/*++

Copyright (c) 1991  Microsoft Corporation

Module Name:

    Regdval.c

Abstract:

    This module contains the server side implementation for the Win32
    Registry API to delete values from keys. That is:

        - BaseRegDeleteValue

Author:

    David J. Gilman (davegi) 15-Nov-1991

Notes:

    See the Notes in Regkey.c.

--*/

#include <rpc.h>
#include "regrpc.h"
#include "localreg.h"

error_status_t
BaseRegDeleteValue (
    HKEY hKey,
    PUNICODE_STRING lpValueName
    )

/*++

Routine Description:

    Remove the named value from the specified key.

Arguments:

    hKey - Supplies a handle to the open key.

    lpValueName - Supplies the name of the value to remove.  lpValueName
        may be NULL.

Return Value:

    Returns ERROR_SUCCESS (0) for success; error-code for failure.

Notes:

    hKey must have been opened for KEY_SET_VALUE.

--*/

{

    //
    //  Subtract the NULL from the string length. This was added
    //  by the client so that RPC would transmit the whole thing.
    //
    lpValueName->Length -= sizeof( UNICODE_NULL );

    //
    // Call the Nt Api to delete the value, map the NTSTATUS code to a
    // Win32 Registry error code and return.
    //

    return (error_status_t)RtlNtStatusToDosError(
                                       NtDeleteValueKey(
                                           hKey,
                                           lpValueName
                                           )
                                       );
}