1/* gdbmexists.c - Check to see if a key exists */
2
3/*  This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
4    Copyright (C) 1993  Free Software Foundation, Inc.
5
6    GDBM is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 1, or (at your option)
9    any later version.
10
11    GDBM is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with GDBM; see the file COPYING.  If not, write to
18    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19
20    You may contact the original author by:
21       e-mail:  phil@cs.wwu.edu
22      us-mail:  Philip A. Nelson
23                Computer Science Department
24                Western Washington University
25                Bellingham, WA 98226
26
27    The author of this file is:
28       e-mail:  downsj@downsj.com
29
30*************************************************************************/
31
32
33/* include system configuration before all else. */
34#include "autoconf.h"
35
36#include "gdbmdefs.h"
37#include "gdbmerrno.h"
38
39/* this is nothing more than a wrapper around _gdbm_findkey(). the
40   point? it doesn't alloate any memory. */
41
42int
43gdbm_exists (dbf, key)
44    gdbm_file_info *dbf;
45    datum key;
46{
47  char *find_data;		/* dummy */
48  int hash_val;		/* dummy */
49
50  return (_gdbm_findkey (dbf, key, &find_data, &hash_val) >= 0);
51}
52