From 870fd86e13fc95e8cf3165a134767c56d58b8987 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Fri, 13 Nov 2020 13:57:41 +0000
Subject: [libjar] Fix inflation logic.

This has been broken for 11 years. About time it's fixed.
Tag #1683
---
 modules/libjar/nsJARInputStream.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'modules/libjar')

diff --git a/modules/libjar/nsJARInputStream.cpp b/modules/libjar/nsJARInputStream.cpp
index 6993dd578..086c21ab4 100644
--- a/modules/libjar/nsJARInputStream.cpp
+++ b/modules/libjar/nsJARInputStream.cpp
@@ -195,7 +195,7 @@ MOZ_WIN_MEM_TRY_BEGIN
         return ReadDirectory(aBuffer, aCount, aBytesRead);
 
       case MODE_INFLATE:
-        if (mFd) {
+        if (mZs.total_out < mOutSize) {
           rv = ContinueInflate(aBuffer, aCount, aBytesRead);
         }
         // be aggressive about releasing the file!
-- 
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