glibc/misc/hsearch.c

/* Copyright (C) 1993-2021 Free Software Foundation, Inc.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>
   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/>.  */

#include <search.h>

/* The non-reentrant version use a global space for storing the table.  */
static struct hsearch_data htab;


/* Define the non-reentrant function using the reentrant counterparts.  */
ENTRY *
hsearch (ENTRY item, ACTION action)
{
  ENTRY *result;

  (void) __hsearch_r (item, action, &result, &htab);

  return result;
}


int
hcreate (size_t nel)
{
  return __hcreate_r (nel, &htab);
}


void
__hdestroy (void)
{
  __hdestroy_r (&htab);
}
weak_alias (__hdestroy, hdestroy)

/* Make sure the table is freed if we want to free everything before
   exiting.  */
text_set_element (__libc_subfreeres, __hdestroy);