msxml3: Fix possible NULL pointer access in heap_strdupW.

c02b84d3 · André Hentschel · Alexandre Julliard · e9bfe836 · c02b84d3
Commit c02b84d3 authored Nov 17, 2012 by André Hentschel Committed by Alexandre Julliard Nov 19, 2012
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msxml_private.h dlls/msxml3/msxml_private.h +2 -1

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--- a/dlls/msxml3/msxml_private.h
+++ b/dlls/msxml3/msxml_private.h
@@ -194,7 +194,8 @@ static inline LPWSTR heap_strdupW(LPCWSTR str)

        size = (strlenW(str)+1)*sizeof(WCHAR);
        ret = heap_alloc(size);
-        memcpy(ret, str, size);
+        if(ret)
+            memcpy(ret, str, size);
    }

    return ret;