57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/****************************************************************************
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* include/nuttx/nuttx.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_NUTTX_H
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#define __INCLUDE_NUTTX_NUTTX_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stddef.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Name: container_of
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*
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* Description:
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* Cast a member of a structure out to get the address of the containing
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* structure
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*
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* Arguments:
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* ptr - The pointer to the member.
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* type - The type of the container struct this is embedded in.
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* member - The name of the member within the struct.
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*/
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#define container_of(ptr, type, member) \
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((type *)((uintptr_t)(ptr) - offsetof(type, member)))
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/* Stringify the arguments */
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#define STRINGIFY_(x) #x
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#define STRINGIFY(x) STRINGIFY_(x)
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#endif /* __INCLUDE_NUTTX_NUTTX_H */
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