From: Vincent van Ravesteijn <vfr@lyx.org>
Date: Sun, 31 Jan 2010 13:03:31 +0000 (+0000)
Subject: Fix bug #6489: Assertion triggered when deleting contents of math ERT. (probably... 
X-Git-Tag: 2.0.0~4174
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=00bbabd00f9453f2d900e4d2e34eff5720a3fc08;p=lyx.git

Fix bug #6489: Assertion triggered when deleting contents of math ERT. (probably a stdlib assertion).

Do not access name_[0] if name_ has size 0.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33290 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/MathData.cpp b/src/mathed/MathData.cpp
index 03602106c0..b364563d3f 100644
--- a/src/mathed/MathData.cpp
+++ b/src/mathed/MathData.cpp
@@ -398,7 +398,8 @@ void MathData::updateMacros(Cursor * cur, MacroContext const & mc)
 	// go over the array and look for macros
 	for (size_t i = 0; i < size(); ++i) {
 		MathMacro * macroInset = operator[](i).nucleus()->asMacro();
-		if (!macroInset || macroInset->name_[0] == '^'
+		if (!macroInset || macroInset->name_.size() == 0
+				|| macroInset->name_[0] == '^'
 				|| macroInset->name_[0] == '_'
 				|| macroInset->name() == edited_name)
 			continue;