1 /* 2 * Copyright (c) 2013, Bjorn Andersson <bjorn@kryo.se> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef __ASSOC_H__ 33 #define __ASSOC_H__ 34 35 struct assoc { 36 unsigned long size; 37 unsigned long fill; 38 39 const char **keys; 40 void **values; 41 }; 42 43 void assoc_init(struct assoc *assoc, unsigned long size); 44 void *assoc_get(struct assoc *assoc, const char *key); 45 void assoc_set(struct assoc *assoc, const char *key, void *value); 46 const char *assoc_next(struct assoc *assoc, void **value, unsigned long *iter); 47 void assoc_destroy(struct assoc *assoc); 48 49 #define assoc_foreach(key, value, assoc, iter) \ 50 for ((iter) = 0, (key) = assoc_next((assoc), (value), &(iter)); \ 51 (key); \ 52 (key) = assoc_next((assoc), (value), &(iter))) 53 54 #endif 55