diff --git a/candump.c b/candump.c
index 7f2ed1f..334e202 100644
--- a/candump.c
+++ b/candump.c
@@ -75,16 +75,16 @@
 
 #define TIMESTAMPSZ 50 /* string 'absolute with date' requires max 49 bytes */
 
-#define MAXSOCK 16    /* max. number of CAN interfaces given on the cmdline */
+#define MAXSOCK 16 /* max. number of CAN interfaces given on the cmdline */
 #define MAXIFNAMES 30 /* size of receive name index to omit ioctls */
-#define MAXCOL 6      /* number of different colors for colorized output */
-#define ANYDEV "any"  /* name of interface to receive from any CAN interface */
-#define ANL "\r\n"    /* newline in ASC mode */
+#define MAXCOL 6 /* number of different colors for colorized output */
+#define ANYDEV "any" /* name of interface to receive from any CAN interface */
+#define ANL "\r\n" /* newline in ASC mode */
 
 #define SILENT_INI 42 /* detect user setting on commandline */
-#define SILENT_OFF 0  /* no silent mode */
-#define SILENT_ANI 1  /* silent mode with animation */
-#define SILENT_ON 2   /* silent mode (completely silent) */
+#define SILENT_OFF 0 /* no silent mode */
+#define SILENT_ANI 1 /* silent mode with animation */
+#define SILENT_ON 2 /* silent mode (completely silent) */
 
 #define BOLD ATTBOLD
 #define RED (ATTBOLD FGRED)
@@ -106,7 +106,7 @@ struct if_info { /* bundled information per open socket */
 static struct if_info sock_info[MAXSOCK];
 
 static char *progname;
-static char devname[MAXIFNAMES][IFNAMSIZ+1];
+static char devname[MAXIFNAMES][IFNAMSIZ + 1];
 static int dindex[MAXIFNAMES];
 static int max_devname_len; /* to prevent frazzled device name output */
 static const int canfd_on = 1;
@@ -175,7 +175,6 @@ static void sigterm(int signo)
 
 static int idx2dindex(int ifidx, int socket)
 {
-
 	int i;
 	struct ifreq ifr;
 
@@ -245,9 +244,9 @@ static inline void sprint_timestamp(const char timestamp, const struct timeval *
 	{
 		struct timeval diff;
 
-		if (last_tv->tv_sec == 0)   /* first init */
+		if (last_tv->tv_sec == 0) /* first init */
 			*last_tv = *tv;
-		diff.tv_sec  = tv->tv_sec - last_tv->tv_sec;
+		diff.tv_sec = tv->tv_sec - last_tv->tv_sec;
 		diff.tv_usec = tv->tv_usec - last_tv->tv_usec;
 		if (diff.tv_usec < 0)
 			diff.tv_sec--, diff.tv_usec += 1000000;
@@ -474,8 +473,8 @@ int main(int argc, char **argv)
 	}
 
 	for (i = 0; i < currmax; i++) {
-		struct if_info* obj = &sock_info[i];
-		ptr = argv[optind+i];
+		struct if_info *obj = &sock_info[i];
+		ptr = argv[optind + i];
 		nptr = strchr(ptr, ',');
 
 		pr_debug("open %d '%s'.\n", i, ptr);
@@ -495,7 +494,7 @@ int main(int argc, char **argv)
 		obj->cmdlinename = ptr; /* save pointer to cmdline name of this socket */
 
 		if (nptr)
-			nbytes = nptr - ptr;  /* interface name is up the first ',' */
+			nbytes = nptr - ptr; /* interface name is up the first ',' */
 		else
 			nbytes = strlen(ptr); /* no ',' found => no filter definitions */
 
@@ -714,8 +713,8 @@ int main(int argc, char **argv)
 			continue;
 		}
 
-		for (i = 0; i < num_events; i++) {  /* check waiting CAN RAW sockets */
-			struct if_info* obj = events_pending[i].data.ptr;
+		for (i = 0; i < num_events; i++) { /* check waiting CAN RAW sockets */
+			struct if_info *obj = events_pending[i].data.ptr;
 			int idx;
 			char *extra_info = "";
 
@@ -838,9 +837,9 @@ int main(int argc, char **argv)
 
 			if (extra_msg_info) {
 				if (msg.msg_flags & MSG_DONTROUTE)
-					printf ("  TX %s", extra_m_info[frame.flags & 3]);
+					printf("  TX %s", extra_m_info[frame.flags & 3]);
 				else
-					printf ("  RX %s", extra_m_info[frame.flags & 3]);
+					printf("  RX %s", extra_m_info[frame.flags & 3]);
 			}
 
 			printf("%s  ", (color == 1) ? col_off : "");
@@ -850,7 +849,7 @@ int main(int argc, char **argv)
 			printf("%s", (color > 1) ? col_off : "");
 			printf("\n");
 
- out_fflush:
+out_fflush:
 			fflush(stdout);
 		}
 	}
diff --git a/canfdtest.c b/canfdtest.c
index d47727f..12bad17 100644
--- a/canfdtest.c
+++ b/canfdtest.c
@@ -40,11 +40,11 @@
 #include <linux/can.h>
 #include <linux/can/raw.h>
 
-#define CAN_MSG_ID_PING	0x77
-#define CAN_MSG_ID_PONG	0x78
-#define CAN_MSG_LEN	8
-#define CAN_MSG_COUNT	50
-#define CAN_MSG_WAIT	27
+#define CAN_MSG_ID_PING 0x77
+#define CAN_MSG_ID_PONG 0x78
+#define CAN_MSG_LEN 8
+#define CAN_MSG_COUNT 50
+#define CAN_MSG_WAIT 27
 
 static int running = 1;
 static int verbose;
@@ -82,7 +82,7 @@ static void print_usage(char *prg)
 		"\n"
 		"With the option '-g' CAN messages are generated and checked\n"
 		"on <can-interface>, otherwise all messages received on the\n"
-                "<can-interface> are sent back incrementing the CAN id and\n"
+		"<can-interface> are sent back incrementing the CAN id and\n"
 		"all data bytes. The program can be aborted with ^C.\n"
 		"\n"
 		"Examples:\n"
@@ -110,14 +110,9 @@ static void print_frame(canid_t id, const uint8_t *data, int dlc, int inc_data)
 	printf("\n");
 }
 
-static void print_compare(
-	canid_t exp_id,
-	const uint8_t *exp_data,
-	uint8_t exp_dlc,
-	canid_t rec_id,
-	const uint8_t *rec_data,
-	uint8_t rec_dlc,
-	int inc)
+static void print_compare(canid_t exp_id, const uint8_t *exp_data, uint8_t exp_dlc,
+			  canid_t rec_id, const uint8_t *rec_data, uint8_t rec_dlc,
+			  int inc)
 {
 	printf("expected: ");
 	print_frame(exp_id, exp_data, exp_dlc, inc);
@@ -255,7 +250,7 @@ static int check_frame(const struct canfd_frame *frame)
 	}
 
 	for (i = 1; i < frame->len; i++) {
-		if (frame->data[i] != (uint8_t)(frame->data[i-1] + 1)) {
+		if (frame->data[i] != (uint8_t)(frame->data[i - 1] + 1)) {
 			printf("Frame inconsistent!\n");
 			print_frame(frame->can_id, frame->data, frame->len, 0);
 			err = -1;
@@ -263,7 +258,7 @@ static int check_frame(const struct canfd_frame *frame)
 		}
 	}
 
- out:
+out:
 	return err;
 }
 
@@ -324,11 +319,11 @@ static int can_echo_gen(void)
 	int err = 0;
 	int i;
 
-	tx_frames = calloc(inflight_count, sizeof(* tx_frames));
+	tx_frames = calloc(inflight_count, sizeof(*tx_frames));
 	if (!tx_frames)
 		return -1;
 
-	recv_tx = calloc(inflight_count, sizeof(* recv_tx));
+	recv_tx = calloc(inflight_count, sizeof(*recv_tx));
 	if (!recv_tx) {
 		err = -1;
 		goto out_free_tx_frames;
@@ -400,9 +395,9 @@ static int can_echo_gen(void)
 
 	printf("\nTest messages sent and received: %d\n", loops);
 
- out_free:
+out_free:
 	free(recv_tx);
- out_free_tx_frames:
+out_free_tx_frames:
 	free(tx_frames);
 
 	return err;
@@ -523,7 +518,7 @@ int main(int argc, char *argv[])
 
 	if (echo_gen) {
 		if (setsockopt(sockfd, SOL_CAN_RAW, CAN_RAW_RECV_OWN_MSGS,
-			   &enable_socket_option, sizeof(enable_socket_option)) == -1) {
+			       &enable_socket_option, sizeof(enable_socket_option)) == -1) {
 			perror("setsockopt CAN_RAW_RECV_OWN_MSGS");
 			return 1;
 		}
@@ -531,7 +526,7 @@ int main(int argc, char *argv[])
 
 	if (is_can_fd) {
 		if (setsockopt(sockfd, SOL_CAN_RAW, CAN_RAW_FD_FRAMES,
-			   &enable_socket_option, sizeof(enable_socket_option)) == -1) {
+			       &enable_socket_option, sizeof(enable_socket_option)) == -1) {
 			perror("setsockopt CAN_RAW_FD_FRAMES");
 			return 1;
 		}
@@ -567,7 +562,7 @@ int main(int argc, char *argv[])
 		};
 
 		if (setsockopt(sockfd, SOL_CAN_RAW, CAN_RAW_FILTER, filters,
-					   sizeof(struct can_filter) * (1 + echo_gen))) {
+			       sizeof(struct can_filter) * (1 + echo_gen))) {
 			perror("setsockopt()");
 			close(sockfd);
 			return 1;
diff --git a/cangen.c b/cangen.c
index 5f4a4fc..0614f42 100644
--- a/cangen.c
+++ b/cangen.c
@@ -146,7 +146,7 @@ static struct timespec timespec_add(struct timespec ts1, struct timespec ts2)
 struct timespec double_to_timespec(double s)
 {
 	struct timespec ts = {
-		.tv_sec  = s,
+		.tv_sec = s,
 		.tv_nsec = (s - (long)(s)) * NSEC_PER_SEC,
 	};
 
@@ -156,7 +156,7 @@ struct timespec double_to_timespec(double s)
 static struct timespec ns_to_timespec(int64_t ns)
 {
 	struct timespec ts = {
-		.tv_sec  = ns / NSEC_PER_SEC,
+		.tv_sec = ns / NSEC_PER_SEC,
 		.tv_nsec = ns % NSEC_PER_SEC,
 	};
 
@@ -324,7 +324,7 @@ static int do_send_one(int fd, void *buf, size_t len, int timeout)
 		memcpy(CMSG_DATA(cm), &tdeliver, sizeof(tdeliver));
 	}
 
- resend:
+resend:
 	nbytes = sendmsg(fd, &msg, 0);
 	if (nbytes < 0) {
 		ret = -errno;
@@ -460,7 +460,7 @@ int main(int argc, char **argv)
 	int incdlc = 0;
 	unsigned long rnd;
 	unsigned char fixdata[CANFD_MAX_DLEN];
-	unsigned char rand_position[CANFD_MAX_DLEN] = {0};
+	unsigned char rand_position[CANFD_MAX_DLEN] = { 0 };
 
 	int opt;
 	int s; /* socket */
@@ -490,7 +490,6 @@ int main(int argc, char **argv)
 
 	while ((opt = getopt_long(argc, argv, "g:atefbER8mI:L:D:p:n:ixc:vh?", long_options, NULL)) != -1) {
 		switch (opt) {
-
 		case 'g':
 			gap = strtod(optarg, NULL);
 			break;
@@ -793,7 +792,7 @@ int main(int argc, char **argv)
 
 		if (data_mode == MODE_RANDOM_FIX) {
 			int i;
-			
+
 			memcpy(frame.data, fixdata, CANFD_MAX_DLEN);
 
 			for (i = 0; i < frame.len; i++) {
diff --git a/cansend.c b/cansend.c
index 7499848..72d7016 100644
--- a/cansend.c
+++ b/cansend.c
@@ -81,11 +81,9 @@ void print_usage(char *prg)
 		 "  1F334455#1122334455667788_B / 123#R / 00000123#R3 / 333#R8_E\n\n");
 }
 
-
-
 int main(int argc, char **argv)
 {
-	int s; /* can raw socket */ 
+	int s; /* can raw socket */
 	int required_mtu;
 	int mtu;
 	int enable_canfd = 1;
@@ -101,7 +99,7 @@ int main(int argc, char **argv)
 
 	/* parse CAN frame */
 	required_mtu = parse_canframe(argv[2], &frame);
-	if (!required_mtu){
+	if (!required_mtu) {
 		fprintf(stderr, "\nWrong CAN-frame format!\n\n");
 		print_usage(argv[0]);
 		return 1;
@@ -126,7 +124,6 @@ int main(int argc, char **argv)
 	addr.can_ifindex = ifr.ifr_ifindex;
 
 	if (required_mtu > (int)CAN_MTU) {
-
 		/* check if the frame fits into the CAN netdevice */
 		if (ioctl(s, SIOCGIFMTU, &ifr) < 0) {
 			perror("SIOCGIFMTU");