Repository navigation
Expand file tree
/
Copy pathminiobj.h
More file actions
72 lines (62 loc) · 1.57 KB
/
Copy pathminiobj.h
File metadata and controls
72 lines (62 loc) · 1.57 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/*
* Written by Poul-Henning Kamp <phk@phk.freebsd.dk>
*
* This file is in the public domain.
*
*/
#define INIT_OBJ(to, type_magic) \
do { \
(void)memset(to, 0, sizeof *to); \
(to)->magic = (type_magic); \
} while (0)
#define ALLOC_OBJ(to, type_magic) \
do { \
(to) = calloc(sizeof *(to), 1); \
if ((to) != NULL) \
(to)->magic = (type_magic); \
} while (0)
#define FREE_OBJ(to) \
do { \
(to)->magic = (0); \
free(to); \
to = NULL; \
} while (0)
#define VALID_OBJ(ptr, type_magic) \
((ptr) != NULL && (ptr)->magic == (type_magic))
#define CHECK_OBJ(ptr, type_magic) \
do { \
assert((ptr)->magic == type_magic); \
} while (0)
#define CHECK_OBJ_NOTNULL(ptr, type_magic) \
do { \
assert((ptr) != NULL); \
assert((ptr)->magic == type_magic); \
} while (0)
#define CHECK_OBJ_ORNULL(ptr, type_magic) \
do { \
if ((ptr) != NULL) \
assert((ptr)->magic == type_magic); \
} while (0)
#define CAST_OBJ(to, from, type_magic) \
do { \
(to) = (from); \
if ((to) != NULL) \
CHECK_OBJ((to), (type_magic)); \
} while (0)
#define CAST_OBJ_NOTNULL(to, from, type_magic) \
do { \
(to) = (from); \
assert((to) != NULL); \
CHECK_OBJ((to), (type_magic)); \
} while (0)
#define REPLACE(ptr, val) \
do { \
if ((ptr) != NULL) \
free(ptr); \
if ((val) != NULL) { \
ptr = strdup(val); \
AN((ptr)); \
} else { \
ptr = NULL; \
} \
} while (0)