Source code of Windows XP (NT5)
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/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
Regdkey.c
Abstract:
This module contains the client side wrappers for the Win32 Registry
APIs to delete a key. That is:
- RegDeleteKeyA
- RegDeleteKeyW
Author:
David J. Gilman (davegi) 18-Mar-1992
Notes:
See the notes in server\regdkey.c.
--*/
#include <rpc.h>
#include "regrpc.h"
#include "client.h"
LONG
APIENTRY
RegDeleteKeyA (
HKEY hKey,
LPCSTR lpKeyName
)
/*++
Routine Description:
Win32 ANSI RPC wrapper for deleting a Key.
RegDeleteKeyA converts the lpKeyName argument to a counted Unicode string
and then calls BaseRegDeleteKey.
--*/
{
UNICODE_STRING KeyName;
NTSTATUS Status;
HKEY TempHandle = NULL;
LONG Result;
#if DBG
if ( BreakPointOnEntry ) {
DbgBreakPoint();
}
#endif
if( lpKeyName == NULL ) {
return ERROR_INVALID_PARAMETER;
}
//
// Limit the capabilities associated with HKEY_PERFORMANCE_DATA.
//
if( hKey == HKEY_PERFORMANCE_DATA ) {
return ERROR_INVALID_HANDLE;
}
hKey = MapPredefinedHandle( hKey, &TempHandle);
if( hKey == NULL ) {
Result = ERROR_INVALID_HANDLE;
goto ExitCleanup;
}
//
// Convert the Key name to a counted Unicode string
//
if( !RtlCreateUnicodeStringFromAsciiz(&KeyName,lpKeyName) ) {
Status = STATUS_NO_MEMORY;
Result = RtlNtStatusToDosError( Status );
goto ExitCleanup;
}
//
// Add terminating NULL to Length so that RPC transmits it
//
KeyName.Length += sizeof( UNICODE_NULL );
//
// Call the Base API, passing it the supplied parameters and the
// counted Unicode strings.
//
if( IsLocalHandle( hKey )) {
Result = (LONG)LocalBaseRegDeleteKey (
hKey,
&KeyName
);
} else {
Result = (LONG)BaseRegDeleteKey (
DereferenceRemoteHandle( hKey ),
&KeyName
);
}
RtlFreeUnicodeString( &KeyName );
ExitCleanup:
CLOSE_LOCAL_HANDLE(TempHandle);
return Result;
}
LONG
APIENTRY
RegDeleteKeyW (
HKEY hKey,
LPCWSTR lpKeyName
)
/*++
Routine Description:
Win32 Unicode RPC wrapper for deleting a Key.
RegDeleteKeyW converts the lpKeyName argument to a counted Unicode string
and then calls BaseRegDeleteKey.
--*/
{
UNICODE_STRING KeyName;
HKEY TempHandle = NULL;
LONG Result;
#if DBG
if ( BreakPointOnEntry ) {
DbgBreakPoint();
}
#endif
if( lpKeyName == NULL ) {
return ERROR_INVALID_PARAMETER;
}
//
// Limit the capabilities associated with HKEY_PERFORMANCE_DATA.
//
if( hKey == HKEY_PERFORMANCE_DATA ) {
return ERROR_INVALID_HANDLE;
}
hKey = MapPredefinedHandle( hKey, &TempHandle );
// ASSERT( hKey != NULL );
if( hKey == NULL ) {
Result = ERROR_INVALID_HANDLE;
goto ExitCleanup;
}
//
// Convert the Key name to a counted Unicode string.
//
RtlInitUnicodeString( &KeyName, lpKeyName );
//
// Add terminating NULL to Length so that RPC transmits it
//
KeyName.Length += sizeof( UNICODE_NULL );
//
// Call the Base API, passing it the supplied parameters and the
// counted Unicode strings.
//
if( IsLocalHandle( hKey )) {
Result = (LONG)LocalBaseRegDeleteKey (
hKey,
&KeyName
);
} else {
Result = (LONG)BaseRegDeleteKey (
DereferenceRemoteHandle( hKey ),
&KeyName
);
}
ExitCleanup:
CLOSE_LOCAL_HANDLE(TempHandle);
return Result;
}