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/*
* Copyright (C) 2021 The Android Open Sourete 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.
*/
#include <string.h>
#include <trusty/coverage/uuid.h>
#include <uuid.h>
#include <stdio.h>
static uint16_t reverse_u16(uint16_t u) {
return u << 8 | u >> 8;
}
static uint32_t reverse_u32(uint32_t u) {
return reverse_u16((uint16_t)u) << 16 | reverse_u16(u >> 16);
}
bool str_to_uuid(const char* str, struct uuid* uuid) {
uuid_t uu;
static_assert(sizeof(uu) == sizeof(*uuid));
if (uuid_parse(str, uu)) {
return false;
}
memcpy(uuid, uu, sizeof(*uuid));
uuid->time_low = reverse_u32(uuid->time_low);
uuid->time_mid = reverse_u16(uuid->time_mid);
uuid->time_hi_and_version = reverse_u16(uuid->time_hi_and_version);
return true;
}
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