rxformat.c

来自「早期freebsd实现」· C语言 代码 · 共 104 行

/*
 * Copyright (c) 1983 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 The Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)rxformat.c	5.6 (Berkeley) 4/11/91";
#endif /* not lint */

#include <sys/file.h>
#include <vax/uba/rxreg.h>
#include <stdio.h>
#include <errno.h>
#include "pathnames.h"

char devname[] = _PATH_DEVNAME;

/*
 * 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);
}