윈도우 uuid(guid) 생성

#pragma once

#include <string>

#include <iomanip>

#include <sstream>

using namespace std;

#include <strsafe.h>

// ex) E66B83DC-F191-406A-9F39-57FA19250F4E

string createUuidUsePrintf()

{

GUID guid;

if (CoCreateGuid(&guid) != S_OK) return "";

string guid_str(40, 0); // size : 40

StringCchPrintfA(&guid_str.at(0), guid_str.size(), 

"%.8X-%.4X-%.4X-%.2X%.2X-%.2X%.2X%.2X%.2X%.2X%.2X", 

guid.Data1, guid.Data2, guid.Data3, 

guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3], guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);

return guid_str;

}

// ex) E66B83DCF191406A9F3957FA19250F4E

string createUuid()

{

GUID guid;

if (CoCreateGuid(&guid) != S_OK) return "";

stringstream ss;

ss << hex << uppercase << setfill('0')

<< setw(8) << guid.Data1

<< setw(4) << guid.Data2

<< setw(4) << guid.Data3

<< setw(2) << (int)guid.Data4[0]

<< setw(2) << (int)guid.Data4[1]

<< setw(2) << (int)guid.Data4[2]

<< setw(2) << (int)guid.Data4[3]

<< setw(2) << (int)guid.Data4[4]

<< setw(2) << (int)guid.Data4[5]

<< setw(2) << (int)guid.Data4[6]

<< setw(2) << (int)guid.Data4[7];

return ss.str();

}

// ex) E66B83DC-F191-406A-9F39-57FA19250F4E

string createUuidDash()

{

GUID guid;

if (CoCreateGuid(&guid) != S_OK) return "";

stringstream ss;

ss << hex << uppercase << setfill('0')

<< setw(8) << guid.Data1 << "-"

<< setw(4) << guid.Data2 << "-"

<< setw(4) << guid.Data3 << "-"

<< setw(2) << (int)guid.Data4[0]

<< setw(2) << (int)guid.Data4[1] << "-"

<< setw(2) << (int)guid.Data4[2]

<< setw(2) << (int)guid.Data4[3]

<< setw(2) << (int)guid.Data4[4]

<< setw(2) << (int)guid.Data4[5]

<< setw(2) << (int)guid.Data4[6]

<< setw(2) << (int)guid.Data4[7];

return ss.str();

}

// ex) {E66B83DC-F191-406A-9F39-57FA19250F4E}

string createUuidBraceDash()

{

return "{" + createUuidDash() + "}";

}