; |
1ab62b32 | 146 | |
c84142e8 UD |
147 | /* Transform S2 into array pointed to by S1 such that if wcscmp is |
148 | applied to two transformed strings the result is the as applying | |
149 | `wcscoll' to the original strings. */ | |
a784e502 | 150 | extern size_t wcsxfrm_l (wchar_t *__s1, const wchar_t *__s2, |
af85385f | 151 | size_t __n, locale_t __loc) __THROW; |
c84142e8 | 152 | |
30de3b18 | 153 | /* Duplicate S, returning an identical malloc'd string. */ |
a784e502 | 154 | extern wchar_t *wcsdup (const wchar_t *__s) __THROW __attribute_malloc__; |
1618c590 | 155 | #endif |
30de3b18 | 156 | |
6d52618b | 157 | /* Find the first occurrence of WC in WCS. */ |
d8387c7b UD |
158 | #ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
159 | extern "C++" wchar_t *wcschr (wchar_t *__wcs, wchar_t __wc) | |
160 | __THROW __asm ("wcschr") __attribute_pure__; | |
a784e502 | 161 | extern "C++" const wchar_t *wcschr (const wchar_t *__wcs, wchar_t __wc) |
9ac9129d | 162 | __THROW __asm ("wcschr") __attribute_pure__; |
d8387c7b | 163 | #else |
a784e502 | 164 | extern wchar_t *wcschr (const wchar_t *__wcs, wchar_t __wc) |
fb4dfa0c | 165 | __THROW __attribute_pure__; |
d8387c7b | 166 | #endif |
6d52618b | 167 | /* Find the last occurrence of WC in WCS. */ |
d8387c7b UD |
168 | #ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
169 | extern "C++" wchar_t *wcsrchr (wchar_t *__wcs, wchar_t __wc) | |
170 | __THROW __asm ("wcsrchr") __attribute_pure__; | |
a784e502 | 171 | extern "C++" const wchar_t *wcsrchr (const wchar_t *__wcs, wchar_t __wc) |
d8387c7b UD |
172 | __THROW __asm ("wcsrchr") __attribute_pure__; |
173 | #else | |
a784e502 | 174 | extern wchar_t *wcsrchr (const wchar_t *__wcs, wchar_t __wc) |
fb4dfa0c | 175 | __THROW __attribute_pure__; |
d8387c7b | 176 | #endif |
30de3b18 | 177 | |
d64b6ad0 | 178 | #ifdef __USE_GNU |
557a9213 | 179 | /* This function is similar to `wcschr'. But it returns a pointer to |
d64b6ad0 | 180 | the closing NUL wide character in case C is not found in S. */ |
a784e502 | 181 | extern wchar_t *wcschrnul (const wchar_t *__s, wchar_t __wc) |
fb4dfa0c | 182 | __THROW __attribute_pure__; |
d64b6ad0 UD |
183 | #endif |
184 | ||
30de3b18 | 185 | /* Return the length of the initial segmet of WCS which |
1618c590 | 186 | consists entirely of wide characters not in REJECT. */ |
a784e502 | 187 | extern size_t wcscspn (const wchar_t *__wcs, const wchar_t *__reject) |
fb4dfa0c | 188 | __THROW __attribute_pure__; |
30de3b18 | 189 | /* Return the length of the initial segmet of WCS which |
1618c590 | 190 | consists entirely of wide characters in ACCEPT. */ |
a784e502 | 191 | extern size_t wcsspn (const wchar_t *__wcs, const wchar_t *__accept) |
fb4dfa0c | 192 | __THROW __attribute_pure__; |
6d52618b | 193 | /* Find the first occurrence in WCS of any character in ACCEPT. */ |
d8387c7b | 194 | #ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
a784e502 | 195 | extern "C++" wchar_t *wcspbrk (wchar_t *__wcs, const wchar_t *__accept) |
d8387c7b | 196 | __THROW __asm ("wcspbrk") __attribute_pure__; |
a784e502 UD |
197 | extern "C++" const wchar_t *wcspbrk (const wchar_t *__wcs, |
198 | const wchar_t *__accept) | |
d8387c7b UD |
199 | __THROW __asm ("wcspbrk") __attribute_pure__; |
200 | #else | |
a784e502 | 201 | extern wchar_t *wcspbrk (const wchar_t *__wcs, const wchar_t *__accept) |
fb4dfa0c | 202 | __THROW __attribute_pure__; |
d8387c7b | 203 | #endif |
6d52618b | 204 | /* Find the first occurrence of NEEDLE in HAYSTACK. */ |
d8387c7b | 205 | #ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
a784e502 | 206 | extern "C++" wchar_t *wcsstr (wchar_t *__haystack, const wchar_t *__needle) |
d8387c7b | 207 | __THROW __asm ("wcsstr") __attribute_pure__; |
a784e502 UD |
208 | extern "C++" const wchar_t *wcsstr (const wchar_t *__haystack, |
209 | const wchar_t *__needle) | |
d8387c7b UD |
210 | __THROW __asm ("wcsstr") __attribute_pure__; |
211 | #else | |
a784e502 | 212 | extern wchar_t *wcsstr (const wchar_t *__haystack, const wchar_t *__needle) |
fb4dfa0c | 213 | __THROW __attribute_pure__; |
d8387c7b | 214 | #endif |
e918a7fe | 215 | |
30de3b18 | 216 | /* Divide WCS into tokens separated by characters in DELIM. */ |
c1422e5b | 217 | extern wchar_t *wcstok (wchar_t *__restrict __s, |
a784e502 | 218 | const wchar_t *__restrict __delim, |
c1422e5b | 219 | wchar_t **__restrict __ptr) __THROW; |
30de3b18 | 220 | |
1618c590 | 221 | /* Return the number of wide characters in S. */ |
a784e502 | 222 | extern size_t wcslen (const wchar_t *__s) __THROW __attribute_pure__; |
7a5affeb UD |
223 | |
224 | #ifdef __USE_XOPEN | |
225 | /* Another name for `wcsstr' from XPG4. */ | |
d8387c7b | 226 | # ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
a784e502 | 227 | extern "C++" wchar_t *wcswcs (wchar_t *__haystack, const wchar_t *__needle) |
d8387c7b | 228 | __THROW __asm ("wcswcs") __attribute_pure__; |
a784e502 UD |
229 | extern "C++" const wchar_t *wcswcs (const wchar_t *__haystack, |
230 | const wchar_t *__needle) | |
d8387c7b UD |
231 | __THROW __asm ("wcswcs") __attribute_pure__; |
232 | # else | |
a784e502 | 233 | extern wchar_t *wcswcs (const wchar_t *__haystack, const wchar_t *__needle) |
7a5affeb | 234 | __THROW __attribute_pure__; |
d8387c7b | 235 | # endif |
7a5affeb | 236 | #endif |
30de3b18 | 237 | |
6cbe890a | 238 | #ifdef __USE_XOPEN2K8 |
4bca4c17 | 239 | /* Return the number of wide characters in S, but at most MAXLEN. */ |
a784e502 | 240 | extern size_t wcsnlen (const wchar_t *__s, size_t __maxlen) |
fb4dfa0c | 241 | __THROW __attribute_pure__; |
4bca4c17 UD |
242 | #endif |
243 | ||
30de3b18 | 244 | |
1618c590 | 245 | /* Search N wide characters of S for C. */ |
d8387c7b UD |
246 | #ifdef __CORRECT_ISO_CPP_WCHAR_H_PROTO |
247 | extern "C++" wchar_t *wmemchr (wchar_t *__s, wchar_t __c, size_t __n) | |
248 | __THROW __asm ("wmemchr") __attribute_pure__; | |
a784e502 UD |
249 | extern "C++" const wchar_t *wmemchr (const wchar_t *__s, wchar_t __c, |
250 | size_t __n) | |
d8387c7b UD |
251 | __THROW __asm ("wmemchr") __attribute_pure__; |
252 | #else | |
a784e502 | 253 | extern wchar_t *wmemchr (const wchar_t *__s, wchar_t __c, size_t __n) |
fb4dfa0c | 254 | __THROW __attribute_pure__; |
d8387c7b | 255 | #endif |
30de3b18 | 256 | |
1618c590 | 257 | /* Compare N wide characters of S1 and S2. */ |
a784e502 | 258 | extern int wmemcmp (const wchar_t *__s1, const wchar_t *__s2, size_t __n) |
fb4dfa0c | 259 | __THROW __attribute_pure__; |
30de3b18 | 260 | |
1618c590 | 261 | /* Copy N wide characters of SRC to DEST. */ |
c1422e5b | 262 | extern wchar_t *wmemcpy (wchar_t *__restrict __s1, |
a784e502 | 263 | const wchar_t *__restrict __s2, size_t __n) __THROW; |
30de3b18 | 264 | |
1618c590 | 265 | /* Copy N wide characters of SRC to DEST, guaranteeing |
30de3b18 | 266 | correct behavior for overlapping strings. */ |
a784e502 | 267 | extern wchar_t *wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n) |
c1422e5b | 268 | __THROW; |
30de3b18 | 269 | |
1618c590 | 270 | /* Set N wide characters of S to C. */ |
c1422e5b | 271 | extern wchar_t *wmemset (wchar_t *__s, wchar_t __c, size_t __n) __THROW; |
30de3b18 | 272 | |
d64b6ad0 UD |
273 | #ifdef __USE_GNU |
274 | /* Copy N wide characters of SRC to DEST and return pointer to following | |
275 | wide character. */ | |
c1422e5b | 276 | extern wchar_t *wmempcpy (wchar_t *__restrict __s1, |
a784e502 | 277 | const wchar_t *__restrict __s2, size_t __n) |
c1422e5b | 278 | __THROW; |
d64b6ad0 UD |
279 | #endif |
280 | ||
30de3b18 RM |
281 | |
282 | /* Determine whether C constitutes a valid (one-byte) multibyte | |
283 | character. */ | |
c1422e5b | 284 | extern wint_t btowc (int __c) __THROW; |
30de3b18 RM |
285 | |
286 | /* Determine whether C corresponds to a member of the extended | |
287 | character set whose multibyte representation is a single byte. */ | |
c1422e5b | 288 | extern int wctob (wint_t __c) __THROW; |
30de3b18 RM |
289 | |
290 | /* Determine whether PS points to an object representing the initial | |
291 | state. */ | |
a784e502 | 292 | extern int mbsinit (const mbstate_t *__ps) __THROW __attribute_pure__; |
30de3b18 | 293 | |
30de3b18 RM |
294 | /* Write wide character representation of multibyte character pointed |
295 | to by S to PWC. */ | |
c1422e5b | 296 | extern size_t mbrtowc (wchar_t *__restrict __pwc, |
a784e502 | 297 | const char *__restrict __s, size_t __n, |
dadebdae | 298 | mbstate_t *__restrict __p) __THROW; |
30de3b18 RM |
299 | |
300 | /* Write multibyte representation of wide character WC to S. */ | |
c1422e5b UD |
301 | extern size_t wcrtomb (char *__restrict __s, wchar_t __wc, |
302 | mbstate_t *__restrict __ps) __THROW; | |
30de3b18 | 303 | |
07a4742f | 304 | /* Return number of bytes in multibyte character pointed to by S. */ |
a784e502 | 305 | extern size_t __mbrlen (const char *__restrict __s, size_t __n, |
c1422e5b | 306 | mbstate_t *__restrict __ps) __THROW; |
a784e502 | 307 | extern size_t mbrlen (const char *__restrict __s, size_t __n, |
c1422e5b | 308 | mbstate_t *__restrict __ps) __THROW; |
07a4742f | 309 | |
07c416ed | 310 | #ifdef __USE_EXTERN_INLINES |
07a4742f | 311 | /* Define inline function as optimization. */ |
91682d70 UD |
312 | |
313 | /* We can use the BTOWC and WCTOB optimizations since we know that all | |
314 | locales must use ASCII encoding for the values in the ASCII range | |
315 | and because the wchar_t encoding is always ISO 10646. */ | |
316 | extern wint_t __btowc_alias (int __c) __asm ("btowc"); | |
b037a293 | 317 | __extern_inline wint_t |
91682d70 UD |
318 | __NTH (btowc (int __c)) |
319 | { return (__builtin_constant_p (__c) && __c >= '\0' && __c <= '\x7f' | |
320 | ? (wint_t) __c : __btowc_alias (__c)); } | |
321 | ||
322 | extern int __wctob_alias (wint_t __c) __asm ("wctob"); | |
b037a293 | 323 | __extern_inline int |
91682d70 UD |
324 | __NTH (wctob (wint_t __wc)) |
325 | { return (__builtin_constant_p (__wc) && __wc >= L'\0' && __wc <= L'\x7f' | |
326 | ? (int) __wc : __wctob_alias (__wc)); } | |
327 | ||
b037a293 | 328 | __extern_inline size_t |
a784e502 | 329 | __NTH (mbrlen (const char *__restrict __s, size_t __n, |
f377d022 | 330 | mbstate_t *__restrict __ps)) |
2f6d1f1b | 331 | { return (__ps != NULL |
bdbf022d | 332 | ? mbrtowc (NULL, __s, __n, __ps) : __mbrlen (__s, __n, NULL)); } |
07a4742f RM |
333 | #endif |
334 | ||
036cc82f RM |
335 | /* Write wide character representation of multibyte character string |
336 | SRC to DST. */ | |
c1422e5b | 337 | extern size_t mbsrtowcs (wchar_t *__restrict __dst, |
a784e502 | 338 | const char **__restrict __src, size_t __len, |
c1422e5b | 339 | mbstate_t *__restrict __ps) __THROW; |
30de3b18 RM |
340 | |
341 | /* Write multibyte character representation of wide character string | |
342 | SRC to DST. */ | |
c1422e5b | 343 | extern size_t wcsrtombs (char *__restrict __dst, |
a784e502 | 344 | const wchar_t **__restrict __src, size_t __len, |
c1422e5b | 345 | mbstate_t *__restrict __ps) __THROW; |
30de3b18 | 346 | |
75cd5204 | 347 | |
6cbe890a | 348 | #ifdef __USE_XOPEN2K8 |
036cc82f RM |
349 | /* Write wide character representation of at most NMC bytes of the |
350 | multibyte character string SRC to DST. */ | |
c1422e5b | 351 | extern size_t mbsnrtowcs (wchar_t *__restrict __dst, |
a784e502 | 352 | const char **__restrict __src, size_t __nmc, |
c1422e5b | 353 | size_t __len, mbstate_t *__restrict __ps) __THROW; |
036cc82f RM |
354 | |
355 | /* Write multibyte character representation of at most NWC characters | |
356 | from the wide character string SRC to DST. */ | |
c1422e5b | 357 | extern size_t wcsnrtombs (char *__restrict __dst, |
a784e502 | 358 | const wchar_t **__restrict __src, |
c1422e5b UD |
359 | size_t __nwc, size_t __len, |
360 | mbstate_t *__restrict __ps) __THROW; | |
6cbe890a | 361 | #endif /* use POSIX 2008 */ |
e34b0f29 | 362 | |
036cc82f | 363 | |
75cd5204 | 364 | /* The following functions are extensions found in X/Open CAE. */ |
9756dfe1 | 365 | #ifdef __USE_XOPEN |
75cd5204 | 366 | /* Determine number of column positions required for C. */ |
b6d64fb0 | 367 | extern int wcwidth (wchar_t __c) __THROW; |
75cd5204 RM |
368 | |
369 | /* Determine number of column positions required for first N wide | |
370 | characters (or fewer if S ends before this) in S. */ | |
a784e502 | 371 | extern int wcswidth (const wchar_t *__s, size_t __n) __THROW; |
9756dfe1 | 372 | #endif /* Use X/Open. */ |
75cd5204 RM |
373 | |
374 | ||
375 | /* Convert initial portion of the wide string NPTR to `double' | |
376 | representation. */ | |
a784e502 | 377 | extern double wcstod (const wchar_t *__restrict __nptr, |
c1422e5b | 378 | wchar_t **__restrict __endptr) __THROW; |
75cd5204 | 379 | |
ec751a23 | 380 | #ifdef __USE_ISOC99 |
75cd5204 | 381 | /* Likewise for `float' and `long double' sizes of floating-point numbers. */ |
a784e502 | 382 | extern float wcstof (const wchar_t *__restrict __nptr, |
c1422e5b | 383 | wchar_t **__restrict __endptr) __THROW; |
a784e502 | 384 | extern long double wcstold (const wchar_t *__restrict __nptr, |
c1422e5b | 385 | wchar_t **__restrict __endptr) __THROW; |
91bc38d0 | 386 | #endif /* C99 */ |
75cd5204 | 387 | |
43ddff2e JM |
388 | /* Likewise for `_FloatN' and `_FloatNx' when support is enabled. */ |
389 | ||
390 | #if __HAVE_FLOAT16 && defined __USE_GNU | |
391 | extern _Float16 wcstof16 (const wchar_t *__restrict __nptr, | |
392 | wchar_t **__restrict __endptr) __THROW; | |
393 | #endif | |
394 | ||
395 | #if __HAVE_FLOAT32 && defined __USE_GNU | |
396 | extern _Float32 wcstof32 (const wchar_t *__restrict __nptr, | |
397 | wchar_t **__restrict __endptr) __THROW; | |
398 | #endif | |
399 | ||
400 | #if __HAVE_FLOAT64 && defined __USE_GNU | |
401 | extern _Float64 wcstof64 (const wchar_t *__restrict __nptr, | |
402 | wchar_t **__restrict __endptr) __THROW; | |
403 | #endif | |
404 | ||
45f39d45 PM |
405 | #if __HAVE_FLOAT128 && defined __USE_GNU |
406 | extern _Float128 wcstof128 (const wchar_t *__restrict __nptr, | |
407 | wchar_t **__restrict __endptr) __THROW; | |
408 | #endif | |
409 | ||
43ddff2e JM |
410 | #if __HAVE_FLOAT32X && defined __USE_GNU |
411 | extern _Float32x wcstof32x (const wchar_t *__restrict __nptr, | |
412 | wchar_t **__restrict __endptr) __THROW; | |
413 | #endif | |
414 | ||
415 | #if __HAVE_FLOAT64X && defined __USE_GNU | |
416 | extern _Float64x wcstof64x (const wchar_t *__restrict __nptr, | |
417 | wchar_t **__restrict __endptr) __THROW; | |
418 | #endif | |
419 | ||
420 | #if __HAVE_FLOAT128X && defined __USE_GNU | |
421 | extern _Float128x wcstof128x (const wchar_t *__restrict __nptr, | |
422 | wchar_t **__restrict __endptr) __THROW; | |
423 | #endif | |
424 | ||
75cd5204 RM |
425 | |
426 | /* Convert initial portion of wide string NPTR to `long int' | |
427 | representation. */ | |
a784e502 | 428 | extern long int wcstol (const wchar_t *__restrict __nptr, |
c1422e5b | 429 | wchar_t **__restrict __endptr, int __base) __THROW; |
75cd5204 RM |
430 | |
431 | /* Convert initial portion of wide string NPTR to `unsigned long int' | |
432 | representation. */ | |
a784e502 | 433 | extern unsigned long int wcstoul (const wchar_t *__restrict __nptr, |
c1422e5b UD |
434 | wchar_t **__restrict __endptr, int __base) |
435 | __THROW; | |
75cd5204 | 436 | |
fed0faa1 | 437 | #ifdef __USE_ISOC99 |
9e6e344e | 438 | /* Convert initial portion of wide string NPTR to `long long int' |
75cd5204 | 439 | representation. */ |
7782d0bf | 440 | __extension__ |
a784e502 | 441 | extern long long int wcstoll (const wchar_t *__restrict __nptr, |
7a5affeb | 442 | wchar_t **__restrict __endptr, int __base) |
c1422e5b | 443 | __THROW; |
75cd5204 RM |
444 | |
445 | /* Convert initial portion of wide string NPTR to `unsigned long long int' | |
446 | representation. */ | |
7782d0bf | 447 | __extension__ |
a784e502 | 448 | extern unsigned long long int wcstoull (const wchar_t *__restrict __nptr, |
7a5affeb UD |
449 | wchar_t **__restrict __endptr, |
450 | int __base) __THROW; | |
fed0faa1 | 451 | #endif /* ISO C99. */ |
75cd5204 | 452 | |
fed0faa1 | 453 | #ifdef __USE_GNU |
9e6e344e | 454 | /* Convert initial portion of wide string NPTR to `long long int' |
2f6d1f1b | 455 | representation. */ |
7782d0bf | 456 | __extension__ |
a784e502 | 457 | extern long long int wcstoq (const wchar_t *__restrict __nptr, |
7a5affeb | 458 | wchar_t **__restrict __endptr, int __base) |
c1422e5b | 459 | __THROW; |
2f6d1f1b UD |
460 | |
461 | /* Convert initial portion of wide string NPTR to `unsigned long long int' | |
462 | representation. */ | |
7782d0bf | 463 | __extension__ |
a784e502 | 464 | extern unsigned long long int wcstouq (const wchar_t *__restrict __nptr, |
7a5affeb UD |
465 | wchar_t **__restrict __endptr, |
466 | int __base) __THROW; | |
fed0faa1 | 467 | #endif /* Use GNU. */ |
2f6d1f1b | 468 | |
0501d603 | 469 | #ifdef __USE_GNU |
f0be25b6 ZW |
470 | /* Parallel versions of the functions above which take the locale to |
471 | use as an additional parameter. These are GNU extensions inspired | |
472 | by the POSIX.1-2008 extended locale API. */ | |
a784e502 | 473 | extern long int wcstol_l (const wchar_t *__restrict __nptr, |
1ab62b32 | 474 | wchar_t **__restrict __endptr, int __base, |
af85385f | 475 | locale_t __loc) __THROW; |
0501d603 | 476 | |
a784e502 | 477 | extern unsigned long int wcstoul_l (const wchar_t *__restrict __nptr, |
1ab62b32 | 478 | wchar_t **__restrict __endptr, |
af85385f | 479 | int __base, locale_t __loc) __THROW; |
0501d603 | 480 | |
7782d0bf | 481 | __extension__ |
a784e502 | 482 | extern long long int wcstoll_l (const wchar_t *__restrict __nptr, |
1ab62b32 | 483 | wchar_t **__restrict __endptr, |
af85385f | 484 | int __base, locale_t __loc) __THROW; |
0501d603 | 485 | |
7782d0bf | 486 | __extension__ |
a784e502 | 487 | extern unsigned long long int wcstoull_l (const wchar_t *__restrict __nptr, |
1ab62b32 | 488 | wchar_t **__restrict __endptr, |
af85385f | 489 | int __base, locale_t __loc) |
1ab62b32 | 490 | __THROW; |
0501d603 | 491 | |
a784e502 | 492 | extern double wcstod_l (const wchar_t *__restrict __nptr, |
af85385f | 493 | wchar_t **__restrict __endptr, locale_t __loc) |
1ab62b32 | 494 | __THROW; |
0501d603 | 495 | |
a784e502 | 496 | extern float wcstof_l (const wchar_t *__restrict __nptr, |
af85385f | 497 | wchar_t **__restrict __endptr, locale_t __loc) |
1ab62b32 | 498 | __THROW; |
0501d603 | 499 | |
a784e502 | 500 | extern long double wcstold_l (const wchar_t *__restrict __nptr, |
1ab62b32 | 501 | wchar_t **__restrict __endptr, |
af85385f | 502 | locale_t __loc) __THROW; |
45f39d45 | 503 | |
43ddff2e JM |
504 | # if __HAVE_FLOAT16 |
505 | extern _Float16 wcstof16_l (const wchar_t *__restrict __nptr, | |
506 | wchar_t **__restrict __endptr, | |
507 | locale_t __loc) __THROW; | |
508 | # endif | |
509 | ||
510 | # if __HAVE_FLOAT32 | |
511 | extern _Float32 wcstof32_l (const wchar_t *__restrict __nptr, | |
512 | wchar_t **__restrict __endptr, | |
513 | locale_t __loc) __THROW; | |
514 | # endif | |
515 | ||
516 | # if __HAVE_FLOAT64 | |
517 | extern _Float64 wcstof64_l (const wchar_t *__restrict __nptr, | |
518 | wchar_t **__restrict __endptr, | |
519 | locale_t __loc) __THROW; | |
520 | # endif | |
521 | ||
45f39d45 PM |
522 | # if __HAVE_FLOAT128 |
523 | extern _Float128 wcstof128_l (const wchar_t *__restrict __nptr, | |
524 | wchar_t **__restrict __endptr, | |
af85385f | 525 | locale_t __loc) __THROW; |
45f39d45 | 526 | # endif |
43ddff2e JM |
527 | |
528 | # if __HAVE_FLOAT32X | |
529 | extern _Float32x wcstof32x_l (const wchar_t *__restrict __nptr, | |
530 | wchar_t **__restrict __endptr, | |
531 | locale_t __loc) __THROW; | |
532 | # endif | |
533 | ||
534 | # if __HAVE_FLOAT64X | |
535 | extern _Float64x wcstof64x_l (const wchar_t *__restrict __nptr, | |
536 | wchar_t **__restrict __endptr, | |
537 | locale_t __loc) __THROW; | |
538 | # endif | |
539 | ||
540 | # if __HAVE_FLOAT128X | |
541 | extern _Float128x wcstof128x_l (const wchar_t *__restrict __nptr, | |
542 | wchar_t **__restrict __endptr, | |
543 | locale_t __loc) __THROW; | |
544 | # endif | |
8593482f | 545 | #endif /* use GNU */ |
0501d603 | 546 | |
75cd5204 | 547 | |
8593482f | 548 | #ifdef __USE_XOPEN2K8 |
75cd5204 RM |
549 | /* Copy SRC to DEST, returning the address of the terminating L'\0' in |
550 | DEST. */ | |
4f197237 | 551 | extern wchar_t *wcpcpy (wchar_t *__restrict __dest, |
a784e502 | 552 | const wchar_t *__restrict __src) __THROW; |
75cd5204 RM |
553 | |
554 | /* Copy no more than N characters of SRC to DEST, returning the address of | |
555 | the last character written into DEST. */ | |
4f197237 | 556 | extern wchar_t *wcpncpy (wchar_t *__restrict __dest, |
a784e502 | 557 | const wchar_t *__restrict __src, size_t __n) |
c1422e5b | 558 | __THROW; |
48789000 | 559 | #endif |
75cd5204 RM |
560 | |
561 | ||
d64b6ad0 | 562 | /* Wide character I/O functions. */ |
1c31aa79 | 563 | |
48789000 | 564 | #if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2) |
1c31aa79 UD |
565 | /* Like OPEN_MEMSTREAM, but the stream is wide oriented and produces |
566 | a wide character string. */ | |
567 | extern __FILE *open_wmemstream (wchar_t **__bufloc, size_t *__sizeloc) __THROW; | |
568 | #endif | |
569 | ||
087722b8 | 570 | #if defined __USE_ISOC95 || defined __USE_UNIX98 |
d64b6ad0 UD |
571 | |
572 | /* Select orientation for stream. */ | |
d1646309 | 573 | extern int fwide (__FILE *__fp, int __mode) __THROW; |
d64b6ad0 UD |
574 | |
575 | ||
2c008571 UD |
576 | /* Write formatted output to STREAM. |
577 | ||
578 | This function is a possible cancellation point and therefore not | |
579 | marked with __THROW. */ | |
d1646309 | 580 | extern int fwprintf (__FILE *__restrict __stream, |
a784e502 | 581 | const wchar_t *__restrict __format, ...) |
2c008571 UD |
582 | /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */; |
583 | /* Write formatted output to stdout. | |
584 | ||
585 | This function is a possible cancellation point and therefore not | |
586 | marked with __THROW. */ | |
a784e502 | 587 | extern int wprintf (const wchar_t *__restrict __format, ...) |
2c008571 | 588 | /* __attribute__ ((__format__ (__wprintf__, 1, 2))) */; |
d64b6ad0 | 589 | /* Write formatted output of at most N characters to S. */ |
c1422e5b | 590 | extern int swprintf (wchar_t *__restrict __s, size_t __n, |
a784e502 | 591 | const wchar_t *__restrict __format, ...) |
c1422e5b | 592 | __THROW /* __attribute__ ((__format__ (__wprintf__, 3, 4))) */; |
d64b6ad0 | 593 | |
2c008571 UD |
594 | /* Write formatted output to S from argument list ARG. |
595 | ||
596 | This function is a possible cancellation point and therefore not | |
597 | marked with __THROW. */ | |
d1646309 | 598 | extern int vfwprintf (__FILE *__restrict __s, |
a784e502 | 599 | const wchar_t *__restrict __format, |
c1422e5b | 600 | __gnuc_va_list __arg) |
2c008571 UD |
601 | /* __attribute__ ((__format__ (__wprintf__, 2, 0))) */; |
602 | /* Write formatted output to stdout from argument list ARG. | |
603 | ||
604 | This function is a possible cancellation point and therefore not | |
605 | marked with __THROW. */ | |
a784e502 | 606 | extern int vwprintf (const wchar_t *__restrict __format, |
c1422e5b | 607 | __gnuc_va_list __arg) |
2c008571 | 608 | /* __attribute__ ((__format__ (__wprintf__, 1, 0))) */; |
d64b6ad0 UD |
609 | /* Write formatted output of at most N character to S from argument |
610 | list ARG. */ | |
c1422e5b | 611 | extern int vswprintf (wchar_t *__restrict __s, size_t __n, |
a784e502 | 612 | const wchar_t *__restrict __format, |
c1422e5b UD |
613 | __gnuc_va_list __arg) |
614 | __THROW /* __attribute__ ((__format__ (__wprintf__, 3, 0))) */; | |
d64b6ad0 UD |
615 | |
616 | ||
2c008571 UD |
617 | /* Read formatted input from STREAM. |
618 | ||
619 | This function is a possible cancellation point and therefore not | |
620 | marked with __THROW. */ | |
d1646309 | 621 | extern int fwscanf (__FILE *__restrict __stream, |
a784e502 | 622 | const wchar_t *__restrict __format, ...) |
2c008571 UD |
623 | /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; |
624 | /* Read formatted input from stdin. | |
625 | ||
626 | This function is a possible cancellation point and therefore not | |
627 | marked with __THROW. */ | |
a784e502 | 628 | extern int wscanf (const wchar_t *__restrict __format, ...) |
2c008571 | 629 | /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */; |
d64b6ad0 | 630 | /* Read formatted input from S. */ |
a784e502 UD |
631 | extern int swscanf (const wchar_t *__restrict __s, |
632 | const wchar_t *__restrict __format, ...) | |
c1422e5b | 633 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; |
7a5affeb | 634 | |
03992356 | 635 | /* For historical reasons, the C99-compliant versions of the scanf |
e4a39992 | 636 | functions are at alternative names. When __LDBL_COMPAT or |
e2239af3 | 637 | __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI are in effect, this is handled in |
e4a39992 GG |
638 | bits/wchar-ldbl.h. */ |
639 | #if !__GLIBC_USE (DEPRECATED_SCANF) && !defined __LDBL_COMPAT \ | |
e2239af3 | 640 | && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0 |
874aa523 | 641 | # ifdef __REDIRECT |
874aa523 | 642 | extern int __REDIRECT (fwscanf, (__FILE *__restrict __stream, |
a784e502 | 643 | const wchar_t *__restrict __format, ...), |
874aa523 UD |
644 | __isoc99_fwscanf) |
645 | /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; | |
a784e502 | 646 | extern int __REDIRECT (wscanf, (const wchar_t *__restrict __format, ...), |
874aa523 UD |
647 | __isoc99_wscanf) |
648 | /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */; | |
a784e502 UD |
649 | extern int __REDIRECT_NTH (swscanf, (const wchar_t *__restrict __s, |
650 | const wchar_t *__restrict __format, | |
f32f2869 JJ |
651 | ...), __isoc99_swscanf) |
652 | /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; | |
874aa523 UD |
653 | # else |
654 | extern int __isoc99_fwscanf (__FILE *__restrict __stream, | |
a784e502 UD |
655 | const wchar_t *__restrict __format, ...); |
656 | extern int __isoc99_wscanf (const wchar_t *__restrict __format, ...); | |
657 | extern int __isoc99_swscanf (const wchar_t *__restrict __s, | |
658 | const wchar_t *__restrict __format, ...) | |
874aa523 UD |
659 | __THROW; |
660 | # define fwscanf __isoc99_fwscanf | |
661 | # define wscanf __isoc99_wscanf | |
662 | # define swscanf __isoc99_swscanf | |
663 | # endif | |
664 | # endif | |
665 | ||
087722b8 | 666 | #endif /* Use ISO C95, C99 and Unix98. */ |
d64b6ad0 | 667 | |
91bc38d0 | 668 | #ifdef __USE_ISOC99 |
2c008571 UD |
669 | /* Read formatted input from S into argument list ARG. |
670 | ||
671 | This function is a possible cancellation point and therefore not | |
672 | marked with __THROW. */ | |
d1646309 | 673 | extern int vfwscanf (__FILE *__restrict __s, |
a784e502 | 674 | const wchar_t *__restrict __format, |
c1422e5b | 675 | __gnuc_va_list __arg) |
2c008571 UD |
676 | /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; |
677 | /* Read formatted input from stdin into argument list ARG. | |
678 | ||
679 | This function is a possible cancellation point and therefore not | |
680 | marked with __THROW. */ | |
a784e502 | 681 | extern int vwscanf (const wchar_t *__restrict __format, |
c1422e5b | 682 | __gnuc_va_list __arg) |
2c008571 | 683 | /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */; |
d64b6ad0 | 684 | /* Read formatted input from S into argument list ARG. */ |
a784e502 UD |
685 | extern int vswscanf (const wchar_t *__restrict __s, |
686 | const wchar_t *__restrict __format, | |
c1422e5b UD |
687 | __gnuc_va_list __arg) |
688 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
7a5affeb | 689 | |
93486ba5 GG |
690 | /* Same redirection as above for the v*wscanf family. */ |
691 | # if !__GLIBC_USE (DEPRECATED_SCANF) \ | |
874aa523 | 692 | && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ |
e4a39992 | 693 | && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) \ |
e2239af3 | 694 | && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0 |
874aa523 UD |
695 | # ifdef __REDIRECT |
696 | extern int __REDIRECT (vfwscanf, (__FILE *__restrict __s, | |
a784e502 | 697 | const wchar_t *__restrict __format, |
874aa523 UD |
698 | __gnuc_va_list __arg), __isoc99_vfwscanf) |
699 | /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
a784e502 | 700 | extern int __REDIRECT (vwscanf, (const wchar_t *__restrict __format, |
874aa523 UD |
701 | __gnuc_va_list __arg), __isoc99_vwscanf) |
702 | /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */; | |
a784e502 UD |
703 | extern int __REDIRECT_NTH (vswscanf, (const wchar_t *__restrict __s, |
704 | const wchar_t *__restrict __format, | |
f32f2869 JJ |
705 | __gnuc_va_list __arg), __isoc99_vswscanf) |
706 | /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
874aa523 UD |
707 | # else |
708 | extern int __isoc99_vfwscanf (__FILE *__restrict __s, | |
a784e502 | 709 | const wchar_t *__restrict __format, |
874aa523 | 710 | __gnuc_va_list __arg); |
a784e502 | 711 | extern int __isoc99_vwscanf (const wchar_t *__restrict __format, |
874aa523 | 712 | __gnuc_va_list __arg); |
a784e502 UD |
713 | extern int __isoc99_vswscanf (const wchar_t *__restrict __s, |
714 | const wchar_t *__restrict __format, | |
874aa523 UD |
715 | __gnuc_va_list __arg) __THROW; |
716 | # define vfwscanf __isoc99_vfwscanf | |
717 | # define vwscanf __isoc99_vwscanf | |
718 | # define vswscanf __isoc99_vswscanf | |
719 | # endif | |
720 | # endif | |
721 | ||
91bc38d0 | 722 | #endif /* Use ISO C99. */ |
d64b6ad0 UD |
723 | |
724 | ||
2c008571 UD |
725 | /* Read a character from STREAM. |
726 | ||
727 | These functions are possible cancellation points and therefore not | |
728 | marked with __THROW. */ | |
729 | extern wint_t fgetwc (__FILE *__stream); | |
730 | extern wint_t getwc (__FILE *__stream); | |
d64b6ad0 | 731 | |
2c008571 | 732 | /* Read a character from stdin. |
d64b6ad0 | 733 | |
2c008571 UD |
734 | This function is a possible cancellation point and therefore not |
735 | marked with __THROW. */ | |
736 | extern wint_t getwchar (void); | |
d64b6ad0 | 737 | |
d64b6ad0 | 738 | |
2c008571 UD |
739 | /* Write a character to STREAM. |
740 | ||
741 | These functions are possible cancellation points and therefore not | |
742 | marked with __THROW. */ | |
743 | extern wint_t fputwc (wchar_t __wc, __FILE *__stream); | |
744 | extern wint_t putwc (wchar_t __wc, __FILE *__stream); | |
745 | ||
746 | /* Write a character to stdout. | |
747 | ||
4c1423ed | 748 | This function is a possible cancellation point and therefore not |
2c008571 UD |
749 | marked with __THROW. */ |
750 | extern wint_t putwchar (wchar_t __wc); | |
d64b6ad0 | 751 | |
91bc38d0 UD |
752 | |
753 | /* Get a newline-terminated wide character string of finite length | |
2c008571 UD |
754 | from STREAM. |
755 | ||
4c1423ed | 756 | This function is a possible cancellation point and therefore not |
2c008571 | 757 | marked with __THROW. */ |
91bc38d0 | 758 | extern wchar_t *fgetws (wchar_t *__restrict __ws, int __n, |
2c008571 UD |
759 | __FILE *__restrict __stream); |
760 | ||
761 | /* Write a string to STREAM. | |
91bc38d0 | 762 | |
4c1423ed | 763 | This function is a possible cancellation point and therefore not |
2c008571 | 764 | marked with __THROW. */ |
a784e502 | 765 | extern int fputws (const wchar_t *__restrict __ws, |
2c008571 UD |
766 | __FILE *__restrict __stream); |
767 | ||
91bc38d0 | 768 | |
2c008571 | 769 | /* Push a character back onto the input buffer of STREAM. |
91bc38d0 | 770 | |
4c1423ed | 771 | This function is a possible cancellation point and therefore not |
2c008571 UD |
772 | marked with __THROW. */ |
773 | extern wint_t ungetwc (wint_t __wc, __FILE *__stream); | |
91bc38d0 UD |
774 | |
775 | ||
d64b6ad0 | 776 | #ifdef __USE_GNU |
91bc38d0 | 777 | /* These are defined to be equivalent to the `char' functions defined |
2c008571 | 778 | in POSIX.1:1996. |
91bc38d0 | 779 | |
2c008571 UD |
780 | These functions are not part of POSIX and therefore no official |
781 | cancellation point. But due to similarity with an POSIX interface | |
782 | or due to the implementation they are cancellation points and | |
783 | therefore not marked with __THROW. */ | |
784 | extern wint_t getwc_unlocked (__FILE *__stream); | |
785 | extern wint_t getwchar_unlocked (void); | |
91bc38d0 | 786 | |
2c008571 UD |
787 | /* This is the wide character version of a GNU extension. |
788 | ||
789 | This function is not part of POSIX and therefore no official | |
790 | cancellation point. But due to similarity with an POSIX interface | |
791 | or due to the implementation it is a cancellation point and | |
792 | therefore not marked with __THROW. */ | |
793 | extern wint_t fgetwc_unlocked (__FILE *__stream); | |
794 | ||
795 | /* Faster version when locking is not necessary. | |
796 | ||
797 | This function is not part of POSIX and therefore no official | |
798 | cancellation point. But due to similarity with an POSIX interface | |
799 | or due to the implementation it is a cancellation point and | |
800 | therefore not marked with __THROW. */ | |
801 | extern wint_t fputwc_unlocked (wchar_t __wc, __FILE *__stream); | |
d64b6ad0 UD |
802 | |
803 | /* These are defined to be equivalent to the `char' functions defined | |
2c008571 | 804 | in POSIX.1:1996. |
d64b6ad0 | 805 | |
2c008571 UD |
806 | These functions are not part of POSIX and therefore no official |
807 | cancellation point. But due to similarity with an POSIX interface | |
808 | or due to the implementation they are cancellation points and | |
809 | therefore not marked with __THROW. */ | |
810 | extern wint_t putwc_unlocked (wchar_t __wc, __FILE *__stream); | |
811 | extern wint_t putwchar_unlocked (wchar_t __wc); | |
d64b6ad0 | 812 | |
2c008571 UD |
813 | |
814 | /* This function does the same as `fgetws' but does not lock the stream. | |
815 | ||
816 | This function is not part of POSIX and therefore no official | |
817 | cancellation point. But due to similarity with an POSIX interface | |
818 | or due to the implementation it is a cancellation point and | |
819 | therefore not marked with __THROW. */ | |
c1422e5b | 820 | extern wchar_t *fgetws_unlocked (wchar_t *__restrict __ws, int __n, |
2c008571 UD |
821 | __FILE *__restrict __stream); |
822 | ||
823 | /* This function does the same as `fputws' but does not lock the stream. | |
d64b6ad0 | 824 | |
2c008571 UD |
825 | This function is not part of POSIX and therefore no official |
826 | cancellation point. But due to similarity with an POSIX interface | |
827 | or due to the implementation it is a cancellation point and | |
828 | therefore not marked with __THROW. */ | |
a784e502 | 829 | extern int fputws_unlocked (const wchar_t *__restrict __ws, |
2c008571 | 830 | __FILE *__restrict __stream); |
d64b6ad0 UD |
831 | #endif |
832 | ||
833 | ||
d64b6ad0 UD |
834 | /* Format TP into S according to FORMAT. |
835 | Write no more than MAXSIZE wide characters and return the number | |
836 | of wide characters written, or 0 if it would exceed MAXSIZE. */ | |
c1422e5b | 837 | extern size_t wcsftime (wchar_t *__restrict __s, size_t __maxsize, |
a784e502 UD |
838 | const wchar_t *__restrict __format, |
839 | const struct tm *__restrict __tp) __THROW; | |
d64b6ad0 | 840 | |
c4d6f155 | 841 | # ifdef __USE_GNU |
c4d6f155 RM |
842 | /* Similar to `wcsftime' but takes the information from |
843 | the provided locale and not the global locale. */ | |
c4d6f155 | 844 | extern size_t wcsftime_l (wchar_t *__restrict __s, size_t __maxsize, |
a784e502 UD |
845 | const wchar_t *__restrict __format, |
846 | const struct tm *__restrict __tp, | |
af85385f | 847 | locale_t __loc) __THROW; |
c4d6f155 RM |
848 | # endif |
849 | ||
8215c9ec | 850 | /* Define some macros helping to catch buffer overflows. */ |
5ac3ea17 | 851 | #if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function |
8215c9ec UD |
852 | # include <bits/wchar2.h> |
853 | #endif | |
854 | ||
e4a39992 | 855 | #include <bits/floatn.h> |
e2239af3 | 856 | #if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 |
54e98f69 RM |
857 | # include <bits/wchar-ldbl.h> |
858 | #endif | |
859 | ||
30de3b18 RM |
860 | __END_DECLS |
861 | ||
0f2ae55c | 862 | #endif /* wchar.h */ |