Mercurial > hg > octave-lojdl > gnulib-hg
annotate lib/wcscspn-impl.h @ 16201:8250f2777afc
maint: update all copyright year number ranges
Run "make update-copyright".
author | Jim Meyering <meyering@redhat.com> |
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date | Sun, 01 Jan 2012 10:04:58 +0100 (2012-01-01) |
parents | f0c82d0c08e6 |
children | e542fd46ad6f |
rev | line source |
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14298 | 1 /* Search a wide string for any of a set of wide characters. |
16201
8250f2777afc
maint: update all copyright year number ranges
Jim Meyering <meyering@redhat.com>
parents:
14298
diff
changeset
|
2 Copyright (C) 1999, 2011-2012 Free Software Foundation, Inc. |
14298 | 3 Written by Bruno Haible <bruno@clisp.org>, 1999. |
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 of the License, or | |
8 (at your option) 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, see <http://www.gnu.org/licenses/>. */ | |
17 | |
18 size_t | |
19 wcscspn (const wchar_t *wcs, const wchar_t *reject) | |
20 { | |
21 /* Optimize two cases. */ | |
22 if (reject[0] == (wchar_t)'\0') | |
23 return wcslen (wcs); | |
24 | |
25 if (reject[1] == (wchar_t)'\0') | |
26 { | |
27 wchar_t wc = reject[0]; | |
28 const wchar_t *ptr = wcs; | |
29 for (; *ptr != (wchar_t)'\0'; ptr++) | |
30 { | |
31 if (*ptr == wc) | |
32 break; | |
33 } | |
34 return ptr - wcs; | |
35 } | |
36 | |
37 /* General case. */ | |
38 { | |
39 const wchar_t *ptr = wcs; | |
40 for (; *ptr != (wchar_t)'\0'; ptr++) | |
41 { | |
42 if (wcschr (reject, *ptr)) | |
43 break; | |
44 } | |
45 return ptr - wcs; | |
46 } | |
47 } |