diff options
Diffstat (limited to 'source3/lib/tdb/common')
| -rw-r--r-- | source3/lib/tdb/common/open.c | 3 | ||||
| -rw-r--r-- | source3/lib/tdb/common/tdb_private.h | 1 | ||||
| -rw-r--r-- | source3/lib/tdb/common/transaction.c | 29 |
3 files changed, 14 insertions, 19 deletions
diff --git a/source3/lib/tdb/common/open.c b/source3/lib/tdb/common/open.c index 94140a4baa..b19e4cea29 100644 --- a/source3/lib/tdb/common/open.c +++ b/source3/lib/tdb/common/open.c @@ -179,7 +179,7 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, tdb->page_size = 0x2000; } - tdb->max_dead_records = (open_flags & TDB_VOLATILE) ? 5 : 0; + tdb->max_dead_records = (tdb_flags & TDB_VOLATILE) ? 5 : 0; if ((open_flags & O_ACCMODE) == O_WRONLY) { TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: can't open tdb %s write-only\n", @@ -227,6 +227,7 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, /* we need to zero database if we are the only one with it open */ if ((tdb_flags & TDB_CLEAR_IF_FIRST) && + (!tdb->read_only) && (locked = (tdb->methods->tdb_brlock(tdb, ACTIVE_LOCK, F_WRLCK, F_SETLK, 0, 1) == 0))) { open_flags |= O_CREAT; if (ftruncate(tdb->fd, 0) == -1) { diff --git a/source3/lib/tdb/common/tdb_private.h b/source3/lib/tdb/common/tdb_private.h index 63a6d04e72..dd69903015 100644 --- a/source3/lib/tdb/common/tdb_private.h +++ b/source3/lib/tdb/common/tdb_private.h @@ -178,6 +178,7 @@ struct tdb_context { int tdb_munmap(struct tdb_context *tdb); void tdb_mmap(struct tdb_context *tdb); int tdb_lock(struct tdb_context *tdb, int list, int ltype); +int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype); int tdb_unlock(struct tdb_context *tdb, int list, int ltype); int tdb_brlock(struct tdb_context *tdb, tdb_off_t offset, int rw_type, int lck_type, int probe, size_t len); int tdb_transaction_lock(struct tdb_context *tdb, int ltype); diff --git a/source3/lib/tdb/common/transaction.c b/source3/lib/tdb/common/transaction.c index 0ecfb9b7ff..c3e7a4e2c0 100644 --- a/source3/lib/tdb/common/transaction.c +++ b/source3/lib/tdb/common/transaction.c @@ -219,9 +219,12 @@ static int transaction_write(struct tdb_context *tdb, tdb_off_t off, uint8_t **new_blocks; /* expand the blocks array */ if (tdb->transaction->blocks == NULL) { - new_blocks = malloc((blk+1)*sizeof(uint8_t *)); + new_blocks = (uint8_t **)malloc( + (blk+1)*sizeof(uint8_t *)); } else { - new_blocks = realloc(tdb->transaction->blocks, (blk+1)*sizeof(uint8_t *)); + new_blocks = (uint8_t **)realloc( + tdb->transaction->blocks, + (blk+1)*sizeof(uint8_t *)); } if (new_blocks == NULL) { tdb->ecode = TDB_ERR_OOM; @@ -316,25 +319,15 @@ static int transaction_write_existing(struct tdb_context *tdb, tdb_off_t off, return 0; } - /* overwrite part of an existing block */ - if (buf == NULL) { - memset(tdb->transaction->blocks[blk] + off, 0, len); - } else { - memcpy(tdb->transaction->blocks[blk] + off, buf, len); - } - if (blk == tdb->transaction->num_blocks-1) { - if (len + off > tdb->transaction->last_block_size) { - tdb->transaction->last_block_size = len + off; - } + if (blk == tdb->transaction->num_blocks-1 && + off + len > tdb->transaction->last_block_size) { + len = tdb->transaction->last_block_size - off; } - return 0; + /* overwrite part of an existing block */ + memcpy(tdb->transaction->blocks[blk] + off, buf, len); -fail: - TDB_LOG((tdb, TDB_DEBUG_FATAL, "transaction_write: failed at off=%d len=%d\n", - (blk*tdb->transaction->block_size) + off, len)); - tdb->transaction->transaction_error = 1; - return -1; + return 0; } |