EMILE/libiso9660/iso9660.h

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__ */