1 | /* |
---|
2 | * $Id$ |
---|
3 | * |
---|
4 | * Header file of mr_list.c: a set of function manipulating lists |
---|
5 | * Provided under the GPL v2 |
---|
6 | */ |
---|
7 | |
---|
8 | #ifndef MR_LIST_H |
---|
9 | #define MR_LIST_H |
---|
10 | |
---|
11 | /* Data structure */ |
---|
12 | struct mr_list { |
---|
13 | /** |
---|
14 | * Pointers to first and last components of the list |
---|
15 | */ |
---|
16 | struct mr_list_elt *first; |
---|
17 | struct mr_list_elt *last; |
---|
18 | }; |
---|
19 | |
---|
20 | struct mr_list_elt { |
---|
21 | |
---|
22 | /* Content of the element in the list */ |
---|
23 | void *data; |
---|
24 | |
---|
25 | /* Function to unallocate memory contained in data */ |
---|
26 | void (*mr_free_data)(void *data); |
---|
27 | |
---|
28 | /* The neighbours (pointers to next and previous) */ |
---|
29 | struct mr_list_elt *next; |
---|
30 | struct mr_list_elt *prev; |
---|
31 | }; |
---|
32 | |
---|
33 | |
---|
34 | /* functions (public methods) */ |
---|
35 | |
---|
36 | struct mr_list *mr_list_alloc(void); |
---|
37 | struct mr_list_elt *mr_list_alloc_elt(void *data, void (*mr_free_data)(void *data)); |
---|
38 | void mr_list_free(struct mr_list *list); |
---|
39 | void mr_list_free_elt(struct mr_list_elt *elt); |
---|
40 | int mr_list_length(struct mr_list *list); |
---|
41 | void mr_list_add_elt_first(struct mr_list *list, struct mr_list_elt *elt); |
---|
42 | void mr_list_add_elt_last(struct mr_list *list, struct mr_list_elt *elt); |
---|
43 | void mr_list_add_elt_after(struct mr_list *list, struct mr_list_elt *ref, struct mr_list_elt *elt); |
---|
44 | void mr_list_add_elt_before(struct mr_list *list, struct mr_list_elt *ref, struct mr_list_elt *elt); |
---|
45 | void mr_list_del_elt_first(struct mr_list *list); |
---|
46 | void mr_list_del_elt_last(struct mr_list *list); |
---|
47 | void mr_list_del_elt_after(struct mr_list *list, struct mr_list_elt *ref); |
---|
48 | void mr_list_del_elt_before(struct mr_list *list, struct mr_list_elt *ref); |
---|
49 | |
---|
50 | #endif /* MR_LIST_H */ |
---|