3 files changed, 7 insertions, 16 deletions
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index 07f0834..c12a10b 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -56,7 +56,7 @@ static const char ret_code_descript[] =
 ;
 
 int adjtimex_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int adjtimex_main(int argc, char **argv)
+int adjtimex_main(int argc UNUSED_PARAM, char **argv)
 {
 	enum {
 		OPT_quiet = 0x1
@@ -66,10 +66,11 @@ int adjtimex_main(int argc, char **argv)
 	struct timex txc;
 	int i, ret;
 	const char *descript;
-	txc.modes=0;
 
+	opt_complementary = "=0"; /* no valid non-option parameters */
 	opt = getopt32(argv, "qo:f:p:t:",
 			&opt_o, &opt_f, &opt_p, &opt_t);
+	txc.modes = 0;
 	//if (opt & 0x1) // -q
 	if (opt & 0x2) { // -o
 		txc.offset = xatol(opt_o);
@@ -87,9 +88,6 @@ int adjtimex_main(int argc, char **argv)
 		txc.tick = xatol(opt_t);
 		txc.modes |= ADJ_TICK;
 	}
-	if (argc != optind) { /* no valid non-option parameters */
-		bb_show_usage();
-	}
 
 	ret = adjtimex(&txc);
 
diff --git a/miscutils/raidautorun.c b/miscutils/raidautorun.c
index a2a852b..113e49f 100644
--- a/miscutils/raidautorun.c
+++ b/miscutils/raidautorun.c
@@ -14,12 +14,8 @@
 #include <linux/raid/md_u.h>
 
 int raidautorun_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int raidautorun_main(int argc, char **argv)
+int raidautorun_main(int argc UNUSED_PARAM, char **argv)
 {
-	if (argc != 2)
-		bb_show_usage();
-
-	xioctl(xopen(argv[1], O_RDONLY), RAID_AUTORUN, NULL);
-
+	xioctl(xopen(single_argv(argv), O_RDONLY), RAID_AUTORUN, NULL);
 	return EXIT_SUCCESS;
 }
diff --git a/miscutils/rx.c b/miscutils/rx.c
index 3a8b6a8..4c5d5a1 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -234,21 +234,18 @@ static void sigalrm_handler(int UNUSED_PARAM signum)
 }
 
 int rx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int rx_main(int argc, char **argv)
+int rx_main(int argc UNUSED_PARAM, char **argv)
 {
 	struct termios tty, orig_tty;
 	int termios_err;
 	int file_fd;
 	int n;
 
-	if (argc != 2)
-		bb_show_usage();
-
 	/* Disabled by vda:
 	 * why we can't receive from stdin? Why we *require*
 	 * controlling tty?? */
 	/*read_fd = xopen(CURRENT_TTY, O_RDWR);*/
-	file_fd = xopen(argv[1], O_RDWR|O_CREAT|O_TRUNC);
+	file_fd = xopen(single_argv(argv), O_RDWR|O_CREAT|O_TRUNC);
 
 	termios_err = tcgetattr(read_fd, &tty);
 	if (termios_err == 0) {