From 66e6995d7d8cbfe96146599cbc5b70b8cafbcba2 Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Mon, 9 Jan 2023 16:26:00 +0300
Subject: fixes #3270 (crash in tabSRMM)

---
 plugins/TabSRMM/src/msgdlgother.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/TabSRMM/src/msgdlgother.cpp b/plugins/TabSRMM/src/msgdlgother.cpp
index db968ba08e..caf4c15242 100644
--- a/plugins/TabSRMM/src/msgdlgother.cpp
+++ b/plugins/TabSRMM/src/msgdlgother.cpp
@@ -766,6 +766,9 @@ static wchar_t* Trunc500(wchar_t *str)
 
 bool CMsgDialog::FormatTitleBar(const wchar_t *szFormat, CMStringW &dest)
 {
+	if (m_cache == nullptr)
+		return false;
+
 	for (const wchar_t *src = szFormat; *src; src++) {
 		if (*src != '%') {
 			dest.AppendChar(*src);
-- 
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