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shell32/shellview: Handle NULL folder pointer in SHCreateShellFolderViewEx(). 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-04-30 22:01:56 +03:00 committed by Alexandre Julliard
parent 7a49da5070
commit a528ddd745
2 changed files with 13 additions and 0 deletions
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3
dlls/shell32/shlview.c
View File

@ -3806,6 +3806,9 @@ HRESULT WINAPI SHCreateShellFolderViewEx(CSFV *desc, IShellView **shellview)
TRACE("sf=%p pidl=%p cb=%p mode=0x%08x parm=%p\n", desc->pshf, desc->pidl, desc->pfnCallback,
desc->fvm, desc->psvOuter);
if (!desc->pshf)
return E_UNEXPECTED;
*shellview = IShellView_Constructor(desc->pshf);
if (!*shellview)
return E_OUTOFMEMORY;

10
dlls/shell32/tests/shlview.c
View File

@ -1433,6 +1433,16 @@ static void test_SHCreateShellFolderViewEx(void)
ok(refCount == 0, "refCount = %u\n", refCount);
}
if (0)
{
/* Crashes on null shellfolder, on XP/2k3 */
memset(&csfv, 0, sizeof(csfv));
csfv.pshf = NULL;
psv = (void *)0xdeadbeef;
hr = SHCreateShellFolderViewEx(&csfv, &psv);
ok(hr == E_UNEXPECTED, "Got 0x%08x\n", hr);
ok(psv == NULL, "psv = %p\n", psv);
}
memset(&csfv, 0, sizeof(csfv));
csfv.cbSize = sizeof(csfv);
csfv.pshf = desktop;