blob: 62987583cc68ec8463c5e404da29454379e5840d (
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
|
/*
*
* (c) 2005-2009 Laurent Vivier <Laurent@vivier.eu>
*
* This file has been copied from EMILE, http://emile.sf.net
*
*/
#include "libiso9660.h"
int iso9660_lseek(iso9660_FILE *_file, long offset, int whence)
{
iso9660_FILE *file = (iso9660_FILE*)_file;
long new_offset;
switch(whence)
{
case SEEK_SET:
new_offset = offset;
break;
case SEEK_CUR:
new_offset = file->offset + offset;
break;
case SEEK_END:
new_offset = file->size + offset;
break;
default:
return -1;
}
if ( (new_offset < 0) || (new_offset > file->size) )
return -1;
file->offset = new_offset;
return new_offset;
}
|