dmloader: Handle NULL and empty path strings in SetSearchDirectory().

Signed-off-by: Michael Stefaniuc <mstefani@winehq.org> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dmloader: Handle NULL and empty path strings in SetSearchDirectory().
2e3a8a6f · Michael Stefaniuc · Alexandre Julliard · 400cfb0f · 2e3a8a6f
Commit 2e3a8a6f authored Jul 25, 2017 by Michael Stefaniuc Committed by Alexandre Julliard Jul 25, 2017
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loader.c dlls/dmloader/loader.c +8 -3

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--- a/dlls/dmloader/loader.c
+++ b/dlls/dmloader/loader.c
@@ -522,9 +522,14 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_SetSearchDirectory(IDirectMusicLoad

    TRACE("(%p, %s, %s, %d)\n", This, debugstr_dmguid(class), debugstr_w(path), clear);

-    attr = GetFileAttributesW(path);
-    if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
-        return DMUS_E_LOADER_BADPATH;
+    if (!path)
+        return E_POINTER;
+
+    if (path[0]) {
+        attr = GetFileAttributesW(path);
+        if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
+            return DMUS_E_LOADER_BADPATH;
+    }

    if (clear)
        FIXME("clear flag ignored\n");