/* Searching a string for the last occurrence of a character.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
- This program is free software; you can redistribute it and/or modify
+ 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 2, or (at your option)
- any later version.
+ 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
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, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <string.h>
-#if HAVE_MBRTOWC
-# include "mbuiter.h"
-#endif
+#include "mbuiter.h"
/* Locate the last single-byte character C in the character string STRING,
and return a pointer to it. Return NULL if C is not found in STRING. */
char *
mbsrchr (const char *string, int c)
{
-#if HAVE_MBRTOWC
if (MB_CUR_MAX > 1
/* Optimization: We know that ASCII characters < 0x30 don't occur as
- part of multibyte characters longer than 1 byte. Hence, if c < 0x30,
- the faster unibyte loop can be used. */
+ part of multibyte characters longer than 1 byte. Hence, if c < 0x30,
+ the faster unibyte loop can be used. */
&& (unsigned char) c >= 0x30)
{
const char *result = NULL;
mbui_iterator_t iter;
- for (mbui_init (iter, string);; mbui_advance (iter))
- {
- if (mb_len (mbui_cur (iter)) == 1
- && (unsigned char) * mbui_cur_ptr (iter) == (unsigned char) c)
- result = mbui_cur_ptr (iter);
- if (!mbui_avail (iter))
- break;
- }
+ for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter))
+ {
+ if (mb_len (mbui_cur (iter)) == 1
+ && (unsigned char) * mbui_cur_ptr (iter) == (unsigned char) c)
+ result = mbui_cur_ptr (iter);
+ }
return (char *) result;
}
else
-#endif
return strrchr (string, c);
}