From 29cfb114e2fd9a748ba92df04c6c958088ab49a1 Mon Sep 17 00:00:00 2001
From: hpa <hpa>
Date: Wed, 22 Dec 2004 02:21:15 +0000
Subject: [PATCH] Be more picky about syntax.

---
 win32/syslinux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win32/syslinux.c b/win32/syslinux.c
index 37b2ff8..53fb362 100644
--- a/win32/syslinux.c
+++ b/win32/syslinux.c
@@ -149,7 +149,7 @@ int main(int argc, char *argv[])
     }
   }
 
-  if ( !drive )
+  if ( !drive || !isalpha(drive[0]) || drive[1] != ':' || drive[2] )
     usage();
 
   /* Test if drive exists */
-- 
2.7.4