/* Copyright (C) 1991-2018 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

#ifndef STRRCHR

# define STRRCHR strrchr

#endif

/* 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)