1/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software
14 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
15
16#ifndef _list_h_
17#define _list_h_
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23typedef struct st_list {
24 struct st_list *prev,*next;
25 void *data;
26} LIST;
27
28typedef int (*list_walk_action)(void *,void *);
29
30extern LIST *list_add(LIST *root,LIST *element);
31extern LIST *list_delete(LIST *root,LIST *element);
32extern LIST *list_cons(void *data,LIST *root);
33extern LIST *list_reverse(LIST *root);
34extern void list_free(LIST *root,unsigned int free_data);
35extern unsigned int list_length(LIST *);
36extern int list_walk(LIST *,list_walk_action action,unsigned char * argument);
37
38#define list_rest(a) ((a)->next)
39#define list_push(a,b) (a)=list_cons((b),(a))
40#define list_pop(A) {LIST *old=(A); (A)=list_delete(old,old); my_free(old); }
41
42#ifdef __cplusplus
43}
44#endif
45#endif
46