From 2e9f786d831aeddd53145e98bb035edb583f6680 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Tue, 1 Aug 2000 23:34:01 +0000
Subject: [PATCH] Only set COMSPEC if not defined already.

---
 files/directory.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/files/directory.c b/files/directory.c
index 063a83f9c2b..597bee56286 100644
--- a/files/directory.c
+++ b/files/directory.c
@@ -129,11 +129,14 @@ int DIR_Init(void)
     /* Set the environment variables */
 
     SetEnvironmentVariableA( "PATH", path );
-    SetEnvironmentVariableA( "COMSPEC", "c:\\command.com" );
     SetEnvironmentVariableA( "TEMP", tmp_dir.short_name );
     SetEnvironmentVariableA( "windir", DIR_Windows.short_name );
     SetEnvironmentVariableA( "winsysdir", DIR_System.short_name );
 
+    /* set COMSPEC only if it doesn't exist already */
+    if (!GetEnvironmentVariableA( "COMSPEC", NULL, 0 ))
+        SetEnvironmentVariableA( "COMSPEC", "c:\\command.com" );
+
     TRACE("WindowsDir = %s (%s)\n",
           DIR_Windows.short_name, DIR_Windows.long_name );
     TRACE("SystemDir  = %s (%s)\n",
-- 
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