fix incorrect argc < 1 check for no arguments

-requiring arguments should be argc < 2

16 files changed, 23 insertions, 16 deletions

diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp
index c60d70b9f..9bb9393c5 100755
--- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp
+++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp
@@ -118,8 +118,9 @@ usage(const char *reason)
  */
 int attitude_estimator_ekf_main(int argc, char *argv[])
 {
-	if (argc < 1)
+	if (argc < 2) {
 		usage("missing command");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp b/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp
index 9414225ca..82bcbc66f 100755
--- a/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp
+++ b/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp
@@ -136,8 +136,9 @@ usage(const char *reason)
  */
 int attitude_estimator_so3_main(int argc, char *argv[])
 {
-	if (argc < 1)
+	if (argc < 2) {
 		usage("missing command");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp
index 453d5f921..2722766b0 100644
--- a/src/modules/commander/commander.cpp
+++ b/src/modules/commander/commander.cpp
@@ -261,7 +261,7 @@ void answer_command(struct vehicle_command_s &cmd, enum VEHICLE_CMD_RESULT resul
 
 int commander_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		usage("missing command");
 	}
 
diff --git a/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
index c16e72ea0..33289dacb 100644
--- a/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
+++ b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
@@ -1516,7 +1516,7 @@ int AttitudePositionEstimatorEKF::trip_nan()
 
 int ekf_att_pos_estimator_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: ekf_att_pos_estimator {start|stop|status|logging}");
 	}
 
diff --git a/src/modules/fixedwing_backside/fixedwing_backside_main.cpp b/src/modules/fixedwing_backside/fixedwing_backside_main.cpp
index 71b387b1e..bd1486324 100644
--- a/src/modules/fixedwing_backside/fixedwing_backside_main.cpp
+++ b/src/modules/fixedwing_backside/fixedwing_backside_main.cpp
@@ -97,8 +97,9 @@ usage(const char *reason)
 int fixedwing_backside_main(int argc, char *argv[])
 {
 
-	if (argc < 1)
+	if (argc < 2) {
 		usage("missing command");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/fw_att_control/fw_att_control_main.cpp b/src/modules/fw_att_control/fw_att_control_main.cpp
index 8b41144f6..0a8d07fed 100644
--- a/src/modules/fw_att_control/fw_att_control_main.cpp
+++ b/src/modules/fw_att_control/fw_att_control_main.cpp
@@ -1134,8 +1134,9 @@ FixedwingAttitudeControl::start()
 
 int fw_att_control_main(int argc, char *argv[])
 {
-	if (argc < 1)
+	if (argc < 2) {
 		errx(1, "usage: fw_att_control {start|stop|status}");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
index 427df9739..34265d6a4 100644
--- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
+++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
@@ -1638,8 +1638,9 @@ FixedwingPositionControl::start()
 
 int fw_pos_control_l1_main(int argc, char *argv[])
 {
-	if (argc < 1)
+	if (argc < 2) {
 		errx(1, "usage: fw_pos_control_l1 {start|stop|status}");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/land_detector/land_detector_main.cpp b/src/modules/land_detector/land_detector_main.cpp
index 011567e57..b4b7c33a2 100644
--- a/src/modules/land_detector/land_detector_main.cpp
+++ b/src/modules/land_detector/land_detector_main.cpp
@@ -178,7 +178,7 @@ static int land_detector_start(const char *mode)
 int land_detector_main(int argc, char *argv[])
 {
 
-	if (argc < 1) {
+	if (argc < 2) {
 		goto exiterr;
 	}
 
diff --git a/src/modules/mc_att_control/mc_att_control_main.cpp b/src/modules/mc_att_control/mc_att_control_main.cpp
index b8c143782..3a0dfe4c3 100644
--- a/src/modules/mc_att_control/mc_att_control_main.cpp
+++ b/src/modules/mc_att_control/mc_att_control_main.cpp
@@ -922,8 +922,9 @@ MulticopterAttitudeControl::start()
 
 int mc_att_control_main(int argc, char *argv[])
 {
-	if (argc < 1)
+	if (argc < 2) {
 		errx(1, "usage: mc_att_control {start|stop|status}");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/mc_att_control_multiplatform/mc_att_control_start_nuttx.cpp b/src/modules/mc_att_control_multiplatform/mc_att_control_start_nuttx.cpp
index 40eb498b4..dec1e1745 100644
--- a/src/modules/mc_att_control_multiplatform/mc_att_control_start_nuttx.cpp
+++ b/src/modules/mc_att_control_multiplatform/mc_att_control_start_nuttx.cpp
@@ -54,7 +54,7 @@ extern int main(int argc, char **argv);
 extern "C" __EXPORT int mc_att_control_m_main(int argc, char *argv[]);
 int mc_att_control_m_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: mc_att_control_m {start|stop|status}");
 	}
 
diff --git a/src/modules/mc_pos_control/mc_pos_control_main.cpp b/src/modules/mc_pos_control/mc_pos_control_main.cpp
index 4910454bd..5191a4de3 100644
--- a/src/modules/mc_pos_control/mc_pos_control_main.cpp
+++ b/src/modules/mc_pos_control/mc_pos_control_main.cpp
@@ -1440,7 +1440,7 @@ MulticopterPositionControl::start()
 
 int mc_pos_control_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: mc_pos_control {start|stop|status}");
 	}
 
diff --git a/src/modules/mc_pos_control_multiplatform/mc_pos_control_start_nuttx.cpp b/src/modules/mc_pos_control_multiplatform/mc_pos_control_start_nuttx.cpp
index 1082061f6..0db67d83f 100644
--- a/src/modules/mc_pos_control_multiplatform/mc_pos_control_start_nuttx.cpp
+++ b/src/modules/mc_pos_control_multiplatform/mc_pos_control_start_nuttx.cpp
@@ -54,7 +54,7 @@ extern int main(int argc, char **argv);
 extern "C" __EXPORT int mc_pos_control_m_main(int argc, char *argv[]);
 int mc_pos_control_m_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: mc_pos_control_m {start|stop|status}");
 	}
 
diff --git a/src/modules/position_estimator_inav/position_estimator_inav_main.c b/src/modules/position_estimator_inav/position_estimator_inav_main.c
index ec297e7f0..437395b1f 100644
--- a/src/modules/position_estimator_inav/position_estimator_inav_main.c
+++ b/src/modules/position_estimator_inav/position_estimator_inav_main.c
@@ -134,7 +134,7 @@ static void usage(const char *reason)
  */
 int position_estimator_inav_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		usage("missing command");
 	}
 
diff --git a/src/modules/segway/segway_main.cpp b/src/modules/segway/segway_main.cpp
index ee492f85a..b36d56d6d 100644
--- a/src/modules/segway/segway_main.cpp
+++ b/src/modules/segway/segway_main.cpp
@@ -92,8 +92,9 @@ usage(const char *reason)
 int segway_main(int argc, char *argv[])
 {
 
-	if (argc < 1)
+	if (argc < 2) {
 		usage("missing command");
+	}
 
 	if (!strcmp(argv[1], "start")) {
 
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index 259361be6..d4692ea7d 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -2252,7 +2252,7 @@ Sensors::start()
 
 int sensors_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: sensors {start|stop|status}");
 	}
 
diff --git a/src/modules/vtol_att_control/vtol_att_control_main.cpp b/src/modules/vtol_att_control/vtol_att_control_main.cpp
index 74e1efd6c..defcff8e4 100644
--- a/src/modules/vtol_att_control/vtol_att_control_main.cpp
+++ b/src/modules/vtol_att_control/vtol_att_control_main.cpp
@@ -877,7 +877,7 @@ VtolAttitudeControl::start()
 
 int vtol_att_control_main(int argc, char *argv[])
 {
-	if (argc < 1) {
+	if (argc < 2) {
 		errx(1, "usage: vtol_att_control {start|stop|status}");
 	}