mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-24 13:33:08 +03:00
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* Copyright (C) 1991-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <string.h>
|
|
|
|
#undef strrchr
|
|
|
|
/* Find the last occurrence of C in S. */
|
|
char *
|
|
strrchr (const char *s, int c)
|
|
{
|
|
const char *found, *p;
|
|
|
|
c = (unsigned char) c;
|
|
|
|
/* Since strchr is fast, we use it rather than the obvious loop. */
|
|
|
|
if (c == '\0')
|
|
return strchr (s, '\0');
|
|
|
|
found = NULL;
|
|
while ((p = strchr (s, c)) != NULL)
|
|
{
|
|
found = p;
|
|
s = p + 1;
|
|
}
|
|
|
|
return (char *) found;
|
|
}
|
|
|
|
#ifdef weak_alias
|
|
#undef rindex
|
|
weak_alias (strrchr, rindex)
|
|
#endif
|
|
libc_hidden_builtin_def (strrchr)
|