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gdbmexists.c
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C/C++ Source or Header
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1993-12-26
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2KB
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52 lines
/* gdbmexists.c - Check to see if a key exists */
/* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
Copyright (C) 1993 Free Software Foundation, Inc.
GDBM 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 1, or (at your option)
any later version.
GDBM 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 GDBM; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
You may contact the original author by:
e-mail: phil@cs.wwu.edu
us-mail: Philip A. Nelson
Computer Science Department
Western Washington University
Bellingham, WA 98226
The author of this file is:
e-mail: downsj@csos.orst.edu
*************************************************************************/
/* include system configuration before all else. */
#include "autoconf.h"
#include "gdbmdefs.h"
#include "gdbmerrno.h"
/* this is nothing more than a wrapper around _gdbm_findkey(). the
point? it doesn't alloate any memory. */
int
gdbm_exists (dbf, key)
gdbm_file_info *dbf;
datum key;
{
char *find_data; /* dummy */
word_t hash_val; /* dummy */
return (_gdbm_findkey (dbf, key, &find_data, &hash_val) >= 0);
}