윈도우 버전 가져오기 (Get Windows OS Version)

GetWindowsVersion.cpp

#include <stdio.h>
#include <tchar.h>
#include <Windows.h>

#pragma comment(lib, "version")

static void print_version()
{
	DWORD buffer_size = GetFileVersionInfoSize(_T("kernel32.dll"), NULL);
	if (buffer_size == 0)
	{
		// get error from GetLastError()
		return;
	}

	VOID *buffer = malloc(buffer_size);
	if (buffer == NULL)
	{
		// out of memory
		return;
	}

	if (!GetFileVersionInfo(_T("kernel32.dll"), 0, buffer_size, buffer))
	{
		goto error;
	}

	VS_FIXEDFILEINFO *version = NULL;
	UINT version_len = 0;
	if (!VerQueryValue(buffer,
		_T("\\"),
		(LPVOID*)&version,
		&version_len))
	{
		goto error;
	}

	_tprintf(_T("Version is: %u.%u\n"),
		HIWORD(version->dwProductVersionMS),
		LOWORD(version->dwProductVersionMS));

error:
	free(buffer);
}

int main()
{
	print_version();
    return 0;
}