/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x140001530 FUN_140001530
 * Pseudocode, not original source. */

undefined8 * FUN_140001530(IUnknown *param_1,undefined8 *param_2,longlong *param_3,uint param_4)

{
  longlong *plVar1;
  longlong *plVar2;
  longlong lVar3;
  HRESULT HVar4;
  IID *riid;
  
  riid = (IID *)0x0;
  if ((undefined8 *)*param_3 != (undefined8 *)0x0) {
    riid = *(IID **)*param_3;
  }
  HVar4 = (*param_1->lpVtbl[6].QueryInterface)(param_1,riid,(void **)(ulonglong)param_4);
  if (HVar4 < 0) {
    _com_issue_errorex(HVar4,param_1,(_GUID *)&DAT_14029dff0);
  }
  *param_2 = 0;
  plVar2 = (longlong *)*param_3;
  if (plVar2 != (longlong *)0x0) {
    LOCK();
    plVar1 = plVar2 + 2;
    lVar3 = *plVar1;
    *(int *)plVar1 = (int)*plVar1 + -1;
    UNLOCK();
    if (((int)lVar3 == 1) && (plVar2 != (longlong *)0x0)) {
      if (*plVar2 != 0) {
        Ordinal_6();
      }
      if ((void *)plVar2[1] != (void *)0x0) {
        operator_delete__((void *)plVar2[1]);
      }
      operator_delete(plVar2);
    }
    *param_3 = 0;
  }
  return param_2;
}