From 57d4d9480b33908e0b727f7067554ec82d25ed51 Mon Sep 17 00:00:00 2001
From: Daniel Teske <daniel.teske@digia.com>
Date: Wed, 13 Mar 2013 13:31:41 +0100
Subject: [PATCH] CMakeValidator: Make code more robust

Change-Id: Ibfe0572adee9d5ffe98259465d5070448d704e1c
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
---
 src/plugins/cmakeprojectmanager/cmakevalidator.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/cmakeprojectmanager/cmakevalidator.cpp b/src/plugins/cmakeprojectmanager/cmakevalidator.cpp
index 27d38291cb2..8a85a756fa7 100644
--- a/src/plugins/cmakeprojectmanager/cmakevalidator.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakevalidator.cpp
@@ -223,6 +223,8 @@ void CMakeValidator::parseFunctionDetailsOutput(const QByteArray &output)
     QList<QByteArray> cmakeCommandsHelp = output.split('\n');
     for (int i = 0; i < cmakeCommandsHelp.count(); ++i) {
         QByteArray lineTrimmed = cmakeCommandsHelp.at(i).trimmed();
+        if (cmakeFunctionsList.isEmpty())
+            break;
         if (cmakeFunctionsList.first().toLatin1() == lineTrimmed) {
             QStringList commandSyntaxes;
             QString currentCommandSyntax;
@@ -231,7 +233,7 @@ void CMakeValidator::parseFunctionDetailsOutput(const QByteArray &output)
             for (; i < cmakeCommandsHelp.count(); ++i) {
                 lineTrimmed = cmakeCommandsHelp.at(i).trimmed();
 
-                if (cmakeFunctionsList.first().toLatin1() == lineTrimmed) {
+                if (!cmakeFunctionsList.isEmpty() && cmakeFunctionsList.first().toLatin1() == lineTrimmed) {
                     //start of next function in output
                     if (!currentCommandSyntax.isEmpty())
                         commandSyntaxes << currentCommandSyntax.append(QLatin1String("</table>"));