2 hash.c -- Handle hash datastructures
3 Copyright (C) 2000 Ivo Timmermans <itimmermans@bigfoot.com>
4 2000 Guus Sliepen <guus@sliepen.warande.net>
6 This program 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 2 of the License, or
9 (at your option) any later version.
11 This program 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.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 $Id: hash.c,v 1.1 2000/10/20 16:44:32 zarq Exp $
27 delete one element, indicated by key, from hash
29 int hash_delete(hash_t hash, char *key)
35 insert an element into the hash, unless an element with the
36 same key already exists.
38 int hash_insert_maybe(hash_t hash, void *data, char *key)
40 if(hash_retrieve(hash, key))
48 If an element indicated by key exists in the hash, update the
49 associated pointer. Otherwise, insert this pointer as a new
52 int hash_insert_or_update(hash_t hash, void *data, char *key)