85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2017, The OpenThread Authors.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the copyright holder nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* This file includes macros for validating runtime conditions.
|
|
*/
|
|
|
|
#ifndef CODE_UTILS_H
|
|
#define CODE_UTILS_H
|
|
|
|
/**
|
|
* This checks for the specified condition, which is expected to
|
|
* commonly be true, and branches to the local label 'exit' if the
|
|
* condition is false.
|
|
*
|
|
* @param[in] aCondition A Boolean expression to be evaluated.
|
|
*
|
|
*/
|
|
#define otEXPECT(aCondition) \
|
|
do \
|
|
{ \
|
|
if (!(aCondition)) \
|
|
{ \
|
|
goto exit; \
|
|
} \
|
|
} while (0)
|
|
|
|
/**
|
|
* This checks for the specified condition, which is expected to
|
|
* commonly be true, and both executes @p anAction and branches to
|
|
* the local label 'exit' if the condition is false.
|
|
*
|
|
* @param[in] aCondition A Boolean expression to be evaluated.
|
|
* @param[in] aAction An expression or block to execute when the
|
|
* assertion fails.
|
|
*
|
|
*/
|
|
#define otEXPECT_ACTION(aCondition, aAction) \
|
|
do \
|
|
{ \
|
|
if (!(aCondition)) \
|
|
{ \
|
|
aAction; \
|
|
goto exit; \
|
|
} \
|
|
} while (0)
|
|
|
|
/**
|
|
* This macro calculates the number of elements in an array.
|
|
*
|
|
* @param[in] aArray Name of the array variable.
|
|
*
|
|
* @returns Number of elements in the array.
|
|
*
|
|
*/
|
|
#define otARRAY_LENGTH(aArray) (sizeof(aArray) / sizeof(aArray[0]))
|
|
|
|
#endif // CODE_UTILS_H
|