GZIP Archive - Revision history

imported>Ikskoks: /* Format Specifications */

2022-02-09T19:23:25Z

Format Specifications

← Older revision	Revision as of 19:23, 9 February 2022
(No difference)

imported>Ikskoks: /* Format Specifications */

2022-02-09T19:23:25Z

Format Specifications

← Older revision		Revision as of 19:23, 9 February 2022
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	=== Format Specifications ===		=== Format Specifications ===

	<div class="toccolours mw-collapsible" id="mw-customcollapsible-myDivision" style="width:~~800px~~; overflow:auto;">		<div class="toccolours mw-collapsible" id="mw-customcollapsible-myDivision" style="width:1000px; overflow:auto;">
	<pre>		<pre>
	//header		//header

imported>Ikskoks: /* Games */

2022-02-09T19:00:29Z

Games

← Older revision	Revision as of 19:00, 9 February 2022
(No difference)

imported>Ikskoks: /* Games */

2022-02-09T19:00:29Z

Games

← Older revision		Revision as of 19:00, 9 February 2022
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	=== Games ===		=== Games ===
	List of games using this file format:		List of games using this file format:
	* Deja Vu		* Deja Vu (*.DAT)

	=== QuickBMS Script ===		=== QuickBMS Script ===

imported>Ikskoks: /* See Also */

2022-02-09T18:57:38Z

imported>Ikskoks: /* See Also */

2022-02-09T18:57:38Z

imported>Ikskoks: /* Compatible Programs */

2022-02-09T18:57:11Z

Compatible Programs

← Older revision	Revision as of 18:57, 9 February 2022
(No difference)

imported>Ikskoks: /* Compatible Programs */

2022-02-09T18:57:11Z

Compatible Programs

← Older revision		Revision as of 18:57, 9 February 2022
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	* Winrar (autodetecs files with GZ extension)		* Winrar (autodetecs files with GZ extension)

			=== See Also ===

			* [https://datatracker.ietf.org/doc/html/rfc1952#section-2.2 GZ file format]
	<br/><br>		<br/><br>

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian
* ''' Signatur..."

2022-02-09T18:56:11Z

Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive <br> * ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian <br> * ''' Signatur..."

← Older revision	Revision as of 18:56, 9 February 2022
(No difference)

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian
* ''' Signatur..."

2022-02-09T18:56:11Z

Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive <br> * ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian <br> * ''' Signatur..."

New page

{{GRAFPageHeader}}
== GZIP, GZ ==

* ''' Format Type ''': Archive <br>
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian <br>
* ''' Signature ''': 1F 8B <br>

=== Format Specifications ===

<div class="toccolours mw-collapsible" id="mw-customcollapsible-myDivision" style="width:800px; overflow:auto;">
<pre>
//header
2 bytes (uint16) - signature // 1F 8B (35615)
1 byte (uint8) - compression method // 1-7 - reserved
// 8 - deflate
1 byte (uint8) - flags // bit 0 FTEXT - file is ASCII text
// bit 1 FHCRC - CRC16 for the gzip header is present
// bit 2 FEXTRA - optional extra fields are present
// bit 3 FNAME - an original file name is present
// bit 4 FCOMMENT - a zero-terminated file comment is present
// bit 5 reserved
// bit 6 reserved
// bit 7 reserved
4 bytes (time) - modification time in Unix format
1 byte (uint8) - extra flags // 2 - compressor used maximum compression, slowest algorithm
// 4 - compressor used fastest algorithm
1 byte (uint8) - operating system / file system // 0 - FAT filesystem (MS-DOS, OS/2, NT/Win32)
// 1 - Amiga
// 2 - VMS (or OpenVMS)
// 3 - Unix
// 4 - VM/CMS
// 5 - Atari TOS
// 6 - HPFS filesystem (OS/2, NT)
// 7 - Macintosh
// 8 - Z-System
// 9 - CP/M
// 10 - TOPS-20
// 11 - NTFS filesystem (NT)
// 12 - QDOS
// 13 - Acorn RISCOS
// 255 - unknown

// extra header
x bytes - optional extra header

// body
x bytes - body with DEFLATE compressed payload

// footer
4 bytes - CRC32
4 bytes (uint32) - size of the original (uncompressed) input data modulo 2^32.
</pre>
</div>

=== Notes and Comments ===

None.

=== Games ===
List of games using this file format:
* Deja Vu

=== QuickBMS Script ===

Not written yet.

=== Compatible Programs ===

* Winrar (autodetecs files with GZ extension)
<br/><br>

[[Category:Complete Complete|GZIP Archive]]
[[Category:Platform PC|GZIP Archive]]
[[Category:CE Compressed|GZIP Archive]]
[[Category:Format_Archive | Type: Archive]]
[[Category:Extension_gz | Extension: gz]]
[[Category:BMS_None | BMS: None]]
[[Category:GZIP compression]]
[[Category:Deflate compression]]
[[Category:File Format]]

← Older revision		Revision as of 18:57, 9 February 2022
Line 74:		Line 74:

	* [https://datatracker.ietf.org/doc/html/rfc1952#section-2.2 GZ file format]		* [https://datatracker.ietf.org/doc/html/rfc1952#section-2.2 GZ file format]
			* [https://en.wikipedia.org/wiki/Gzip GZIP description (wikipedia)]
	<br/><br>		<br/><br>

GZIP Archive - Revision history

imported>Ikskoks: /* Format Specifications */

imported>Ikskoks: /* Format Specifications */

imported>Ikskoks: /* Games */

imported>Ikskoks: /* Games */

imported>Ikskoks: /* See Also */

imported>Ikskoks: /* See Also */

imported>Ikskoks: /* Compatible Programs */

imported>Ikskoks: /* Compatible Programs */

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive * ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian * ''' Signatur..."

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive * ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian * ''' Signatur..."

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian
* ''' Signatur..."

imported>Ikskoks: Created page with "{{GRAFPageHeader}} == GZIP, GZ == * ''' Format Type ''': Archive
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian
* ''' Signatur..."