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
|
--- avahi-0.5/avahi-core/dns.c.orig 2005-09-23 16:35:02 +0200
+++ avahi-0.5/avahi-core/dns.c 2005-09-23 16:35:07 +0200
@@ -177,11 +177,13 @@
assert(idx < p->size);
if (idx < 0x4000) {
- uint16_t *t;
- if (!(t = (uint16_t*) avahi_dns_packet_extend(p, sizeof(uint16_t))))
+ uint8_t *t;
+
+ if (!(t = (uint8_t*) avahi_dns_packet_extend(p, sizeof(uint16_t))))
return NULL;
- *t = htons((0xC000 | idx));
+ t[0] = (uint8_t) ((0xC000 | idx) >> 8);
+ t[1] = (uint8_t) idx;
return saved_ptr;
}
}
@@ -223,7 +225,8 @@
if (!(d = avahi_dns_packet_extend(p, sizeof(uint16_t))))
return NULL;
- *((uint16_t*) d) = htons(v);
+ d[0] = (uint8_t) (v >> 8);
+ d[1] = (uint8_t) v;
return d;
}
@@ -234,7 +237,10 @@
if (!(d = avahi_dns_packet_extend(p, sizeof(uint32_t))))
return NULL;
- *((uint32_t*) d) = htonl(v);
+ d[0] = (uint8_t) (v >> 24);
+ d[1] = (uint8_t) (v >> 16);
+ d[2] = (uint8_t) (v >> 8);
+ d[3] = (uint8_t) v;
return d;
}
@@ -385,26 +391,42 @@
}
int avahi_dns_packet_consume_uint16(AvahiDnsPacket *p, uint16_t *ret_v) {
+ uint8_t *d;
+ uint16_t tmp_v;
+
assert(p);
assert(ret_v);
if (p->rindex + sizeof(uint16_t) > p->size)
return -1;
- *ret_v = ntohs(*((uint16_t*) (AVAHI_DNS_PACKET_DATA(p) + p->rindex)));
+ d = (uint8_t*) (AVAHI_DNS_PACKET_DATA(p) + p->rindex);
+ tmp_v = (d[0] << 8) | d[1];
+ d = (uint8_t*) ret_v;
+ d[0] = ((uint8_t*)(&tmp_v))[0];
+ d[1] = ((uint8_t*)(&tmp_v))[1];
p->rindex += sizeof(uint16_t);
return 0;
}
int avahi_dns_packet_consume_uint32(AvahiDnsPacket *p, uint32_t *ret_v) {
+ uint8_t* d;
+ uint32_t tmp_v;
+
assert(p);
assert(ret_v);
if (p->rindex + sizeof(uint32_t) > p->size)
return -1;
- *ret_v = ntohl(*((uint32_t*) (AVAHI_DNS_PACKET_DATA(p) + p->rindex)));
+ d = (uint8_t*) (AVAHI_DNS_PACKET_DATA(p) + p->rindex);
+ tmp_v = (d[0] << 24) | (d[1] << 16) | (d[2] << 8) | d[3];
+ d = (uint8_t*) ret_v;
+ d[0] = ((uint8_t*)(&tmp_v))[0];
+ d[1] = ((uint8_t*)(&tmp_v))[1];
+ d[2] = ((uint8_t*)(&tmp_v))[2];
+ d[3] = ((uint8_t*)(&tmp_v))[3];
p->rindex += sizeof(uint32_t);
return 0;
@@ -733,7 +755,8 @@
/* avahi_log_debug("appended %u", size); */
- * (uint16_t*) l = htons((uint16_t) size);
+ l[0] = (uint8_t) ((uint16_t) size >> 8);
+ l[1] = (uint8_t) ((uint16_t) size);
return t;
|