include/sys/sysmacros.h

/****************************************************************************
 * include/sys/sysmacros.h
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __INCLUDE_SYS_SYSMACROS_H
#define __INCLUDE_SYS_SYSMACROS_H

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#define major(x)          ((int)(0x00ff & ((x) >> 8)))
#define minor(x)          ((int)(0xffff00ff & (x)))
#define makedev(maj, min) ((0xff00 & ((maj) << 8)) | (0xffff00ff & (min)))

#endif /* __INCLUDE_SYS_SYSMACROS_H */