debian/rules: Use `git' potty wrapper.
[qmail] / headerbody.c
CommitLineData
2117e02e
MW
1#include "stralloc.h"
2#include "substdio.h"
3#include "getln.h"
4#include "hfield.h"
5#include "headerbody.h"
6
7static int getsa(ss,sa,match)
8substdio *ss;
9stralloc *sa;
10int *match;
11{
12 if (!*match) return 0;
13 if (getln(ss,sa,match,'\n') == -1) return -1;
14 if (*match) return 1;
15 if (!sa->len) return 0;
16 if (!stralloc_append(sa,"\n")) return -1;
17 return 1;
18}
19
20static stralloc line = {0};
21static stralloc nextline = {0};
22
23int headerbody(ss,dohf,hdone,dobl)
24substdio *ss;
25void (*dohf)();
26void (*hdone)();
27void (*dobl)();
28{
29 int match;
30 int flaglineok;
31 match = 1;
32 flaglineok = 0;
33 for (;;)
34 {
35 switch(getsa(ss,&nextline,&match))
36 {
37 case -1:
38 return -1;
39 case 0:
40 if (flaglineok) dohf(&line);
41 hdone();
42 /* no message body; could insert blank line here */
43 return 0;
44 }
45 if (flaglineok)
46 {
47 if ((nextline.s[0] == ' ') || (nextline.s[0] == '\t'))
48 {
49 if (!stralloc_cat(&line,&nextline)) return -1;
50 continue;
51 }
52 dohf(&line);
53 }
54 if (nextline.len == 1)
55 {
56 hdone();
57 dobl(&nextline);
58 break;
59 }
60 if (stralloc_starts(&nextline,"From "))
61 {
62 if (!stralloc_copys(&line,"MBOX-Line: ")) return -1;
63 if (!stralloc_cat(&line,&nextline)) return -1;
64 }
65 else
66 if (hfield_valid(nextline.s,nextline.len))
67 {
68 if (!stralloc_copy(&line,&nextline)) return -1;
69 }
70 else
71 {
72 hdone();
73 if (!stralloc_copys(&line,"\n")) return -1;
74 dobl(&line);
75 dobl(&nextline);
76 break;
77 }
78 flaglineok = 1;
79 }
80 for (;;)
81 switch(getsa(ss,&nextline,&match))
82 {
83 case -1: return -1;
84 case 0: return 0;
85 case 1: dobl(&nextline);
86 }
87}