[WIN API] FormatMessage 예제

Everyday is Xmas Eve in Savone World!! | 유원미
http://blog.naver.com/savone/80007815552

#include <windows.h>
#include <tchar.h>
void err_quit(LPCTSTR msg)
{
    LPVOID lpMsgBuf;
    FormatMessage(
        FORMAT_MESSAGE_ALLOCATE_BUFFER |
        FORMAT_MESSAGE_FROM_SYSTEM |
        FORMAT_MESSAGE_IGNORE_INSERTS,
        NULL,
        GetLastError(),
        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
        (LPTSTR) &lpMsgBuf,
        0,
        NULL
    );
    
    MessageBox( NULL, (LPCTSTR)lpMsgBuf, msg, MB_ICONERROR);
    LocalFree( lpMsgBuf );
    ExitProcess(-1);
}

int main(int argc, char* argv[])
{
    HANDLE hFile = CreateFile( _T("readme.txt"),
    GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);

    if( hFile == INVALID_HANDLE_VALUE )
    {
        err_quit(_T("CreateFile()"));
    }

    return 0;
}