ARK-OS/arkos/system/sysroot/usr/include/bits/stdlib-bsearch.h

//
// Copyright 2026 Aarav Ravindra Kharade
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

/* Perform binary search - inline version.
   Copyright (C) 1991-2026 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
   <https://www.gnu.org/licenses/>.  */

__extern_inline void *
bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
	 __compar_fn_t __compar)
{
  const void *__p;
  int __comparison;

  while (__nmemb)
    {
      __p = (const void *) (((const char *) __base) + ((__nmemb >> 1) * __size));
      __comparison = (*__compar) (__key, __p);
      if (__comparison == 0)
	{
#if __GNUC_PREREQ(4, 6)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wcast-qual"
#endif
	  return (void *) __p;
#if __GNUC_PREREQ(4, 6)
# pragma GCC diagnostic pop
#endif
	}
      if (__comparison > 0)
	{
	  __base = ((const char *) __p) + __size;
	  --__nmemb;
	}
      __nmemb >>= 1;
    }

  return NULL;
}