versaloon cleanup patch

Remove undesirable
 - backslashes at end-of-line;
 - initializations of BSS data to zero/NULL;
 - overlong lines (80+ characters)
 - whitespace issues
 - brackets around single-line statements

And other minor issues reported by the Linux "checkpatch" utility

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

1 files changed, 271 insertions, 321 deletions

diff --git a/src/jtag/drivers/vsllink.c b/src/jtag/drivers/vsllink.c
index 451d5f8f..a9856772 100644
--- a/src/jtag/drivers/vsllink.c
+++ b/src/jtag/drivers/vsllink.c
@@ -39,11 +39,11 @@ static uint8_t  vsllink_usb_bulkin;
 static uint8_t  vsllink_usb_interface;
 static int      VSLLINK_USB_TIMEOUT = 1000;
 
-static int vsllink_tms_offset = 0;
+static int vsllink_tms_offset;
 
 /* Global USB buffers */
-static uint8_t* vsllink_usb_in_buffer  = NULL;
-static uint8_t* vsllink_usb_out_buffer = NULL;
+static uint8_t *vsllink_usb_in_buffer;
+static uint8_t *vsllink_usb_out_buffer;
 static int      vsllink_buffer_size    = 128;
 
 /* Constants for Versaloon command */
@@ -90,8 +90,8 @@ struct pending_scan_result {
 #define MAX_PENDING_SCAN_RESULTS 256
 
 static int pending_scan_results_length;
-static struct pending_scan_result \
-						pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
+static struct pending_scan_result
+		pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
 
 /* Queue command functions */
 static void vsllink_end_state(tap_state_t state);
@@ -99,8 +99,8 @@ static void vsllink_state_move(void);
 static void vsllink_path_move(int num_states, tap_state_t *path);
 static void vsllink_runtest(int num_cycles);
 static void vsllink_stableclocks(int num_cycles, int tms);
-static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, \
-							int scan_size, struct scan_command *command);
+static void vsllink_scan(bool ir_scan, enum scan_type type,
+	uint8_t *buffer, int scan_size, struct scan_command *command);
 static void vsllink_reset(int trst, int srst);
 static void vsllink_simple_command(uint8_t command);
 
@@ -109,17 +109,17 @@ static void vsllink_tap_append_step(int tms, int tdi);
 static void vsllink_tap_init(void);
 static int  vsllink_tap_execute(void);
 static void vsllink_tap_ensure_pending(int scans);
-static void vsllink_tap_append_scan(int length, uint8_t *buffer, \
-									struct scan_command *command);
+static void vsllink_tap_append_scan(int length, uint8_t *buffer,
+		struct scan_command *command);
 
 /* VSLLink lowlevel functions */
 struct vsllink {
-	struct usb_dev_handle* usb_handle;
+	struct usb_dev_handle *usb_handle;
 };
 
 static struct vsllink *vsllink_usb_open(void);
 static void vsllink_usb_close(struct vsllink *vsllink);
-static int vsllink_usb_message(struct vsllink *vsllink, int out_length, \
+static int vsllink_usb_message(struct vsllink *vsllink, int out_length,
 								int in_length);
 static int vsllink_usb_write(struct vsllink *vsllink, int out_length);
 static int vsllink_usb_read(struct vsllink *vsllink);
@@ -128,13 +128,13 @@ static int vsllink_usb_read(struct vsllink *vsllink);
 static void vsllink_debug_buffer(uint8_t *buffer, int length);
 #endif
 
-static int tap_length = 0;
-static int tap_buffer_size = 0;
-static uint8_t *tms_buffer = NULL;
-static uint8_t *tdi_buffer = NULL;
-static uint8_t *tdo_buffer = NULL;
+static int tap_length;
+static int tap_buffer_size;
+static uint8_t *tms_buffer;
+static uint8_t *tdi_buffer;
+static uint8_t *tdo_buffer;
 
-static struct vsllink* vsllink_handle = NULL;
+static struct vsllink *vsllink_handle;
 
 static void reset_command_pointer(void)
 {
@@ -148,80 +148,91 @@ static int vsllink_execute_queue(void)
 	enum scan_type type;
 	uint8_t *buffer;
 
-	DEBUG_JTAG_IO(	"-------------------------------------"
-					" vsllink "
-					"-------------------------------------");
+	DEBUG_JTAG_IO("-------------------------------------"
+		" vsllink "
+		"-------------------------------------");
 
 	reset_command_pointer();
-	while (cmd != NULL)
-	{
-		switch (cmd->type)
-		{
+	while (cmd != NULL) {
+		switch (cmd->type) {
 			case JTAG_RUNTEST:
-				DEBUG_JTAG_IO("runtest %i cycles, end in %s", \
-								cmd->cmd.runtest->num_cycles, \
-								tap_state_name(cmd->cmd.runtest->end_state));
+				DEBUG_JTAG_IO("runtest %i cycles, end in %s",
+					cmd->cmd.runtest->num_cycles,
+					tap_state_name(cmd->cmd.runtest
+							->end_state));
 
 				vsllink_end_state(cmd->cmd.runtest->end_state);
 				vsllink_runtest(cmd->cmd.runtest->num_cycles);
 				break;
 
 			case JTAG_STATEMOVE:
-				DEBUG_JTAG_IO("statemove end in %s", \
-								tap_state_name(cmd->cmd.statemove->end_state));
+				DEBUG_JTAG_IO("statemove end in %s",
+					tap_state_name(cmd->cmd.statemove
+							->end_state));
 
-				vsllink_end_state(cmd->cmd.statemove->end_state);
+				vsllink_end_state(cmd->cmd.statemove
+							->end_state);
 				vsllink_state_move();
 				break;
 
 			case JTAG_PATHMOVE:
-				DEBUG_JTAG_IO("pathmove: %i states, end in %s", \
-					cmd->cmd.pathmove->num_states, \
-					tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
-
-				vsllink_path_move(cmd->cmd.pathmove->num_states, \
-									cmd->cmd.pathmove->path);
+				DEBUG_JTAG_IO("pathmove: %i states, end in %s",
+					cmd->cmd.pathmove->num_states,
+					tap_state_name(cmd->cmd.pathmove
+						->path[cmd->cmd.pathmove
+							->num_states - 1]));
+
+				vsllink_path_move(
+					cmd->cmd.pathmove->num_states,
+					cmd->cmd.pathmove->path);
 				break;
 
 			case JTAG_SCAN:
 				vsllink_end_state(cmd->cmd.scan->end_state);
 
-				scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
+				scan_size = jtag_build_buffer(
+					cmd->cmd.scan, &buffer);
+
 				if (cmd->cmd.scan->ir_scan)
-				{
-					DEBUG_JTAG_IO("JTAG Scan write IR(%d bits), end in %s:", \
-									scan_size, \
-									tap_state_name(cmd->cmd.scan->end_state));
-				}
+					DEBUG_JTAG_IO(
+						"JTAG Scan write IR(%d bits), "
+						"end in %s:",
+						scan_size,
+						tap_state_name(cmd->cmd.scan
+								->end_state));
+
 				else
-				{
-					DEBUG_JTAG_IO("JTAG Scan write DR(%d bits), end in %s:", \
-									scan_size, \
-									tap_state_name(cmd->cmd.scan->end_state));
-				}
+					DEBUG_JTAG_IO(
+						"JTAG Scan write DR(%d bits), "
+						"end in %s:",
+						scan_size,
+						tap_state_name(cmd->cmd.scan
+							->end_state));
 
 #ifdef _DEBUG_JTAG_IO_
-				vsllink_debug_buffer(buffer, DIV_ROUND_UP(scan_size, 8));
+				vsllink_debug_buffer(buffer,
+					DIV_ROUND_UP(scan_size, 8));
 #endif
 
 				type = jtag_scan_type(cmd->cmd.scan);
 
-				vsllink_scan(cmd->cmd.scan->ir_scan, type, buffer, \
-								scan_size, cmd->cmd.scan);
+				vsllink_scan(cmd->cmd.scan->ir_scan,
+						type, buffer, scan_size,
+						cmd->cmd.scan);
 				break;
 
 			case JTAG_RESET:
-				DEBUG_JTAG_IO("reset trst: %i srst %i", \
-								cmd->cmd.reset->trst, \
-								cmd->cmd.reset->srst);
+				DEBUG_JTAG_IO("reset trst: %i srst %i",
+						cmd->cmd.reset->trst,
+						cmd->cmd.reset->srst);
 
 				vsllink_tap_execute();
 
 				if (cmd->cmd.reset->trst == 1)
-				{
 					tap_set_state(TAP_RESET);
-				}
-				vsllink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+
+				vsllink_reset(cmd->cmd.reset->trst,
+						cmd->cmd.reset->srst);
 				break;
 
 			case JTAG_SLEEP:
@@ -231,12 +242,13 @@ static int vsllink_execute_queue(void)
 				break;
 
 			case JTAG_STABLECLOCKS:
-				DEBUG_JTAG_IO("add %d clocks", \
-								cmd->cmd.stableclocks->num_cycles);
-				switch (tap_get_state())
-				{
+				DEBUG_JTAG_IO("add %d clocks",
+					cmd->cmd.stableclocks->num_cycles);
+				switch (tap_get_state()) {
 				case TAP_RESET:
-					// tms should be '1' to stay in TAP_RESET mode
+					/* tms must be '1' to stay
+					 * n TAP_RESET mode
+					 */
 					scan_size = 1;
 					break;
 				case TAP_DRSHIFT:
@@ -244,21 +256,24 @@ static int vsllink_execute_queue(void)
 				case TAP_DRPAUSE:
 				case TAP_IRSHIFT:
 				case TAP_IRPAUSE:
-					// in other mode, tms should be '0'
+					/* else, tms should be '0' */
 					scan_size = 0;
-					break;			/* above stable states are OK */
+					break;
+					/* above stable states are OK */
 				default:
-					 LOG_ERROR("jtag_add_clocks() in non-stable state \"%s\"",
-								tap_state_name(tap_get_state()));
-					 exit(-1);
+					 LOG_ERROR("jtag_add_clocks() "
+						"in non-stable state \"%s\"",
+						tap_state_name(tap_get_state())
+						);
+				 exit(-1);
 				}
-				vsllink_stableclocks(cmd->cmd.stableclocks->num_cycles, \
-										scan_size);
+				vsllink_stableclocks(cmd->cmd.stableclocks
+						->num_cycles, scan_size);
 				break;
 
 			default:
-				LOG_ERROR("BUG: unknown JTAG command type encountered: %d", \
-							cmd->type);
+				LOG_ERROR("BUG: unknown JTAG command type "
+					"encountered: %d", cmd->type);
 				exit(-1);
 		}
 		cmd = cmd->next;
@@ -278,11 +293,8 @@ static int vsllink_speed(int speed)
 	result = vsllink_usb_write(vsllink_handle, 3);
 
 	if (result == 3)
-	{
 		return ERROR_OK;
-	}
-	else
-	{
+	else {
 		LOG_ERROR("VSLLink setting speed failed (%d)", result);
 		return ERROR_JTAG_DEVICE_ERROR;
 	}
@@ -312,66 +324,60 @@ static int vsllink_init(void)
 
 	vsllink_usb_in_buffer = malloc(vsllink_buffer_size);
 	vsllink_usb_out_buffer = malloc(vsllink_buffer_size);
-	if ((vsllink_usb_in_buffer == NULL) || (vsllink_usb_out_buffer == NULL))
-	{
+	if ((vsllink_usb_in_buffer == NULL)
+			|| (vsllink_usb_out_buffer == NULL)) {
 		LOG_ERROR("Not enough memory");
 		exit(-1);
 	}
 
 	vsllink_handle = vsllink_usb_open();
-	if (vsllink_handle == 0)
-	{
+	if (vsllink_handle == 0) {
 		LOG_ERROR("Can't find USB JTAG Interface!"\
-					"Please check connection and permissions.");
+				"Please check connection and permissions.");
 		return ERROR_JTAG_INIT_FAILED;
 	}
-	LOG_DEBUG("vsllink found on %04X:%04X", vsllink_usb_vid, vsllink_usb_pid);
+	LOG_DEBUG("vsllink found on %04X:%04X",
+			vsllink_usb_vid, vsllink_usb_pid);
 
 	to_tmp = VSLLINK_USB_TIMEOUT;
 	VSLLINK_USB_TIMEOUT = 100;
 	check_cnt = 0;
-	while (check_cnt < 5)
-	{
+	while (check_cnt < 5) {
 		vsllink_simple_command(VERSALOON_GET_INFO);
 		result = vsllink_usb_read(vsllink_handle);
 
-		if (result > 2)
-		{
+		if (result > 2) {
 			vsllink_usb_in_buffer[result] = 0;
-			vsllink_buffer_size = vsllink_usb_in_buffer[0] + \
-									(vsllink_usb_in_buffer[1] << 8);
-			strncpy(version_str, (char *)vsllink_usb_in_buffer + 2, \
+			vsllink_buffer_size = vsllink_usb_in_buffer[0]
+					+ (vsllink_usb_in_buffer[1] << 8);
+			strncpy(version_str, (char *)vsllink_usb_in_buffer + 2,
 					sizeof(version_str));
 			LOG_INFO("%s", version_str);
 
-			// free the pre-alloc memroy
+			/* free the pre-allocated memory */
 			free(vsllink_usb_in_buffer);
 			free(vsllink_usb_out_buffer);
 			vsllink_usb_in_buffer = NULL;
 			vsllink_usb_out_buffer = NULL;
 
-			// alloc new memory
+			/* alloc new memory */
 			vsllink_usb_in_buffer = malloc(vsllink_buffer_size);
 			vsllink_usb_out_buffer = malloc(vsllink_buffer_size);
-			if ((vsllink_usb_in_buffer == NULL) || \
-				(vsllink_usb_out_buffer == NULL))
-			{
+			if ((vsllink_usb_in_buffer == NULL) ||
+				(vsllink_usb_out_buffer == NULL)) {
 				LOG_ERROR("Not enough memory");
 				exit(-1);
-			}
-			else
-			{
-				LOG_INFO("buffer size for USB is %d bytes", \
+			} else
+				LOG_INFO("buffer size for USB is %d bytes",
 							vsllink_buffer_size);
-			}
-			// alloc tms/tdi/tdo buffer
+
+			/* alloc tms/tdi/tdo buffer */
 			tap_buffer_size = (vsllink_buffer_size - 3) / 2;
-			tms_buffer = (uint8_t*)malloc(tap_buffer_size);
-			tdi_buffer = (uint8_t*)malloc(tap_buffer_size);
-			tdo_buffer = (uint8_t*)malloc(tap_buffer_size);
-			if ((tms_buffer == NULL) || (tdi_buffer == NULL) || \
-				(tdo_buffer == NULL))
-			{
+			tms_buffer = (uint8_t *)malloc(tap_buffer_size);
+			tdi_buffer = (uint8_t *)malloc(tap_buffer_size);
+			tdo_buffer = (uint8_t *)malloc(tap_buffer_size);
+			if ((tms_buffer == NULL) || (tdi_buffer == NULL) ||
+				(tdo_buffer == NULL)) {
 				LOG_ERROR("Not enough memory");
 				exit(-1);
 			}
@@ -380,9 +386,8 @@ static int vsllink_init(void)
 		vsllink_simple_command(VSLLINK_CMD_DISCONN);
 		check_cnt++;
 	}
-	if (check_cnt == 3)
-	{
-		// Fail to access Versaloon
+	if (check_cnt == 3) {
+		/* Fail to access Versaloon */
 		LOG_ERROR("VSLLink initial failed");
 		exit(-1);
 	}
@@ -394,33 +399,27 @@ static int vsllink_init(void)
 	vsllink_simple_command(VERSALOON_GET_TVCC);
 	result = vsllink_usb_read(vsllink_handle);
 	if (result != 2)
-	{
 		LOG_WARNING("Fail to get target voltage");
-	}
 	else
-	{
-		LOG_INFO("Target runs at %d mV", vsllink_usb_in_buffer[0] + \
+		LOG_INFO("Target runs at %d mV", vsllink_usb_in_buffer[0] +
 					(vsllink_usb_in_buffer[1] << 8));
-	}
 
-	// connect to vsllink
+	/* connect to vsllink */
 	vsllink_usb_out_buffer[0] = VSLLINK_CMD_CONN;
 	vsllink_usb_out_buffer[1] = 1;
 	vsllink_usb_message(vsllink_handle, 2, 0);
-	if (vsllink_usb_read(vsllink_handle) > 2)
-	{
-		strncpy(version_str, (char *)vsllink_usb_in_buffer + 2, \
+	if (vsllink_usb_read(vsllink_handle) > 2) {
+		strncpy(version_str, (char *)vsllink_usb_in_buffer + 2,
 				sizeof(version_str));
 		LOG_INFO("%s", version_str);
 	}
 
-	// Set SRST and TRST to output, Set USR1 and USR2 to input
+	/* Set SRST and TRST to output, Set USR1 and USR2 to input */
 	vsllink_usb_out_buffer[0] = VSLLINK_CMD_SET_PORTDIR;
-	vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST | \
-								JTAG_PINMSK_USR1 | JTAG_PINMSK_USR2;
+	vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST
+				| JTAG_PINMSK_USR1 | JTAG_PINMSK_USR2;
 	vsllink_usb_out_buffer[2] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST;
-	if (vsllink_usb_write(vsllink_handle, 3) != 3)
-	{
+	if (vsllink_usb_write(vsllink_handle, 3) != 3) {
 		LOG_ERROR("VSLLink USB send data error");
 		exit(-1);
 	}
@@ -436,15 +435,14 @@ static int vsllink_init(void)
 
 static int vsllink_quit(void)
 {
-	if ((vsllink_usb_in_buffer != NULL) && (vsllink_usb_out_buffer != NULL))
-	{
+	if ((vsllink_usb_in_buffer != NULL)
+			&& (vsllink_usb_out_buffer != NULL)) {
 		// Set all pins to input
 		vsllink_usb_out_buffer[0] = VSLLINK_CMD_SET_PORTDIR;
-		vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST | \
-									JTAG_PINMSK_USR1 | JTAG_PINMSK_USR2;
+		vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST
+				| JTAG_PINMSK_USR1 | JTAG_PINMSK_USR2;
 		vsllink_usb_out_buffer[2] = 0;
-		if (vsllink_usb_write(vsllink_handle, 3) != 3)
-		{
+		if (vsllink_usb_write(vsllink_handle, 3) != 3) {
 			LOG_ERROR("VSLLink USB send data error");
 			exit(-1);
 		}
@@ -455,13 +453,11 @@ static int vsllink_quit(void)
 		vsllink_handle = NULL;
 	}
 
-	if (vsllink_usb_in_buffer != NULL)
-	{
+	if (vsllink_usb_in_buffer != NULL) {
 		free(vsllink_usb_in_buffer);
 		vsllink_usb_in_buffer = NULL;
 	}
-	if (vsllink_usb_out_buffer != NULL)
-	{
+	if (vsllink_usb_out_buffer != NULL) {
 		free(vsllink_usb_out_buffer);
 		vsllink_usb_out_buffer = NULL;
 	}
@@ -475,11 +471,8 @@ static int vsllink_quit(void)
 static void vsllink_end_state(tap_state_t state)
 {
 	if (tap_is_state_stable(state))
-	{
 		tap_set_end_state(state);
-	}
-	else
-	{
+	else {
 		LOG_ERROR("BUG: %i is not a valid end state", state);
 		exit(-1);
 	}
@@ -489,34 +482,27 @@ static void vsllink_end_state(tap_state_t state)
 static void vsllink_state_move(void)
 {
 	int i;
-	uint8_t tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
-	uint8_t tms_scan_bits = \
-				tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
+	uint8_t tms_scan = tap_get_tms_path(tap_get_state(),
+					tap_get_end_state());
+	uint8_t tms_scan_bits = tap_get_tms_path_len(tap_get_state(),
+					tap_get_end_state());
 
 	for (i = 0; i < tms_scan_bits; i++)
-	{
 		vsllink_tap_append_step((tms_scan >> i) & 1, 0);
-	}
 
 	tap_set_state(tap_get_end_state());
 }
 
 static void vsllink_path_move(int num_states, tap_state_t *path)
 {
-	for (int i = 0; i < num_states; i++)
-	{
+	for (int i = 0; i < num_states; i++) {
 		if (path[i] == tap_state_transition(tap_get_state(), false))
-		{
 			vsllink_tap_append_step(0, 0);
-		}
 		else if (path[i] == tap_state_transition(tap_get_state(), true))
-		{
 			vsllink_tap_append_step(1, 0);
-		}
-		else
-		{
-			LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", \
-						tap_state_name(tap_get_state()), \
+		else {
+			LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
+						tap_state_name(tap_get_state()),
 						tap_state_name(path[i]));
 			exit(-1);
 		}
@@ -529,8 +515,7 @@ static void vsllink_path_move(int num_states, tap_state_t *path)
 
 static void vsllink_stableclocks(int num_cycles, int tms)
 {
-	while (num_cycles > 0)
-	{
+	while (num_cycles > 0) {
 		vsllink_tap_append_step(tms, 0);
 		num_cycles--;
 	}
@@ -540,9 +525,8 @@ static void vsllink_runtest(int num_cycles)
 {
 	tap_state_t saved_end_state = tap_get_end_state();
 
-	if (tap_get_state() != TAP_IDLE)
-	{
-		// enter into IDLE state
+	if (tap_get_state() != TAP_IDLE) {
+		/* enter IDLE state */
 		vsllink_end_state(TAP_IDLE);
 		vsllink_state_move();
 	}
@@ -553,13 +537,11 @@ static void vsllink_runtest(int num_cycles)
 	// set end_state
 	vsllink_end_state(saved_end_state);
 	if (tap_get_end_state() != tap_get_end_state())
-	{
 		vsllink_state_move();
-	}
 }
 
-static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, \
-							int scan_size, struct scan_command *command)
+static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer,
+				int scan_size, struct scan_command *command)
 {
 	tap_state_t saved_end_state;
 
@@ -569,9 +551,7 @@ static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, \
 	vsllink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
 
 	if (tap_get_state() != tap_get_end_state())
-	{
 		vsllink_state_move();
-	}
 	vsllink_end_state(saved_end_state);
 
 	/* Scan */
@@ -584,9 +564,7 @@ static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, \
 	tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
 
 	if (tap_get_state() != tap_get_end_state())
-	{
 		vsllink_state_move();
-	}
 }
 
 static void vsllink_reset(int trst, int srst)
@@ -600,19 +578,14 @@ static void vsllink_reset(int trst, int srst)
 	vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST;
 	vsllink_usb_out_buffer[2] = 0;
 	if (srst == 0)
-	{
 		vsllink_usb_out_buffer[2] |= JTAG_PINMSK_SRST;
-	}
 	if (trst == 0)
-	{
 		vsllink_usb_out_buffer[2] |= JTAG_PINMSK_TRST;
-	}
 
 	result = vsllink_usb_write(vsllink_handle, 3);
 	if (result != 3)
-	{
-		LOG_ERROR("VSLLink command VSLLINK_CMD_SET_PORT failed (%d)", result);
-	}
+		LOG_ERROR("VSLLink command VSLLINK_CMD_SET_PORT failed (%d)",
+				result);
 }
 
 static void vsllink_simple_command(uint8_t command)
@@ -625,9 +598,8 @@ static void vsllink_simple_command(uint8_t command)
 	result = vsllink_usb_write(vsllink_handle, 1);
 
 	if (result != 1)
-	{
-		LOG_ERROR("VSLLink command 0x%02x failed (%d)", command, result);
-	}
+		LOG_ERROR("VSLLink command 0x%02x failed (%d)",
+				command, result);
 }
 
 COMMAND_HANDLER(vsllink_handle_mode_command)
@@ -643,8 +615,7 @@ COMMAND_HANDLER(vsllink_handle_mode_command)
 
 COMMAND_HANDLER(vsllink_handle_usb_vid_command)
 {
-	if (CMD_ARGC != 1)
-	{
+	if (CMD_ARGC != 1) {
 		LOG_ERROR("parameter error, "
 					"should be one parameter for VID");
 		return ERROR_OK;
@@ -656,8 +627,7 @@ COMMAND_HANDLER(vsllink_handle_usb_vid_command)
 
 COMMAND_HANDLER(vsllink_handle_usb_pid_command)
 {
-	if (CMD_ARGC != 1)
-	{
+	if (CMD_ARGC != 1) {
 		LOG_ERROR("parameter error, "
 					"should be one parameter for PID");
 		return ERROR_OK;
@@ -668,10 +638,9 @@ COMMAND_HANDLER(vsllink_handle_usb_pid_command)
 
 COMMAND_HANDLER(vsllink_handle_usb_bulkin_command)
 {
-	if (CMD_ARGC != 1)
-	{
+	if (CMD_ARGC != 1) {
 		LOG_ERROR("parameter error, "
-					"should be one parameter for BULKIN endpoint");
+			"should be one parameter for BULKIN endpoint");
 		return ERROR_OK;
 	}
 
@@ -684,10 +653,9 @@ COMMAND_HANDLER(vsllink_handle_usb_bulkin_command)
 
 COMMAND_HANDLER(vsllink_handle_usb_bulkout_command)
 {
-	if (CMD_ARGC != 1)
-	{
+	if (CMD_ARGC != 1) {
 		LOG_ERROR("parameter error, "
-					"should be one parameter for BULKOUT endpoint");
+			"should be one parameter for BULKOUT endpoint");
 		return ERROR_OK;
 	}
 
@@ -700,10 +668,9 @@ COMMAND_HANDLER(vsllink_handle_usb_bulkout_command)
 
 COMMAND_HANDLER(vsllink_handle_usb_interface_command)
 {
-	if (CMD_ARGC != 1)
-	{
+	if (CMD_ARGC != 1) {
 		LOG_ERROR("parameter error, "
-					"should be one parameter for interface number");
+			"should be one parameter for interface number");
 		return ERROR_OK;
 	}
 
@@ -723,13 +690,11 @@ static void vsllink_tap_init(void)
 
 static void vsllink_tap_ensure_pending(int scans)
 {
-	int available_scans = \
+	int available_scans =
 			MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;
 
 	if (scans > available_scans)
-	{
 		vsllink_tap_execute();
-	}
 }
 
 static void vsllink_tap_append_step(int tms, int tdi)
@@ -740,52 +705,40 @@ static void vsllink_tap_append_step(int tms, int tdi)
 	uint8_t bit = 1 << bit_index;
 
 	if (tms)
-	{
 		tms_buffer[index] |= bit;
-	}
 	else
-	{
 		tms_buffer[index] &= ~bit;
-	}
 
 	if (tdi)
-	{
 		tdi_buffer[index] |= bit;
-	}
 	else
-	{
 		tdi_buffer[index] &= ~bit;
-	}
 
 	tap_length++;
+
 	if (tap_buffer_size * 8 <= tap_length)
-	{
 		vsllink_tap_execute();
-	}
 }
 
-static void vsllink_tap_append_scan(int length, uint8_t *buffer, \
-										struct scan_command *command)
+static void vsllink_tap_append_scan(int length, uint8_t *buffer,
+		struct scan_command *command)
 {
 	struct pending_scan_result *pending_scan_result;
 	int len_tmp, len_all, i;
 
 	len_all = 0;
-	while (len_all < length)
-	{
+	while (len_all < length) {
 		vsllink_tap_ensure_pending(1);
-		pending_scan_result = \
-				&pending_scan_results_buffer[pending_scan_results_length];
+		pending_scan_result =
+				&pending_scan_results_buffer[
+					pending_scan_results_length];
 
-		if ((length - len_all) > (tap_buffer_size * 8 - tap_length))
-		{
-			/* Use all memory available 
+		if ((length - len_all) > (tap_buffer_size * 8 - tap_length)) {
+			/* Use all memory available
 			   vsllink_tap_append_step will commit automatically */
 			len_tmp = tap_buffer_size * 8 - tap_length;
 			pending_scan_result->last = false;
-		}
-		else
-		{
+		} else {
 			len_tmp = length - len_all;
 			pending_scan_result->last = true;
 		}
@@ -796,10 +749,11 @@ static void vsllink_tap_append_scan(int length, uint8_t *buffer, \
 		pending_scan_result->buffer = buffer;
 		pending_scan_results_length++;
 
-		for (i = 0; i < len_tmp; i++)
-		{
-			vsllink_tap_append_step(((len_all + i) < length-1 ? 0 : 1), \
-						(buffer[(len_all + i)/8] >> ((len_all + i)%8)) & 1);
+		for (i = 0; i < len_tmp; i++) {
+			vsllink_tap_append_step(((len_all + i) < length-1
+						? 0 : 1),
+					(buffer[(len_all + i)/8]
+						>> ((len_all + i)%8)) & 1);
 		}
 
 		len_all += len_tmp;
@@ -813,61 +767,70 @@ static int vsllink_tap_execute(void)
 	int result;
 
 	if (tap_length <= 0)
-	{
 		return ERROR_OK;
-	}
 
 	/* Pad data so that tap_length is divisible by 8 */
-	if ((tap_length % 8) != 0)
-	{
-		if (vsllink_tms_offset > 0)
-		{
-			/* append tms:0 at vsllink_tms_offset, which is in Pause */
+	if ((tap_length % 8) != 0) {
+		if (vsllink_tms_offset > 0) {
+			/* append tms:0 at vsllink_tms_offset,
+			 * which is in Pause
+			 */
 			int start_pos = DIV_ROUND_UP(tap_length, 8) - 1;
 			int end_pos = DIV_ROUND_UP(vsllink_tms_offset, 8) - 1;
 			int shift_cnt = (start_pos + 1) * 8 - tap_length;
-			uint8_t last_mask = ~((1 << (vsllink_tms_offset % 8)) - 1);
-
-			while (1)
-			{
-				if (start_pos == end_pos)
-				{
-					tms_buffer[start_pos] = \
-								(tms_buffer[start_pos] & ~last_mask) | \
-								((tms_buffer[start_pos] & last_mask) << shift_cnt);
-					tdi_buffer[start_pos] = \
-								(tdi_buffer[start_pos] & ~last_mask) | \
-								((tdi_buffer[start_pos] & last_mask) << shift_cnt);
+			uint8_t last_mask = ~(
+				(1 << (vsllink_tms_offset % 8)) - 1);
+
+			while (1) {
+				if (start_pos == end_pos) {
+					tms_buffer[start_pos] =
+						(tms_buffer[start_pos]
+							& ~last_mask)
+						| ((tms_buffer[start_pos]
+								& last_mask)
+							<< shift_cnt);
+					tdi_buffer[start_pos] =
+						(tdi_buffer[start_pos]
+							& ~last_mask)
+						|
+						((tdi_buffer[start_pos]
+								& last_mask)
+								<< shift_cnt);
 					break;
-				}
-				else if (start_pos == (end_pos + 1))
-				{
-					tms_buffer[start_pos] = \
-						(tms_buffer[start_pos] << shift_cnt) | \
-						((tms_buffer[start_pos - 1] & last_mask) >> (8 - shift_cnt));
-					tdi_buffer[start_pos] = \
-						(tdi_buffer[start_pos] << shift_cnt) | \
-						((tdi_buffer[start_pos - 1] & last_mask) >> (8 - shift_cnt));
-				}
-				else
-				{
-					tms_buffer[start_pos] = \
-						(tms_buffer[start_pos] << shift_cnt) | \
-						(tms_buffer[start_pos - 1] >> (8 - shift_cnt));
-					tdi_buffer[start_pos] = \
-						(tdi_buffer[start_pos] << shift_cnt) | \
-						(tdi_buffer[start_pos - 1] >> (8 - shift_cnt));
+				} else if (start_pos == (end_pos + 1)) {
+					tms_buffer[start_pos] =
+						(tms_buffer[start_pos]
+							<< shift_cnt) |
+						((tms_buffer[start_pos - 1]
+								& last_mask)
+							>> (8 - shift_cnt));
+					tdi_buffer[start_pos] =
+						(tdi_buffer[start_pos]
+							<< shift_cnt) |
+						((tdi_buffer[start_pos - 1]
+								& last_mask)
+							>> (8 - shift_cnt));
+				} else {
+					tms_buffer[start_pos] =
+						(tms_buffer[start_pos]
+							<< shift_cnt) |
+						(tms_buffer[start_pos - 1]
+							>> (8 - shift_cnt));
+					tdi_buffer[start_pos] =
+						(tdi_buffer[start_pos]
+							<< shift_cnt) |
+						(tdi_buffer[start_pos - 1]
+							>> (8 - shift_cnt));
 				}
 				start_pos--;
 			}
 			tap_length = DIV_ROUND_UP(tap_length, 8) * 8;
-		}
-		else
-		{
+		} else {
 			/* append data at last */
-			while ((tap_length % 8) != 0)
-			{
-				vsllink_tap_append_step((tap_get_state() == TAP_RESET)?1:0, 0);
+			while ((tap_length % 8) != 0) {
+				vsllink_tap_append_step(
+					(tap_get_state() == TAP_RESET)
+						? 1 : 0, 0);
 			}
 		}
 	}
@@ -878,51 +841,48 @@ static int vsllink_tap_execute(void)
 	vsllink_usb_out_buffer[2] = ((byte_length * 2 + 3) >> 8) & 0xff;
 
 	memcpy(&vsllink_usb_out_buffer[3], tdi_buffer, byte_length);
-	memcpy(&vsllink_usb_out_buffer[3 + byte_length], tms_buffer, byte_length);
+	memcpy(&vsllink_usb_out_buffer[3 + byte_length], tms_buffer,
+			byte_length);
 
-	result = vsllink_usb_message(vsllink_handle, 3 + 2 * byte_length, \
-									byte_length);
+	result = vsllink_usb_message(vsllink_handle, 3 + 2 * byte_length,
+			byte_length);
 
-	if (result == byte_length)
-	{
-		for (i = 0; i < pending_scan_results_length; i++)
-		{
-			struct pending_scan_result *pending_scan_result = \
-											&pending_scan_results_buffer[i];
+	if (result == byte_length) {
+		for (i = 0; i < pending_scan_results_length; i++) {
+			struct pending_scan_result *pending_scan_result =
+				&pending_scan_results_buffer[i];
 			uint8_t *buffer = pending_scan_result->buffer;
 			int length = pending_scan_result->length;
 			int src_first = pending_scan_result->src_offset;
 			int dest_first = pending_scan_result->dest_offset;
 			bool last = pending_scan_result->last;
 
-			struct scan_command *command = pending_scan_result->command;
-			buf_set_buf(vsllink_usb_in_buffer, src_first, buffer, \
+			struct scan_command *command;
+
+			command = pending_scan_result->command;
+			buf_set_buf(vsllink_usb_in_buffer, src_first, buffer,
 							dest_first, length);
 
-			DEBUG_JTAG_IO("JTAG scan read(%d bits, from %d bits):", \
-							length, dest_first);
+			DEBUG_JTAG_IO("JTAG scan read(%d bits, from %d bits):",
+					length, dest_first);
 #ifdef _DEBUG_JTAG_IO_
-			vsllink_debug_buffer(buffer + dest_first / 8, DIV_ROUND_UP(length, 7));
+			vsllink_debug_buffer(buffer + dest_first / 8,
+					DIV_ROUND_UP(length, 7));
 #endif
 
-			if (last)
-			{
-				if (jtag_read_buffer(buffer, command) != ERROR_OK)
-				{
+			if (last) {
+				if (jtag_read_buffer(buffer, command)
+						!= ERROR_OK) {
 					vsllink_tap_init();
 					return ERROR_JTAG_QUEUE_FAILED;
 				}
 
 				if (pending_scan_result->buffer != NULL)
-				{
 					free(pending_scan_result->buffer);
-				}
 			}
 		}
-	}
-	else
-	{
-		LOG_ERROR("vsllink_tap_execute, wrong result %d, expected %d", \
+	} else {
+		LOG_ERROR("vsllink_tap_execute, wrong result %d, expected %d",
 					result, byte_length);
 		return ERROR_JTAG_QUEUE_FAILED;
 	}
@@ -935,7 +895,7 @@ static int vsllink_tap_execute(void)
 /*****************************************************************************/
 /* VSLLink USB low-level functions */
 
-static struct vsllink* vsllink_usb_open(void)
+static struct vsllink *vsllink_usb_open(void)
 {
 	usb_init();
 
@@ -947,17 +907,16 @@ static struct vsllink* vsllink_usb_open(void)
 
 	/* usb_set_configuration required under win32 */
 	struct usb_device *udev = usb_device(dev);
-	int ret = usb_set_configuration(dev, udev->config[0].bConfigurationValue);
-	if (ret != 0)
-	{
+	int ret = usb_set_configuration(dev,
+			udev->config[0].bConfigurationValue);
+	if (ret != 0) {
 		LOG_ERROR("fail to set configuration to %d (error %d)."
 				"Not enough permissions for the device?",
 				udev->config[0].bConfigurationValue, ret);
 		return NULL;
 	}
 	ret = usb_claim_interface(dev, vsllink_usb_interface);
-	if (ret != 0)
-	{
+	if (ret != 0) {
 		LOG_ERROR("fail to claim interface %d, %d returned",
 				vsllink_usb_interface, ret);
 		return NULL;
@@ -979,17 +938,16 @@ static void vsllink_usb_close(struct vsllink *vsllink)
 {
 	int ret;
 
-	ret = usb_release_interface(vsllink->usb_handle, vsllink_usb_interface);
-	if (ret != 0)
-	{
-		LOG_ERROR("fail to release interface %d, %d returned", \
+	ret = usb_release_interface(vsllink->usb_handle,
+			vsllink_usb_interface);
+	if (ret != 0) {
+		LOG_ERROR("fail to release interface %d, %d returned",
 					vsllink_usb_interface, ret);
 		exit(-1);
 	}
 
 	ret = usb_close(vsllink->usb_handle);
-	if (ret != 0)
-	{
+	if (ret != 0) {
 		LOG_ERROR("fail to close usb, %d returned", ret);
 		exit(-1);
 	}
@@ -998,33 +956,27 @@ static void vsllink_usb_close(struct vsllink *vsllink)
 }
 
 /* Send a message and receive the reply. */
-static int vsllink_usb_message(struct vsllink *vsllink, int out_length, \
+static int vsllink_usb_message(struct vsllink *vsllink, int out_length,
 								int in_length)
 {
 	int result;
 
 	result = vsllink_usb_write(vsllink, out_length);
-	if (result == out_length)
-	{
-		if (in_length > 0)
-		{
+	if (result == out_length) {
+		if (in_length > 0) {
 			result = vsllink_usb_read(vsllink);
 			if (result == in_length)
-			{
 				return result;
-			}
-			else
-			{
-				LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", \
+			else {
+				LOG_ERROR("usb_bulk_read failed "
+					"(requested=%d, result=%d)",
 							in_length, result);
 				return -1;
 			}
 		}
 		return 0;
-	}
-	else
-	{
-		LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", \
+	} else {
+		LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)",
 					out_length, result);
 		return -1;
 	}
@@ -1035,17 +987,17 @@ static int vsllink_usb_write(struct vsllink *vsllink, int out_length)
 {
 	int result;
 
-	if (out_length > vsllink_buffer_size)
-	{
-		LOG_ERROR("vsllink_write illegal out_length=%d (max=%d)", \
+	if (out_length > vsllink_buffer_size) {
+		LOG_ERROR("vsllink_write illegal out_length=%d (max=%d)",
 					out_length, vsllink_buffer_size);
 		return -1;
 	}
 
-	result = usb_bulk_write(vsllink->usb_handle, vsllink_usb_bulkout, \
-		(char *)vsllink_usb_out_buffer, out_length, VSLLINK_USB_TIMEOUT);
+	result = usb_bulk_write(vsllink->usb_handle, vsllink_usb_bulkout,
+		(char *)vsllink_usb_out_buffer, out_length,
+				VSLLINK_USB_TIMEOUT);
 
-	DEBUG_JTAG_IO("vsllink_usb_write, out_length = %d, result = %d", \
+	DEBUG_JTAG_IO("vsllink_usb_write, out_length = %d, result = %d",
 					out_length, result);
 
 #ifdef _DEBUG_USB_COMMS_
@@ -1063,8 +1015,8 @@ static int vsllink_usb_write(struct vsllink *vsllink, int out_length)
 /* Read data from USB into in_buffer. */
 static int vsllink_usb_read(struct vsllink *vsllink)
 {
-	int result = usb_bulk_read(vsllink->usb_handle, vsllink_usb_bulkin, \
-		(char *)vsllink_usb_in_buffer, vsllink_buffer_size, \
+	int result = usb_bulk_read(vsllink->usb_handle, vsllink_usb_bulkin,
+		(char *)vsllink_usb_in_buffer, vsllink_buffer_size,
 		VSLLINK_USB_TIMEOUT);
 
 	DEBUG_JTAG_IO("vsllink_usb_read, result = %d", result);
@@ -1086,18 +1038,16 @@ static void vsllink_debug_buffer(uint8_t *buffer, int length)
 	int i;
 	int j;
 
-	for (i = 0; i < length; i += BYTES_PER_LINE)
-	{
+	for (i = 0; i < length; i += BYTES_PER_LINE) {
 		snprintf(line, 5, "%04x", i);
-		for (j = i; j < i + BYTES_PER_LINE && j < length; j++)
-		{
+		for (j = i; j < i + BYTES_PER_LINE && j < length; j++) {
 			snprintf(s, 4, " %02x", buffer[j]);
 			strcat(line, s);
 		}
 		LOG_DEBUG("%s", line);
 	}
 }
-#endif // _DEBUG_USB_COMMS_ || _DEBUG_JTAG_IO_
+#endif /* _DEBUG_USB_COMMS_ || _DEBUG_JTAG_IO_ */
 
 static const struct command_registration vsllink_command_handlers[] = {
 	{