/* * Copyright (c) 1997-2004 Erez Zadok * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgment: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * %W% (Berkeley) %G% * * $Id: fsi_dict.c,v 1.3.2.4 2004/01/06 03:15:23 ezk Exp $ * */ /* * Dictionary support */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include #include static int dict_hash(char *k) { u_int h; for (h = 0; *k; h += *k++) ; return h % DICTHASH; } dict * new_dict(void) { dict *dp = CALLOC(struct dict); return dp; } static void dict_add_data(dict_ent *de, char *v) { dict_data *dd = CALLOC(struct dict_data); dd->dd_data = v; ins_que(&dd->dd_q, de->de_q.q_back); de->de_count++; } static dict_ent * new_dict_ent(char *k) { dict_ent *de = CALLOC(struct dict_ent); de->de_key = k; init_que(&de->de_q); return de; } dict_ent * dict_locate(dict *dp, char *k) { dict_ent *de = dp->de[dict_hash(k)]; while (de && !STREQ(de->de_key, k)) de = de->de_next; return de; } void dict_add(dict *dp, char *k, char *v) { dict_ent *de = dict_locate(dp, k); if (!de) { dict_ent **dep = &dp->de[dict_hash(k)]; de = new_dict_ent(k); de->de_next = *dep; *dep = de; } dict_add_data(de, v); } int dict_iter(dict *dp, int (*fn) (qelem *)) { int i; int errors = 0; for (i = 0; i < DICTHASH; i++) { dict_ent *de = dp->de[i]; while (de) { errors += (*fn) (&de->de_q); de = de->de_next; } } return errors; }