From 8acdce6856c4887aef03d5a877f00b65c5365883 Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Fri, 13 Jul 2007 20:23:26 +0000
Subject: [PATCH] Sync GetTempFileNameW to wine HEAD

svn path=/trunk/; revision=27635
---
 reactos/dll/win32/kernel32/file/file.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/reactos/dll/win32/kernel32/file/file.c b/reactos/dll/win32/kernel32/file/file.c
index d74595bfcc9..3f2f4e8eaec 100644
--- a/reactos/dll/win32/kernel32/file/file.c
+++ b/reactos/dll/win32/kernel32/file/file.c
@@ -1183,7 +1183,7 @@ UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR
     int i;
     LPWSTR p;
 
-    if ( !path || !prefix || !buffer )
+    if ( !path || !buffer )
     {
         SetLastError( ERROR_INVALID_PARAMETER );
         return 0;
@@ -1195,7 +1195,8 @@ UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR
     /* add a \, if there isn't one  */
     if ((p == buffer) || (p[-1] != '\\')) *p++ = '\\';
 
-    for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
+    if ( prefix )
+        for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 
     unique &= 0xffff;