From: Takashi Sawanaka <sdottaka@users.sourceforge.net>
Date: Thu, 5 Oct 2023 00:04:43 +0000 (+0900)
Subject: Improve line filters and substitution filters (#2032) (5)
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ca60d7cb12f0373cd16cfda584f1c51e93738e31;p=winmerge-jp%2Fwinmerge-jp.git

Improve line filters and substitution filters (#2032) (5)
---

diff --git a/Src/DiffWrapper.cpp b/Src/DiffWrapper.cpp
index b0887a75d..0515eb2d2 100644
--- a/Src/DiffWrapper.cpp
+++ b/Src/DiffWrapper.cpp
@@ -506,6 +506,8 @@ int CDiffWrapper::PostFilter(PostFilterContext& ctxt, change* thisob, const file
 	change* script = diff_2_buffers_xdiff(
 		lineDataLeft.c_str(), lineDataLeft.length(),
 		lineDataRight.c_str(), lineDataRight.length(), m_xdlFlags);
+	if (!script)
+		return 0;
 
 	auto TranslateLineNumbers = [](change* thisob, change* script)
 		{