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, 1 deletions

diff --git a/include/compress.h b/include/compress.h
index d527307..ad193e8 100644
--- a/include/compress.h
+++ b/include/compress.h
@@ -12,7 +12,8 @@
 typedef struct compressor_t compressor_t;
 
 struct compressor_t {
-	ssize_t (*do_block)(compressor_t *cmp, uint8_t *block, size_t outsize);
+	ssize_t (*do_block)(compressor_t *cmp, const uint8_t *in, size_t size,
+			    uint8_t *out, size_t outsize);
 
 	void (*destroy)(compressor_t *stream);
 };