/*
* Copyright (c) 2012 Julia Medvedeva
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup udf
* @{
*/
/**
* @file udf_types.h
* @brief UDF common types
*/
#ifndef UDF_UDF_TYPES_H_
#define UDF_UDF_TYPES_H_
#include <stdint.h>
#include <stdbool.h>
#include <byteorder.h>
#define GET_LE16(x) x = uint16_t_le2host(x)
#define GET_LE32(x) x = uint32_t_le2host(x)
#define FLE16(x) uint16_t_le2host(x)
#define FLE32(x) uint32_t_le2host(x)
#define FLE64(x) uint64_t_le2host(x)
#define ALL_UP(n, b) ((n) / (b) + ((n) % (b) != 0))
#define EXT_LENGTH(x) (x & 0x3FFFFFFF)
typedef uint8_t udf_dstring;
/* Timestamp descriptor (ECMA 167 1/7.3) */
typedef struct udf_timestamp {
uint16_t type_and_tz;
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t min;
uint8_t sec;
uint8_t centisec;
uint8_t h_of_mcsec;
uint8_t mcsec;
} __attribute__((packed)) udf_timestamp_t;
/* Universal descriptor tag (ECMA 167 3/7.2) */
typedef struct udf_descriptor_tag {
uint16_t id;
uint16_t version;
uint8_t checksum;
uint8_t reserved;
uint16_t serial;
uint16_t descriptor_crc;
uint16_t descriptor_crc_length;
uint32_t location;
} __attribute__((packed)) udf_descriptor_tag_t;
/* Entity descriptor (ECMA 167 1/7.4) */
typedef struct udf_regid {
uint8_t flags;
uint8_t id[23];
uint8_t id_suffix[8];
} __attribute__((packed)) udf_regid_t;
/* Character set specification (ECMA 167 1/7.2.1) */
typedef struct udf_charspec {
uint8_t type;
uint8_t info[63];
} __attribute__((packed)) udf_charspec_t;
/* Recorded address (ECMA 167 4/7.1) */
typedef struct udf_lb_addr {
uint32_t lblock_num; /* Relative to start of the partition (from 0) */
uint16_t partition_num; /* Relative to logical volume or not? */
} __attribute__((packed)) udf_lb_addr_t;
/* Long Allocation Descriptor (ECMA 167 4/14.14.2) */
typedef struct udf_long_ad {
uint32_t length;
udf_lb_addr_t location;
uint8_t implementation_use[6];
} __attribute__((packed)) udf_long_ad_t;
/* Short Allocation Descriptor (ECMA 167 4/14.14.1) */
typedef struct udf_short_ad {
uint32_t length;
uint32_t position;
} __attribute__((packed)) udf_short_ad_t;
/* Extended Allocation Descriptor (ECMA 167 4/14.14.3) */
typedef struct udf_ext_ad {
uint32_t extent_length;
uint32_t recorded_length;
uint32_t info_length;
udf_lb_addr_t extent_location;
uint8_t implementation_use[2];
} __attribute__((packed)) udf_ext_ad_t;
/* Extent descriptor (ECMA 167 3/7.1) */
typedef struct udf_extent {
uint32_t length; /* Bytes */
uint32_t location; /* Sectors */
} __attribute__((packed)) udf_extent_t;
/* Terminating Descriptor (ECMA 167 3/10.9) */
typedef struct udf_terminating_descriptor {
udf_descriptor_tag_t tag;
uint8_t reserved[496];
} __attribute__((packed)) udf_terminating_descriptor_t;
/* Unallocated Space Descriptor (ECMA 167 3/10.8) */
typedef struct udf_unallocated_space_descriptor {
udf_descriptor_tag_t tag;
uint32_t sequence_number;
uint32_t allocation_descriptors_num;
udf_extent_t allocation_descriptors[0];
} __attribute__((packed)) udf_unallocated_space_descriptor_t;
#endif
/**
* @}
*/