wbemprox: Fix corner cases in IEnumWbemClassObject::Skip.

2c5da008 · Hans Leidekker · Alexandre Julliard · 0f11ac36 · 2c5da008
Commit 2c5da008 authored Jul 25, 2012 by Hans Leidekker Committed by Alexandre Julliard Jul 25, 2012
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class.c dlls/wbemprox/class.c +3 -1

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--- a/dlls/wbemprox/class.c
+++ b/dlls/wbemprox/class.c
@@ -167,7 +167,9 @@ static HRESULT WINAPI enum_class_object_Skip(

    if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");

-    if (ec->index + nCount >= view->count)
+    if (!view->count) return WBEM_S_FALSE;
+
+    if (nCount > view->count - ec->index)
    {
        ec->index = view->count - 1;
        return WBEM_S_FALSE;