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-rw-r--r--lib/sqfs/data_writer/block.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/sqfs/data_writer/block.c b/lib/sqfs/data_writer/block.c
index 5dce26c..7c52bb4 100644
--- a/lib/sqfs/data_writer/block.c
+++ b/lib/sqfs/data_writer/block.c
@@ -52,11 +52,32 @@ static size_t deduplicate_blocks(sqfs_data_writer_t *proc, size_t count)
static int allign_file(sqfs_data_writer_t *proc, sqfs_block_t *blk)
{
+ sqfs_u32 chksum;
+ void *padding;
+ sqfs_u64 size;
+ size_t diff;
+ int ret;
+
if (!(blk->flags & SQFS_BLK_ALLIGN))
return 0;
- return padd_sqfs(proc->file, proc->file->get_size(proc->file),
- proc->devblksz);
+ size = proc->file->get_size(proc->file);
+ diff = size % proc->devblksz;
+ if (diff == 0)
+ return 0;
+
+ padding = calloc(1, diff);
+ if (padding == 0)
+ return SQFS_ERROR_ALLOC;
+
+ chksum = crc32(0, padding, diff);
+
+ ret = proc->file->write_at(proc->file, size, padding, diff);
+ free(padding);
+ if (ret)
+ return ret;
+
+ return store_block_location(proc, size, diff | (1 << 24), chksum);
}
int process_completed_block(sqfs_data_writer_t *proc, sqfs_block_t *blk)