X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=console-tools%2Fchvt.c;h=b9c974f4a49e9f29b1d7ad3fbc355b24f4b72858;hb=45dc96c8a6dce3aeea983f6c32572d4cee646b5d;hp=b1a429eb38ce21f1a233fb4d451fca5b9a67629a;hpb=9f0e00fc61858a0e3cc6711b78e95c57b484ef7c;p=oweals%2Fbusybox.git

diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index b1a429eb3..b9c974f4a 100644
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -4,56 +4,20 @@
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
-/* no options, no getopt */
+//usage:#define chvt_trivial_usage
+//usage:       "N"
+//usage:#define chvt_full_usage "\n\n"
+//usage:       "Change the foreground virtual terminal to /dev/ttyN"
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include "busybox.h"
+#include "libbb.h"
 
-/* From <linux/vt.h> */
-static const int VT_ACTIVATE = 0x5606;  /* make vt active */
-static const int VT_WAITACTIVE = 0x5607;  /* wait for vt active */
-
-int chvt_main(int argc, char **argv)
+int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chvt_main(int argc UNUSED_PARAM, char **argv)
 {
-	int fd, num;
-
-	if (argc != 2) {
-		bb_show_usage();
-	}
-
-	fd = get_console_fd();
-	num =  bb_xgetlarg(argv[1], 10, 0, INT_MAX);
-	if((-1 == ioctl(fd, VT_ACTIVATE, num)) ||
-	   (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
-		bb_perror_msg_and_die("ioctl");
-	}
+	int num = xatou_range(single_argv(argv), 1, 63);
+	console_make_active(get_console_fd_or_die(), num);
 	return EXIT_SUCCESS;
 }
-
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/