diff options
Diffstat (limited to 'contrib/file/Magdir/compress')
| -rw-r--r-- | contrib/file/Magdir/compress | 93 |
1 files changed, 25 insertions, 68 deletions
diff --git a/contrib/file/Magdir/compress b/contrib/file/Magdir/compress index e9be46b76c40d..f4fe4a47d5e0f 100644 --- a/contrib/file/Magdir/compress +++ b/contrib/file/Magdir/compress @@ -14,46 +14,38 @@ >2 byte&0x1f x %d bits # gzip (GNU zip, not to be confused with Info-ZIP or PKWARE zip archiver) -# Edited by Chris Chittleborough <cchittleborough@yahoo.com.au>, March 2002 -# * Original filename is only at offset 10 if "extra field" absent -# * Produce shorter output - notably, only report compression methods -# other than 8 ("deflate", the only method defined in RFC 1952). 0 string \037\213 gzip compressed data ->2 byte <8 \b, reserved method ->2 byte >8 \b, unknown method ->3 byte &0x01 \b, ASCII ->3 byte &0x02 \b, has CRC ->3 byte &0x04 \b, extra field ->3 byte&0xC =0x08 ->>10 string x \b, was "%s" ->3 byte &0x10 \b, has comment ->9 byte =0x00 \b, from FAT filesystem (MS-DOS, OS/2, NT) ->9 byte =0x01 \b, from Amiga ->9 byte =0x02 \b, from VMS ->9 byte =0x03 \b, from Unix ->9 byte =0x04 \b, from VM/CMS ->9 byte =0x05 \b, from Atari ->9 byte =0x06 \b, from HPFS filesystem (OS/2, NT) ->9 byte =0x07 \b, from MacOS ->9 byte =0x08 \b, from Z-System ->9 byte =0x09 \b, from CP/M ->9 byte =0x0A \b, from TOPS/20 ->9 byte =0x0B \b, from NTFS filesystem (NT) ->9 byte =0x0C \b, from QDOS ->9 byte =0x0D \b, from Acorn RISCOS ->3 byte &0x10 \b, comment ->3 byte &0x20 \b, encrypted ->4 ledate >0 \b, last modified: %s ->8 byte 2 \b, max compression ->8 byte 4 \b, max speed +>2 byte <8 \b, reserved method, +>2 byte 8 \b, deflated, +>3 byte &0x01 ASCII, +>3 byte &0x02 continuation, +>3 byte &0x04 extra field, +>3 byte &0x08 original filename, +>>10 string x `%s', +>3 byte &0x10 comment, +>3 byte &0x20 encrypted, +>4 ledate x last modified: %s, +>8 byte 2 max compression, +>8 byte 4 max speed, +>9 byte =0x00 os: MS-DOS +>9 byte =0x01 os: Amiga +>9 byte =0x02 os: VMS +>9 byte =0x03 os: Unix +>9 byte =0x05 os: Atari +>9 byte =0x06 os: OS/2 +>9 byte =0x07 os: MacOS +>9 byte =0x0A os: Tops/20 +>9 byte =0x0B os: Win/32 # packed data, Huffman (minimum redundancy) codes on a byte-by-byte basis 0 string \037\036 packed data >2 belong >1 \b, %d characters originally >2 belong =1 \b, %d character originally # -# This magic number is byte-order-independent. -0 short 0x1f1f old packed data +# This magic number is byte-order-independent. XXX - Does that mean this +# is big-endian, little-endian, either, or that you can't tell? +# this short is valid for SunOS +0 short 017437 old packed data # XXX - why *two* entries for "compacted data", one of which is # byte-order independent, and one of which is byte-order dependent? @@ -152,38 +144,3 @@ >>17 byte =0x0A os: Tops/20 >>17 byte =0x0B os: WinNT >>17 byte =0x0E os: Win32 - -# 4.3BSD-Quasijarus Strong Compression -# http://minnie.tuhs.org/Quasijarus/compress.html -0 string \037\241 Quasijarus strong compressed data - -# From: Cory Dikkers <cdikkers@swbell.net> -0 string XPKF Amiga xpkf.library compressed data -0 string PP11 Power Packer 1.1 compressed data -0 string PP20 Power Packer 2.0 compressed data, ->4 belong 0x09090909 fast compression ->4 belong 0x090A0A0A mediocre compression ->4 belong 0x090A0B0B good compression ->4 belong 0x090A0C0C very good compression ->4 belong 0x090A0C0D best compression - -# 7-zip archiver, from Thomas Klausner (wiz@danbala.tuwien.ac.at) -# http://www.7-zip.org or DOC/7zFormat.txt -# -0 string 7z\274\257\047\034 7-zip archive data, ->6 byte x version %d ->7 byte x \b.%d - -# AFX compressed files (Wolfram Kleff) -2 string -afx- AFX compressed file data - -# Supplementary magic data for the file(1) command to support -# rzip(1). The format is described in magic(5). -# -# Copyright (C) 2003 by Andrew Tridgell. You may do whatever you want with -# this file. -# -0 string RZIP rzip compressed data ->4 byte x - version %d ->5 byte x \b.%d ->6 belong x (%d bytes) |