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Implemented direct query of REG_EXPAND_SZ values.

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svn path=/trunk/; revision=3109
This commit is contained in:
Eric Kohl 2002-06-17 15:42:30 +00:00
parent df3c5b992e
commit 1b52f5ff18
1 changed files with 65 additions and 9 deletions
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74
reactos/lib/ntdll/rtl/registry.c
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@ -1,4 +1,4 @@
/* $Id: registry.c,v 1.14 2002/06/12 23:21:45 ekohl Exp $
/* $Id: registry.c,v 1.15 2002/06/17 15:42:30 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -178,7 +178,10 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
FALSE,
&BaseKeyHandle);
if (!NT_SUCCESS(Status))
return(Status);
{
DPRINT("RtlpGetRegistryHandle() failed (Status %lx)\n", Status);
return(Status);
}
CurrentKeyHandle = BaseKeyHandle;
QueryEntry = QueryTable;
@ -291,13 +294,9 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
}
else
{
if (ValueInfo->Type == REG_SZ ||
ValueInfo->Type == REG_EXPAND_SZ ||
ValueInfo->Type == REG_MULTI_SZ)
#if 0
if ((ValueInfo->Type == REG_SZ) ||
(ValueInfo->Type == REG_MULTI_SZ) ||
(ValueInfo->Type == REG_EXPAND_SZ && (QueryEntry->Flags & RTL_QUERY_REGISTRY_NOEXPAND)))
(ValueInfo->Type == REG_MULTI_SZ && (QueryEntry->Flags & RTL_QUERY_REGISTRY_NOEXPAND)))
#endif
{
PUNICODE_STRING ValueString;
@ -322,6 +321,63 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
ValueString->Length);
((PWSTR)ValueString->Buffer)[ValueString->Length / sizeof(WCHAR)] = 0;
}
else if (ValueInfo->Type == REG_EXPAND_SZ)
{
PUNICODE_STRING ValueString;
DPRINT("Expand REG_EXPAND_SZ type\n");
ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
ExpandBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueInfo->DataLength * 2);
if (ExpandBuffer == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
RtlInitUnicodeString(&EnvValue,
(PWSTR)ValueInfo->Data);
EnvExpandedValue.Length = 0;
EnvExpandedValue.MaximumLength = ValueInfo->DataLength * 2 * sizeof(WCHAR);
EnvExpandedValue.Buffer = ExpandBuffer;
*ExpandBuffer = 0;
RtlExpandEnvironmentStrings_U(Environment,
&EnvValue,
&EnvExpandedValue,
&StringLen);
if (ValueString->Buffer == NULL)
{
ValueString->MaximumLength = EnvExpandedValue.Length + sizeof(WCHAR);
ValueString->Length = EnvExpandedValue.Length;
ValueString->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueString->MaximumLength);
if (ValueString->Buffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
}
else
{
ValueString->Length = min(EnvExpandedValue.Length,
ValueString->MaximumLength - sizeof(WCHAR));
}
memcpy(ValueString->Buffer,
EnvExpandedValue.Buffer,
ValueString->Length);
((PWSTR)ValueString->Buffer)[ValueString->Length / sizeof(WCHAR)] = 0;
RtlFreeHeap(RtlGetProcessHeap(),
0,
ExpandBuffer);
}
else
{
memcpy(QueryEntry->EntryContext,
@ -899,7 +955,7 @@ RtlpGetRegistryHandle(ULONG RelativeTo,
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
NULL,
NULL);