blob: c4aec4c6fea6187cee757d24b3e87c40bc23763e (
plain)
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
|
#include "interface.h"
#include "internals.h"
#include "id-errno.h"
int id_extract_size(struct id_cookie *cookie, int *err)
{
idenum_t type;
struct id_cookie s_cookie;
int size;
s_cookie = *cookie;
*err = id_whatis(&s_cookie, &type);
if (*err != ID_EOK)
return *err;
switch(type) {
case IDENUM_DICT:
size = extract_unsigned_pnum(&s_cookie, 5, err);
size += (s_cookie.offset - cookie->offset);
break;
case IDENUM_ARRAY:
size = extract_unsigned_pnum(&s_cookie, 5, err);
size += (s_cookie.offset - cookie->offset);
break;
case IDENUM_STR:
case IDENUM_HEXSTR:
size = extract_unsigned_pnum(&s_cookie, 5, err);
size += (s_cookie.offset - cookie->offset);
break;
case IDENUM_POS_NUM:
case IDENUM_NEG_NUM:
extract_signed_pnum(&s_cookie, 5, err);
size = (s_cookie.offset - cookie->offset);
break;
case IDENUM_KEY:
extract_unsigned_pnum(&s_cookie, 5, err);
size = (s_cookie.offset - cookie->offset);
break;
default:
*err = -ID_EDOM;
size = 0;
break;
}
if (*err != ID_EOK)
return *err;
return size;
}
|
