From 8da7a401424ae889a62ba9fd2b2166bb766789ad Mon Sep 17 00:00:00 2001
From: Yamagi Burmeister <yamagi@yamagi.org>
Date: Thu, 3 Sep 2015 20:35:09 +0200
Subject: [PATCH] FS_SetGamedir: reject "." as game directory. also reject
 empty string.

Submitted by: Ozkan Sezer
---
 src/common/filesystem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/filesystem.c b/src/common/filesystem.c
index 07a5d46f..ff06069d 100644
--- a/src/common/filesystem.c
+++ b/src/common/filesystem.c
@@ -1621,7 +1621,7 @@ FS_SetGamedir(char *dir)
 	int i;
 	fsSearchPath_t *next;
 
-	if (strstr(dir, "..") || strstr(dir, "/"))
+	if (!*dir || !strcmp(dir, ".") || strstr(dir, "..") || strstr(dir, "/"))
 	{
 		Com_Printf("Gamedir should be a single filename, not a path.\n");
 		return;