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
|
/*
** Copyright 2000-2011 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "rfc2045_config.h"
#include "rfc2045.h"
#include "rfc2045src.h"
#include <stdio.h>
#include <unistd.h>
/*
** This function is used to decode MIME section content, and pass it to
** a handler function. It's basically a wrapper around rfc2045_cdecode
** functions.
*/
int rfc2045_decodemimesection(struct rfc2045src *src, struct rfc2045 *rfc,
int (*handler)(const char *, size_t, void *),
void *voidarg)
{
off_t start_pos, end_pos, start_body;
char buf[BUFSIZ];
ssize_t cnt;
off_t dummy;
int rc;
rfc2045_mimepos(rfc, &start_pos, &end_pos, &start_body,
&dummy, &dummy);
if (SRC_SEEK(src, start_body) == (off_t)-1) return (-1);
rfc2045_cdecode_start(rfc, handler, voidarg);
while (start_body < end_pos)
{
cnt=sizeof(buf);
if (cnt > end_pos-start_body)
cnt=end_pos-start_body;
cnt=SRC_READ(src, buf, cnt);
if (cnt <= 0) break;
if ((rc=rfc2045_cdecode(rfc, buf, cnt)) != 0)
return (rc);
start_body += cnt;
}
return (rfc2045_cdecode_end(rfc));
}
|
