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/* Test of bsearch() function.
   Copyright (C) 2024-2025 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <stdlib.h>

#include "macros.h"

/* Test the library, not the compiler+library.  */
static void *
lib_bsearch (void const *key, void const *base, size_t nel, size_t width,
             int (*compar) (void const *, void const *))
{
  return bsearch (key, base, nel, width, compar);
}
static void *(*volatile volatile_bsearch) (void const *, void const *, size_t,
                                           size_t,
                                           int (*) (void const *, void const *))
  = lib_bsearch;
#undef bsearch
#define bsearch volatile_bsearch

static int
cmp (const void *a, const void *b)
{
  return 0;
}

int
main (void)
{
  /* Test zero-length operations on NULL pointers, allowed by
     <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>.  */
  ASSERT (bsearch ("x", NULL, 0, 1, cmp) == NULL);

  return test_exit_status;
}
kc3-lang/gnulib/tests/test-bsearch.c

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tests/test-bsearch.c
