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7zip/CPP/7zip/Archive/CpioHandler.cpp  view on Meta::CPAN

// CpioHandler.cpp

#include "StdAfx.h"

#include "Common/ComTry.h"
#include "Common/StringConvert.h"
#include "Common/StringToInt.h"

#include "Windows/PropVariant.h"
#include "Windows/Time.h"

#include "../Common/LimitedStreams.h"
#include "../Common/ProgressUtils.h"
#include "../Common/RegisterArc.h"
#include "../Common/StreamUtils.h"

#include "../Compress/CopyCoder.h"

#include "Common/ItemNameUtils.h"

namespace NArchive {
namespace NCpio {

namespace NFileHeader
{
  namespace NMagic
  {
    const char *kMagic1 = "070701";
    const char *kMagic2 = "070702";
    const char *kMagic3 = "070707";
    const char *kEndName = "TRAILER!!!";

    const Byte kMagicForRecord2[2] = { 0xC7, 0x71 };
  }

  const UInt32 kRecord2Size = 26;
  /*
  struct CRecord2
  {
    unsigned short c_magic;
    short c_dev;
    unsigned short c_ino;
    unsigned short c_mode;
    unsigned short c_uid;
    unsigned short c_gid;
    unsigned short c_nlink;
    short c_rdev;
    unsigned short c_mtimes[2];
    unsigned short c_namesize;
    unsigned short c_filesizes[2];
  };
  */
 
  const UInt32 kRecordSize = 110;
  /*
  struct CRecord
  {
    char Magic[6];  // "070701" for "new" portable format, "070702" for CRC format
    char inode[8];
    char Mode[8];
    char UID[8];
    char GID[8];
    char nlink[8];
    char mtime[8];
    char Size[8]; // must be 0 for FIFOs and directories
    char DevMajor[8];
    char DevMinor[8];
    char RDevMajor[8];  //only valid for chr and blk special files
    char RDevMinor[8];  //only valid for chr and blk special files
    char NameSize[8]; // count includes terminating NUL in pathname
    char ChkSum[8];  // 0 for "new" portable format; for CRC format the sum of all the bytes in the file
    bool CheckMagic() const
    { return memcmp(Magic, NMagic::kMagic1, 6) == 0 ||
             memcmp(Magic, NMagic::kMagic2, 6) == 0; };
  };
  */

  const UInt32 kOctRecordSize = 76;
 
}

struct CItem
{
  AString Name;
  UInt32 inode;
  UInt32 Mode;
  UInt32 UID;
  UInt32 GID;
  UInt32 Size;
  UInt32 MTime;

  // char LinkFlag;
  // AString LinkName; ?????
  char Magic[8];
  UInt32 NumLinks;
  UInt32 DevMajor;
  UInt32 DevMinor;
  UInt32 RDevMajor;
  UInt32 RDevMinor;
  UInt32 ChkSum;

  UInt32 Align;

  bool IsDir() const { return (Mode & 0170000) == 0040000; }
};