mcumgr/mgmt/include/mgmt/endian.h

59 lines
1.3 KiB
C

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 H_MGMT_ENDIAN_
#define H_MGMT_ENDIAN_
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#ifndef ntohs
#define ntohs(x) (x)
#endif
#ifndef htons
#define htons(x) (x)
#endif
#else
/* Little endian. */
#ifndef ntohs
#define ntohs(x) ((uint16_t) \
((((x) & 0xff00) >> 8) | \
(((x) & 0x00ff) << 8)))
#endif
#ifndef htons
#define htons(x) (ntohs(x))
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif