6c03a4e4d5
specified by OpenGroup here: https://pubs.opengroup.org/onlinepubs/009629399/toc.htm Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: I3bc585e7f4d41f6c2ea70e170276ab0d0399b088
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/****************************************************************************
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* libs/libc/uuid/lib_uuid_stream.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <endian.h>
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#include <string.h>
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#include <uuid.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void uuid_enc_le(void *buf, const uuid_t *uuid)
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{
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uuid_t *temp = buf;
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memcpy(temp, uuid, sizeof(*uuid));
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#if BYTE_ORDER == BIG_ENDIAN
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temp->time_low = htole32(temp->time_low);
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temp->time_mid = htole16(temp->time_mid);
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temp->time_hi_and_version = htole16(temp->time_hi_and_version);
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#endif
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}
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void uuid_dec_le(const void *buf, uuid_t *uuid)
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{
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const uuid_t *temp = buf;
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memcpy(uuid, temp, sizeof(*uuid));
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#if BYTE_ORDER == BIG_ENDIAN
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uuid->time_low = le32toh(uuid->time_low);
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uuid->time_mid = le16toh(uuid->time_mid);
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uuid->time_hi_and_version = le16toh(uuid->time_hi_and_version);
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#endif
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}
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void uuid_enc_be(void *buf, const uuid_t *uuid)
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{
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uuid_t *temp = buf;
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memcpy(temp, uuid, sizeof(*uuid));
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#if BYTE_ORDER == LITTLE_ENDIAN
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temp->time_low = htobe32(temp->time_low);
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temp->time_mid = htobe16(temp->time_mid);
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temp->time_hi_and_version = htobe16(temp->time_hi_and_version);
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#endif
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}
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void uuid_dec_be(const void *buf, uuid_t *uuid)
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{
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const uuid_t *temp = buf;
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memcpy(uuid, temp, sizeof(*uuid));
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#if BYTE_ORDER == LITTLE_ENDIAN
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uuid->time_low = be32toh(uuid->time_low);
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uuid->time_mid = be16toh(uuid->time_mid);
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uuid->time_hi_and_version = be16toh(uuid->time_hi_and_version);
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#endif
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}
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