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/*
* Copyright (C) 2015 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 __CUTILS_ENDIAN_H
#define __CUTILS_ENDIAN_H
#if defined(__linux__) && !defined(TEST_CUTILS_ENDIAN_H)
#include <endian.h>
#else
#if !defined(__BYTE_ORDER__)
/* gcc and clang predefine __BYTE_ORDER__, so this should never happen */
#error Compiler does not define __BYTE_ORDER__
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define htobe16(x) (x)
#define htobe32(x) (x)
#define htobe64(x) (x)
#define htole16(x) __builtin_bswap16(x)
#define htole32(x) __builtin_bswap32(x)
#define htole64(x) __builtin_bswap64(x)
#else
#define htobe16(x) __builtin_bswap16(x)
#define htobe32(x) __builtin_bswap32(x)
#define htobe64(x) __builtin_bswap64(x)
#define htole16(x) (x)
#define htole32(x) (x)
#define htole64(x) (x)
#endif /* __BYTE_ORDER__ */
#define be16toh(x) htobe16(x)
#define le16toh(x) htole16(x)
#define be32toh(x) htobe32(x)
#define le32toh(x) htole32(x)
#define be64toh(x) htobe64(x)
#define le64toh(x) htole64(x)
#endif /* defined(__linux__) */
#endif /* __CUTILS_ENDIAN_H */
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