Remove compressor internal buffers

Pass in an external destination buffer + size and allow for propper
bounds checking (especially when unpacking).

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/sqfs/super.c b/lib/sqfs/super.c
index b402496..d3b79c6 100644
--- a/lib/sqfs/super.c
+++ b/lib/sqfs/super.c
@@ -17,8 +17,8 @@ int sqfs_super_init(sqfs_super_t *super, size_t block_size, uint32_t mtime,
 		return -1;
 	}
 
-	if (block_size < 8192 || block_size >= (1 << 24)) {
-		fputs("Block size must be between 8k and 1M\n", stderr);
+	if (block_size < 4096 || block_size >= (1 << 24)) {
+		fputs("Block size must be between 4k and 1M\n", stderr);
 		return -1;
 	}