--- trunk/mkinitrd-magellan/busybox/console-tools/deallocvt.c	2009/04/24 18:32:46	815
+++ trunk/mkinitrd-magellan/busybox/console-tools/deallocvt.c	2009/04/24 18:33:46	816
@@ -10,28 +10,24 @@
 
 /* no options, no getopt */
 
-#include "busybox.h"
+#include "libbb.h"
 
 /* From <linux/vt.h> */
 enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
 
-int deallocvt_main(int argc, char *argv[])
+int deallocvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int deallocvt_main(int argc UNUSED_PARAM, char **argv)
 {
 	/* num = 0 deallocate all unused consoles */
 	int num = 0;
 
-	switch (argc) {
-	case 2:
-		num = xatoul_range(argv[1], 1, 63);
-		/* Fallthrough */
-	case 1:
-		break;
-	default:
-		bb_show_usage();
+	if (argv[1]) {
+		if (argv[2])
+			bb_show_usage();
+		num = xatou_range(argv[1], 1, 63);
 	}
 
-	if (-1 == ioctl(get_console_fd(), VT_DISALLOCATE, num)) {
-		bb_perror_msg_and_die("VT_DISALLOCATE");
-	}
+	/* double cast suppresses "cast to ptr from int of different size" */
+	xioctl(get_console_fd_or_die(), VT_DISALLOCATE, (void *)(ptrdiff_t)num);
 	return EXIT_SUCCESS;
 }