Merge branch 'master' into 1.1
[tinc] / src / linux / device.c
index 4e9591c..e692ca9 100644 (file)
@@ -52,8 +52,7 @@ static char *device_info;
 static int device_total_in = 0;
 static int device_total_out = 0;
 
-bool setup_device(void)
-{
+bool setup_device(void) {
        struct ifreq ifr;
 
        cp();
@@ -78,7 +77,7 @@ bool setup_device(void)
 #ifdef HAVE_LINUX_IF_TUN_H
        /* Ok now check if this is an old ethertap or a new tun/tap thingie */
 
-       memset(&ifr, 0, sizeof(ifr));
+       memset(&ifr, 0, sizeof ifr);
        if(routing_mode == RMODE_ROUTER) {
                ifr.ifr_flags = IFF_TUN;
                device_type = DEVICE_TYPE_TUN;
@@ -118,8 +117,7 @@ bool setup_device(void)
        return true;
 }
 
-void close_device(void)
-{
+void close_device(void) {
        cp();
        
        close(device_fd);
@@ -128,45 +126,44 @@ void close_device(void)
        free(iface);
 }
 
-bool read_packet(vpn_packet_t *packet)
-{
-       int lenin;
+bool read_packet(vpn_packet_t *packet) {
+       int inlen;
        
        cp();
 
        switch(device_type) {
                case DEVICE_TYPE_TUN:
-                       lenin = read(device_fd, packet->data + 10, MTU - 10);
+                       inlen = read(device_fd, packet->data + 10, MTU - 10);
 
-                       if(lenin <= 0) {
+                       if(inlen <= 0) {
                                logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return false;
                        }
 
-                       packet->len = lenin + 10;
+                       packet->len = inlen + 10;
                        break;
                case DEVICE_TYPE_TAP:
-                       lenin = read(device_fd, packet->data, MTU);
+                       inlen = read(device_fd, packet->data, MTU);
 
-                       if(lenin <= 0) {
+                       if(inlen <= 0) {
                                logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return false;
                        }
 
-                       packet->len = lenin;
+                       packet->len = inlen;
                        break;
                case DEVICE_TYPE_ETHERTAP:
-                       lenin = read(device_fd, packet->data - 2, MTU + 2);
+                       inlen = read(device_fd, packet->data - 2, MTU + 2);
 
-                       if(lenin <= 0) {
+                       if(inlen <= 0) {
                                logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return false;
                        }
 
-                       packet->len = lenin - 2;
+                       packet->len = inlen - 2;
                        break;
        }
 
@@ -178,8 +175,7 @@ bool read_packet(vpn_packet_t *packet)
        return true;
 }
 
-bool write_packet(vpn_packet_t *packet)
-{
+bool write_packet(vpn_packet_t *packet) {
        cp();
 
        ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
@@ -217,8 +213,7 @@ bool write_packet(vpn_packet_t *packet)
        return true;
 }
 
-void dump_device_stats(void)
-{
+void dump_device_stats(void) {
        cp();
 
        logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);