glibc/wcsmbs/wcsrchr.c

38 lines
1.1 KiB
C

/* Copyright (C) 1995-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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 <wchar.h>
#ifndef WCSRCHR
# define WCSRCHR wcsrchr
#endif
/* Find the last occurrence of WC in WCS. */
wchar_t *
WCSRCHR (const wchar_t *wcs, const wchar_t wc)
{
const wchar_t *retval = NULL;
do
if (*wcs == wc)
retval = wcs;
while (*wcs++ != L'\0');
return (wchar_t *) retval;
}