*
* Based on setlogcons (kbd-1.12) by Andries E. Brouwer
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config SETLOGCONS
+//config: bool "setlogcons"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: This program redirects the output console of kernel messages.
-#include "busybox.h"
+//applet:IF_SETLOGCONS(APPLET(setlogcons, BB_DIR_USR_SBIN, BB_SUID_DROP))
-int setlogcons_main(int argc, char **argv);
-int setlogcons_main(int argc, char **argv)
+//kbuild:lib-$(CONFIG_SETLOGCONS) += setlogcons.o
+
+//usage:#define setlogcons_trivial_usage
+//usage: "[N]"
+//usage:#define setlogcons_full_usage "\n\n"
+//usage: "Redirect the kernel output to console N. Default:0 (current console)"
+
+#include "libbb.h"
+
+int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int setlogcons_main(int argc UNUSED_PARAM, char **argv)
{
struct {
char fn;
char subarg;
- } arg;
-
- arg.fn = 11; /* redirect kernel messages */
- arg.subarg = 0; /* to specified console (current as default) */
+ } arg = {
+ 11, /* redirect kernel messages */
+ 0 /* to specified console (current as default) */
+ };
- if (argc == 2)
- arg.subarg = xatoul_range(argv[1], 0, 63);
+ if (argv[1])
+ arg.subarg = xatou_range(argv[1], 0, 63);
- if (ioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
- bb_perror_msg_and_die("TIOCLINUX");
+ xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);
- return 0;
+ return EXIT_SUCCESS;
}