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Request #33623 History buffer in gzinflate
Submitted: 2005-07-09 15:08 UTC Modified: 2016-12-30 23:00 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: vincent dot lascaux at centraliens dot net Assigned:
Status: Open Package: Zlib related
PHP Version: 5.0.4 OS:
Private report: No CVE-ID: None
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From: vincent dot lascaux at centraliens dot net
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 [2005-07-09 15:08 UTC] vincent dot lascaux at centraliens dot net
Description:
------------
Hi,

I'm the autor of File_Archive (http://pear.php.net/package/File_Archive) and I'm adding a CAB file reader to it. This format can store deflated data, that can be uncompressed with gzinflate. Unfortunately, the data is cut blocks. The doc specifies that "Each block is flushed out of the compressor before the next block begins, so the last sub-block in each block will be marked as the ‘end’ of the stream. Any decoding trees are discarded after each block, with only the history buffer surviving from one block to the next."

My feature request is to be able to give to gzinflate the history buffer to use, and to retrieve from it the history buffer after the compression of the data.

A possible syntax would be
string gzinflate(string data[, int length[, array options]])
The array could store a reference to a history buffer that would be used (if not null) to uncompress the data and that would be updated after the data has been uncompressed.



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 [2016-12-30 23:00 UTC] cmb@php.net
-Package: Feature/Change Request +Package: Zlib related
 
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