From 8d919e5cd0f8e19d79db1713b22ed3d1ab1ee1c1 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Fri, 10 Mar 2017 20:01:47 +0000
Subject: [PATCH] sys_win.c: properly check the returned value from
 GetCurrentDirectory()

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1384 af15c1b1-3010-417e-b628-4374ebc0bcbd
---
 Quake/sys_sdl_win.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Quake/sys_sdl_win.c b/Quake/sys_sdl_win.c
index 82828945..85f75edd 100644
--- a/Quake/sys_sdl_win.c
+++ b/Quake/sys_sdl_win.c
@@ -158,9 +158,11 @@ static char	cwd[1024];
 
 static void Sys_GetBasedir (char *argv0, char *dst, size_t dstsize)
 {
-	char		*tmp;
+	char *tmp;
+	size_t rc;
 
-	if (GetCurrentDirectory(dstsize, dst) == 0)
+	rc = GetCurrentDirectory(dstsize, dst);
+	if (rc == 0 || rc > dstsize)
 		Sys_Error ("Couldn't determine current directory");
 
 	tmp = dst;