1 /* void_list.h - the opkg package management system 2 3 Carl D. Worth 4 5 Copyright (C) 2001 University of Southern California 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 2, or (at 10 your option) any later version. 11 12 This program is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 */ 17 18 #ifndef VOID_LIST_H 19 #define VOID_LIST_H 20 21 #include "list.h" 22 23 typedef struct void_list_elt void_list_elt_t; 24 struct void_list_elt { 25 struct list_head node; 26 void *data; 27 }; 28 29 typedef struct void_list void_list_t; 30 struct void_list { 31 struct list_head head; 32 }; 33 34 static inline int void_list_empty(void_list_t * list) 35 { 36 return list_empty(&list->head); 37 } 38 39 void void_list_elt_init(void_list_elt_t * elt, void *data); 40 void void_list_elt_deinit(void_list_elt_t * elt); 41 42 void void_list_init(void_list_t * list); 43 void void_list_deinit(void_list_t * list); 44 45 void void_list_append(void_list_t * list, void *data); 46 void void_list_push(void_list_t * list, void *data); 47 void_list_elt_t *void_list_pop(void_list_t * list); 48 49 void *void_list_remove(void_list_t * list, void_list_elt_t ** iter); 50 /* remove element containing elt data, using cmp(elt->data, target_data) == 0. */ 51 typedef int (*void_list_cmp_t) (const void *, const void *); 52 void *void_list_remove_elt(void_list_t * list, const void *target_data, 53 void_list_cmp_t cmp); 54 55 void_list_elt_t *void_list_first(void_list_t * list); 56 void_list_elt_t *void_list_prev(void_list_t * list, void_list_elt_t * node); 57 void_list_elt_t *void_list_next(void_list_t * list, void_list_elt_t * node); 58 void_list_elt_t *void_list_last(void_list_t * list); 59 60 void void_list_purge(void_list_t * list); 61 62 #endif 63
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