Apply Linux C Style to parallel.c

src/parallel.c

@@ -138,11 +138,14 @@ int par_open(hamlib_port_t *port)
 #ifdef HAVE_LINUX_PPDEV_H
 	/* TODO: open with O_NONBLOCK ? */
 	fd = open(port->pathname, O_RDWR);
+
 	if (fd < 0) {
 		rig_debug(RIG_DEBUG_ERR, "Opening device \"%s\": %s\n", port->pathname, strerror(errno));
 		return -RIG_EIO;
 	}
+
 	mode = IEEE1284_MODE_COMPAT;
+
 	if (ioctl(fd, PPSETMODE, &mode) != 0) {
 		rig_debug(RIG_DEBUG_ERR, "PPSETMODE \"%s\": %s\n", port->pathname, strerror(errno));
 		close(fd);
@@ -152,6 +155,7 @@ int par_open(hamlib_port_t *port)
 #elif defined(HAVE_DEV_PPBUS_PPI_H)
 
 	fd = open(port->pathname, O_RDWR);
+
 	if (fd < 0) {
 		rig_debug(RIG_DEBUG_ERR, "Opening device \"%s\": %s\n", port->pathname, strerror(errno));
 		return -RIG_EIO;
@@ -160,6 +164,7 @@ int par_open(hamlib_port_t *port)
 #elif defined(__WIN64__) || defined(__WIN32__)
 	handle = CreateFile(port->pathname, GENERIC_READ | GENERIC_WRITE,
 			    0, NULL, OPEN_EXISTING, 0, NULL);
+
 	if (handle == INVALID_HANDLE_VALUE) {
 		rig_debug(RIG_DEBUG_ERR, "Opening device \"%s\"\n", port->pathname);
 		CloseHandle(handle);
@@ -170,6 +175,7 @@ int par_open(hamlib_port_t *port)
 		if (fd == -1)
 			return -RIG_EIO;
 	}
+
 #else
 	return -RIG_ENIMPL;
 #endif
@@ -222,6 +228,7 @@ int HAMLIB_API par_write_data(hamlib_port_t *port, unsigned char data)
 			return -RIG_EIO;
 		}
 	}
+
 	return RIG_OK;
 #else
 	return -RIG_ENIMPL;
@@ -277,8 +284,10 @@ int HAMLIB_API par_write_control(hamlib_port_t *port, unsigned char control)
 	int status;
 	unsigned char ctrl = control ^ CP_ACTIVE_LOW_BITS;
 	status = ioctl(port->fd, PPWCONTROL, &ctrl);
+
 	if (status < 0)
 		rig_debug(RIG_DEBUG_ERR, "ioctl(PPWCONTROL) failed: %s\n", strerror(errno));
+
 	return status == 0 ? RIG_OK : -RIG_EIO;
 #elif defined(HAVE_DEV_PPBUS_PPI_H)
 	int status;
@@ -295,8 +304,7 @@ int HAMLIB_API par_write_control(hamlib_port_t *port, unsigned char control)
 				  C1284_NSELECTIN);
 	intptr_t handle;
 
-  if (ctr & 0x20)
-    {
+	if (ctr & 0x20) {
 		rig_debug(RIG_DEBUG_WARN, "use ieee1284_data_dir to change data line direction!\n");
 	}
 
@@ -313,6 +321,7 @@ int HAMLIB_API par_write_control(hamlib_port_t *port, unsigned char control)
 			return -RIG_EIO;
 		}
 	}
+
 	return RIG_OK;
 #else
 	return -RIG_ENIMPL;
@@ -330,8 +339,10 @@ int HAMLIB_API par_read_control(hamlib_port_t *port, unsigned char *control)
 	int status;
 	unsigned char ctrl;
 	status = ioctl(port->fd, PPRCONTROL, &ctrl);
+
 	if (status < 0)
 		rig_debug(RIG_DEBUG_ERR, "ioctl(PPRCONTROL) failed: %s\n", strerror(errno));
+
 	*control = ctrl ^ CP_ACTIVE_LOW_BITS;
 	return status == 0 ? RIG_OK : -RIG_EIO;
 #elif defined(HAVE_DEV_PPBUS_PPI_H)
@@ -414,10 +425,12 @@ int HAMLIB_API par_read_status(hamlib_port_t *port, unsigned char *status)
 int HAMLIB_API par_lock(hamlib_port_t *port)
 {
 #ifdef HAVE_LINUX_PPDEV_H
+
 	if (ioctl(port->fd, PPCLAIM) < 0) {
 		rig_debug(RIG_DEBUG_ERR, "Claiming device \"%s\": %s\n", port->pathname, strerror(errno));
 		return -RIG_EIO;
 	}
+
 	return RIG_OK;
 #elif defined(HAVE_DEV_PPBUS_PPI_H)
 	return RIG_OK;
@@ -436,10 +449,12 @@ int HAMLIB_API par_lock(hamlib_port_t *port)
 int HAMLIB_API par_unlock(hamlib_port_t *port)
 {
 #ifdef HAVE_LINUX_PPDEV_H
+
 	if (ioctl(port->fd, PPRELEASE) < 0) {
 		rig_debug(RIG_DEBUG_ERR, "Releasing device \"%s\": %s\n", port->pathname, strerror(errno));
 		return -RIG_EIO;
 	}
+
 	return RIG_OK;
 #elif defined(HAVE_DEV_PPBUS_PPI_H)
 	return RIG_OK;
@@ -466,13 +481,13 @@ int HAMLIB_API par_unlock(hamlib_port_t *port)
 int par_ptt_set(hamlib_port_t *p, ptt_t pttx)
 {
 	switch (p->type.ptt) {
-	case RIG_PTT_PARALLEL:
-		{
+	case RIG_PTT_PARALLEL: {
 		unsigned char ctl;
 		int status;
 
 		par_lock(p);
 		status = par_read_control(p, &ctl);
+
 		if (status != RIG_OK)
 			return status;
 
@@ -491,11 +506,13 @@ int par_ptt_set(hamlib_port_t *p, ptt_t pttx)
 		par_unlock(p);
 		return status;
 	}
+
 	default:
 		rig_debug(RIG_DEBUG_ERR, "Unsupported PTT type %d\n",
 			  p->type.ptt);
 		return -RIG_EINVAL;
 	}
+
 	return RIG_OK;
 }
 
@@ -508,8 +525,7 @@ int par_ptt_set(hamlib_port_t *p, ptt_t pttx)
 int par_ptt_get(hamlib_port_t *p, ptt_t *pttx)
 {
 	switch (p->type.ptt) {
-	case RIG_PTT_PARALLEL:
-		{
+	case RIG_PTT_PARALLEL: {
 		unsigned char ctl;
 		int status;
 
@@ -522,11 +538,13 @@ int par_ptt_get(hamlib_port_t *p, ptt_t *pttx)
 			RIG_PTT_ON : RIG_PTT_OFF;
 		return status;
 	}
+
 	default:
 		rig_debug(RIG_DEBUG_ERR, "Unsupported PTT type %d\n",
 			  p->type.ptt);
 		return -RIG_ENAVAIL;
 	}
+
 	return RIG_OK;
 }
 
@@ -539,8 +557,7 @@ int par_ptt_get(hamlib_port_t *p, ptt_t *pttx)
 int par_dcd_get(hamlib_port_t *p, dcd_t *dcdx)
 {
 	switch (p->type.dcd) {
-	case RIG_DCD_PARALLEL:
-		{
+	case RIG_DCD_PARALLEL: {
 		unsigned char reg;
 		int status;
 
@@ -549,11 +566,13 @@ int par_dcd_get(hamlib_port_t *p, dcd_t *dcdx)
 			RIG_DCD_ON : RIG_DCD_OFF;
 		return status;
 	}
+
 	default:
 		rig_debug(RIG_DEBUG_ERR, "Unsupported DCD type %d\n",
 			  p->type.dcd);
 		return -RIG_ENAVAIL;
 	}
+
 	return RIG_OK;
 }