RAR - Revision history

Jamming: /* File Header (File in Archive) */

2012-07-26T11:13:40Z

‎File Header (File in Archive)

2012-05-01T13:52:31Z

2012-04-24T15:13:10Z

2012-04-24T15:11:48Z

2012-04-24T15:11:11Z

2012-04-16T14:07:24Z

2012-04-13T15:37:33Z

2012-04-13T14:21:14Z

2012-04-13T13:55:57Z

2012-04-12T20:03:46Z

@@ Line 380: / Line 380: @@
 | 5
 | BeOS
 |}
 ----

@@ Line 412: / Line 412: @@
 :* RAR file unarchiver written in C
 :* Easy implementation with a header file and the source code file
 :* [http://www.unrarlib.org/ Information Link]
@@ Line 418: / Line 419: @@
 :* Only software that can create and open a RAR file
 :* Distributed by a proprietary license
 :* [http://www.rarlab.com/download.htm WinRAR executable for Windows]

← Older revision		Revision as of 15:13, 24 April 2012
Line 1:		Line 1:
−	RAR Archives ('''R'''oshal '''AR'''chive file format) is a proprietary format for storing information created by Eugene Roshal. The format is currently handled by Alexander Roshal, Eugene's brother.	+	RAR Archives ('''R'''oshal '''AR'''chive file format) are a proprietary format for storing information created by Eugene Roshal. The format is currently handled by Alexander Roshal, Eugene's brother.

	==Format==		==Format==

@@ Line 11: / Line 11: @@
 Older versions of the RAR file format have a magic number of :
-<pre>0x 52 45 7e 5e</pre>
+<pre>0x 52 45 7E 5E</pre>
 This format will not be discussed as documentation cannot be found.

@@ Line 9: / Line 9: @@
 :* 0x1A21 - HEAD_FLAGS
 :* 0x0007 - HEAD_SIZE
 ----

@@ Line 4: / Line 4: @@
 The file has the magic number of:
 <pre>0x 52 61 72 21 1A 07 00</pre>
-which is a break down of the following to describe an Archive Header:
+Which is a break down of the following to describe an Archive Header:
 :* 0x6152 - HEAD_CRC
 :* 0x72 - HEAD_TYPE
@@ Line 13: / Line 13: @@
 ===RAR File Format===
-Each Block has the following fields
+Each Block has the following fields:
 {| class="wikitable"
 |+ Block Fields
@@ Line 41: / Line 41: @@
 |}
-The field ADD_SIZE present only if (HEAD_FLAGS & 0x8000) != 0
+The field ADD_SIZE present only if (HEAD_FLAGS & 0x8000) != 0.
@@ Line 52: / Line 52: @@
 ----
-There are certain block types
+There are certain block types:
 {| class="wikitable"
@@ Line 118: / Line 118: @@
 |}
-* Note: the marker block is considered a fixed byte sequence (AKA, magic number) of: 0x52 0x61 0x72 0x21 0x1A 0x07 0x00 (which is seen as 'Rar!  ')
+* Note: the marker block is considered a fixed byte sequence (AKA, magic number) of: 0x52 0x61 0x72 0x21 0x1A 0x07 0x00 (which is seen as 'Rar!  ').
 ----
@@ Line 378: / Line 378: @@
 |}
 ----
 ==Metadata==
 ==Sub-formats==

@@ Line 40: / Line 40: @@
 | Optional field - added block size
 |}
 ----

@@ Line 7: / Line 7: @@
 :* 0x6152 - HEAD_CRC
 :* 0x72 - HEAD_TYPE
-:* 0x1a21 - HEAD_FLAGS
+:* 0x1A21 - HEAD_FLAGS
 :* 0x0007 - HEAD_SIZE
@@ Line 101: / Line 101: @@
 | HEAD_FLAGS
 | 2
-| Always 0x1a21
+| Always 0x1A21
 |-
 | HEAD_SIZE
@@ Line 108: / Line 108: @@
 |}
-* Note: the marker block is considered a fixed byte sequence (AKA, magic number) of: 0x52 0x61 0x72 0x21 0x1a 0x07 0x00 (which is seen as 'Rar!  ')
+* Note: the marker block is considered a fixed byte sequence (AKA, magic number) of: 0x52 0x61 0x72 0x21 0x1A 0x07 0x00 (which is seen as 'Rar!  ')
 ----

@@ Line 247: / Line 247: @@
 | High 4 bytes of 64-bit value of uncompressed file size. Optional value, presents only if bit 0x100 in HEAD_FLAGS is set.
 |-
-| FILE)NAME
+| FILE_NAME
 | NAME_SIZE bytes
 | File name - string of NAME_SIZE bytes size

@@ Line 10: / Line 10: @@
 :* 0x0007 - HEAD_SIZE
+----
 ===RAR File Format===
@@ Line 76: / Line 76: @@
 | subblock
 |}
 ===Block Formats===
 ====Marker Block (MARK_HEAD)====
@@ Line 176: / Line 178: @@
 |}
 * Other bits in HEAD_FLAGS are reserved for internal use.
 ====File Header (File in Archive)====
 {| class="wikitable"
@@ Line 235: / Line 213: @@
 | HOST_OS
 | 1
-| Operating system used for archiving (See the 'OS Indications' table for the flags used)
+| Operating system used for archiving (See the 'Operating System Indicators' table for the flags used)
 |-
 | FILE_CRC
@@ Line 366: / Line 344: @@
 |}
 ----