5 files changed, 13 insertions, 40 deletions
diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index aff66e0..bbc5a9c 100644
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -7,11 +7,6 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
 #include "busybox.h"
 
 /* From <linux/vt.h> */
@@ -29,7 +24,7 @@ int chvt_main(int argc, char **argv)
 	}
 
 	fd = get_console_fd();
-	num =  bb_xgetlarg(argv[1], 10, 0, INT_MAX);
+	num = xatoul_range(argv[1], 1, 63);
 	if ((-1 == ioctl(fd, VT_ACTIVATE, num))
 	|| (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
 		bb_perror_msg_and_die("ioctl");
diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c
index b2e8e2b..cd581b1 100644
--- a/console-tools/deallocvt.c
+++ b/console-tools/deallocvt.c
@@ -10,11 +10,6 @@
 
 /* no options, no getopt */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
 #include "busybox.h"
 
 /* From <linux/vt.h> */
@@ -26,15 +21,13 @@ int deallocvt_main(int argc, char *argv[])
 	int num = 0;
 
 	switch (argc) {
-		case 2:
-			if ((num = bb_xgetlarg(argv[1], 10, 0, INT_MAX)) == 0) {
-				bb_error_msg_and_die("0: illegal VT number");
-			}
+	case 2:
+		num = xatoul_range(argv[1], 1, 63);
 		/* Fallthrough */
-		case 1:
-			break;
-		default:
-			bb_show_usage();
+	case 1:
+		break;
+	default:
+		bb_show_usage();
 	}
 
 	if (-1 == ioctl(get_console_fd(), VT_DISALLOCATE, num)) {
diff --git a/console-tools/openvt.c b/console-tools/openvt.c
index 0c0cef2..f1cf564 100644
--- a/console-tools/openvt.c
+++ b/console-tools/openvt.c
@@ -10,14 +10,6 @@
 
 /* getopt not needed */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/types.h>
-#include <ctype.h>
-
 #include "busybox.h"
 
 int openvt_main(int argc, char **argv)
@@ -29,8 +21,8 @@ int openvt_main(int argc, char **argv)
 	if (argc < 3) {
 		bb_show_usage();
 	}
-	/* check for Illegal vt number: < 1 or > 12 */
-	sprintf(vtname, VC_FORMAT, (int)bb_xgetlarg(argv[1], 10, 1, 12));
+	/* check for illegal vt number: < 1 or > 63 */
+	sprintf(vtname, VC_FORMAT, (int)xatoul_range(argv[1], 1, 63));
 
 	if (fork() == 0) {
 		/* leave current vt */
diff --git a/console-tools/setkeycodes.c b/console-tools/setkeycodes.c
index 607b8c7..d825257 100644
--- a/console-tools/setkeycodes.c
+++ b/console-tools/setkeycodes.c
@@ -27,7 +27,6 @@ enum {
 extern int
 setkeycodes_main(int argc, char** argv)
 {
-	char *ep;
 	int fd, sc;
 	struct kbkeycode a;
 
@@ -38,19 +37,13 @@ setkeycodes_main(int argc, char** argv)
 	fd = get_console_fd();
 
 	while (argc > 2) {
-		a.keycode = atoi(argv[2]);
-		a.scancode = sc = strtol(argv[1], &ep, 16);
-		if (*ep) {
-			bb_error_msg_and_die("error reading SCANCODE: '%s'", argv[1]);
-		}
+		a.keycode = xatoul_range(argv[2], 0, 127);
+		a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
 		if (a.scancode > 127) {
 			a.scancode -= 0xe000;
 			a.scancode += 128;
 		}
-		if (a.scancode > 255 || a.keycode > 127) {
-			bb_error_msg_and_die("SCANCODE or KEYCODE outside bounds");
-		}
-		if (ioctl(fd,KDSETKEYCODE,&a)) {
+		if (ioctl(fd, KDSETKEYCODE, &a)) {
 			bb_perror_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
 		}
 		argc -= 2;
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 90f24ce..ae15b9b 100644
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -22,7 +22,7 @@ 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(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
 		bb_perror_msg_and_die("TIOCLINUX");