From: Rudolf Polzer <divverent@alientrap.org>
Date: Mon, 23 Aug 2010 19:41:42 +0000 (+0200)
Subject: fix gamedetect NULL pointer
X-Git-Tag: xonotic-v0.5.0~230
X-Git-Url: http://git.xonotic.org/?a=commitdiff_plain;h=61c6265531f23c774238a3700d80f843ca19346b;p=xonotic%2Fnetradiant.git

fix gamedetect NULL pointer
---

diff --git a/radiant/environment.cpp b/radiant/environment.cpp
index 220a884f..04033579 100644
--- a/radiant/environment.cpp
+++ b/radiant/environment.cpp
@@ -88,10 +88,13 @@ bool gamedetect_check_game(char *gamefile, const char *checkfile1, const char *c
 	if(!file_exists(buf))
 		return false;
 
-	strcpy(buf + bufpos + 1, checkfile2);
-	globalOutputStream() << "Checking for a game file in " << buf << "\n";
-	if(!file_exists(buf))
-		return false;
+	if(checkfile2)
+	{
+		strcpy(buf + bufpos + 1, checkfile2);
+		globalOutputStream() << "Checking for a game file in " << buf << "\n";
+		if(!file_exists(buf))
+			return false;
+	}
 
 	buf[bufpos + 1] = 0;
 	gamedetect_found_game(gamefile, buf);