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
|
#ifdef __cplusplus
extern "C" {
#endif
#include "ulib/compare.h"
#include "ulib/unpack.h"
#include "ulib/util.h"
#ifdef __cplusplus
}
#endif
#define UUCMP(u1,u2) if (u1 != u2) return((u1) > (u2) ? 1 : -1);
IV uu_cmp_struct1(const struct_uu_t *us1, const struct_uu_t *us2) {
UUCMP(us1->v1.time_low, us2->v1.time_low);
UUCMP(us1->v1.time_mid, us2->v1.time_mid);
UUCMP(us1->v1.time_high_and_version, us2->v1.time_high_and_version);
UUCMP(us1->v1.clock_seq_and_variant, us2->v1.clock_seq_and_variant);
return memcmp(us1->v1.node, us2->v1.node, 6);
}
/* XXX missing v3 */
IV uu_cmp_struct4(const struct_uu_t *us1, const struct_uu_t *us2) {
UUCMP(us1->v4.rand_a, us2->v4.rand_a);
UUCMP(us1->v4.rand_b_and_version, us2->v4.rand_b_and_version);
UUCMP(us1->v4.rand_c_and_variant, us2->v4.rand_c_and_variant);
UUCMP(us1->v4.rand_d, us2->v4.rand_d);
return 0;
}
/* XXX missing v5 */
IV uu_cmp_struct6(const struct_uu_t *us1, const struct_uu_t *us2) {
UUCMP(us1->v6.time_high, us2->v6.time_high);
UUCMP(us1->v6.time_mid, us2->v6.time_mid );
UUCMP(us1->v6.time_low_and_version, us2->v6.time_low_and_version );
UUCMP(us1->v6.clock_seq_and_variant, us2->v6.clock_seq_and_variant);
return memcmp(us1->v6.node, us2->v6.node, 6);
return 0;
}
IV uu_cmp_struct7(const struct_uu_t *us1, const struct_uu_t *us2) {
UUCMP(us1->v7.time_high, us2->v7.time_high);
UUCMP(us1->v7.time_low, us2->v7.time_low );
UUCMP(us1->v7.rand_a_and_version, us2->v7.rand_a_and_version);
UUCMP(us1->v7.rand_b_and_variant, us2->v7.rand_b_and_variant);
return 0;
}
IV uu_cmp_binary(const uu_t uu1, const uu_t uu2) {
IV typ1, typ2, var1, var2;
struct_uu_t us1, us2;
uu_unpack(uu1, &us1);
uu_unpack(uu2, &us2);
var1 = uu_variant(&us1);
var2 = uu_variant(&us2);
if (var1 != var2)
return var1 > var2 ? 1 : -1;
typ1 = uu_type(&us1);
typ2 = uu_type(&us2);
if (typ1 != typ2)
return typ1 > typ2 ? 1 : -1;
switch(typ1) {
case 1: return uu_cmp_struct1(&us1, &us2);
case 4: return uu_cmp_struct4(&us1, &us2);
case 6: return uu_cmp_struct6(&us1, &us2);
case 7: return uu_cmp_struct7(&us1, &us2);
}
//return uu_cmp_struct(&us1, &us2);
return 0;
}
/* ex:set ts=2 sw=2 itab=spaces: */
|
