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comparison src/tools.h @ 12:79e9edf4c00a

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Add redraw manager
author Thinker K.F. Li <thinker@branda.to>
date Mon, 28 Jul 2008 17:45:36 +0800
parents
children ed55009d96d3
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11:128af06c876c 12:79e9edf4c00a
1 #ifndef __TOOLS_H_
2 #define __TOOLS_H_
3
4
5 typedef struct _elmpool elmpool_t;
6
7 extern elmpool_t *elmpool_new(int elm_sz, int inc_num);
8 extern void *elmpool_elm_alloc(elmpool_t *pool);
9 extern void elmpool_elm_free(elmpool_t *pool, void *elm);
10 extern void elmpool_free(elmpool_t *pool);
11
12
13 #define STAILQ(type) \
14 struct { \
15 type *head; \
16 type *tail; \
17 }
18 #define STAILQ_INIT(q) \
19 do { \
20 (q).head = (q).tail = NULL; \
21 } while(0)
22 #define STAILQ_HEAD(q) ((q).head)
23 #define STAILQ_TAIL(q) ((q).tail)
24 #define STAILQ_NEXT(type, field, elm) ((elm)->field)
25 #define STAILQ_INS(q, type, field, elm) \
26 do { \
27 (elm)->field = (q).head; \
28 (q).head = elm; \
29 if((q).tail == NULL) \
30 (q).tail = elm; \
31 } while(0)
32 #define STAILQ_INS_TAIL(q, type, field, elm) \
33 do { \
34 (elm)->field = NULL; \
35 if((q).tail != NULL) \
36 (q).tail->field = elm; \
37 (q).tail = elm; \
38 if((q).head == NULL) \
39 (q).head = elm; \
40 } while(0)
41 #define STAILQ_REMOVE(q, type, field, elm) \
42 do { \
43 if((elm) == (q).head) { \
44 (q).head = (elm)->field; \
45 if((q).head == NULL) \
46 (q).tail = NULL; \
47 } else { \
48 type *_stailq_cur = (q).head; \
49 while(_stailq_cur != NULL && \
50 _stailq_cur->field != (elm)) \
51 _stailq_cur = _stailq_cur->field; \
52 if(_stailq_cur != NULL) { \
53 _stailq_cur->field = elm; \
54 if((q).tail == (elm)) \
55 (q).tail = _stailq_cur; \
56 } \
57 } \
58 } while(0)
59
60 #endif /* __TOOLS_H_ */