reactos/sdk/lib/cmlib/cminit.c

/*
 * PROJECT:   Registry manipulation library
 * LICENSE:   GPL - See COPYING in the top level directory
 * COPYRIGHT: Copyright 2005 Filip Navara <navaraf@reactos.org>
 *            Copyright 2001 - 2005 Eric Kohl
 */

#include "cmlib.h"
#define NDEBUG
#include <debug.h>

ULONG CmlibTraceLevel = 0;

// FIXME: This function must be replaced by CmpCreateRootNode from ntoskrnl/config/cmsysini.c
// (and CmpCreateRootNode be moved there).
BOOLEAN CMAPI
CmCreateRootNode(
    PHHIVE Hive,
    PCWSTR Name)
{
    UNICODE_STRING KeyName;
    PCM_KEY_NODE KeyCell;
    HCELL_INDEX RootCellIndex;

    /* Initialize the node name and allocate it */
    RtlInitUnicodeString(&KeyName, Name);
    RootCellIndex = HvAllocateCell(Hive,
                                   FIELD_OFFSET(CM_KEY_NODE, Name) +
                                   CmpNameSize(Hive, &KeyName),
                                   Stable,
                                   HCELL_NIL);
    if (RootCellIndex == HCELL_NIL) return FALSE;

    /* Seutp the base block */
    Hive->BaseBlock->RootCell = RootCellIndex;
    Hive->BaseBlock->CheckSum = HvpHiveHeaderChecksum(Hive->BaseBlock);

    /* Get the key cell */
    KeyCell = (PCM_KEY_NODE)HvGetCell(Hive, RootCellIndex);
    if (!KeyCell)
    {
        HvFreeCell(Hive, RootCellIndex);
        return FALSE;
    }

    /* Setup the cell */
    KeyCell->Signature = CM_KEY_NODE_SIGNATURE;
    KeyCell->Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
    // KeQuerySystemTime(&KeyCell->LastWriteTime);
    KeyCell->LastWriteTime.QuadPart = 0ULL;
    KeyCell->Parent = HCELL_NIL;
    KeyCell->SubKeyCounts[Stable] = 0;
    KeyCell->SubKeyCounts[Volatile] = 0;
    KeyCell->SubKeyLists[Stable] = HCELL_NIL;
    KeyCell->SubKeyLists[Volatile] = HCELL_NIL;
    KeyCell->ValueList.Count = 0;
    KeyCell->ValueList.List = HCELL_NIL;
    KeyCell->Security = HCELL_NIL;
    KeyCell->Class = HCELL_NIL;
    KeyCell->ClassLength = 0;
    KeyCell->MaxNameLen = 0;
    KeyCell->MaxClassLen = 0;
    KeyCell->MaxValueNameLen = 0;
    KeyCell->MaxValueDataLen = 0;
    KeyCell->NameLength = CmpCopyName(Hive, KeyCell->Name, &KeyName);
    if (KeyCell->NameLength < KeyName.Length) KeyCell->Flags |= KEY_COMP_NAME;

    /* Return success */
    HvReleaseCell(Hive, RootCellIndex);
    return TRUE;
}