dedup

commit 1f27546ac6b0a4fd6f0c5198afa34d5220e57107
parent 528b7c40c8b3dbcbce387f35f6de93e21f2860e0
Author: sin <sin@2f30.org>
Date:   Thu, 21 Feb 2019 14:22:25 +0000

If there's no more input to consume return a null chunk

Diffstat:
M
chunker.c
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/chunker.c b/chunker.c
@@ -1,4 +1,3 @@
-#include <assert.h>
 #include <err.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -95,7 +94,11 @@ get_chunk(struct chunker *chunker, size_t *chunk_size)
 {
 	uint8_t *bp;
 
-	assert(chunker->rpos <= chunker->wpos);
+	if (chunker->rpos == chunker->wpos) {
+		*chunk_size = 0;
+		return NULL;
+	}
+
 	bp = &chunker->buf[chunker->rpos];
 	*chunk_size = get_chunk_size(chunker);
 	chunker->rpos += *chunk_size;