2 iso9660 - An iso9660 CDI driver with Rockridge support
3 Copyright (C) 2008 Janosch Gräf <janosch.graef@gmx.net>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "cdi/cache.h"
22 #include "iso9660_cdi.h"
26 * @param stream CDI FS stream
27 * @param start Offset in flie
28 * @param size How many bytes to read
29 * @param buffer Buffer to store data in
30 * @return How many bytes read
32 size_t iso9660_fs_file_read(struct cdi_fs_stream
*stream
,uint64_t start
,size_t size
,void *buffer
) {
33 debug("iso9660_fs_file_read(0x%x,0x%x,0x%x,0x%x,0x%x)\n",stream
,start
,size
,buffer
);
34 struct iso9660_fs_res
*res
= (struct iso9660_fs_res
*)stream
->res
;
36 if (start
>res
->data_size
) return 0;
37 if (start
+size
>res
->data_size
) size
= res
->data_size
-start
;
39 iso9660_read(res
,start
,size
,buffer
);
40 //cdi_cache_entry_read(res->cache_entry,start,size,buffer);