B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeDeleteEx

__int64 __fastcall B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeDeleteEx(
        _QWORD *a1,
        __int64 a2){
  unsigned int v3; 
  UINT8 *v4; 
  _BYTE *v6; 
  UINT8 *v7; 
  char v8; 
  __int64 v9; 
  __int64 v10; 
  unsigned int v11; 
  __int64 v12; 
  UINT64 v13; 
  unsigned __int64 v14; 
  __int64 v15; 
  _DWORD *v16; 
  __int64 v18; 
  unsigned int v19; 
  __int64 v20; 
  __int64 v21; 
  unsigned __int64 v22; 
  unsigned __int64 v23; 
  __int64 v24; 
  __int64 v25; 
  __int128 v26; 
  unsigned int v27; 
  v3 = 0;
  v4 = (UINT8 *)(*(_QWORD *)a2 + 16i64 * (unsigned int)(*(_DWORD *)(a2 + 24) - 1));
  v26 = 0i64;
  v6 = *(_BYTE **)v4;
  v7 = (UINT8 *)*((_QWORD *)v4 + 1);
  v8 = *(_BYTE *)(*(_QWORD *)v4 + 3i64);
  v9 = (unsigned __int16)**(_DWORD **)v4;
  if( v8 )
  {
    v10 = 8 * v9 + 8;
    v11 = 255;
    v12 = 8i64;
  }
  else
  {
    v11 = 127;
    v10 = 16 * v9;
    v12 = 16i64;
  }
  v27 = v11;
  v13 = (UINT64)&v6[v10 - (_QWORD)v7];
  if( v13 )
  {
    memmove(v7, &v7[v12], v13);
    v8 = v6[3];
  }
  --*(_WORD *)v6;
  if( v8 )
    --a1[1];
  v14 = (unsigned __int16)*(_DWORD *)v6;
  if( (_BYTE *)*a1 != v6 )
  {
    if( (unsigned int)v14 >= v11 )
    {
LABEL_9:
      v15 = *(_QWORD *)v4;
      v16 = (_DWORD *)*((_QWORD *)v4 + 1);
      if( v16 == (_DWORD *)(v15 + 16)
        && *(_BYTE *)(v15 + 3)
        && (unsigned int)B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeFindSeperatorIndexEntry(
                           a2,
                           0,
                           (__int64)&v26) )
      {
        **((_DWORD **)&v26 + 1) = *v16;
      }
      return v3;
    }
    v18 = B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeRedistribute(
            (_DWORD *)v14,
            a2);
    if( !v18 )
      return(unsigned int)-1073741818;
    v19 = (unsigned __int16)*(_DWORD *)v6;
    if( v19 < v27 )
    {
      B_TREE<_SM_PAGE_KEY,SMKM_STORE_MGR::SMKM_FRONTEND_ENTRY,4096,B_TREE_DUMMY_NODE_POOL,B_TREE_KEY_COMPARATOR<_SM_PAGE_KEY>>::BTreeMergeNodes(
        (__int64)a1,
        a2,
        v18);
      v4 = (UINT8 *)(*(_QWORD *)a2 + 16i64 * (unsigned int)(*(_DWORD *)(a2 + 24) - 1));
      if( (v18 & 1) == 0 )
        goto LABEL_9;
      v23 = v18 & 0xFFFFFFFFFFFFFFFEui64;
      *(_QWORD *)v4 = v23;
      v24 = (unsigned __int16)*(_DWORD *)v23;
      if( *(_BYTE *)(v23 + 3) )
        v25 = 8 * v24 + 16;
      else
        v25 = 16 * (v24 + 1);
      v22 = v23 + v25 - v13;
    }
    else
    {
      if( (v18 & 1) == 0 )
        goto LABEL_9;
      v20 = *((_QWORD *)v4 + 1);
      v21 = v19 - v27 + 1;
      if( v6[3] )
        v22 = v20 + 8 * v21;
      else
        v22 = v20 + 16 * v21;
    }
    *((_QWORD *)v4 + 1) = v22;
    goto LABEL_9;
  }
  if( !(unsigned __int16)*(_DWORD *)v6 && !v6[3] )
  {
    memmove(v4, v4 + 16, 16i64 * (unsigned int)(*(_DWORD *)(a2 + 28) - 1));
    --*(_DWORD *)(a2 + 24);
    *a1 = *((_QWORD *)v6 + 1);
    ExFreePoolWithTag(v6, 0);
  }
  return v3;
}

Referenced by: