lineedit: do not hang on error, but return error indicator.

[oweals/busybox.git] / console-tools / setlogcons.c

diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 6667eb622574adad9967a9e5c63af09fe650d5c6..52d2608aa7cef36b59760c196f376b121952be33 100644 (file)
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -1,31 +1,30 @@
 /* vi: set sw=4 ts=4: */
 /*
- * setlogcons: Send kernel messages to the current console or to console N 
+ * setlogcons: Send kernel messages to the current console or to console N
  *
  * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
  *
  * 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.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
-extern int setlogcons_main(int argc, char **argv)
+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 = { 11, /* redirect kernel messages */
+                         0   /* to specified console (current as default) */
+                       };
 
-       arg.fn = 11;    /* redirect kernel messages */
-       arg.subarg = 0; /* to specified console (current as default) */
+       if (argv[1])
+               arg.subarg = xatou_range(argv[1], 0, 63);
 
-       if (argc == 2)
-               arg.subarg = atoi(argv[1]);
+       xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);
 
-       if (ioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
-               bb_perror_msg_and_die("TIOCLINUX");;
-
-       return 0;
+       return EXIT_SUCCESS;
 }