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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
--- a/include/linux/netfilter/xt_sctp.h
+++ b/include/linux/netfilter/xt_sctp.h
@@ -37,54 +37,68 @@
#define SCTP_CHUNKMAP_SET(chunkmap, type) \
do { \
- (chunkmap)[type / bytes(u_int32_t)] |= \
+ chunkmap[type / bytes(u_int32_t)] |= \
1 << (type % bytes(u_int32_t)); \
} while (0)
#define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \
do { \
- (chunkmap)[type / bytes(u_int32_t)] &= \
+ chunkmap[type / bytes(u_int32_t)] &= \
~(1 << (type % bytes(u_int32_t))); \
} while (0)
#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \
({ \
- ((chunkmap)[type / bytes (u_int32_t)] & \
+ (chunkmap[type / bytes (u_int32_t)] & \
(1 << (type % bytes (u_int32_t)))) ? 1: 0; \
})
-#define SCTP_CHUNKMAP_RESET(chunkmap) \
- memset((chunkmap), 0, sizeof(chunkmap))
+#define SCTP_CHUNKMAP_RESET(chunkmap) \
+ do { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
+ chunkmap[i] = 0; \
+ } while (0)
-#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
- memset((chunkmap), ~0U, sizeof(chunkmap))
+#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
+ do { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \
+ chunkmap[i] = ~0; \
+ } while (0)
-#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
- memcpy((destmap), (srcmap), sizeof(srcmap))
+#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
+ do { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(srcmap); i++) \
+ destmap[i] = srcmap[i]; \
+ } while (0)
+
+#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
+({ \
+ int i; \
+ int flag = 1; \
+ for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
+ if (chunkmap[i]) { \
+ flag = 0; \
+ break; \
+ } \
+ } \
+ flag; \
+})
-#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
- __sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap))
-static inline bool
-__sctp_chunkmap_is_clear(const u_int32_t *chunkmap, unsigned int n)
-{
- unsigned int i;
- for (i = 0; i < n; ++i)
- if (chunkmap[i])
- return false;
- return true;
-}
-
-#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
- __sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))
-static inline bool
-__sctp_chunkmap_is_all_set(const u_int32_t *chunkmap, unsigned int n)
-{
- unsigned int i;
- for (i = 0; i < n; ++i)
- if (chunkmap[i] != ~0U)
- return false;
- return true;
-}
+#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
+({ \
+ int i; \
+ int flag = 1; \
+ for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \
+ if (chunkmap[i] != ~0) { \
+ flag = 0; \
+ break; \
+ } \
+ } \
+ flag; \
+})
#endif /* _XT_SCTP_H_ */
|
