package org.xbib.io.archive.tar;
/**
* This interface contains all the definitions used in the package.
* For tar formats (FORMAT_OLDGNU, FORMAT_POSIX, etc.) see GNU tar
* <I>tar.h</I> type <I>enum archive_format</I>
*/
public interface TarConstants {
int GNU_FORMAT = 0;
int USTAR_FORMAT = 1;
int UNIX_FORMAT = 2;
/**
* Pure Posix format.
*/
int POSIX_FORMAT = 3;
/**
* The length of the name field in a header buffer.
*/
int NAMELEN = 100;
/**
* The length of the mode field in a header buffer.
*/
int MODELEN = 8;
/**
* The length of the user id field in a header buffer.
*/
int UIDLEN = 8;
/**
* The length of the group id field in a header buffer.
*/
int GIDLEN = 8;
/**
* The maximum value of gid/uid in a tar archive which can
* be expressed in octal char notation (that's 7 sevens, octal).
*/
long MAXID = 07777777L;
/**
* The length of the checksum field in a header buffer.
*/
int CHKSUMLEN = 8;
/**
* The length of the size field in a header buffer.
* Includes the trailing space or NUL.
*/
int SIZELEN = 12;
/**
* The maximum size of a file in a tar archive
* which can be expressed in octal char notation (that's 11 sevens, octal).
*/
long MAXSIZE = 077777777777L;
/**
* Offset of start of magic field within header record
*/
int MAGIC_OFFSET = 257;
/**
* The length of the magic field in a header buffer.
*/
int MAGICLEN = 6;
/**
* Offset of start of magic field within header record
*/
int VERSION_OFFSET = 263;
/**
* Previously this was regarded as part of "magic" field, but it is separate.
*/
int VERSIONLEN = 2;
/**
* The length of the modification time field in a header buffer.
*/
int MODTIMELEN = 12;
/**
* The length of the user name field in a header buffer.
*/
int UNAMELEN = 32;
/**
* The length of the group name field in a header buffer.
*/
int GNAMELEN = 32;
/**
* The length of each of the device fields (major and minor) in a header buffer.
*/
int DEVLEN = 8;
/**
* Length of the prefix field.
*/
int PREFIXLEN = 155;
/**
* The length of the access time field in an old GNU header buffer.
*/
int ATIMELEN_GNU = 12;
/**
* The length of the created time field in an old GNU header buffer.
*/
int CTIMELEN_GNU = 12;
/**
* The length of the multivolume start offset field in an old GNU header buffer.
*/
int OFFSETLEN_GNU = 12;
/**
* The length of the long names field in an old GNU header buffer.
*/
int LONGNAMESLEN_GNU = 4;
/**
* The length of the padding field in an old GNU header buffer.
*/
int PAD2LEN_GNU = 1;
/**
* The sum of the length of all sparse headers in an old GNU header buffer.
*/
int SPARSELEN_GNU = 96;
/**
* The length of the is extension field in an old GNU header buffer.
*/
int ISEXTENDEDLEN_GNU = 1;
/**
* The length of the real size field in an old GNU header buffer.
*/
int REALSIZELEN_GNU = 12;
/**
* LF_ constants represent the "link flag" of an entry, or more commonly,
* the "entry type". This is the "old way" of indicating a normal file.
*/
byte LF_OLDNORM = 0;
/**
* Normal file type.
*/
byte LF_NORMAL = (byte) '0';
/**
* Link file type.
*/
byte LF_LINK = (byte) '1';
/**
* Symbolic link file type.
*/
byte LF_SYMLINK = (byte) '2';
/**
* Character device file type.
*/
byte LF_CHR = (byte) '3';
/**
* Block device file type.
*/
byte LF_BLK = (byte) '4';
/**
* Directory file type.
*/
byte LF_DIR = (byte) '5';
/**
* FIFO (pipe) file type.
*/
byte LF_FIFO = (byte) '6';
/**
* Contiguous file type.
*/
byte LF_CONTIG = (byte) '7';
/**
* Identifies the *next* file on the tape as having a long name.
*/
byte LF_GNUTYPE_LONGNAME = (byte) 'L';
/**
* Sparse file type.
*/
byte LF_GNUTYPE_SPARSE = (byte) 'S';
// See "http://www.opengroup.org/onlinepubs/009695399/utilities/pax.html#tag_04_100_13_02"
/**
* Identifies the entry as a Pax extended header.
*/
byte LF_PAX_EXTENDED_HEADER_LC = (byte) 'x';
/**
* Identifies the entry as a Pax extended header (SunOS tar -E).
*/
byte LF_PAX_EXTENDED_HEADER_UC = (byte) 'X';
/**
* Identifies the entry as a Pax global extended header.
*/
byte LF_PAX_GLOBAL_EXTENDED_HEADER = (byte) 'g';
String MAGIC_UNIX = "\0\0\0\0\0";
/**
* The magic tag representing a POSIX tar archive.
*/
String MAGIC_POSIX = "ustar\0";
String VERSION_POSIX = "00";
/**
* The magic tag representing a GNU tar archive.
*/
String MAGIC_GNU = "ustar ";
// Appear to be two possible GNU versions
String VERSION_GNU_SPACE = " \0";
String VERSION_GNU_ZERO = "0\0";
/**
* The magic tag representing an Ant tar archive.
*/
String MAGIC_ANT = "ustar\0";
/**
* The "version" representing an Ant tar archive.
*/
// Does not appear to have a version, however Ant does write 8 bytes,
// so assume the version is 2 nulls
String VERSION_ANT = "\0\0";
/**
* The name of the GNU tar entry which contains a long name.
*/
String GNU_LONGLINK = "././@LongLink";
/**
* Fail if a long file name is required in the archive.
*/
int LONGFILE_ERROR = 0;
/**
* Long paths will be truncated in the archive.
*/
int LONGFILE_TRUNCATE = 1;
/**
* GNU tar extensions are used to store long file names in the archive.
*/
int LONGFILE_GNU = 2;
/**
* POSIX/PAX extensions are used to store long file names in the archive.
*/
int LONGFILE_POSIX = 3;
/**
* Fail if a big number (e.g. size > 8GiB) is required in the archive.
*/
int BIGNUMBER_ERROR = 0;
/**
* star/GNU tar/BSD tar extensions are used to store big number in the archive.
*/
int BIGNUMBER_STAR = 1;
/**
* POSIX/PAX extensions are used to store big numbers in the archive.
*/
int BIGNUMBER_POSIX = 2;
/**
* Default record size
*/
int DEFAULT_RECORD_SIZE = 512;
/**
* Default block size
*/
int DEFAULT_BLOCK_SIZE = DEFAULT_RECORD_SIZE * 20;
int SMALL_BUFFER_SIZE = 256;
}