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These flags provide insert-new and overwrite-existing record semantics
respectively.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
After dbwrap_record_storev()/delete(), dbwrap_record_get_value()
information is stale. Assert on the attempt to re-fetch data after it
became stale. This can't protect against someone copying the result
from dbwrap_record_get_value() somewhere else, but it's better than
nothing.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Fix ubsan warning null pointer passed as argument 2 when the source
pointer is NULL. The calls to memcpy are now guarded by an
if (len > 0)
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Mon May 27 01:29:48 UTC 2019 on sn-devel-184
Convert all implementors of dbwrap_store to a storev-style call
by using the dbwrap_merge_dbufs call
For dbwrap_tdb, this matches tdb_storev.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This is not found by modern compilers, but prevents the -Werror -O3 build on Ubuntu 10.04
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jun 8 08:48:57 CEST 2016 on sn-devel-144
We delete and add of records rebalace the tree, but our
traverse code doesn't handle that and skips records
randomly.
We maintain records in a linked list for now
in addition to the rbtree and use that list during
traverse.
This add a bit overhead, but at least it works reliable.
If someone finds a way to do reliable traverse with the
rebalanced tree, we can replace this commit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11375
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11394
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Multiple dbwrap_traverse_read() calls are possible.
store() and delete() on a fetch locked record
are rejected during dbwrap_traverse_read().
A dbwrap_traverse() within a dbwrap_traverse_read()
behaves like a dbwrap_traverse_read().
Nested dbwrap_traverse() calls are not possible.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11375
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11394
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reported by Uri Simchoni <urisimchoni@gmail.com>. Thanks!
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Jul 20 23:18:23 CEST 2015 on sn-devel-104
