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- Implement IopGetRegistryValue (complementary function to IopOpenRegistryKeyEx). Not used yet.

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svn path=/trunk/; revision=35566
This commit is contained in:
Aleksey Bragin 2008-08-23 17:11:12 +00:00
parent 5cf8b31211
commit e8d5b46ac4
2 changed files with 52 additions and 0 deletions
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7
reactos/ntoskrnl/include/internal/io.h
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@ -593,6 +593,13 @@ IopOpenRegistryKeyEx(
PUNICODE_STRING Name,
ACCESS_MASK DesiredAccess);
NTSTATUS
NTAPI
IopGetRegistryValue(IN HANDLE Handle,
IN PWSTR ValueName,
OUT PKEY_VALUE_FULL_INFORMATION *Information);
//
// Initialization Routines
//

45
reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
View file

@ -2775,6 +2775,51 @@ IopOpenRegistryKeyEx(PHANDLE KeyHandle,
return Status;
}
NTSTATUS
NTAPI
IopGetRegistryValue(IN HANDLE Handle,
IN PWSTR ValueName,
OUT PKEY_VALUE_FULL_INFORMATION *Information)
{
UNICODE_STRING ValueString;
NTSTATUS Status;
PKEY_VALUE_FULL_INFORMATION FullInformation;
ULONG Size;
PAGED_CODE();
RtlInitUnicodeString(&ValueString, ValueName);
Status = ZwQueryValueKey(Handle,
&ValueString,
KeyValueFullInformation,
NULL,
0,
&Size);
if ((Status != STATUS_BUFFER_OVERFLOW) &&
(Status != STATUS_BUFFER_TOO_SMALL))
{
return Status;
}
FullInformation = ExAllocatePool(NonPagedPool, Size);
if (!FullInformation) return STATUS_INSUFFICIENT_RESOURCES;
Status = ZwQueryValueKey(Handle,
&ValueString,
KeyValueFullInformation,
FullInformation,
Size,
&Size);
if (!NT_SUCCESS(Status))
{
ExFreePool(FullInformation);
return Status;
}
*Information = FullInformation;
return STATUS_SUCCESS;
}
static NTSTATUS INIT_FUNCTION
NTAPI
PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)