Windows/POSIX 'stdin echo' Disable/Enable

/*==================================================================================================
  --------------------------------------------------------------------------------------------------
  [stdin_echo.c]
    Conditionally disable/enable console/terminal echo on Windows/POSIX OSes.

        (c) Damion 'Phr0z3n.dev' Tapper, 2014.
        Email: [email protected]
  --------------------------------------------------------------------------------------------------
  ==================================================================================================*/

#define _WINDOWS    0x001
#define _NIX        0x002

#define _MY_ENV WINDOWS
//#define   _MY_ENV _NIX

#if _MY_ENV == WINDOWS
    #include <windows.h>
#elif _MY_ENV == _NIX
    #include <termios.h>
    #include <unistd.h>
#endif

void SetStdinEcho(bool);

void SetStdinEcho(bool enable = true)
{
#if _MY_ENV == WINDOWS
    HANDLE  hStdin = GetStdHandle(STD_INPUT_HANDLE);
    DWORD   mode;

    GetConsoleMode(hStdin, &mode);

        if(!enable)
            mode &= ~ENABLE_ECHO_INPUT;
        else
            mode |= ENABLE_ECHO_INPUT;

    SetConsoleMode(hStdin, mode);
#elif _MY_ENV == _NIX
    struct  termios tty;

    tcgetattr(STDIN_FILENO, &tty);

        if(!enable)
            tty.c_lflag &= ~ECHO;
        else
            tty.c_lflag |= ECHO;

    (void)tcsetattr(STDIN_FILENO, TCSANOW, &tty);
#endif
}