From 9ea91c044106537453ae6e13368b60ce532c885c Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Thu, 5 Dec 2019 15:44:50 +0100 Subject: Minor data writer cleanup Move "do block" function over to the rest of the block related code and internalizie the pthread worker structure. Signed-off-by: David Oberhollenzer --- lib/sqfs/data_writer/block.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'lib/sqfs/data_writer/block.c') diff --git a/lib/sqfs/data_writer/block.c b/lib/sqfs/data_writer/block.c index 13c62a2..9396e4a 100644 --- a/lib/sqfs/data_writer/block.c +++ b/lib/sqfs/data_writer/block.c @@ -170,3 +170,34 @@ int process_completed_block(sqfs_data_writer_t *proc, sqfs_block_t *blk) return 0; } + +int data_writer_do_block(sqfs_block_t *block, sqfs_compressor_t *cmp, + sqfs_u8 *scratch, size_t scratch_size) +{ + ssize_t ret; + + if (block->size == 0) { + block->checksum = 0; + return 0; + } + + block->checksum = crc32(0, block->data, block->size); + + if (block->flags & SQFS_BLK_IS_FRAGMENT) + return 0; + + if (!(block->flags & SQFS_BLK_DONT_COMPRESS)) { + ret = cmp->do_block(cmp, block->data, block->size, + scratch, scratch_size); + if (ret < 0) + return ret; + + if (ret > 0) { + memcpy(block->data, scratch, ret); + block->size = ret; + block->flags |= SQFS_BLK_IS_COMPRESSED; + } + } + + return 0; +} -- cgit v1.2.3