Mercurial > gnulib
view lib/mbspbrk.c @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
---|---|
date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | 8250f2777afc |
children | 344018b6e5d7 |
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/* Searching a string for a character among a given set of characters. Copyright (C) 1999, 2002, 2006-2013 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2007. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> /* Specification. */ #include <string.h> #include "mbuiter.h" /* Find the first occurrence in the character string STRING of any character in the character string ACCEPT. Return the pointer to it, or NULL if none exists. */ char * mbspbrk (const char *string, const char *accept) { /* Optimize two cases. */ if (accept[0] == '\0') return NULL; if (accept[1] == '\0') return mbschr (string, accept[0]); /* General case. */ if (MB_CUR_MAX > 1) { mbui_iterator_t iter; for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter)) { if (mb_len (mbui_cur (iter)) == 1) { if (mbschr (accept, * mbui_cur_ptr (iter))) return (char *) mbui_cur_ptr (iter); } else { mbui_iterator_t aiter; for (mbui_init (aiter, accept); mbui_avail (aiter); mbui_advance (aiter)) if (mb_equal (mbui_cur (aiter), mbui_cur (iter))) return (char *) mbui_cur_ptr (iter); } } return NULL; } else return strpbrk (string, accept); }