/* Linear search functions.

   Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.

   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 <search.h>

#include <string.h>

void *

lsearch (const void *key, void *base, size_t *nmemb, size_t size,

	 __compar_fn_t compar)

{

  void *result;

  /* Try to find it.  */

  result = lfind (key, base, nmemb, size, compar);

  if (result == NULL)

    {

      /* Not available.  Insert at the end.  */

      result = memcpy (base + (*nmemb) * size, key, size);

      ++(*nmemb);

    }

  return result;

}

void *

lfind (const void *key, const void *base, size_t *nmemb, size_t size,

       __compar_fn_t compar)

{

  const void *result = base;

  size_t cnt = 0;

  while (cnt < *nmemb && (*compar) (key, result) != 0)

    {

      result += size;

      ++cnt;

    }

  return cnt < *nmemb ? (void *) result : NULL;

}

libc_hidden_def (lfind)