who: stop using static buffer, small size optimizations

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

diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 32153bd2ce93e71564b4147addf2cfa8537791b0..7b5addca7816931af96f3ec61c5eddc2397c1914 100644 (file)
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -1,5 +1,6 @@
+/* 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>
  *
@@ -8,13 +9,10 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
 #include "busybox.h"
 
-extern int setlogcons_main(int argc, char **argv)
+int setlogcons_main(int argc, char **argv);
+int setlogcons_main(int argc, char **argv)
 {
        struct {
                char fn;
@@ -25,10 +23,10 @@ extern int setlogcons_main(int argc, char **argv)
        arg.subarg = 0; /* to specified console (current as default) */
 
        if (argc == 2)
-               arg.subarg = atoi(argv[1]);
+               arg.subarg = xatoul_range(argv[1], 0, 63);
 
-       if (ioctl(bb_xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
-               bb_perror_msg_and_die("TIOCLINUX");;
+       if (ioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
+               bb_perror_msg_and_die("TIOCLINUX");
 
        return 0;
 }