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/* Copyright (C) 1995-2021 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
<https://www.gnu.org/licenses/>. */
#include <wchar.h>
#include <loop_unroll.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)
{
wchar_t *retval = NULL;
#define ITERATION(index) \
({ \
if (*wcs == wc) \
retval = (wchar_t*) wcs; \
*wcs++ != L'\0'; \
})
#ifndef UNROLL_NTIMES
# define UNROLL_NTIMES 1
#endif
while (1)
UNROLL_REPEAT (UNROLL_NTIMES, ITERATION);
return retval;
}
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