iso9660.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef ISO9660_H
#define ISO9660_H
 
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/PointerGuard.h"
 
struct Iso9660Timestamp {
  uint8_t Year[4];
  uint8_t Month[2];
  uint8_t Day[2];
  uint8_t Hour[2];
  uint8_t Minute[2];
  uint8_t Second[2];
  uint8_t CentiSeconds[2];
  uint8_t Offset;
} __attribute__((packed));
 
struct Iso9660DirTimestamp {
  uint8_t Year;
  uint8_t Month;
  uint8_t Day;
  uint8_t Hour;
  uint8_t Minute;
  uint8_t Second;
  uint8_t Offset;
} __attribute__((packed));
 
struct Iso9660VolumeDescriptor {
  uint8_t Type;
  uint8_t Ident[5];
  uint8_t Version;
} __attribute__((packed));
 
struct Iso9660VolumeDescriptorPrimary {
  Iso9660VolumeDescriptor Header;
 
  uint8_t Unused1;
 
  uint8_t SysIdent[32];
  uint8_t VolIdent[32];
 
  uint8_t Unused2[8];
 
  uint32_t VolSpaceSize_LE;  // little-endian
  uint32_t VolSpaceSize_BE;  // big-endian
 
  uint8_t Unused3_EscSequences[32];  // Supplementary descriptors use this field
 
  uint16_t VolSetSize_LE;
  uint16_t VolSetSize_BE;
 
  uint16_t VolSeqNum_LE;
  uint16_t VolSeqNum_BE;
 
  uint16_t LogicalBlockSize_LE;
  uint16_t LogicalBlockSize_BE;
 
  uint32_t PathTableSize_LE;
  uint32_t PathTableSize_BE;
 
  uint32_t TypeLPathTableOccurence;
  uint32_t TypeLPathTableOptionOccurence;
  uint32_t TypeMPathTableOccurence;
  uint32_t TypeMPathTableOptionOccurence;
 
  uint8_t RootDirRecord[34];
 
  uint8_t VolSetIdent[128];
  uint8_t PublisherIdent[128];
  uint8_t DataPreparerIdent[128];
  uint8_t ApplicationIdent[128];
  uint8_t CopyrightFileIdent[37];
  uint8_t AbstractFileIdent[37];
  uint8_t BiblioFileIdent[37];
 
  Iso9660Timestamp VolumeCreationTime;
  Iso9660Timestamp VolumeModificationTime;
  Iso9660Timestamp VolumeExpiryTime;
  Iso9660Timestamp VolumeEffectiveTime;
 
  uint8_t FileStructVersion;
 
  uint8_t Rsvd1;
 
  uint8_t ApplicationUse[512];
 
  uint8_t Rsvd2[653];
} __attribute__((packed));
 
struct Iso9660DirRecord {
  uint8_t RecLen;
 
  uint8_t ExtAttrRecordLen;
 
  uint32_t ExtentLocation_LE;
  uint32_t ExtentLocation_BE;
 
  uint32_t DataLen_LE;
  uint32_t DataLen_BE;
 
  Iso9660DirTimestamp Time;
 
  uint8_t FileFlags;
  uint8_t FileUnitSize;
  uint8_t InterleaveGapSize;
 
  uint16_t VolSeqNum_LE;
  uint16_t VolSeqNum_BE;
 
  uint8_t FileIdentLen;
} __attribute__((packed));
 
#define PRIM_VOL_DESC 1
#define SUPP_VOL_DESC 2
#define TERM_VOL_DESC 255
 
String WideToMultiByteStr(uint8_t* in, size_t inLen, size_t maxLen);
 
#endif