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gpg: Provide an interface to patch TOFU updates.

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* g10/tofu.c (struct db): Rename begin_transaction to savepoint_batch.
Rename end_transaction to savepoint_batch_commit.  Update users.
Remove field rollback.  Add fields savepoint_inner and
savepoint_inner_commit.  Add field batch_update.
(dump_cache): New function.
(batch_update): New variable.
(begin_transaction). New function.
(end_transaction): New function.
(rollback_transaction): New function.
(tofu_begin_batch_update): New function.
(tofu_end_batch_update): New function.
(closedb): End any pending batch transaction.
(closedbs): Assert that none of the DBs have a started batch
transaction if we not in batch mode.
(record_binding): Use the begin_transaction, end_transaction and
rollback_transaction functions instead of including the SQL inline.
Also start a batch mode transaction if we are using the flat format.
(tofu_register): Use the begin_transaction, end_transaction and
rollback_transaction functions instead of including the SQL inline.
* g10/gpgv.c (tofu_begin_batch_update): New function.
(tofu_end_batch_update): New function.
* g10/test-stubs.c (tofu_begin_batch_update): New function.
(tofu_end_batch_update): New function.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
This commit is contained in:
Neal H. Walfield 2015-10-23 17:23:17 +02:00
parent 297cf8660c
commit 7f65e84ac0
5 changed files with 239 additions and 53 deletions
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4
g10/keylist.c
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@ -132,12 +132,16 @@ public_key_list (ctrl_t ctrl, strlist_t list, int locate_mode)
which is associated with the inode of a deleted file. */
check_trustdb_stale ();
tofu_begin_batch_update ();
if (locate_mode)
locate_one (ctrl, list);
else if (!list)
list_all (ctrl, 0, opt.with_secret);
else
list_one (ctrl, list, 0, opt.with_secret);
tofu_end_batch_update ();
}