mirror of
https://github.com/vivier/EMILE.git
synced 2024-12-21 18:30:20 +00:00
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
|
|
*
|
|
* (c) 2005-2008 Laurent Vivier <Laurent@lvivier.info>
|
|
*
|
|
*/
|
|
|
|
#ifndef __ISO9660_H__
|
|
#define __ISO9660_H__
|
|
|
|
#include <unistd.h>
|
|
#include <linux/iso_fs.h>
|
|
|
|
#define ISO9660_EXTENT_SIZE (2048)
|
|
|
|
typedef struct iso9660_VOLUME {
|
|
int ucs_level;
|
|
struct iso_primary_descriptor *descriptor;
|
|
device_io_t *device;
|
|
} iso9660_VOLUME;
|
|
|
|
typedef struct iso9660_DIR {
|
|
iso9660_VOLUME *volume;
|
|
int extent;
|
|
int len;
|
|
int index;
|
|
unsigned char buffer[ISO9660_EXTENT_SIZE];
|
|
} iso9660_DIR;
|
|
|
|
typedef struct iso9660_FILE {
|
|
iso9660_VOLUME *volume;
|
|
int base; /* first extent of the file */
|
|
int size; /* size of the file */
|
|
int offset;
|
|
int current;
|
|
unsigned char buffer[ISO9660_EXTENT_SIZE];
|
|
} iso9660_FILE;
|
|
|
|
static inline int isonum_721(char *p)
|
|
{
|
|
return ((p[0] & 0xff)
|
|
| ((p[1] & 0xff) << 8));
|
|
}
|
|
|
|
static inline int isonum_723(char *p)
|
|
{
|
|
return (isonum_721(p));
|
|
}
|
|
|
|
static inline int isonum_733(char *p)
|
|
{
|
|
return ((p[0] & 0xff) | ((p[1] & 0xff) << 8) |
|
|
((p[2] & 0xff) << 16) | ((p[3] & 0xff) << 24));
|
|
}
|
|
|
|
extern struct iso_directory_record *iso9660_get_root_node(iso9660_VOLUME* volume);
|
|
extern struct iso_directory_record* iso9660_get_node(iso9660_VOLUME *volume, struct iso_directory_record *dirnode, char *path);
|
|
|
|
#endif /* __ISO9660_H__ */
|