From 8b5c8f6d7f74d9172254fe49c59dcb0a6c7a8213 Mon Sep 17 00:00:00 2001
From: Felix Nawothnig <felix.nawothnig@t-online.de>
Date: Sun, 12 Jun 2005 10:41:22 +0000
Subject: [PATCH] Add a workaround for Win9x apps which pass the parameters for
 GetCurrentDirectoryA in wrong order.

---
 dlls/kernel/path.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/dlls/kernel/path.c b/dlls/kernel/path.c
index 8461ce9b3af..96db4ec34da 100644
--- a/dlls/kernel/path.c
+++ b/dlls/kernel/path.c
@@ -1313,6 +1313,17 @@ UINT WINAPI GetCurrentDirectoryA( UINT buflen, LPSTR buf )
     WCHAR bufferW[MAX_PATH];
     DWORD ret;
 
+    if (buflen && buf && !HIWORD(buf))
+    {
+        /* Win9x catches access violations here, returning zero.
+         * This behaviour resulted in some people not noticing
+         * that they got the argument order wrong. So let's be
+         * nice and fail gracefully if buf is invalid and looks
+         * more like a buflen (which is probably MAX_PATH). */
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
+
     ret = GetCurrentDirectoryW(MAX_PATH, bufferW);
 
     if (!ret) return 0;