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
|
#include "headerbody.h"
#include "getln.h"
#include "hfield.h"
static int getsa(buffer *b, stralloc *sa, int *match)
{
if (!*match) return 0;
if (getln(b, sa, match, '\n') == -1) return -1;
if (*match) return 1;
if (!sa->len) return 0;
if (!stralloc_append(sa, "\n")) return -1;
return 1;
}
static stralloc line = {0};
static stralloc nextline = {0};
int headerbody(buffer *b, void (*dohf)(stralloc *), void (*hdone)(void), void (*dobl)(stralloc *))
{
int match;
int flaglineok;
match = 1;
flaglineok = 0;
for (;;) {
switch (getsa(b, &nextline, &match)) {
case -1: return -1;
case 0:
if (flaglineok) dohf(&line);
hdone();
/* no message body; could insert blank line here */
return 0;
}
if (flaglineok) {
if ((nextline.s[0] == ' ') || (nextline.s[0] == '\t')) {
if (!stralloc_cat(&line, &nextline)) return -1;
continue;
}
dohf(&line);
}
if (nextline.len == 1) {
hdone();
dobl(&nextline);
break;
}
if (stralloc_starts(&nextline, "From ")) {
if (!stralloc_copys(&line, "MBOX-Line: ")) return -1;
if (!stralloc_cat(&line, &nextline)) return -1;
} else if (hfield_valid(nextline.s, nextline.len)) {
if (!stralloc_copy(&line, &nextline)) return -1;
} else {
hdone();
if (!stralloc_copys(&line, "\n")) return -1;
dobl(&line);
dobl(&nextline);
break;
}
flaglineok = 1;
}
for (;;) {
switch (getsa(b, &nextline, &match)) {
case -1: return -1;
case 0: return 0;
case 1: dobl(&nextline);
}
}
}
|
