reactos/lib/cmlib/cminit.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

137 lines
3.6 KiB
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;
BOOLEAN CMAPI
CmCreateRootNode(
PHHIVE Hive,
PCWSTR Name)
{
PCM_KEY_NODE KeyCell;
HCELL_INDEX RootCellIndex;
ULONG NameSize;
/* Allocate the cell */
NameSize = (ULONG)strlenW(Name) * sizeof(WCHAR);
RootCellIndex = HvAllocateCell(Hive,
FIELD_OFFSET(CM_KEY_NODE, Name) + NameSize,
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) return FALSE;
/* Setup the cell */
KeyCell->Signature = (USHORT)CM_KEY_NODE_SIGNATURE;
KeyCell->Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
KeyCell->LastWriteTime.QuadPart = 0;
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;
/* Write the name */
KeyCell->NameLength = (USHORT)NameSize;
RtlCopyMemory(KeyCell->Name, Name, NameSize);
/* Return success */
HvReleaseCell(Hive, RootCellIndex);
return TRUE;
}
static VOID CMAPI
CmpPrepareKey(
PHHIVE RegistryHive,
PCM_KEY_NODE KeyCell);
static VOID CMAPI
CmpPrepareIndexOfKeys(
PHHIVE RegistryHive,
PCM_KEY_INDEX IndexCell)
{
ULONG i;
if (IndexCell->Signature == CM_KEY_INDEX_ROOT ||
IndexCell->Signature == CM_KEY_INDEX_LEAF)
{
for (i = 0; i < IndexCell->Count; i++)
{
PCM_KEY_INDEX SubIndexCell = HvGetCell(RegistryHive, IndexCell->List[i]);
if (SubIndexCell->Signature == CM_KEY_NODE_SIGNATURE)
CmpPrepareKey(RegistryHive, (PCM_KEY_NODE)SubIndexCell);
else
CmpPrepareIndexOfKeys(RegistryHive, SubIndexCell);
}
}
else if (IndexCell->Signature == CM_KEY_FAST_LEAF ||
IndexCell->Signature == CM_KEY_HASH_LEAF)
{
PCM_KEY_FAST_INDEX HashCell = (PCM_KEY_FAST_INDEX)IndexCell;
for (i = 0; i < HashCell->Count; i++)
{
PCM_KEY_NODE SubKeyCell = HvGetCell(RegistryHive, HashCell->List[i].Cell);
CmpPrepareKey(RegistryHive, SubKeyCell);
}
}
else
{
DPRINT1("IndexCell->Signature %x\n", IndexCell->Signature);
ASSERT(FALSE);
}
}
static VOID CMAPI
CmpPrepareKey(
PHHIVE RegistryHive,
PCM_KEY_NODE KeyCell)
{
PCM_KEY_INDEX IndexCell;
ASSERT(KeyCell->Signature == CM_KEY_NODE_SIGNATURE);
KeyCell->SubKeyLists[Volatile] = HCELL_NIL;
KeyCell->SubKeyCounts[Volatile] = 0;
/* Enumerate and add subkeys */
if (KeyCell->SubKeyCounts[Stable] > 0)
{
IndexCell = HvGetCell(RegistryHive, KeyCell->SubKeyLists[Stable]);
CmpPrepareIndexOfKeys(RegistryHive, IndexCell);
}
}
VOID CMAPI
CmPrepareHive(
PHHIVE RegistryHive)
{
PCM_KEY_NODE RootCell;
RootCell = HvGetCell(RegistryHive, RegistryHive->BaseBlock->RootCell);
CmpPrepareKey(RegistryHive, RootCell);
}