ole32: Cope with receiving WM_RENDERALLFORMATS even when the clipboard is empty.

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

ole32: Cope with receiving WM_RENDERALLFORMATS even when the clipboard is empty.
27a73216 · Alexandre Julliard · 2adcec34 · 27a73216
Commit 27a73216 authored Sep 01, 2016 by Alexandre Julliard
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clipboard.c dlls/ole32/clipboard.c +3 -1

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--- a/dlls/ole32/clipboard.c
+++ b/dlls/ole32/clipboard.c
@@ -2040,10 +2040,12 @@ static LRESULT CALLBACK clipbrd_wndproc(HWND hwnd, UINT message, WPARAM wparam, 
    case WM_RENDERALLFORMATS:
    {
        DWORD i;
-        ole_priv_data_entry *entries = clipbrd->cached_enum->entries;
+        ole_priv_data_entry *entries;
        TRACE("(): WM_RENDERALLFORMATS\n");
+        if (!clipbrd || !clipbrd->cached_enum) break;
+        entries = clipbrd->cached_enum->entries;
        for(i = 0; i < clipbrd->cached_enum->count; i++)
        {
            if(entries[i].first_use)