/*
 * video.C
 *
 *       switches the screen on/off
 *
 * Renaud Waldura <waldura@essi.fr> * Fri Dec  8 16:22:07 1995
 */

#include <unistd.h>
#include <iostream.h>
#include <stdlib.h>
#include <string.h>

#include <sys/types.h>
#include <sys/time.h>
#include <fcntl.h>
#include <sys/ioctl.h>

#include <sun/fbio.h>

#include <errno.h>


const char* const VIDEO_DEVICE = "/dev/cgthree0";


main (int argc, char* argv[])
{
    if (argc != 2) 
    {
	cerr << "Usage: " << argv[0] << " on|off" << endl;
	return 1;
    }

    int video = open(VIDEO_DEVICE, O_RDWR);
    
    if (video < 0)
    {
        perror(argv[0]);
        cerr << "\tfor " << VIDEO_DEVICE << endl;
        return 1;
    }

    int flag = (strcmp(argv[1], "on") == 0) ? FBVIDEO_ON : FBVIDEO_OFF;

    if (ioctl(video, FBIOSVIDEO, &flag) < 0)
    {
        perror(argv[0]);
        return 1;
    }

    return close(video);
}