misc/hsearch.c

   1 /* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
   2    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <search.h>
  21
  22 /* The non-reentrant version use a global space for storing the table.  */
  23 static struct hsearch_data htab;
  24
  25
  26 /* Define the non-reentrant function using the reentrant counterparts.  */
  27 ENTRY *
  28 hsearch (item, action)
  29      ENTRY item;
  30      ACTION action;
  31 {
  32   ENTRY *result;
  33
  34   (void) hsearch_r (item, action, &result, &htab);
  35
  36   return result;
  37 }
  38
  39
  40 int
  41 hcreate (nel)
  42      size_t nel;
  43 {
  44   return hcreate_r (nel, &htab);
  45 }
  46
  47
  48 void
  49 __hdestroy ()
  50 {
  51   hdestroy_r (&htab);
  52 }
  53 weak_alias (__hdestroy, hdestroy)
  54
  55 /* Make sure the table is freed if we want to free everything before
  56    exiting.  */
  57 text_set_element (__libc_subfreeres, __hdestroy);