1 /* void_list.h - the itsy package management system
5 Copyright (C) 2001 University of Southern California
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.
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.
21 typedef struct void_list_elt void_list_elt_t;
24 void_list_elt_t *next;
28 typedef struct void_list void_list_t;
31 void_list_elt_t pre_head;
32 void_list_elt_t *head;
33 void_list_elt_t *tail;
36 static inline int void_list_empty(void_list_t *list)
38 if (list->head == NULL)
44 int void_list_elt_init(void_list_elt_t *elt, void *data);
45 void void_list_elt_deinit(void_list_elt_t *elt);
47 int void_list_init(void_list_t *list);
48 void void_list_deinit(void_list_t *list);
50 int void_list_append(void_list_t *list, void *data);
51 int void_list_push(void_list_t *list, void *data);
52 void_list_elt_t *void_list_pop(void_list_t *list);
54 void *void_list_remove(void_list_t *list, void_list_elt_t **iter);
55 /* remove element containing elt data, using cmp(elt->data, target_data) == 0. */
56 typedef int (*void_list_cmp_t)(const void *, const void *);
57 void *void_list_remove_elt(void_list_t *list, const void *target_data, void_list_cmp_t cmp);