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