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* tdb2: add error conversion functions.Rusty Russell2011-09-141-10/+13
| | | | | | | | | | This clarifies the code a little, but also provides a more explicit mechanism which can be used to debug error handling (by introducing tdb_err_t and making it a pointer type). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit afa6d57b7d93fe4675a952f556eb462951baa257)
* tdb2: set tdb_error() on tdb_transaction_prepare_commit.Rusty Russell2011-09-141-1/+1
| | | | | | Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit feb36b14278b4230af70dab90369a345b6a027ef)
* tdb2: don't return -1 (ie. TDB_ERR_CORRUPT) on transaction write fail.Rusty Russell2011-09-141-1/+1
| | | | | | | | A left-over -1 return; should be returning ecode (probably TDB_ERR_IO). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit 077bdae6877d26749987b26a1b5b28cdba5ebbdd)
* tdb2: unify tdb1_transaction_start etc. into tdb_transaction_start.Rusty Russell2011-09-141-0/+21
| | | | | | | Switch on the TDB_VERSION1 flag. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit 6bc8ea012391198bc3898ae2937558b60dd55906)
* tdb2: merge tdb1_context into tdb_context.Rusty Russell2011-09-141-135/+135
| | | | | | | | | | Finally, we split out the tdb2-specific parts of tdb_context, and put them into a "tdb2" sub-struct; the tdb1 parts go into a "tdb1" sub-struct. We get rido of tdb1_context and use tdb_context everywhere. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit bbeb528e74c0e234e1f724ac8d54be404cfc6f9a)
* tdb2: make tdb1 use same low-level lock functions.Rusty Russell2011-09-141-1/+1
| | | | | | | | This means they will use the TDB_ATTRIBUTE_FLOCK functions, and get automatic reopen support. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit fbad02b680b6cbc33ae305ae1cbcdead4eedc7b1)
* tdb2: add TDB_RDONLY flag, allow setting/unsetting it.Rusty Russell2011-09-141-2/+2
| | | | | | | | | | You can only unset it if the TDB was originally opened O_RDWR. Also, cleaned up error handling in tdb_allrecord_lock() so we only get one log message on a r/o database. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit b87e14495d5b07e1b247218a72329f10ecb3da7f)
* tdb2: return TDB_ERR_RDONLY if trying to start a transaction on a R/O tdb.Rusty Russell2011-09-141-2/+11
| | | | | | | This is more accurate than returning TDB_ERR_EINVAL. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (Imported from CCAN commit 91436a25574597dbd1fd2de5bcd5826a234100d6)
* tdb2: cleanup oob handling.Rusty Russell2011-09-141-7/+6
| | | | | | | | | | | | | | | | | The tdb_oob() function can fail due to errors, as well as because the length asked for is greater than the size of the file. Clean that up: (1) If probe is true, only fail if there's an error, not if the length is too great. (2) Exit tdb_open() if it tdb_oob() probe fails; this helps cut down test time for failtest. (3) Don't set probe to true in tdb_direct() fail; a minor issue, but it means we log failure. (Imported from CCAN commit 77658070a3e4f712b94d659b2e399031ce3394c8) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb2: add lib/tdb2 (from CCAN init-1161-g661d41f)Rusty Russell2011-06-201-0/+1308
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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