xref: /reactos/sdk/lib/cmlib/cminit.c (revision 4514e91d)
1 /*
2  * PROJECT:   Registry manipulation library
3  * LICENSE:   GPL - See COPYING in the top level directory
4  * COPYRIGHT: Copyright 2005 Filip Navara <navaraf@reactos.org>
5  *            Copyright 2001 - 2005 Eric Kohl
6  */
7 
8 #include "cmlib.h"
9 #define NDEBUG
10 #include <debug.h>
11 
12 ULONG CmlibTraceLevel = 0;
13 
14 // FIXME: This function must be replaced by CmpCreateRootNode from ntoskrnl/config/cmsysini.c
15 // (and CmpCreateRootNode be moved there).
16 BOOLEAN CMAPI
17 CmCreateRootNode(
18     PHHIVE Hive,
19     PCWSTR Name)
20 {
21     UNICODE_STRING KeyName;
22     PCM_KEY_NODE KeyCell;
23     HCELL_INDEX RootCellIndex;
24 
25     /* Initialize the node name and allocate it */
26     RtlInitUnicodeString(&KeyName, Name);
27     RootCellIndex = HvAllocateCell(Hive,
28                                    FIELD_OFFSET(CM_KEY_NODE, Name) +
29                                    CmpNameSize(Hive, &KeyName),
30                                    Stable,
31                                    HCELL_NIL);
32     if (RootCellIndex == HCELL_NIL) return FALSE;
33 
34     /* Seutp the base block */
35     Hive->BaseBlock->RootCell = RootCellIndex;
36     Hive->BaseBlock->CheckSum = HvpHiveHeaderChecksum(Hive->BaseBlock);
37 
38     /* Get the key cell */
39     KeyCell = (PCM_KEY_NODE)HvGetCell(Hive, RootCellIndex);
40     if (!KeyCell)
41     {
42         HvFreeCell(Hive, RootCellIndex);
43         return FALSE;
44     }
45 
46     /* Setup the cell */
47     KeyCell->Signature = CM_KEY_NODE_SIGNATURE;
48     KeyCell->Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
49     // KeQuerySystemTime(&KeyCell->LastWriteTime);
50     KeyCell->LastWriteTime.QuadPart = 0ULL;
51     KeyCell->Parent = HCELL_NIL;
52     KeyCell->SubKeyCounts[Stable] = 0;
53     KeyCell->SubKeyCounts[Volatile] = 0;
54     KeyCell->SubKeyLists[Stable] = HCELL_NIL;
55     KeyCell->SubKeyLists[Volatile] = HCELL_NIL;
56     KeyCell->ValueList.Count = 0;
57     KeyCell->ValueList.List = HCELL_NIL;
58     KeyCell->Security = HCELL_NIL;
59     KeyCell->Class = HCELL_NIL;
60     KeyCell->ClassLength = 0;
61     KeyCell->MaxNameLen = 0;
62     KeyCell->MaxClassLen = 0;
63     KeyCell->MaxValueNameLen = 0;
64     KeyCell->MaxValueDataLen = 0;
65     KeyCell->NameLength = CmpCopyName(Hive, KeyCell->Name, &KeyName);
66     if (KeyCell->NameLength < KeyName.Length) KeyCell->Flags |= KEY_COMP_NAME;
67 
68     /* Return success */
69     HvReleaseCell(Hive, RootCellIndex);
70     return TRUE;
71 }
72