incubator-nuttx/libs/libc/uuid/lib_uuid_stream.c

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/****************************************************************************
* libs/libc/uuid/lib_uuid_stream.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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <endian.h>
#include <string.h>
#include <uuid.h>
/****************************************************************************
* Public Functions
****************************************************************************/
void uuid_enc_le(void *buf, const uuid_t *uuid)
{
uuid_t *temp = buf;
memcpy(temp, uuid, sizeof(*uuid));
#if BYTE_ORDER == BIG_ENDIAN
temp->time_low = htole32(temp->time_low);
temp->time_mid = htole16(temp->time_mid);
temp->time_hi_and_version = htole16(temp->time_hi_and_version);
#endif
}
void uuid_dec_le(const void *buf, uuid_t *uuid)
{
const uuid_t *temp = buf;
memcpy(uuid, temp, sizeof(*uuid));
#if BYTE_ORDER == BIG_ENDIAN
uuid->time_low = le32toh(uuid->time_low);
uuid->time_mid = le16toh(uuid->time_mid);
uuid->time_hi_and_version = le16toh(uuid->time_hi_and_version);
#endif
}
void uuid_enc_be(void *buf, const uuid_t *uuid)
{
uuid_t *temp = buf;
memcpy(temp, uuid, sizeof(*uuid));
#if BYTE_ORDER == LITTLE_ENDIAN
temp->time_low = htobe32(temp->time_low);
temp->time_mid = htobe16(temp->time_mid);
temp->time_hi_and_version = htobe16(temp->time_hi_and_version);
#endif
}
void uuid_dec_be(const void *buf, uuid_t *uuid)
{
const uuid_t *temp = buf;
memcpy(uuid, temp, sizeof(*uuid));
#if BYTE_ORDER == LITTLE_ENDIAN
uuid->time_low = be32toh(uuid->time_low);
uuid->time_mid = be16toh(uuid->time_mid);
uuid->time_hi_and_version = be16toh(uuid->time_hi_and_version);
#endif
}