RtlLookupAtomInAtomTable

NTSTATUS __stdcall RtlLookupAtomInAtomTable(PVOID AtomTableHandle, PWCHAR AtomName, UINT16 *Atom){
  _RTL_ATOM_TABLE_ENTRY *v6; 
  UINT16 v7; 
  NTSTATUS v9; 
  _RTL_ATOM_TABLE_ENTRY *pAtomEntry; 
  void *pLowBox[5]; 
  UINT16 Atoma; 
  pAtomEntry = 0i64;
  Atoma = 0;
  if( !RtlpLockAtomTable((_RTL_ATOM_TABLE *)AtomTableHandle) )
    return -1073741811;
  if( RtlGetIntegerAtom(AtomName, &Atoma) )
  {
    v7 = Atoma;
    if( Atoma >= 0xC000u )
    {
      v7 = 0;
      Atoma = 0;
      v9 = -1073741811;
    }
    else
    {
      v9 = 0;
    }
    if( !Atom )
      goto LABEL_18;
    goto LABEL_9;
  }
  if( !*AtomName )
  {
    v9 = -1073741773;
    goto LABEL_18;
  }
  v9 = RtlpHashStringToAtom(
         (_RTL_ATOM_TABLE *)AtomTableHandle,
         AtomName,
         1u,
         0i64,
         0i64,
         (_RTL_ATOM_TABLE_REFERENCE **)pLowBox,
         &pAtomEntry);
  if( v9 >= 0 )
  {
    v6 = pAtomEntry;
    if( !pAtomEntry )
    {
      v9 = -1073741772;
      goto LABEL_18;
    }
    if( !RtlpAtomMapAtomToHandleEntry((_RTL_ATOM_TABLE *)AtomTableHandle, pAtomEntry->HandleIndex) )
    {
      v9 = -1073741816;
      goto LABEL_18;
    }
    v9 = 0;
    if( Atom )
    {
      v7 = v6->Atom;
LABEL_9:
      *Atom = v7;
    }
  }
LABEL_18:
  if( (_InterlockedExchangeAdd64((volatile signed __int64 *)AtomTableHandle + 1, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock((volatile INT64 *)AtomTableHandle + 1);
  KeAbPostRelease((char *)AtomTableHandle + 8);
  KeLeaveCriticalRegion();
  return v9;
}

Referenced by: