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- /*############################################################################
- # Copyright 2017 Intel Corporation
- #
- # 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.
- ############################################################################*/
- /// Convert values between host and big-/little-endian byte order.
- /*! \file */
- #ifndef EPID_MEMBER_TINY_STDLIB_ENDIAN_H_
- #define EPID_MEMBER_TINY_STDLIB_ENDIAN_H_
- #include <stdint.h>
- /// Transform big endian uint32_t to host uint32_t
- #define be32toh(big_endian_32bits) \
- ((uint32_t)(((((unsigned char*)&(big_endian_32bits))[0]) << 24) + \
- ((((unsigned char*)&(big_endian_32bits))[1]) << 16) + \
- ((((unsigned char*)&(big_endian_32bits))[2]) << 8) + \
- (((unsigned char*)&(big_endian_32bits))[3])))
- /// Transform host uint32_t to big endian uint32_t
- #define htobe32(host_32bits) \
- (uint32_t)(((((uint32_t)(host_32bits)) & 0xFF) << 24) | \
- ((((uint32_t)(host_32bits)) & 0xFF00) << 8) | \
- ((((uint32_t)(host_32bits)) & 0xFF0000) >> 8) | \
- ((((uint32_t)(host_32bits)) & 0xFF000000) >> 24))
- #endif // EPID_MEMBER_TINY_STDLIB_ENDIAN_H_
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