#4296: gdbm-1.15
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Reporter: bdubbs@… | Owner: lfs-book
Type: task | Status: new
Priority: normal | Milestone: 8.3
Component: Book | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs@…):
Version 1.15 - 2018-06-15
* Extensive database consistency checking
GDBM tries to detect inconsistencies in input database files as
early as possible. When an inconcistency is detected, a helpful
diagnostics is returned and the database is marked as needing
recovery. From this moment on, any GDBM function trying to access
the database will immediately return error code (instead of
eventually segfaulting as previous versions did). In order to
reconstruct the database and return it to healthy state, the
gdbm_recover function should be used.
* Improved error checking
* Removed gdbm-1.8.3 compatibility layer
* Commands can be given to gdbmtool in the command line
The syntax is:
gdbmtool DBNAME COMMAND [ARGS...]
Multiple commands are separated by semicolon (take care to escape it),
e.g.:
gdbmtool t.db count\; avail
* Fixed data conversion bugs in storing structured keys or content
* New member in the gdbm_recovery structure: duplicate_keys.
Upon return from gdbm_recover, this member holds the number of keys
that has not been recovered, because the same key had already been stored
in the database. The actual number of stored keys is thus
recovered_keys - duplicate_keys.
* New error codes.
- GDBM_BAD_BUCKET "Malformed bucket header"
- GDBM_BAD_HEADER "Malformed database file header"
- GDBM_BAD_AVAIL "Malformed avail_block"
- GDBM_BAD_HASH_TABLE "Malformed hash table"
- GDBM_BAD_DIR_ENTRY "Invalid directory entry"
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Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/4296#comment:1>
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