RtlAddAtomToAtomTableEx

NTSTATUS __stdcall RtlAddAtomToAtomTableEx(PVOID AtomTableHandle, PWCHAR AtomName, UINT16 *Atom, UINT64 Flags){
  CHAR v4; 
  NTSTATUS v8; 
  __int64 v9; 
  _RTL_ATOM_TABLE_ENTRY **v10; 
  INT64 *AtomTableEntry; 
  INT64 v12; 
  unsigned __int64 v13; 
  __int64 v14; 
  UINT16 v15; 
  __int16 Atoma[2]; 
  NTSTATUS v18; 
  size_t Size; 
  PVOID p; 
  INT64 pAtomEntry; 
  _RTL_ATOM_TABLE_ENTRY **PreviousAtom; 
  v4 = Flags;
  pAtomEntry = 0i64;
  PreviousAtom = 0i64;
  LODWORD(Size) = 0;
  Atoma[0] = 0;
  p = 0i64;
  if( RtlpLockAtomTable((_RTL_ATOM_TABLE *)AtomTableHandle) )
  {
    if( RtlGetIntegerAtom(AtomName, (UINT16 *)Atoma) )
    {
      v15 = Atoma[0];
      if( Atoma[0] >= 0xC000u )
      {
        v15 = 0;
        Atoma[0] = 0;
        v8 = -1073741811;
        v18 = -1073741811;
      }
      else
      {
        v8 = 0;
        v18 = 0;
      }
      if( Atom )
        *Atom = v15;
      goto LABEL_27;
    }
    if( *AtomName )
    {
      v8 = RtlpHashStringToAtom(
             (_RTL_ATOM_TABLE *)AtomTableHandle,
             AtomName,
             0,
             &PreviousAtom,
             &Size,
             (_RTL_ATOM_TABLE_REFERENCE **)&p,
             (_RTL_ATOM_TABLE_ENTRY **)&pAtomEntry);
      v18 = v8;
      if( v8 < 0 )
      {
LABEL_27:
        RtlpUnlockAtomTable((_RTL_ATOM_TABLE *)AtomTableHandle);
        return v8;
      }
      if( pAtomEntry )
      {
        RtlpReferenceAtom(pAtomEntry, (INT64)p);
        if( Atom )
          *Atom = *(_WORD *)(v9 + 10);
        v8 = 0;
        v18 = 0;
        goto LABEL_27;
      }
      v10 = PreviousAtom;
      if( PreviousAtom )
      {
        v8 = -1073741801;
        v18 = -1073741801;
        AtomTableEntry = RtlpAllocateAtomTableEntry((unsigned int)Size, (INT64 **)&p, v4);
        v12 = (INT64)AtomTableEntry;
        pAtomEntry = (INT64)AtomTableEntry;
        if( AtomTableEntry )
        {
          v13 = (unsigned int)Size;
          memmove((UINT8 *)AtomTableEntry + 42, (UINT8 *)AtomName, (unsigned int)Size);
          v14 = (unsigned __int8)(v13 >> 1);
          *(_BYTE *)(v12 + 40) = v14;
          *(_WORD *)(v12 + 2 * v14 + 42) = 0;
          if( RtlpInsertStringAtom((INT64)AtomTableHandle, v12) )
          {
            *(_WORD *)(v12 + 10) = *(_WORD *)(v12 + 8) | 0xC000;
            *v10 = (_RTL_ATOM_TABLE_ENTRY *)v12;
            if( Atom )
              *Atom = *(_WORD *)(v12 + 10);
            v8 = 0;
            v18 = 0;
          }
          else
          {
            if( p && p != (PVOID)(v12 + 16) )
              RtlpFreeAtom(p);
            RtlpFreeAtom((PVOID)v12);
          }
        }
        goto LABEL_27;
      }
      v8 = -1073741811;
    }
    else
    {
      v8 = -1073741773;
    }
    v18 = v8;
    goto LABEL_27;
  }
  return -1073741811;
}

Referenced by: