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Port from ctdb:

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minor fix to transaction_write_existing: tridge.

Jeremy.
(This used to be commit 874425c8f680fb2f737b46a3177b239e69302af5)
This commit is contained in:
Jeremy Allison 2008-01-15 17:20:50 -08:00
parent 9a6a5fff9c
commit 7e2b8eb079
1 changed files with 6 additions and 16 deletions
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22
source3/lib/tdb/common/transaction.c
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@ -316,25 +316,15 @@ static int transaction_write_existing(struct tdb_context *tdb, tdb_off_t off,
return 0;
}
if (blk == tdb->transaction->num_blocks-1 &&
off + len > tdb->transaction->last_block_size) {
len = tdb->transaction->last_block_size - off;
}
/* 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;
}
}
memcpy(tdb->transaction->blocks[blk] + off, buf, len);
return 0;
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;
}