From 5c92baff3c5de4b583f701ca2ec58c0e43a76211 Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Sun, 6 Jun 2004 09:03:07 +0000
Subject: [PATCH] - Fixed the set command for WinXP. - The second parameter
 must be zero in the call to SetEnvironmentVariable   if the variable should
 be deleted.

svn path=/trunk/; revision=9634
---
 reactos/subsys/system/cmd/set.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/reactos/subsys/system/cmd/set.c b/reactos/subsys/system/cmd/set.c
index 6883145cf86..005e6ac6df7 100644
--- a/reactos/subsys/system/cmd/set.c
+++ b/reactos/subsys/system/cmd/set.c
@@ -94,7 +94,10 @@ INT cmd_set (LPTSTR cmd, LPTSTR param)
 		/* set or remove environment variable */
 		*p = _T('\0');
 		p++;
-
+		if (*p == _T('\0'))
+		{
+			p = NULL;
+		}
 		SetEnvironmentVariable (param, p);
 	}
 	else