Bug 1025817 - RFE: Fix header reading in order to enable large file support
RFE: Fix header reading in order to enable large file support
Product: Fedora
Classification: Fedora
Component: gdbm (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Marek Skalický
Fedora Extras Quality Assurance
: FutureFeature, Reopened
Depends On:
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Reported: 2013-11-01 12:27 EDT by Honza Horak
Modified: 2017-05-16 08:08 EDT (History)
2 users (show)

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Doc Type: Enhancement
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Last Closed: 2017-05-16 08:08:20 EDT
Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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Description Honza Horak 2013-11-01 12:27:49 EDT
Description of problem:
Currently we cannot use largefile support for GDBM, because part of the GDBM that reads header of the database file is not written correctly and we wouldn't be able to read files created with previous build of GDBM with new build of GDBM (with largefile support). However, I believe it is possible to rewrite part of the gdbm code to read both versions since they use specific magic numbers.
Comment 1 Honza Horak 2014-03-06 02:05:36 EST
Just some other thoughts..

GDBM reads the header as a big chunk of data, so it understands only one specific format now. If the header is read field by field, I believe it would be able to accept also other formats and we'll be finally able to support large file support, while be able to read the database file created without large file support at the same time.
Comment 2 Fedora Admin XMLRPC Client 2014-09-11 11:13:53 EDT
This package has changed ownership in the Fedora Package Database.  Reassigning to the new owner of this component.
Comment 3 Fedora End Of Life 2015-05-29 05:40:22 EDT
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Comment 4 Fedora End Of Life 2015-06-29 20:44:03 EDT
Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is
no longer maintained, which means that it will not receive any further
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Comment 5 Marek Skalický 2017-05-16 08:08:20 EDT
Gdbm in latest versions contains gdbm_dump (and gdbmexport) tool which allows exporting of database to Flat Format (see gdbm doc).

Also it is possible to install gdbm.i686 on 64-bit systems to support reading of gdbm databases created without largefiles support.

Feel free to reopen. Or for new features create bugs in upstream tracker - https://puszcza.gnu.org.ua/bugs/?group=gdbm

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