uuid.hpp

/*
    SPDX-License-Identifier: MIT
    Copyright © 2016-2023 Amebis
*/
 
#pragma once
 
#include "compat.hpp"
#include <stdint.h>
#include <stdio.h>
#if defined(_WIN32)
#include "windows.h"
#include <rpc.h>
#else
#include <uuid/uuid.h>
#include <wchar.h>
#endif
 
namespace stdex
{
    inline void uuidtostr(_Out_writes_z_(39) char str[39], _In_ const uuid_t& id)
    {
        _Assume_(str);
#ifdef _WIN32
        _snprintf_s_l(str, 39, _TRUNCATE, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", NULL,
            id.Data1,
            static_cast<unsigned int>(id.Data2),
            static_cast<unsigned int>(id.Data3),
            static_cast<unsigned int>(id.Data4[0]), static_cast<unsigned int>(id.Data4[1]),
            static_cast<unsigned int>(id.Data4[2]), static_cast<unsigned int>(id.Data4[3]), static_cast<unsigned int>(id.Data4[4]), static_cast<unsigned int>(id.Data4[5]), static_cast<unsigned int>(id.Data4[6]), static_cast<unsigned int>(id.Data4[7]));
#else
        snprintf(str, 39, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", NULL,
            *reinterpret_cast<const uint32_t*>(&id[0]),
            static_cast<unsigned int>(*reinterpret_cast<const uint16_t*>(&id[4])),
            static_cast<unsigned int>(*reinterpret_cast<const uint16_t*>(&id[6])),
            static_cast<unsigned int>(id[8]), static_cast<unsigned int>(id[9]),
            static_cast<unsigned int>(id[10]), static_cast<unsigned int>(id[11]), static_cast<unsigned int>(id[12]), static_cast<unsigned int>(id[13]), static_cast<unsigned int>(id[14]), static_cast<unsigned int>(id[15]));
#endif
    }
 
    inline void uuidtostr(_Out_writes_z_(39) wchar_t str[39], _In_ const uuid_t& id)
    {
        _Assume_(str);
#ifdef _WIN32
        _snwprintf_s_l(str, 39, _TRUNCATE, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", NULL,
            id.Data1,
            static_cast<unsigned int>(id.Data2),
            static_cast<unsigned int>(id.Data3),
            static_cast<unsigned int>(id.Data4[0]), static_cast<unsigned int>(id.Data4[1]),
            static_cast<unsigned int>(id.Data4[2]), static_cast<unsigned int>(id.Data4[3]), static_cast<unsigned int>(id.Data4[4]), static_cast<unsigned int>(id.Data4[5]), static_cast<unsigned int>(id.Data4[6]), static_cast<unsigned int>(id.Data4[7]));
#else
        swprintf(str, 39, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", NULL,
            *reinterpret_cast<const uint32_t*>(&id[0]),
            static_cast<unsigned int>(*reinterpret_cast<const uint16_t*>(&id[4])),
            static_cast<unsigned int>(*reinterpret_cast<const uint16_t*>(&id[6])),
            static_cast<unsigned int>(id[8]), static_cast<unsigned int>(id[9]),
            static_cast<unsigned int>(id[10]), static_cast<unsigned int>(id[11]), static_cast<unsigned int>(id[12]), static_cast<unsigned int>(id[13]), static_cast<unsigned int>(id[14]), static_cast<unsigned int>(id[15]));
#endif
    }
}