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Posted to issues@commons.apache.org by "Julius Davies (JIRA)" <ji...@apache.org> on 2012/12/06 03:46:59 UTC
[jira] [Created] (COMPRESS-210) handle zip extra field 0x5455 -
Extended Timestamp
Julius Davies created COMPRESS-210:
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Summary: handle zip extra field 0x5455 - Extended Timestamp
Key: COMPRESS-210
URL: https://issues.apache.org/jira/browse/COMPRESS-210
Project: Commons Compress
Issue Type: Improvement
Components: Archivers
Reporter: Julius Davies
Priority: Minor
>From Info Zip's "zip-3.0" source archive (proginfo/extrafld.txt):
-Extended Timestamp Extra Field:
==============================
The following is the layout of the extended-timestamp extra block.
(Last Revision 19970118)
Local-header version:
Value Size Description
----- ---- -----------
(time) 0x5455 Short tag for this extra block type ("UT")
TSize Short total data size for this block
Flags Byte info bits
(ModTime) Long time of last modification (UTC/GMT)
(AcTime) Long time of last access (UTC/GMT)
(CrTime) Long time of original creation (UTC/GMT)
Central-header version:
Value Size Description
----- ---- -----------
(time) 0x5455 Short tag for this extra block type ("UT")
TSize Short total data size for this block
Flags Byte info bits (refers to local header!)
(ModTime) Long time of last modification (UTC/GMT)
The central-header extra field contains the modification time only,
or no timestamp at all. TSize is used to flag its presence or
absence. But note:
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