PnpRegQueryValueIndirect

__int64 __fastcall PnpRegQueryValueIndirect(
        UINT64 a1,
        VOID *a2,
        const wchar_t *a3,
        unsigned int *a4,
        unsigned __int64 a5,
        __int64 a6,
        bool *a7){
  VOID *v7; 
  unsigned int *v9; 
  VOID **PoolWithTag; 
  bool *v13; 
  unsigned int Value; 
  unsigned int v15; 
  unsigned int v17; 
  unsigned int v18; 
  int v19; 
  UINT64 pcbLength; 

  pcbLength = a1;
  v7 = (VOID *)a5;
  v9 = (unsigned int *)a6;
  PoolWithTag = 0i64;
  if( a5 )
    v7 = (VOID *)(-(__int64)(*(_DWORD *)a6 != 0) & a5);
  else
    *(_DWORD *)a6 = 0;
  v13 = a7;
  if( a7 )
    *a7 = 0;
  *a4 = 0;
  Value = RegRtlQueryValue(a2, a3, a4, v7, (__int64)v9);
  v15 = Value;
  if( Value && Value != -1073741789 || !v13 )
    return v15;
  v17 = *a4;
  if( *a4 > 3 )
  {
    if( v17 <= 6 )
      goto LABEL_21;
    if( v17 != 7 )
    {
      if( v17 - 8 > 3 )
      {
        *v13 = (_WORD)v17 == 25;
        return v15;
      }
LABEL_21:
      *v13 = 0;
      return v15;
    }
  }
  v18 = *v9;
  if( Value )
  {
    if( v18 <= 0xFFFE )
    {
      while( 1 )
      {
        if( PoolWithTag )
          ExFreePoolWithTag(PoolWithTag, 0);
        PoolWithTag = ExAllocatePoolWithTag(1ui64, v18, 1380994640i64);
        if( !PoolWithTag )
          break;
        LODWORD(pcbLength) = v18;
        v19 = RegRtlQueryValue(a2, a3, 0i64, PoolWithTag, (__int64)&pcbLength);
        if( v19 != -1073741789 )
          goto LABEL_32;
        if( (unsigned int)pcbLength <= v18 )
        {
          v19 = -1073741595;
LABEL_32:
          if( v19 )
            goto LABEL_19;
          v7 = PoolWithTag;
          goto LABEL_16;
        }
        v18 = pcbLength;
        if( (unsigned int)pcbLength > 0xFFFE )
          goto LABEL_19;
      }
    }
  }
  else
  {
LABEL_16:
    if( RtlStringCbLengthW((WCHAR *)v7, v18, &pcbLength) >= 0
      && (PnpParseIndirectInfString((const wchar_t *)v7) || PnpParseIndirectResourceString((__int64)v7)) )
    {
      *v13 = 1;
    }
LABEL_19:
    if( PoolWithTag )
      ExFreePoolWithTag(PoolWithTag, 0);
  }
  return v15;
}

Referenced by: