/*

 * disalloc.c - aeb - 940501 - Disallocate virtual terminal(s)

 * Renamed deallocvt.

 */

#include "config.h"

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <fcntl.h>

#include <ctype.h>

#include <sys/types.h>

#include <sys/ioctl.h>

#include <linux/vt.h>

#include "getfd.h"

#include "nls.h"

#include "version.h"

#include "kbd_error.h"

int main(int argc, char *argv[])

{

	int fd, num, i;

	if (argc < 1) /* unlikely */

		return EXIT_FAILURE;

	set_progname(argv[0]);

	setlocale(LC_ALL, "");

	bindtextdomain(PACKAGE_NAME, LOCALEDIR);

	textdomain(PACKAGE_NAME);

	if (argc == 2 && !strcmp(argv[1], "-V"))

		print_version_and_exit();

	for (i = 1; i < argc; i++) {

		if (!isdigit(argv[i][0])) {

			fprintf(stderr, _("%s: unknown option\n"), progname);

			return EXIT_FAILURE;

		}

	}

	if ((fd = getfd(NULL)) < 0)

		kbd_error(EXIT_FAILURE, 0, _("Couldn't get a file descriptor referring to the console"));

	if (argc == 1) {

		/* deallocate all unused consoles */

		if (ioctl(fd, VT_DISALLOCATE, 0)) {

			kbd_error(EXIT_FAILURE, errno, "ioctl VT_DISALLOCATE");

		}

	} else

		for (i = 1; i < argc; i++) {

			num = atoi(argv[i]);

			if (num == 0) {

				kbd_error(EXIT_FAILURE, 0, _("0: illegal VT number\n"));

			} else if (num == 1) {

				kbd_error(EXIT_FAILURE, 0, _("VT 1 is the console and cannot be deallocated\n"));

			} else if (ioctl(fd, VT_DISALLOCATE, num)) {

				kbd_error(EXIT_FAILURE, errno, _("could not deallocate console %d: "

				                                 "ioctl VT_DISALLOCATE"),

				          num);

			}

		}

	exit(EXIT_SUCCESS);

}