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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed 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 CHPP_MACROS_H_
#define CHPP_MACROS_H_
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef UNUSED_VAR
#define UNUSED_VAR(var) ((void)(var))
#endif
#ifndef MIN
#define MIN(a, b) ((a) < (b)) ? (a) : (b)
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b)) ? (a) : (b)
#endif
#ifndef CHPP_ASSERT
#define CHPP_ASSERT(var) assert(var)
#endif
#ifndef CHPP_NOT_NULL
#define CHPP_NOT_NULL(var) CHPP_ASSERT((var) != NULL)
#endif
/**
* Macros for defining (compiler dependent) packed structures
*/
#if defined(__GNUC__) || defined(__clang__)
// For GCC and clang
#define CHPP_PACKED_START
#define CHPP_PACKED_END
#define CHPP_PACKED_ATTR __attribute__((packed))
#elif defined(__ICCARM__) || defined(__CC_ARM)
// For IAR ARM and Keil MDK-ARM compilers
#define CHPP_PACKED_START _Pragma("pack(push, 1)")
#define CHPP_PACKED_END _Pragma("pack(pop)")
#define CHPP_PACKED_ATTR
#else
// Unknown compiler
#error Unrecognized compiler
#endif
#ifdef __cplusplus
}
#endif
#endif // CHPP_MACROS_H_
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