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/*
* ecma119_read.h
*
* Defines structures for reading from a iso image.
*/
#ifndef ECMA119_READ_H_
#define ECMA119_READ_H_
#include <stdint.h>
#include "libisofs.h"
enum read_error {
LIBISOFS_READ_OK = 0,
LIBISOFS_READ_FAILURE, /**< Truncated image or read error */
LIBISOFS_WRONG_PVM, /**< Incorrect PVM */
LIBISOFS_UNSUPPORTED_IMAGE, /**< Format not supported (interleaved...) */
LIBISOFS_WRONG_RR /**< Wrong RR/SUSP extension format */
};
/**
* Should the RR extensions be read?
*/
enum read_rr_ext {
RR_EXT_NO = 0, /*< Do not use RR extensions */
RR_EXT_110, /*< RR extensions conforming version 1.10 */
RR_EXT_112 /*< RR extensions conforming version 1.12 */
};
/**
* Structure that keeps info needed in the read process.
*/
struct iso_read_info {
struct data_source *src;
enum read_error error;
uid_t uid; /**< Default uid when no RR */
gid_t gid; /**< Default uid when no RR */
mode_t mode; /**< Default mode when no RR (only permissions) */
uint32_t iso_root_block; /**< Will be filled with the block lba of the
* extend for the root directory, as read from
* the PVM
*/
enum read_rr_ext rr; /*< If we need to read RR extensions. i.e., if the image
* contains RR extensions, and the user wants to read them. */
char *(*get_name)(const char *, size_t);
/**<
* The function used to read the name from a directoy record. For
* ISO, the name is in US-ASCII. For Joliet, in UCS-2BE. Thus, we
* need different functions for both.
*/
ino_t ino; /*< Joliet and RR version 1.10 does not have file serial numbers,
* we need to generate it. */
uint8_t len_skp; /*< bytes skipped within the System Use field of a
directory record, before the beginning of the SUSP
system user entries. See IEEE 1281, SUSP. 5.3. */
unsigned int norock:1; /*< Do not read Rock Ridge extensions */
unsigned int hasRR:1; /*< It will be set to 1 if RR extensions are present,
to 0 if not. */
unsigned int hasJoliet:1; /*< It will be set to 1 if Joliet ext are present,
to 0 if not. */
uint32_t *size;
/* place for el-torito boot catalog */
struct el_torito_boot_catalog *bootcat;
};
#endif /*ECMA119_READ_H_*/