[Bug 50951] New: Possible Crash because of wrong initialization of struct COMBOBOXEXITEM

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50951

            Bug ID: 50951
           Summary: Possible Crash because of wrong initialization of
                    struct COMBOBOXEXITEM
           Product: Wine
           Version: 6.5
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: api-ms-win-*
          Assignee: wine-bugs at winehq.org
          Reporter: taxpool at protonmail.ch
      Distribution: ---

//BUG #1: cchTextMax member of COMBOBOXEXITEM is always 0 (in Windows 260)
//BUG #2: Text can't be copied to pszText

void CMyCombo::GetCBDispString(NMHDR* pNMHDR, LRESULT* pResult)
{
    NMCOMBOBOXEX* pncbe = reinterpret_cast<NMCOMBOBOXEX*>(pNMHDR);
    COMBOBOXEXITEM& cbei = pncbe->ceItem;
    if (cbei.mask & CBEIF_TEXT)
    {
        //strcpy(cbei.pszText, "xxx"); //CRASH
        cbei.pszText = "xxx"; //WORKS

        //cbei.mask |= CBEIF_DI_SETITEM;
    }

    *pResult = 0;
}

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