222 lines
4.4 KiB
C
222 lines
4.4 KiB
C
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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Regdval.c
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Abstract:
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This module contains the client side wrappers for the Win32 Registry
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APIs to delete values from a key. That is:
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- RegDeleteValueA
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- RegDeleteValueW
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Author:
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David J. Gilman (davegi) 18-Mar-1992
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Notes:
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See the notes in server\regdval.c.
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--*/
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#include <rpc.h>
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#include "regrpc.h"
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#include "client.h"
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#if defined(_WIN64)
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#include <wow64reg.h>
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#endif
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LONG
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APIENTRY
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RegDeleteValueA (
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HKEY hKey,
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LPCSTR lpValueName
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)
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/*++
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Routine Description:
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Win32 ANSI RPC wrapper for deleting a value.
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RegDeleteValueA converts the lpValueName argument to a counted Unicode
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string and then calls BaseRegDeleteValue.
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--*/
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{
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UNICODE_STRING ValueName;
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NTSTATUS Status;
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HKEY TempHandle = NULL;
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LONG Result;
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#if DBG
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if ( BreakPointOnEntry ) {
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DbgBreakPoint();
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}
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#endif
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//
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// Limit the capabilities associated with HKEY_PERFORMANCE_DATA.
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//
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if( hKey == HKEY_PERFORMANCE_DATA ) {
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return ERROR_INVALID_HANDLE;
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}
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hKey = MapPredefinedHandle( hKey, &TempHandle );
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if( hKey == NULL ) {
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Result = ERROR_INVALID_HANDLE;
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goto ExitCleanup;
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}
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//
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// Convert the value name to a counted Unicode
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//
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if( !RtlCreateUnicodeStringFromAsciiz(&ValueName,lpValueName) ) {
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Status = STATUS_NO_MEMORY;
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Result = RtlNtStatusToDosError( Status );
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goto ExitCleanup;
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}
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//
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// Add terminating NULL to Length so that RPC transmits it
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//
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ValueName.Length += sizeof( UNICODE_NULL );
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if( ValueName.Length == 0 ) {
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//
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// overflow in RtlInitUnicodeString
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//
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Result = ERROR_INVALID_PARAMETER;
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goto ExitCleanup;
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}
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//
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// Call the Base API, passing it the supplied parameters and the
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// counted Unicode strings.
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//
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if( IsLocalHandle( hKey )) {
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Result = (LONG)LocalBaseRegDeleteValue (
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hKey,
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&ValueName
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);
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#if defined(_WIN64)
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if ( Result == 0) //only set dirty if operation succeed
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Wow64RegSetKeyDirty (hKey);
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#endif
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} else {
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Result = (LONG)BaseRegDeleteValue (
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DereferenceRemoteHandle( hKey ),
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&ValueName
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);
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}
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RtlFreeUnicodeString( &ValueName );
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ExitCleanup:
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CLOSE_LOCAL_HANDLE(TempHandle);
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return Result;
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}
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LONG
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APIENTRY
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RegDeleteValueW (
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HKEY hKey,
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LPCWSTR lpValueName
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)
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/*++
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Routine Description:
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Win32 Unicode RPC wrapper for deleting a value.
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RegDeleteValueW converts the lpValueName argument to a counted Unicode
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string and then calls BaseRegDeleteValue.
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--*/
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{
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UNICODE_STRING ValueName;
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HKEY TempHandle = NULL;
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LONG Result;
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#if DBG
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if ( BreakPointOnEntry ) {
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DbgBreakPoint();
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}
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#endif
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//
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// Limit the capabilities associated with HKEY_PERFORMANCE_DATA.
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//
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if( hKey == HKEY_PERFORMANCE_DATA ) {
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return ERROR_INVALID_HANDLE;
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}
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hKey = MapPredefinedHandle( hKey, &TempHandle );
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if( hKey == NULL ) {
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Result = ERROR_INVALID_HANDLE;
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goto ExitCleanup;
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}
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//
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// Convert the value name to a counted Unicode string.
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//
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RtlInitUnicodeString( &ValueName, lpValueName );
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//
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// Add terminating NULL to Length so that RPC transmits it
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//
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ValueName.Length += sizeof( UNICODE_NULL );
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if( ValueName.Length == 0 ) {
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//
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// overflow in RtlInitUnicodeString
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//
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Result = ERROR_INVALID_PARAMETER;
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goto ExitCleanup;
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}
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//
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// Call the Base API, passing it the supplied parameters and the
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// counted Unicode strings.
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//
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if( IsLocalHandle( hKey )) {
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Result = (LONG)LocalBaseRegDeleteValue (
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hKey,
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&ValueName
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);
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#if defined(_WIN64)
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if ( Result == 0) //only set dirty if operation succeed
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Wow64RegSetKeyDirty (hKey);
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#endif
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} else {
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Result = (LONG)BaseRegDeleteValue (
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DereferenceRemoteHandle( hKey ),
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&ValueName
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);
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}
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ExitCleanup:
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CLOSE_LOCAL_HANDLE(TempHandle);
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return Result;
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}
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