From b10524fce26205c78b72a4f4e613204abf696378 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Tue, 9 Oct 2018 19:53:05 +0000
Subject: Avoiding crash when accessing free'd memory.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@13064 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Menu_add.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Fl_Menu_add.cxx b/src/Fl_Menu_add.cxx
index 2406a383f..32da93df3 100644
--- a/src/Fl_Menu_add.cxx
+++ b/src/Fl_Menu_add.cxx
@@ -464,7 +464,7 @@ void Fl_Menu_::replace(int i, const char *str) {
   if (!alloc) copy(menu_);
   if (alloc > 1) {
     free((void *)menu_[i].text);
-    str = strdup(str);
+      str = strdup(str?str:"");
   }
   menu_[i].text = str;
 }
-- 
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