HvpExpandMap

NTSTATUS __stdcall HvpExpandMap(_HHIVE *Hive, UINT64 Type, UINT64 OldLength, UINT64 NewLength){
  NTSTATUS v4; 
  __int64 v5; 
  unsigned int v6; 
  unsigned int v7; 
  __int64 v9; 
  unsigned int v10; 
  unsigned int v11; 
  unsigned int v12; 
  _HMAP_TABLE *v14; 
  _HMAP_TABLE *v15; 
  _HMAP_DIRECTORY *p_SmallDir; 
  __int64 v17; 
  _HMAP_DIRECTORY *v18; 
  _HMAP_DIRECTORY *v19; 

  v4 = 0;
  v5 = (unsigned int)Type;
  v6 = NewLength;
  v7 = OldLength;
  if( !(_DWORD)OldLength )
  {
    v14 = (_HMAP_TABLE *)Hive->Allocate(12288i64, 0i64, 925977923i64);
    v15 = v14;
    if( !v14 )
      return -1073741801;
    memset(v14, 0i64, sizeof(_HMAP_TABLE));
    p_SmallDir = (_HMAP_DIRECTORY *)&Hive->Storage[v5].SmallDir;
    Hive->Storage[v5].Map = p_SmallDir;
    p_SmallDir->Directory[0] = v15;
  }
  v9 = v5;
  if( v7 )
    v10 = (v7 >> 12) - 1;
  else
    v10 = 0;
  v11 = v10 >> 9;
  v12 = ((v6 >> 12) - 1) >> 9;
  if( v12 > v11 )
  {
    if( v11 || (v17 = v5, (_HMAP_TABLE **)Hive->Storage[v9].Map != &Hive->Storage[v9].SmallDir) )
    {
LABEL_13:
      if( !HvpAllocateMap(Hive, Hive->Storage[v9].Map, v11 + 1, v12) )
      {
        v4 = -1073741801;
        HvpFreeMap(Hive, Hive->Storage[v9].Map, v11 + 1, v12);
      }
      return v4;
    }
    v18 = (_HMAP_DIRECTORY *)Hive->Allocate(0x2000i64, 0i64, 942755139i64);
    v19 = v18;
    if( v18 )
    {
      memset(v18, 0i64, sizeof(_HMAP_DIRECTORY));
      v19->Directory[0] = Hive->Storage[v17].SmallDir;
      Hive->Storage[v17].Map = v19;
      goto LABEL_13;
    }
    return -1073741801;
  }
  return v4;
}

Referenced by: