Mercurial > hg > octave-jordi > gnulib-hg
annotate lib/mbschr.c @ 10954:a0bbe1a6f787
Remove HAVE_MBRTOWC conditionals. Use mbrtowc unconditionally.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Mon, 22 Dec 2008 12:11:44 +0100 |
| parents | bbbbbf4cd1c5 |
| children | e8d2c6fc33ad |
| rev | line source |
|---|---|
| 8083 | 1 /* Searching a string for a character. |
|
10954
a0bbe1a6f787
Remove HAVE_MBRTOWC conditionals. Use mbrtowc unconditionally.
Bruno Haible <bruno@clisp.org>
parents:
9309
diff
changeset
|
2 Copyright (C) 2007-2008 Free Software Foundation, Inc. |
| 8083 | 3 Written by Bruno Haible <bruno@clisp.org>, 2007. |
| 4 | |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8129
diff
changeset
|
5 This program is free software: you can redistribute it and/or modify |
| 8083 | 6 it under the terms of the GNU General Public License as published by |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8129
diff
changeset
|
7 the Free Software Foundation; either version 3 of the License, or |
|
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8129
diff
changeset
|
8 (at your option) any later version. |
| 8083 | 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 | |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8129
diff
changeset
|
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 8083 | 17 |
| 18 #include <config.h> | |
| 19 | |
| 20 /* Specification. */ | |
| 21 #include <string.h> | |
| 22 | |
|
10954
a0bbe1a6f787
Remove HAVE_MBRTOWC conditionals. Use mbrtowc unconditionally.
Bruno Haible <bruno@clisp.org>
parents:
9309
diff
changeset
|
23 #include "mbuiter.h" |
| 8083 | 24 |
| 25 /* Locate the first single-byte character C in the character string STRING, | |
| 26 and return a pointer to it. Return NULL if C is not found in STRING. */ | |
| 27 char * | |
| 28 mbschr (const char *string, int c) | |
| 29 { | |
| 30 if (MB_CUR_MAX > 1 | |
| 31 /* Optimization: We know that ASCII characters < 0x30 don't occur as | |
| 32 part of multibyte characters longer than 1 byte. Hence, if c < 0x30, | |
| 33 the faster unibyte loop can be used. */ | |
| 34 && (unsigned char) c >= 0x30) | |
| 35 { | |
| 36 mbui_iterator_t iter; | |
| 37 | |
| 38 for (mbui_init (iter, string);; mbui_advance (iter)) | |
| 39 { | |
| 8129 | 40 if (!mbui_avail (iter)) |
| 41 goto notfound; | |
| 8083 | 42 if (mb_len (mbui_cur (iter)) == 1 |
| 43 && (unsigned char) * mbui_cur_ptr (iter) == (unsigned char) c) | |
| 44 break; | |
| 45 } | |
| 46 return (char *) mbui_cur_ptr (iter); | |
| 47 notfound: | |
| 48 return NULL; | |
| 49 } | |
| 50 else | |
| 51 return strchr (string, c); | |
| 52 } |