Mercurial > hg > octave-nkf > gnulib-hg
annotate lib/mbsspn.c @ 10001:facc928673d7
Declare rpmatch.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Tue, 29 Apr 2008 02:55:59 +0200 |
| parents | bbbbbf4cd1c5 |
| children | a0bbe1a6f787 |
| rev | line source |
|---|---|
| 8105 | 1 /* Searching a string for a character outside a given set of characters. |
| 2 Copyright (C) 1999, 2002, 2006-2007 Free Software Foundation, Inc. | |
| 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:
8142
diff
changeset
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5 This program is free software: you can redistribute it and/or modify |
| 8105 | 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:
8142
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:
8142
diff
changeset
|
8 (at your option) any later version. |
| 8105 | 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:
8142
diff
changeset
|
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 8105 | 17 |
| 18 #include <config.h> | |
| 19 | |
| 20 /* Specification. */ | |
| 21 #include <string.h> | |
| 22 | |
| 23 #if HAVE_MBRTOWC | |
| 24 # include "mbuiter.h" | |
| 25 #endif | |
| 26 | |
| 27 /* Find the first occurrence in the character string STRING of any character | |
| 28 not in the character string REJECT. Return the number of bytes from the | |
| 29 beginning of the string to this occurrence, or to the end of the string | |
| 30 if none exists. */ | |
| 31 size_t | |
| 32 mbsspn (const char *string, const char *reject) | |
| 33 { | |
| 34 /* Optimize two cases. */ | |
| 35 if (reject[0] == '\0') | |
| 36 return 0; | |
| 37 if (reject[1] == '\0') | |
| 38 { | |
| 39 unsigned char uc = (unsigned char) reject[0]; | |
| 40 | |
| 41 #if HAVE_MBRTOWC | |
| 42 if (MB_CUR_MAX > 1) | |
| 43 { | |
| 44 mbui_iterator_t iter; | |
| 45 | |
| 46 for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter)) | |
| 47 if (!(mb_len (mbui_cur (iter)) == 1 | |
| 48 && (unsigned char) * mbui_cur_ptr (iter) == uc)) | |
|
8142
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
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49 break; |
|
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
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50 return mbui_cur_ptr (iter) - string; |
| 8105 | 51 } |
| 52 else | |
| 53 #endif | |
| 54 { | |
| 55 const char *ptr; | |
| 56 | |
| 57 for (ptr = string; *ptr != '\0'; ptr++) | |
| 58 if ((unsigned char) *ptr != uc) | |
| 59 break; | |
| 60 return ptr - string; | |
| 61 } | |
| 62 } | |
| 63 /* General case. */ | |
| 64 #if HAVE_MBRTOWC | |
| 65 if (MB_CUR_MAX > 1) | |
| 66 { | |
| 67 mbui_iterator_t iter; | |
| 68 | |
| 69 for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter)) | |
| 70 { | |
| 71 if (mb_len (mbui_cur (iter)) == 1) | |
| 72 { | |
|
8142
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
|
73 if (mbschr (reject, * mbui_cur_ptr (iter)) == NULL) |
|
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
|
74 goto found; |
| 8105 | 75 } |
| 76 else | |
| 77 { | |
| 78 mbui_iterator_t aiter; | |
| 79 | |
|
8142
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
|
80 for (mbui_init (aiter, reject);; mbui_advance (aiter)) |
| 8105 | 81 { |
| 82 if (!mbui_avail (aiter)) | |
|
8142
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
|
83 goto found; |
| 8105 | 84 if (mb_equal (mbui_cur (aiter), mbui_cur (iter))) |
| 85 break; | |
| 86 } | |
| 87 } | |
| 88 } | |
|
8142
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
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89 found: |
|
fccfb6a55bab
Fix bug. Remove unnecessary strlen call.
Bruno Haible <bruno@clisp.org>
parents:
8105
diff
changeset
|
90 return mbui_cur_ptr (iter) - string; |
| 8105 | 91 } |
| 92 else | |
| 93 #endif | |
| 94 return strspn (string, reject); | |
| 95 } |