do reboot more flexibly

[unix-history] / usr / src / old / rxformat / rxformat.c

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
All rights reserved.\n";
#endif not lint

#ifndef lint
static char sccsid[] = "@(#)rxformat.c  5.2 (Berkeley) %G%";
#endif not lint

#include <stdio.h>
#include <sys/file.h>
#include <errno.h>
#include <vaxuba/rxreg.h>

char devname[] = "/dev/rrx?a";

/*
* Format RX02 floppy disks.
*/

main(argc, argv)
       int argc;
       char *argv[];
{
       int fd, idens = 0, filarg = 1;
       int i, c;

       if (argc < 2 || argc > 3)
               usage();
       if (argc == 3) { 
               if (strncmp(argv[1],"-d",2) != 0)
                       usage();
               idens++;
               filarg++;
       }
       devname[8] = argv[filarg][7];
       if ((fd = open(devname, O_RDWR)) < 0) {
               perror(devname);
               exit(1);
       }
       if (isatty(fileno(stdin))) {
               printf("Format %s to %s density (y/n)? ",
                       argv[filarg], idens ? "double" : "single");
               i = c = getchar();
               while (c != '\n' && c != EOF)
                       c = getchar();
               if (i != 'y')
                       exit(0);
       } else
               printf("Formatting %s to %s density\n",
                       argv[filarg], idens ? "double" : "single");
       /* 
        * Change the ioctl command when dkio.h has
        * been finished.
        */
       if (ioctl(fd, RXIOC_FORMAT, &idens) == 0)
               exit(0);
       else {
               perror(devname);
               exit(1);
       }
}

usage()
{
       fprintf(stderr, "usage: rxformat [-d] /dev/rx?\n");
       exit(1);
}