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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-12-05 15:44:50 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-12-05 15:44:50 +0100
commit9ea91c044106537453ae6e13368b60ce532c885c (patch)
tree0a597427a9f22b7b77a76314ca10791bef00a262 /lib/sqfs/data_writer/block.c
parente17da4c1150b1f8be9071c7403163ea6fb518c6e (diff)
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 <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/data_writer/block.c')
-rw-r--r--lib/sqfs/data_writer/block.c31
1 files changed, 31 insertions, 0 deletions
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;
+}