RtlpCreateHashTable

UINT8 __stdcall RtlpCreateHashTable(
        _RTL_DYNAMIC_HASH_TABLE **HashTable,
        UINT64 InitialSize,
        UINT64 Shift,
        UINT64 Flags){
  int v4; 
  int v5; 
  int v6; 
  unsigned int v7; 
  char *PoolWithTag; 
  int v10; 
  _LIST_ENTRY *v11; 
  __int64 v12; 
  unsigned int v14; 
  char v15; 
  unsigned int v16; 
  int v17; 
  VOID **v18; 
  VOID **v19; 
  __int64 v20; 
  _LIST_ENTRY *SecondLevelDir; 
  UINT64 v22; 
  VOID *v23; 

  v4 = InitialSize - 1;
  v5 = Flags;
  v6 = Shift;
  v7 = InitialSize;
  if( (((_DWORD)InitialSize - 1) & (unsigned int)InitialSize) != 0 || (unsigned int)(InitialSize - 128) > 0x7FFF00 )
    return 0;
  PoolWithTag = (char *)*HashTable;
  v10 = 0;
  if( !*HashTable )
  {
    PoolWithTag = (char *)ExAllocatePoolWithTag(0x200ui64, 0x28ui64, 1650545736i64);
    if( !PoolWithTag )
      return 0;
    v10 = 1;
  }
  *(_QWORD *)(PoolWithTag + 20) = 0i64;
  *(_QWORD *)(PoolWithTag + 28) = 0i64;
  *((_DWORD *)PoolWithTag + 9) = 0;
  *((_DWORD *)PoolWithTag + 3) = 0;
  *(_DWORD *)PoolWithTag = v5 | v10;
  *((_DWORD *)PoolWithTag + 2) = v7;
  *((_DWORD *)PoolWithTag + 4) = v4;
  *((_DWORD *)PoolWithTag + 1) = v6;
  if( v7 > 0x80 )
  {
    _BitScanReverse(&v14, v7 + 127);
    v15 = v14;
    v16 = v14 - 7;
    v17 = (v7 + 127) ^ (1 << v15);
    v18 = ExAllocatePoolWithTag(0x200ui64, 0x80ui64, 1650545736i64);
    v19 = v18;
    if( v18 )
    {
      memset(v18, 0i64, 0x80u);
      v20 = 0i64;
      *((_QWORD *)PoolWithTag + 4) = v19;
      while( 1 )
      {
        SecondLevelDir = RtlpAllocateSecondLevelDir((unsigned int)v20);
        if( !SecondLevelDir )
          break;
        if( (unsigned int)v20 >= v16 )
          v22 = (unsigned int)(v17 + 1);
        else
          v22 = (unsigned int)(1 << (v20 + 7));
        RtlpInitializeSecondLevelDir(SecondLevelDir, v22);
        v19[v20] = v23;
        v20 = (unsigned int)(v20 + 1);
        if( (unsigned int)v20 > v16 )
          goto LABEL_7;
      }
    }
    goto LABEL_18;
  }
  v11 = RtlpAllocateSecondLevelDir(0i64);
  if( !v11 )
  {
LABEL_18:
    RtlDeleteHashTable((_RTL_DYNAMIC_HASH_TABLE *)PoolWithTag);
    return 0;
  }
  RtlpInitializeSecondLevelDir(v11, *((unsigned int *)PoolWithTag + 2));
  *((_QWORD *)PoolWithTag + 4) = v12;
LABEL_7:
  *HashTable = (_RTL_DYNAMIC_HASH_TABLE *)PoolWithTag;
  return 1;
}

Referenced by: