From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Thu, 20 May 2021 15:34:45 +0000 (+0200)
Subject: deflate: fix copy block length check
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=6130c973810971098fc6e4deb3ac71816a5ee093;p=nihav.git

deflate: fix copy block length check
---

diff --git a/nihav-core/src/compr/deflate.rs b/nihav-core/src/compr/deflate.rs
index 89e0fde..13d9ad5 100644
--- a/nihav-core/src/compr/deflate.rs
+++ b/nihav-core/src/compr/deflate.rs
@@ -426,7 +426,7 @@ impl Inflate {
                 },
                 InflateState::StaticBlockInvLen(len) => {
                     let inv_len = read_bits!(self, csrc, 16);
-                    if len != !inv_len {
+                    if (len ^ inv_len) != 0xFFFF {
                         self.state = InflateState::End;
                         return Err(DecompressError::InvalidHeader);
                     }