79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/****************************************************************************
|
|
* include/nuttx/nuttx.h
|
|
*
|
|
* 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_NUTTX_NUTTX_H
|
|
#define __INCLUDE_NUTTX_NUTTX_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stddef.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Align definitions */
|
|
|
|
#ifndef ALIGN_MASK
|
|
# define ALIGN_MASK(s) ((1 << (s)) - 1)
|
|
#endif
|
|
|
|
#ifndef ALIGN_UP
|
|
# define ALIGN_UP(x,a) (((x) + ((a) - 1)) & ~((a) - 1))
|
|
#endif
|
|
|
|
#ifndef ALIGN_UP_MASK
|
|
# define ALIGN_UP_MASK(x,m) (((x) + (m)) & ~(m))
|
|
#endif
|
|
|
|
#ifndef ALIGN_DOWN
|
|
# define ALIGN_DOWN(x,a) ((x) & (~((a) - 1)))
|
|
#endif
|
|
|
|
#ifndef ALIGN_DOWN_MASK
|
|
# define ALIGN_DOWN_MASK(x,m) ((x) & ~(m))
|
|
#endif
|
|
|
|
/* Name: container_of
|
|
*
|
|
* Description:
|
|
* Cast a member of a structure out to get the address of the containing
|
|
* structure
|
|
*
|
|
* Arguments:
|
|
* ptr - The pointer to the member.
|
|
* type - The type of the container struct this is embedded in.
|
|
* member - The name of the member within the struct.
|
|
*/
|
|
|
|
#define container_of(ptr, type, member) \
|
|
((type *)((uintptr_t)(ptr) - offsetof(type, member)))
|
|
|
|
/* Stringify the arguments */
|
|
|
|
#define STRINGIFY_(x) #x
|
|
#define STRINGIFY(x) STRINGIFY_(x)
|
|
|
|
#endif /* __INCLUDE_NUTTX_NUTTX_H */
|