From: Eric Biggers <ebiggers3@gmail.com>
Date: Tue, 19 Aug 2014 03:38:48 +0000 (-0500)
Subject: wimlib_compress(): Return 0 if uncompressed_size is invalid
X-Git-Tag: v1.7.2~65
X-Git-Url: https://wimlib.net/git/?a=commitdiff_plain;h=27bb04887c1bee17ed06e24a71f3cfc9d51eb3a1;p=wimlib

wimlib_compress(): Return 0 if uncompressed_size is invalid
---

diff --git a/src/compress.c b/src/compress.c
index 75f92f13..4c99dab1 100644
--- a/src/compress.c
+++ b/src/compress.c
@@ -154,7 +154,8 @@ wimlib_compress(const void *uncompressed_data, size_t uncompressed_size,
 {
 	size_t compressed_size;
 
-	wimlib_assert(uncompressed_size <= c->max_block_size);
+	if (unlikely(uncompressed_size == 0 || uncompressed_size > c->max_block_size))
+		return 0;
 
 	compressed_size = c->ops->compress(uncompressed_data,
 					   uncompressed_size,