adamdunkels | a2f3c42 | 2004-09-12 20:24:53 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2004, Swedish Institute of Computer Science. |
| 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 |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. Neither the name of the Institute nor the names of its contributors |
| 14 | * may be used to endorse or promote products derived from this software |
| 15 | * without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | * |
| 29 | * This file is part of the Contiki operating system. |
| 30 | * |
| 31 | * Author: Adam Dunkels <adam@sics.se> |
| 32 | * |
| 33 | * $Id: list.h,v 1.3 2004/09/12 20:24:55 adamdunkels Exp $ |
| 34 | */ |
adamdunkels | 97435a9 | 2004-02-16 20:47:51 +0000 | [diff] [blame] | 35 | /** |
| 36 | * \file |
| 37 | * Linked list manipulation routines. |
| 38 | * \author Adam Dunkels <adam@sics.se> |
| 39 | * |
| 40 | * |
| 41 | \code |
| 42 | |
| 43 | struct packet { |
| 44 | struct packet *next; |
| 45 | char data[1500]; |
| 46 | int len; |
| 47 | }; |
| 48 | |
| 49 | LIST(packets, struct packet *); |
| 50 | |
| 51 | static void |
| 52 | init_function(void) { |
| 53 | list_init(&packets); |
| 54 | } |
| 55 | |
| 56 | static void |
| 57 | another_function(struct packet *p) { |
| 58 | list_add(packets, p); |
| 59 | |
| 60 | p = list_head(packets); |
| 61 | |
| 62 | p = list_tail(packets); |
| 63 | } |
| 64 | |
| 65 | \endcode |
| 66 | */ |
| 67 | |
| 68 | #ifndef __LIST_H__ |
| 69 | #define __LIST_H__ |
| 70 | |
| 71 | /** |
| 72 | */ |
| 73 | #define LIST(name, type) \ |
| 74 | static type name##_list; \ |
| 75 | static void **name = (void **)&name##_list; |
| 76 | |
| 77 | |
| 78 | void list_init(void **list); |
| 79 | void *list_head(void **list); |
| 80 | void *list_tail(void **list); |
| 81 | void *list_pop (void **list); |
| 82 | void list_push(void **list, void *item); |
adamdunkels | d28b1e1 | 2004-08-20 21:41:04 +0000 | [diff] [blame] | 83 | |
| 84 | void *list_chop(void **list); |
| 85 | |
| 86 | void list_add(void **list, void *item); |
| 87 | |
| 88 | |
adamdunkels | 97435a9 | 2004-02-16 20:47:51 +0000 | [diff] [blame] | 89 | void list_copy(void **dest, void **src); |
| 90 | |
| 91 | #endif /* __LIST_H__ */ |
| 92 | |
| 93 | |
| 94 | |
| 95 | |