From 241aca98bdc8106221ee7d7dbcea9f2fa17f24bc Mon Sep 17 00:00:00 2001
From: Konstantin Kowalski <kostyakow42@gmail.com>
Date: Fri, 26 Jul 2013 23:07:25 -0400
Subject: A *lot* of style changes.

---
 core/DHT.c                        | 367 ++++++++++++++++----------------------
 core/DHT.h                        |  20 +--
 core/LAN_discovery.c              |  20 +--
 core/LAN_discovery.h              |   2 +-
 core/Lossless_UDP.c               | 174 +++++++++---------
 core/Lossless_UDP.h               |   6 +-
 core/Messenger.c                  | 168 ++++++++---------
 core/Messenger.h                  |  20 +--
 core/friend_requests.c            |  50 +++---
 core/friend_requests.h            |   4 +-
 core/net_crypto.c                 | 176 +++++++++---------
 core/net_crypto.h                 |  24 +--
 core/network.c                    |  13 +-
 core/network.h                    |  21 +--
 testing/DHT_sendfiletest.c        |  60 +++----
 testing/Lossless_UDP_testclient.c |  40 ++---
 testing/Lossless_UDP_testserver.c |  22 +--
 testing/nTox.c                    |  50 +++---
 18 files changed, 567 insertions(+), 670 deletions(-)

diff --git a/core/DHT.c b/core/DHT.c
index 857ac5e8..9c2245c7 100644
--- a/core/DHT.c
+++ b/core/DHT.c
@@ -23,8 +23,7 @@
 
 #include "DHT.h"
 
-typedef struct
-{
+typedef struct {
     uint8_t client_id[CLIENT_ID_SIZE];
     IP_Port ip_port;
     uint32_t timestamp;
@@ -32,13 +31,12 @@ typedef struct
     IP_Port ret_ip_port;/* The ip_port returned by this node for the friend 
                            (for nodes in friends_list) or us (for nodes in close_clientlist) */
     uint32_t ret_timestamp;                       
-}Client_data;
+} Client_data;
 
 /* maximum number of clients stored per friend. */
 #define MAX_FRIEND_CLIENTS 8
 
-typedef struct
-{
+typedef struct {
     uint8_t client_id[CLIENT_ID_SIZE];
     Client_data client_list[MAX_FRIEND_CLIENTS];
     uint32_t lastgetnode; /* time at which the last get_nodes request was sent. */
@@ -49,21 +47,19 @@ typedef struct
     uint32_t punching_timestamp;
     uint64_t NATping_id;
     uint32_t NATping_timestamp;
-}Friend;
+} Friend;
 
-typedef struct
-{
+typedef struct {
     uint8_t client_id[CLIENT_ID_SIZE];
     IP_Port ip_port;
-}Node_format;
+} Node_format;
 
-typedef struct
-{
+typedef struct {
     IP_Port ip_port;
     uint64_t ping_id;
     uint32_t timestamp;
     
-}Pinged;
+} Pinged;
 
 /* Our client id/public key */
 uint8_t self_public_key[CLIENT_ID_SIZE];
@@ -74,7 +70,7 @@ uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
 #define LCLIENT_LIST 32
 static Client_data close_clientlist[LCLIENT_LIST];
 
-static Friend * friends_list;
+static Friend *friends_list;
 static uint16_t num_friends;
 
 /* The list of ip ports along with the ping_id of what we sent them and a timestamp */
@@ -90,19 +86,16 @@ static Pinged send_nodes[LSEND_NODES_ARRAY];
    return 0 if both are same distance
    return 1 if client_id1 is closer
    return 2 if client_id2 is closer */
-int id_closest(uint8_t * client_id, uint8_t * client_id1, uint8_t * client_id2) /* tested */
+int id_closest(uint8_t *client_id, uint8_t *client_id1, uint8_t *client_id2) /* tested */
 {
     uint32_t i;
-    for(i = 0; i < CLIENT_ID_SIZE; ++i) {
-        if(abs(client_id[i] ^ client_id1[i]) < abs(client_id[i] ^ client_id2[i])) {
+    for (i = 0; i < CLIENT_ID_SIZE; ++i) {
+        if(abs(client_id[i] ^ client_id1[i]) < abs(client_id[i] ^ client_id2[i]))
             return 1;
-        } else if(abs(client_id[i] ^ client_id1[i]) > abs(client_id[i] ^ client_id2[i])) {
+        else if(abs(client_id[i] ^ client_id1[i]) > abs(client_id[i] ^ client_id2[i]))
             return 2;
-        }
     }
-    
     return 0;
-    
 }
 
 /* check if client with client_id is already in list of length length.
@@ -110,15 +103,16 @@ int id_closest(uint8_t * client_id, uint8_t * client_id1, uint8_t * client_id2)
    if the id is already in the list with a different ip_port, update it.
    return True(1) or False(0)
    TODO: maybe optimize this. */
-int client_in_list(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port)
+int client_in_list(Client_data *list, uint32_t length, uint8_t *client_id, IP_Port ip_port)
 {
     uint32_t i;
     uint32_t temp_time = unix_time();
     
-    for(i = 0; i < length; ++i) {
+    for (i = 0; i < length; ++i) {
         /*If ip_port is assigned to a different client_id replace it*/
         if(list[i].ip_port.ip.i == ip_port.ip.i &&
-        list[i].ip_port.port == ip_port.port) {
+           list[i].ip_port.port == ip_port.port)
+        {
             memcpy(list[i].client_id, client_id, CLIENT_ID_SIZE);
         }
         
@@ -136,14 +130,12 @@ int client_in_list(Client_data * list, uint32_t length, uint8_t * client_id, IP_
 
 /* check if client with client_id is already in node format list of length length.
    return True(1) or False(0) */
-int client_in_nodelist(Node_format * list, uint32_t length, uint8_t * client_id)
+int client_in_nodelist(Node_format *list, uint32_t length, uint8_t *client_id)
 {
     uint32_t i;
-    for(i = 0; i < length; ++i) {
-        if(memcmp(list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) {
-
+    for (i = 0; i < length; ++i) {
+        if (memcmp(list[i].client_id, client_id, CLIENT_ID_SIZE) == 0)
             return 1;
-        }
     }
     return 0;
     
@@ -151,14 +143,12 @@ int client_in_nodelist(Node_format * list, uint32_t length, uint8_t * client_id)
 
 /*Return the friend number from the client_id
  Return -1 if failure, number of friend if success*/
-static int friend_number(uint8_t * client_id)
+static int friend_number(uint8_t *client_id)
 {
     uint32_t i;
-    for(i = 0; i < num_friends; ++i) {
-        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) /* Equal */
-        {
+    for (i = 0; i < num_friends; ++i) {
+        if (memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) /* Equal */
             return i;
-        }
     }
     return -1;
 }
@@ -171,14 +161,15 @@ static int friend_number(uint8_t * client_id)
 /* Find MAX_SENT_NODES nodes closest to the client_id for the send nodes request:
    put them in the nodes_list and return how many were found.
    TODO: Make this function much more efficient. */
-int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
+int get_close_nodes(uint8_t *client_id, Node_format * nodes_list)
 {
     uint32_t i, j, k;
     int num_nodes=0;
     uint32_t temp_time = unix_time();
-    for(i = 0; i < LCLIENT_LIST; ++i) {
-        if(close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time && 
-        !client_in_nodelist(nodes_list, MAX_SENT_NODES,close_clientlist[i].client_id)) {
+    for (i = 0; i < LCLIENT_LIST; ++i) {
+        if (close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time && 
+            !client_in_nodelist(nodes_list, MAX_SENT_NODES,close_clientlist[i].client_id))
+        {
         /* if node is good and not already in list. */
             if(num_nodes < MAX_SENT_NODES) {
                     memcpy(nodes_list[num_nodes].client_id, close_clientlist[i].client_id, CLIENT_ID_SIZE);
@@ -194,12 +185,12 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
             }
         }    
     }
-    for(i = 0; i < num_friends; ++i) {
-        for(j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
-            if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time && 
+    for (i = 0; i < num_friends; ++i) {
+        for (j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
+            if (friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time && 
             !client_in_nodelist(nodes_list, MAX_SENT_NODES,friends_list[i].client_list[j].client_id)) {
             /* if node is good and not already in list. */
-                if(num_nodes < MAX_SENT_NODES) {
+                if (num_nodes < MAX_SENT_NODES) {
                         memcpy(nodes_list[num_nodes].client_id, friends_list[i].client_list[j].client_id, CLIENT_ID_SIZE);
                         nodes_list[num_nodes].ip_port = friends_list[i].client_list[j].ip_port;
                         num_nodes++;
@@ -220,12 +211,12 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
 /* replace first bad (or empty) node with this one
    return 0 if successful
    return 1 if not (list contains no bad nodes) */
-int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port) /* tested */
+int replace_bad(Client_data *list, uint32_t length, uint8_t *client_id, IP_Port ip_port) /* tested */
 {
     uint32_t i;
     uint32_t temp_time = unix_time();
-    for(i = 0; i < length; ++i) {
-        if(list[i].timestamp + BAD_NODE_TIMEOUT < temp_time) /* if node is bad. */ {
+    for (i = 0; i < length; ++i) {
+        if (list[i].timestamp + BAD_NODE_TIMEOUT < temp_time) /* if node is bad. */ {
             memcpy(list[i].client_id, client_id, CLIENT_ID_SIZE);
             list[i].ip_port = ip_port;
             list[i].timestamp = temp_time;
@@ -240,13 +231,13 @@ int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Por
 }
 
 /* replace the first good node that is further to the comp_client_id than that of the client_id in the list */
-int replace_good(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port, uint8_t * comp_client_id)
+int replace_good(Client_data *list, uint32_t length, uint8_t *client_id, IP_Port ip_port, uint8_t *comp_client_id)
 {
     uint32_t i;
     uint32_t temp_time = unix_time();
     
-    for(i = 0; i < length; ++i) {
-        if(id_closest(comp_client_id, list[i].client_id, client_id) == 2) {
+    for (i = 0; i < length; ++i) {
+        if (id_closest(comp_client_id, list[i].client_id, client_id) == 2) {
             memcpy(list[i].client_id, client_id, CLIENT_ID_SIZE);
             list[i].ip_port = ip_port;
             list[i].timestamp = temp_time;
@@ -261,17 +252,14 @@ int replace_good(Client_data * list, uint32_t length, uint8_t * client_id, IP_Po
 }
 
 /* Attempt to add client with ip_port and client_id to the friends client list and close_clientlist */
-void addto_lists(IP_Port ip_port, uint8_t * client_id)
+void addto_lists(IP_Port ip_port, uint8_t *client_id)
 {
     uint32_t i;
     
     /* NOTE: current behavior if there are two clients with the same id is to replace the first ip by the second. */
-    if(!client_in_list(close_clientlist, LCLIENT_LIST, client_id, ip_port)) {
-         
-        if(replace_bad(close_clientlist, LCLIENT_LIST, client_id, ip_port)) {
-            /* if we can't replace bad nodes we try replacing good ones */
-            replace_good(close_clientlist, LCLIENT_LIST, client_id, ip_port, self_public_key);
-        }    
+    if (!client_in_list(close_clientlist, LCLIENT_LIST, client_id, ip_port)) {
+        if (replace_bad(close_clientlist, LCLIENT_LIST, client_id, ip_port)) 
+            replace_good(close_clientlist, LCLIENT_LIST, client_id, ip_port, self_public_key); /* if we can't replace bad nodes we try replacing good ones */
     }
     for(i = 0; i < num_friends; ++i) {
         if(!client_in_list(friends_list[i].client_list, MAX_FRIEND_CLIENTS, client_id, ip_port)) {  
@@ -285,30 +273,31 @@ void addto_lists(IP_Port ip_port, uint8_t * client_id)
 
 /* If client_id is a friend or us, update ret_ip_port  
    nodeclient_id is the id of the node that sent us this info */
-void returnedip_ports(IP_Port ip_port, uint8_t * client_id, uint8_t * nodeclient_id)
+void returnedip_ports(IP_Port ip_port, uint8_t *client_id, uint8_t *nodeclient_id)
 {
     uint32_t i, j;
     uint32_t temp_time = unix_time();
-    if(memcmp(client_id, self_public_key, CLIENT_ID_SIZE) == 0) {
-        for(i = 0; i < LCLIENT_LIST; ++i) {
-            if(memcmp(nodeclient_id, close_clientlist[i].client_id, CLIENT_ID_SIZE) == 0) {
+    if (memcmp(client_id, self_public_key, CLIENT_ID_SIZE) == 0) {
+        for (i = 0; i < LCLIENT_LIST; ++i) {
+            if (memcmp(nodeclient_id, close_clientlist[i].client_id, CLIENT_ID_SIZE) == 0) {
                 close_clientlist[i].ret_ip_port = ip_port;
                 close_clientlist[i].ret_timestamp = temp_time;
                 return;
             }
         }
     }
-    else
-    for(i = 0; i < num_friends; ++i) {
-        if(memcmp(client_id, friends_list[i].client_id, CLIENT_ID_SIZE) == 0) {
-            for(j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
-                if(memcmp(nodeclient_id, friends_list[i].client_list[j].client_id, CLIENT_ID_SIZE) == 0) {
-                    friends_list[i].client_list[j].ret_ip_port = ip_port;
-                    friends_list[i].client_list[j].ret_timestamp = temp_time;
-                    return;
-                }
-            }
-        }
+    else {
+       for (i = 0; i < num_friends; ++i) {
+           if (memcmp(client_id, friends_list[i].client_id, CLIENT_ID_SIZE) == 0) {
+               for (j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
+                   if (memcmp(nodeclient_id, friends_list[i].client_list[j].client_id, CLIENT_ID_SIZE) == 0) {
+                       friends_list[i].client_list[j].ret_ip_port = ip_port;
+                       friends_list[i].client_list[j].ret_timestamp = temp_time;
+                       return;
+                   }
+               }
+           }
+       }
     }
 }
 
@@ -326,25 +315,23 @@ int is_pinging(IP_Port ip_port, uint64_t ping_id)
     uint8_t pinging;
     uint32_t temp_time = unix_time();
 
-    for(i = 0; i < LPING_ARRAY; ++i ) {
-        if((pings[i].timestamp + PING_TIMEOUT) > temp_time) {
+    for (i = 0; i < LPING_ARRAY; ++i ) {
+        if ((pings[i].timestamp + PING_TIMEOUT) > temp_time) {
             pinging = 0;
-            if(ip_port.ip.i != 0) {
+            if (ip_port.ip.i != 0) {
                 if(pings[i].ip_port.ip.i == ip_port.ip.i &&
-                pings[i].ip_port.port == ip_port.port) {
+                   pings[i].ip_port.port == ip_port.port)
+                {
                         ++pinging;
                 }
             }
-            if(ping_id != 0) {
+            if (ping_id != 0) {
                 if(pings[i].ping_id == ping_id)
-                {
                         ++pinging;
-                }
+
             }
-            if(pinging == (ping_id != 0) + (ip_port.ip.i != 0)) {
+            if(pinging == (ping_id != 0) + (ip_port.ip.i != 0))
                     return 1;
-            }
-            
         }
     }
 
@@ -359,24 +346,21 @@ int is_gettingnodes(IP_Port ip_port, uint64_t ping_id)
     uint8_t pinging;
     uint32_t temp_time = unix_time();
 
-    for(i = 0; i < LSEND_NODES_ARRAY; ++i ) {
-        if((send_nodes[i].timestamp + PING_TIMEOUT) > temp_time) {
+    for(i = 0; i < LSEND_NODES_ARRAY; ++i) {
+        if ((send_nodes[i].timestamp + PING_TIMEOUT) > temp_time) {
             pinging = 0;
-            if(ip_port.ip.i != 0) {
-                if(send_nodes[i].ip_port.ip.i == ip_port.ip.i &&
+            if (ip_port.ip.i != 0) {
+                if (send_nodes[i].ip_port.ip.i == ip_port.ip.i &&
                 send_nodes[i].ip_port.port == ip_port.port) {
                         ++pinging;
                 }
             }
-            if(ping_id != 0) {
-                if(send_nodes[i].ping_id == ping_id) {
+            if (ping_id != 0) {
+                if (send_nodes[i].ping_id == ping_id)
                         ++pinging;
-                }
             }
-            if(pinging == (ping_id != 0) + (ip_port.ip.i != 0)) {
-                    return 1;
-            }
-            
+            if(pinging == (ping_id != 0) + (ip_port.ip.i != 0))
+               return 1;
         }
     }
 
@@ -394,9 +378,9 @@ uint64_t add_pinging(IP_Port ip_port)
     uint64_t ping_id = ((uint64_t)random_int() << 32) + random_int();
     uint32_t temp_time = unix_time();
     
-    for(i = 0; i < PING_TIMEOUT; ++i ) {
-        for(j = 0; j < LPING_ARRAY; ++j ) {
-            if((pings[j].timestamp + PING_TIMEOUT - i) < temp_time) {
+    for (i = 0; i < PING_TIMEOUT; ++i ) {
+        for (j = 0; j < LPING_ARRAY; ++j ) {
+            if ((pings[j].timestamp + PING_TIMEOUT - i) < temp_time) {
                     pings[j].timestamp = temp_time;
                     pings[j].ip_port = ip_port;
                     pings[j].ping_id = ping_id;
@@ -415,9 +399,9 @@ uint64_t add_gettingnodes(IP_Port ip_port)
     uint64_t ping_id = ((uint64_t)random_int() << 32) + random_int();
     uint32_t temp_time = unix_time();
     
-    for(i = 0; i < PING_TIMEOUT; ++i ) {
-        for(j = 0; j < LSEND_NODES_ARRAY; ++j ) {
-            if((send_nodes[j].timestamp + PING_TIMEOUT - i) < temp_time) {
+    for (i = 0; i < PING_TIMEOUT; ++i ) {
+        for (j = 0; j < LSEND_NODES_ARRAY; ++j ) {
+            if ((send_nodes[j].timestamp + PING_TIMEOUT - i) < temp_time) {
                     send_nodes[j].timestamp = temp_time;
                     send_nodes[j].ip_port = ip_port;
                     send_nodes[j].ping_id = ping_id;
@@ -431,20 +415,17 @@ uint64_t add_gettingnodes(IP_Port ip_port)
 
 /* send a ping request
    Ping request only works if none has been sent to that ip/port in the last 5 seconds. */
-static int pingreq(IP_Port ip_port, uint8_t * public_key)
+static int pingreq(IP_Port ip_port, uint8_t *public_key)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */ {
+    if (memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
         return 1;
-    }
     
-    if(is_pinging(ip_port, 0)) {
+    if (is_pinging(ip_port, 0))
         return 1;
-    }
     
     uint64_t ping_id = add_pinging(ip_port);
-    if(ping_id == 0) {
+    if (ping_id == 0)
         return 1;
-    }
     
     uint8_t data[1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING];
     uint8_t encrypt[sizeof(ping_id) + ENCRYPTION_PADDING];
@@ -452,9 +433,8 @@ static int pingreq(IP_Port ip_port, uint8_t * public_key)
     random_nonce(nonce);
     
     int len = encrypt_data(public_key, self_secret_key, nonce, (uint8_t *)&ping_id, sizeof(ping_id), encrypt);
-    if(len != sizeof(ping_id) + ENCRYPTION_PADDING) {
+    if(len != sizeof(ping_id) + ENCRYPTION_PADDING)
         return -1;
-    }
     data[0] = 0;
     memcpy(data + 1, self_public_key, CLIENT_ID_SIZE);
     memcpy(data + 1 + CLIENT_ID_SIZE, nonce, crypto_box_NONCEBYTES);
@@ -465,12 +445,11 @@ static int pingreq(IP_Port ip_port, uint8_t * public_key)
 }
 
 /* send a ping response */
-static int pingres(IP_Port ip_port, uint8_t * public_key, uint64_t ping_id)
+static int pingres(IP_Port ip_port, uint8_t *public_key, uint64_t ping_id)
 {
      /* check if packet is gonna be sent to ourself */
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) {
+    if (memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)
         return 1;
-    }
     
     uint8_t data[1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING];
     uint8_t encrypt[sizeof(ping_id) + ENCRYPTION_PADDING];
@@ -478,9 +457,8 @@ static int pingres(IP_Port ip_port, uint8_t * public_key, uint64_t ping_id)
     random_nonce(nonce);
     
     int len = encrypt_data(public_key, self_secret_key, nonce, (uint8_t *)&ping_id, sizeof(ping_id), encrypt);
-    if(len != sizeof(ping_id) + ENCRYPTION_PADDING) {
+    if (len != sizeof(ping_id) + ENCRYPTION_PADDING)
         return -1;
-    }
     data[0] = 1;
     memcpy(data + 1, self_public_key, CLIENT_ID_SIZE);
     memcpy(data + 1 + CLIENT_ID_SIZE, nonce, crypto_box_NONCEBYTES);
@@ -491,22 +469,18 @@ static int pingres(IP_Port ip_port, uint8_t * public_key, uint64_t ping_id)
 }
 
 /* send a getnodes request */
-static int getnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id)
+static int getnodes(IP_Port ip_port, uint8_t *public_key, uint8_t *client_id)
 {
     /* check if packet is gonna be sent to ourself */
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) {
+    if (memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)
         return 1;
-    }
-    
-    if(is_gettingnodes(ip_port, 0)) {
+    if (is_gettingnodes(ip_port, 0))
         return 1;
-    }
     
     uint64_t ping_id = add_gettingnodes(ip_port);
     
-    if(ping_id == 0) {
+    if (ping_id == 0)
         return 1;
-    }
     
     uint8_t data[1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING];
     uint8_t plain[sizeof(ping_id) + CLIENT_ID_SIZE];
@@ -519,9 +493,8 @@ static int getnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id)
     
     int len = encrypt_data(public_key, self_secret_key, nonce, plain, sizeof(ping_id) + CLIENT_ID_SIZE, encrypt);
     
-    if(len != sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING) {
+    if (len != sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING)
         return -1;
-    }
     data[0] = 2;
     memcpy(data + 1, self_public_key, CLIENT_ID_SIZE);
     memcpy(data + 1 + CLIENT_ID_SIZE, nonce, crypto_box_NONCEBYTES);
@@ -531,11 +504,10 @@ static int getnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id)
 }
 
 /* send a send nodes response */
-static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id, uint64_t ping_id)
+static int sendnodes(IP_Port ip_port, uint8_t *public_key, uint8_t *client_id, uint64_t ping_id)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */ {
+    if (memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
         return 1;
-    }
     
     uint8_t data[1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) 
                                     + sizeof(Node_format) * MAX_SENT_NODES + ENCRYPTION_PADDING];
@@ -543,9 +515,8 @@ static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id,
     Node_format nodes_list[MAX_SENT_NODES];
     int num_nodes = get_close_nodes(client_id, nodes_list);
     
-    if(num_nodes == 0) {
+    if (num_nodes == 0)
         return 0;
-    }
     
     uint8_t plain[sizeof(ping_id) + sizeof(Node_format) * MAX_SENT_NODES];
     uint8_t encrypt[sizeof(ping_id) + sizeof(Node_format) * MAX_SENT_NODES + ENCRYPTION_PADDING];
@@ -558,9 +529,8 @@ static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id,
     int len = encrypt_data(public_key, self_secret_key, nonce, plain, 
                                        sizeof(ping_id) + num_nodes * sizeof(Node_format), encrypt);
     
-    if(len != sizeof(ping_id) + num_nodes * sizeof(Node_format) + ENCRYPTION_PADDING) {
+    if (len != sizeof(ping_id) + num_nodes * sizeof(Node_format) + ENCRYPTION_PADDING)
         return -1;
-    }
     
     data[0] = 3;
     memcpy(data + 1, self_public_key, CLIENT_ID_SIZE);
@@ -574,27 +544,20 @@ static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id,
 /* Packet handling functions
    One to handle each types of packets we receive
    return 0 if handled correctly, 1 if packet is bad. */
-int handle_pingreq(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_pingreq(uint8_t *packet, uint32_t length, IP_Port source)
 {
     uint64_t ping_id;
-    if(length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING) {
+    if (length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING)
         return 1;
-    }
 	/* check if packet is from ourself. */
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)  {
+    if (memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)
         return 1;
-    }
-    
-    
-    
     int len = decrypt_data(packet + 1, self_secret_key, packet + 1 + CLIENT_ID_SIZE, 
                                        packet + 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES, 
                                        sizeof(ping_id) + ENCRYPTION_PADDING, (uint8_t *)&ping_id);
-    if(len != sizeof(ping_id)) {
+    if (len != sizeof(ping_id))
         return 1;
-    }
-
-    
+            
     pingres(source, packet + 1, ping_id);
     
     pingreq(source, packet + 1); /* TODO: make this smarter? */
@@ -603,26 +566,21 @@ int handle_pingreq(uint8_t * packet, uint32_t length, IP_Port source)
     
 }
 
-int handle_pingres(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_pingres(uint8_t *packet, uint32_t length, IP_Port source)
 {
     uint64_t ping_id;
-    if(length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING) {
+    if (length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + ENCRYPTION_PADDING)
         return 1;
-    }
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is from ourself. */ {
+    if (memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is from ourself. */
         return 1;
-    }
-    
-    
-    
+
     int len = decrypt_data(packet + 1, self_secret_key, packet + 1 + CLIENT_ID_SIZE, 
                                        packet + 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES, 
                                        sizeof(ping_id) + ENCRYPTION_PADDING, (uint8_t *)&ping_id);
-    if(len != sizeof(ping_id)) {
+    if (len != sizeof(ping_id))
         return 1;
-    }
     
-    if(is_pinging(source, ping_id)) {
+    if (is_pinging(source, ping_id)) {
         addto_lists(source, packet + 1);
         return 0;
     }
@@ -630,16 +588,14 @@ int handle_pingres(uint8_t * packet, uint32_t length, IP_Port source)
     
 }
 
-int handle_getnodes(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_getnodes(uint8_t *packet, uint32_t length, IP_Port source)
 {
     uint64_t ping_id;
-    if(length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING) {
+    if (length != 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING)
         return 1;
-    }
 	/* check if packet is from ourself. */
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) {
+    if (memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)
         return 1;
-    }
     
     uint8_t plain[sizeof(ping_id) + CLIENT_ID_SIZE];
     
@@ -647,10 +603,8 @@ int handle_getnodes(uint8_t * packet, uint32_t length, IP_Port source)
                                        packet + 1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES, 
                                        sizeof(ping_id) + CLIENT_ID_SIZE + ENCRYPTION_PADDING, plain);
     
-    if(len != sizeof(ping_id) + CLIENT_ID_SIZE) {
+    if (len != sizeof(ping_id) + CLIENT_ID_SIZE)
         return 1;
-    }
-    
     
     memcpy(&ping_id, plain, sizeof(ping_id));
     sendnodes(source, packet + 1, plain + sizeof(ping_id), ping_id);
@@ -664,7 +618,7 @@ int handle_getnodes(uint8_t * packet, uint32_t length, IP_Port source)
 int handle_sendnodes(uint8_t * packet, uint32_t length, IP_Port source)
 {
     uint64_t ping_id;
-    if(length > (1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id)
+    if (length > (1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) //TODO: rewrite this monstrosity
                  + sizeof(Node_format) * MAX_SENT_NODES + ENCRYPTION_PADDING) || 
     (length - (1 + CLIENT_ID_SIZE + crypto_box_NONCEBYTES + sizeof(ping_id) 
                  + ENCRYPTION_PADDING)) % (sizeof(Node_format)) != 0 ||
@@ -682,42 +636,36 @@ int handle_sendnodes(uint8_t * packet, uint32_t length, IP_Port source)
                                        sizeof(ping_id) + num_nodes * sizeof(Node_format) + ENCRYPTION_PADDING, plain);
     
     
-    if(len != sizeof(ping_id) + num_nodes * sizeof(Node_format)) {
+    if (len != sizeof(ping_id) + num_nodes * sizeof(Node_format))
         return 1;
-    }
-        
     memcpy(&ping_id, plain, sizeof(ping_id));
-    if(!is_gettingnodes(source, ping_id)) {
+    if(!is_gettingnodes(source, ping_id))
         return 1;
-    }
-    
+
     Node_format nodes_list[MAX_SENT_NODES];
     memcpy(nodes_list, plain + sizeof(ping_id), num_nodes * sizeof(Node_format));
     
     addto_lists(source, packet + 1);
     
     uint32_t i;
-    for(i = 0; i < num_nodes; ++i)  {
+    for (i = 0; i < num_nodes; ++i)
         pingreq(nodes_list[i].ip_port, nodes_list[i].client_id);
         returnedip_ports(nodes_list[i].ip_port, nodes_list[i].client_id, packet + 1);
-    }
     
     return 0;
 }
 
 /* END of packet handling functions */
 
-int DHT_addfriend(uint8_t * client_id)
+int DHT_addfriend(uint8_t *client_id)
 {
     Friend * temp;
-    if(num_friends == 0) {
+    if (num_friends == 0)
         temp = malloc(sizeof(Friend));
-    } else {
+    else
         temp = realloc(friends_list, sizeof(Friend) * (num_friends + 1));
-    }
-    if(temp == NULL) {
+    if (temp == NULL)
         return 1;
-    }
     
     friends_list = temp;
     memset(&friends_list[num_friends], 0, sizeof(Friend));
@@ -727,21 +675,19 @@ int DHT_addfriend(uint8_t * client_id)
     return 0;
 }
 
-int DHT_delfriend(uint8_t * client_id)
+int DHT_delfriend(uint8_t *client_id)
 {
     uint32_t i;
     Friend * temp;
-    for(i = 0; i < num_friends; ++i) {
+    for (i = 0; i < num_friends; ++i) {
 	    /* Equal */ 
-        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0){
+        if (memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0){
             --num_friends;
-            if(num_friends != i) {
+            if (num_friends != i)
                 memcpy(friends_list[i].client_id, friends_list[num_friends].client_id, CLIENT_ID_SIZE);
-            }
             temp = realloc(friends_list, sizeof(Friend) * (num_friends));
-            if(temp != NULL) {
+            if (temp != NULL)
                 friends_list = temp;
-            }
             return 0;
         }
     }
@@ -749,12 +695,12 @@ int DHT_delfriend(uint8_t * client_id)
 }
 
 /* TODO: Optimize this. */
-IP_Port DHT_getfriendip(uint8_t * client_id)
+IP_Port DHT_getfriendip(uint8_t *client_id)
 {
     uint32_t i, j;
     IP_Port empty = {{{0}}, 0};
     uint32_t temp_time = unix_time();
-    for(i = 0; i < num_friends; ++i) {
+    for (i = 0; i < num_friends; ++i) {
 	     /* Equal */
         if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) {
             for(j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
@@ -789,21 +735,21 @@ void doDHTFriends()
     uint32_t rand_node;
     uint32_t index[MAX_FRIEND_CLIENTS];
     
-    for(i = 0; i < num_friends; ++i) {
+    for (i = 0; i < num_friends; ++i) {
         uint32_t num_nodes = 0;
-        for(j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
-            if(friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time) /* if node is not dead. */ {
-                if((friends_list[i].client_list[j].last_pinged + PING_INTERVAL) <= temp_time) {
+        for (j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
+            if (friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time) /* if node is not dead. */ {
+                if ((friends_list[i].client_list[j].last_pinged + PING_INTERVAL) <= temp_time) {
                     pingreq(friends_list[i].client_list[j].ip_port, friends_list[i].client_list[j].client_id);
                     friends_list[i].client_list[j].last_pinged = temp_time;
                 }
-                if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time) /* if node is good. */ {
+                if (friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time) /* if node is good. */ {
                     index[num_nodes] = j;
                     ++num_nodes;
                 }
             }
         }
-        if(friends_list[i].lastgetnode + GET_NODE_INTERVAL <= temp_time && num_nodes != 0) {
+        if (friends_list[i].lastgetnode + GET_NODE_INTERVAL <= temp_time && num_nodes != 0) {
             rand_node = rand() % num_nodes;
             getnodes(friends_list[i].client_list[index[rand_node]].ip_port, 
                      friends_list[i].client_list[index[rand_node]].client_id, 
@@ -825,23 +771,23 @@ void doClose() /* tested */
     uint32_t rand_node;
     uint32_t index[LCLIENT_LIST];
     
-    for(i = 0; i < LCLIENT_LIST; ++i) {
+    for (i = 0; i < LCLIENT_LIST; ++i) {
 	    /* if node is not dead. */
-        if(close_clientlist[i].timestamp + Kill_NODE_TIMEOUT > temp_time) {
-            if((close_clientlist[i].last_pinged + PING_INTERVAL) <= temp_time)
+        if (close_clientlist[i].timestamp + Kill_NODE_TIMEOUT > temp_time) {
+            if ((close_clientlist[i].last_pinged + PING_INTERVAL) <= temp_time)
             {
                 pingreq(close_clientlist[i].ip_port, close_clientlist[i].client_id);
                 close_clientlist[i].last_pinged = temp_time;
             }
 			/* if node is good. */
-            if(close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time) {
+            if (close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time) {
                 index[num_nodes] = i;
                 ++num_nodes;
             }
         }   
     }
     
-    if(close_lastgetnodes + GET_NODE_INTERVAL <= temp_time && num_nodes != 0) {
+    if (close_lastgetnodes + GET_NODE_INTERVAL <= temp_time && num_nodes != 0) {
         rand_node = rand() % num_nodes;
         getnodes(close_clientlist[index[rand_node]].ip_port, 
                  close_clientlist[index[rand_node]].client_id, 
@@ -850,18 +796,18 @@ void doClose() /* tested */
     }
 }
 
-void DHT_bootstrap(IP_Port ip_port, uint8_t * public_key)
+void DHT_bootstrap(IP_Port ip_port, uint8_t *public_key)
 {
     getnodes(ip_port, public_key, self_public_key);   
 }
 
 /* send the given packet to node with client_id
    returns -1 if failure */
-int route_packet(uint8_t * client_id, uint8_t * packet, uint32_t length)
+int route_packet(uint8_t *client_id, uint8_t *packet, uint32_t length)
 {
     uint32_t i;
-    for(i = 0; i < LCLIENT_LIST; ++i) {
-        if(memcmp(client_id, close_clientlist[i].client_id, CLIENT_ID_SIZE) == 0) {
+    for (i = 0; i < LCLIENT_LIST; ++i) {
+        if (memcmp(client_id, close_clientlist[i].client_id, CLIENT_ID_SIZE) == 0) {
             return sendpacket(close_clientlist[i].ip_port, packet, length);
         }
     }
@@ -873,22 +819,20 @@ int route_packet(uint8_t * client_id, uint8_t * packet, uint32_t length)
    returns the number of ips returned
    return 0 if we are connected to friend or if no ips were found.
    returns -1 if no such friend*/
-static int friend_iplist(IP_Port * ip_portlist, uint16_t friend_num)
+static int friend_iplist(IP_Port *ip_portlist, uint16_t friend_num)
 {
     int num_ips = 0;
     uint32_t i;
     uint32_t temp_time = unix_time();
-    if(friend_num >= num_friends) {
+    if (friend_num >= num_friends)
         return -1;
-    }
-    for(i = 0; i < MAX_FRIEND_CLIENTS; ++i)
-    {
+    for (i = 0; i < MAX_FRIEND_CLIENTS; ++i) {
 	    /*If ip is not zero and node is good */
-        if(friends_list[friend_num].client_list[i].ret_ip_port.ip.i != 0 && 
-            friends_list[friend_num].client_list[i].ret_timestamp + BAD_NODE_TIMEOUT > temp_time) {
-            if(memcmp(friends_list[friend_num].client_list[i].client_id, friends_list[friend_num].client_id, CLIENT_ID_SIZE) == 0 ) {
+        if (friends_list[friend_num].client_list[i].ret_ip_port.ip.i != 0 && 
+            friends_list[friend_num].client_list[i].ret_timestamp + BAD_NODE_TIMEOUT > temp_time)
+        {
+            if (memcmp(friends_list[friend_num].client_list[i].client_id, friends_list[friend_num].client_id, CLIENT_ID_SIZE) == 0)
                 return 0;
-            }
             ip_portlist[num_ips] = friends_list[friend_num].client_list[i].ret_ip_port;
             ++num_ips;
         }
@@ -898,21 +842,20 @@ static int friend_iplist(IP_Port * ip_portlist, uint16_t friend_num)
 
 /* Send the following packet to everyone who tells us they are connected to friend_id
    returns the number of nodes it sent the packet to */
-int route_tofriend(uint8_t * friend_id, uint8_t * packet, uint32_t length)
+int route_tofriend(uint8_t * friend_id, uint8_t *packet, uint32_t length)
 {
     uint32_t i, j;
     uint32_t sent = 0;
     uint32_t temp_time = unix_time();
-    for(i = 0; i < num_friends; ++i) {
+    for (i = 0; i < num_friends; ++i) {
 	    /* Equal */
-        if(memcmp(friends_list[i].client_id, friend_id, CLIENT_ID_SIZE) == 0)  {
-            for(j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
+        if (memcmp(friends_list[i].client_id, friend_id, CLIENT_ID_SIZE) == 0) {
+            for (j = 0; j < MAX_FRIEND_CLIENTS; ++j) {
 			     /*If ip is not zero and node is good */
                 if(friends_list[i].client_list[j].ret_ip_port.ip.i != 0 && 
                    friends_list[i].client_list[j].ret_timestamp + BAD_NODE_TIMEOUT > temp_time) {
-                    if(sendpacket(friends_list[i].client_list[j].ip_port, packet, length) == length) {
+                    if(sendpacket(friends_list[i].client_list[j].ip_port, packet, length) == length)
                         ++sent;
-                    }
                 }
             }
             return sent;
diff --git a/core/DHT.h b/core/DHT.h
index 966645f5..f306026e 100644
--- a/core/DHT.h
+++ b/core/DHT.h
@@ -40,13 +40,13 @@ extern "C" {
    client_id must be CLIENT_ID_SIZE bytes long.
    returns 0 if success
    returns 1 if failure (friends list is full) */
-int DHT_addfriend(uint8_t * client_id);
+int DHT_addfriend(uint8_t *client_id);
 
 /* Delete a friend from the friends list
    client_id must be CLIENT_ID_SIZE bytes long.
    returns 0 if success
    returns 1 if failure (client_id not in friends list) */
-int DHT_delfriend(uint8_t * client_id);
+int DHT_delfriend(uint8_t *client_id);
 
 /* Get ip of friend
    client_id must be CLIENT_ID_SIZE bytes long.
@@ -55,7 +55,7 @@ int DHT_delfriend(uint8_t * client_id);
    returns ip if success
    returns ip of 0 if failure (This means the friend is either offline or we have not found him yet.)
    returns ip of 1 if friend is not in list. */
-IP_Port DHT_getfriendip(uint8_t * client_id);
+IP_Port DHT_getfriendip(uint8_t *client_id);
 
 /* Run this function at least a couple times per second (It's the main loop) */
 void doDHT();
@@ -63,21 +63,21 @@ void doDHT();
 /* if we receive a DHT packet we call this function so it can be handled.
    return 0 if packet is handled correctly.
    return 1 if it didn't handle the packet or if the packet was shit. */
-int DHT_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
+int DHT_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
 
 /* Use this function to bootstrap the client
    Sends a get nodes request to the given node with ip port and public_key */
-void DHT_bootstrap(IP_Port ip_port, uint8_t * public_key);
+void DHT_bootstrap(IP_Port ip_port, uint8_t *public_key);
 
 /* ROUTING FUNCTIONS */
 
 /* send the given packet to node with client_id
    returns -1 if failure */
-int route_packet(uint8_t * client_id, uint8_t * packet, uint32_t length);
+int route_packet(uint8_t *client_id, uint8_t *packet, uint32_t length);
 
 /* Send the following packet to everyone who tells us they are connected to friend_id
    returns the number of nodes it sent the packet to */
-int route_tofriend(uint8_t * friend_id, uint8_t * packet, uint32_t length);
+int route_tofriend(uint8_t *friend_id, uint8_t *packet, uint32_t length);
 
 /* NAT PUNCHING FUNCTIONS */
 
@@ -85,7 +85,7 @@ int route_tofriend(uint8_t * friend_id, uint8_t * packet, uint32_t length);
    ip_portlist must be at least MAX_FRIEND_CLIENTS big
    returns the number of ips returned
    returns -1 if no such friend*/
-int friend_ips(IP_Port * ip_portlist, uint8_t * friend_id);
+int friend_ips(IP_Port *ip_portlist, uint8_t *friend_id);
 
 /* SAVE/LOAD functions */
 
@@ -93,12 +93,12 @@ int friend_ips(IP_Port * ip_portlist, uint8_t * friend_id);
 uint32_t DHT_size();
 
 /* save the DHT in data where data is an array of size DHT_size() */
-void DHT_save(uint8_t * data);
+void DHT_save(uint8_t *data);
 
 /* load the DHT from data of size size;
    return -1 if failure
    return 0 if success */
-int DHT_load(uint8_t * data, uint32_t size);
+int DHT_load(uint8_t *data, uint32_t size);
 
 /* returns 0 if we are not connected to the DHT
    returns 1 if we are */
diff --git a/core/LAN_discovery.c b/core/LAN_discovery.c
index 3cfcb067..1ac13c33 100644
--- a/core/LAN_discovery.c
+++ b/core/LAN_discovery.c
@@ -37,24 +37,24 @@ IP broadcast_ip()
   return -1 if it is not */
 int LAN_ip(IP ip)
 {
-    if(ip.c[0] == 127)/* Loopback */
+    if (ip.c[0] == 127)/* Loopback */
         return 0;
-    if(ip.c[0] == 10)/* 10.0.0.0 to 10.255.255.255 range */
+    if (ip.c[0] == 10)/* 10.0.0.0 to 10.255.255.255 range */
         return 0;
-    if(ip.c[0] == 172 && ip.c[1] >= 16 && ip.c[1] <= 31)/* 172.16.0.0 to 172.31.255.255 range */
+    if (ip.c[0] == 172 && ip.c[1] >= 16 && ip.c[1] <= 31)/* 172.16.0.0 to 172.31.255.255 range */
         return 0;
-    if(ip.c[0] == 192 && ip.c[1] == 168) /* 192.168.0.0 to 192.168.255.255 range */
+    if (ip.c[0] == 192 && ip.c[1] == 168) /* 192.168.0.0 to 192.168.255.255 range */
         return 0;
-    if(ip.c[0] == 169 && ip.c[1] == 254 && ip.c[2] != 0 && ip.c[2] != 255)/* 169.254.1.0 to 169.254.254.255 range */
+    if (ip.c[0] == 169 && ip.c[1] == 254 && ip.c[2] != 0 && ip.c[2] != 255)/* 169.254.1.0 to 169.254.254.255 range */
         return 0;
     return -1;
 }
 
-int handle_LANdiscovery(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_LANdiscovery(uint8_t *packet, uint32_t length, IP_Port source)
 {
-    if(LAN_ip(source.ip) == -1)
+    if (LAN_ip(source.ip) == -1)
         return 1;
-    if(length != crypto_box_PUBLICKEYBYTES + 1)
+    if (length != crypto_box_PUBLICKEYBYTES + 1)
         return 1;
     DHT_bootstrap(source, packet + 1);
     return 0;
@@ -71,9 +71,9 @@ int send_LANdiscovery(uint16_t port)
 }
 
 
-int LANdiscovery_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
+int LANdiscovery_handlepacket(uint8_t *packet, uint32_t length, IP_Port source)
 {
-    if(packet[0] == 32)
+    if (packet[0] == 32)
         return handle_LANdiscovery(packet, length, source);
     return 1;
 }
diff --git a/core/LAN_discovery.h b/core/LAN_discovery.h
index 655830f9..cca5bd30 100644
--- a/core/LAN_discovery.h
+++ b/core/LAN_discovery.h
@@ -39,7 +39,7 @@ int send_LANdiscovery(uint16_t port);
 /* if we receive a packet we call this function so it can be handled.
    return 0 if packet is handled correctly.
    return 1 if it didn't handle the packet or if the packet was shit. */
-int LANdiscovery_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
+int LANdiscovery_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
 
 
 
diff --git a/core/Lossless_UDP.c b/core/Lossless_UDP.c
index 43f61b5b..f9d20b2f 100644
--- a/core/Lossless_UDP.c
+++ b/core/Lossless_UDP.c
@@ -44,14 +44,12 @@ timeout per connection is randomly set between CONNEXION_TIMEOUT and 2*CONNEXION
 /* initial send rate of data. */
 #define DATA_SYNC_RATE 30
 
-typedef struct
-{
+typedef struct {
     uint8_t data[MAX_DATA_SIZE];
     uint16_t size;
 }Data;
 
-typedef struct
-{
+typedef struct {
     IP_Port ip_port;
     uint8_t status; /* 0 if connection is dead, 1 if attempting handshake, 
                        2 if handshake is done (we start sending SYNC packets)
@@ -97,13 +95,13 @@ static Connection connections[MAX_CONNECTIONS];
 /* get connection id from IP_Port
    return -1 if there are no connections like we are looking for
    return id if it found it */
-int getconnection_id(IP_Port ip_port)
-{
+int getconnection_id(IP_Port ip_port) {
     uint32_t i;
-    for(i = 0; i < MAX_CONNECTIONS; ++i)
-            if(connections[i].ip_port.ip.i == ip_port.ip.i && 
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].ip_port.ip.i == ip_port.ip.i && 
             connections[i].ip_port.port == ip_port.port && connections[i].status > 0)
-                    return i;
+            return i;
+    }
     return -1;
 }
 
@@ -116,12 +114,12 @@ static uint32_t randtable[6][256];
 uint32_t handshake_id(IP_Port source)
 {
     uint32_t id = 0, i;
-    for(i = 0; i < 6; ++i) {
+    for (i = 0; i < 6; ++i) {
         if(randtable[i][((uint8_t *)&source)[i]] == 0)
             randtable[i][((uint8_t *)&source)[i]] = random_int();
         id ^= randtable[i][((uint8_t *)&source)[i]];
     }
-    if(id == 0) /* id can't be zero */
+    if (id == 0) /* id can't be zero */
         id = 1;
     return id;
 }
@@ -141,10 +139,10 @@ void change_handshake(IP_Port source)
 int new_connection(IP_Port ip_port)
 {
     int connect = getconnection_id(ip_port);
-    if(connect != -1)
+    if (connect != -1)
         return connect;
     uint32_t i;
-    for(i = 0; i < MAX_CONNECTIONS; ++i) {
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
         if(connections[i].status == 0) {
             memset(&connections[i], 0, sizeof(Connection));
             connections[i].ip_port = ip_port;
@@ -173,11 +171,11 @@ int new_connection(IP_Port ip_port)
    return -1 if it could not initialize the connection. */
 int new_inconnection(IP_Port ip_port)
 {
-    if(getconnection_id(ip_port) != -1)
+    if (getconnection_id(ip_port) != -1)
         return -1;
     uint32_t i;
-    for(i = 0; i < MAX_CONNECTIONS; ++i) {
-        if(connections[i].status == 0) {
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].status == 0) {
             memset(&connections[i], 0, sizeof(Connection));
             connections[i].ip_port = ip_port;
             connections[i].status = 2;
@@ -202,11 +200,12 @@ int new_inconnection(IP_Port ip_port)
 int incoming_connection()
 {
     uint32_t i;
-    for(i = 0; i < MAX_CONNECTIONS; ++i)
-        if(connections[i].inbound == 2) {
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].inbound == 2) {
             connections[i].inbound = 1;
             return i;
         }
+    }
     return -1;
 }
 
@@ -214,12 +213,13 @@ int incoming_connection()
    return 0 if killed successfully */
 int kill_connection(int connection_id)
 {
-    if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
-        if(connections[connection_id].status > 0) {
-                connections[connection_id].status = 0;
-                change_handshake(connections[connection_id].ip_port);
-                return 0;
+    if (connection_id >= 0 && connection_id < MAX_CONNECTIONS) {
+        if (connections[connection_id].status > 0) {
+            connections[connection_id].status = 0;
+            change_handshake(connections[connection_id].ip_port);
+            return 0;
         }
+    }
     return -1;
 }
 
@@ -228,11 +228,12 @@ int kill_connection(int connection_id)
    return 0 if it will kill it */
 int kill_connection_in(int connection_id, uint32_t seconds)
 {
-    if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
-        if(connections[connection_id].status > 0) {
-                connections[connection_id].killat = current_time() + 1000000UL*seconds;
-                return 0;
+    if (connection_id >= 0 && connection_id < MAX_CONNECTIONS) {
+        if (connections[connection_id].status > 0) {
+            connections[connection_id].killat = current_time() + 1000000UL*seconds;
+            return 0;
         }
+    }
     return -1;
 }
 
@@ -244,7 +245,7 @@ int kill_connection_in(int connection_id, uint32_t seconds)
    return 4 if timed out and waiting to be killed */
 int is_connected(int connection_id)
 {
-    if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
+    if (connection_id >= 0 && connection_id < MAX_CONNECTIONS)
         return connections[connection_id].status;
     return 0;
 }
@@ -252,7 +253,7 @@ int is_connected(int connection_id)
 /* returns the ip_port of the corresponding connection. */
 IP_Port connection_ip(int connection_id)
 {
-    if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
+    if (connection_id >= 0 && connection_id < MAX_CONNECTIONS)
         return connections[connection_id].ip_port;
     IP_Port zero = {{{0}}, 0};
     return zero;
@@ -274,7 +275,7 @@ uint32_t recvqueue(int connection_id)
    return -1 if no packet in queue */
 char id_packet(int connection_id)
 {
-    if(recvqueue(connection_id) != 0 && connections[connection_id].status != 0)
+    if (recvqueue(connection_id) != 0 && connections[connection_id].status != 0)
         return connections[connection_id].recvbuffer[connections[connection_id].successful_read % MAX_QUEUE_NUM].data[0];
     return -1;
 }
@@ -283,7 +284,7 @@ char id_packet(int connection_id)
    return length of received packet if successful */
 int read_packet(int connection_id, uint8_t * data)
 {
-    if(recvqueue(connection_id) != 0) {
+    if (recvqueue(connection_id) != 0) {
         uint16_t index = connections[connection_id].successful_read % MAX_QUEUE_NUM;
         uint16_t size = connections[connection_id].recvbuffer[index].size;
         memcpy(data, connections[connection_id].recvbuffer[index].data, size);
@@ -298,11 +299,11 @@ int read_packet(int connection_id, uint8_t * data)
    return 1 if data was put into the queue */
 int write_packet(int connection_id, uint8_t * data, uint32_t length)
 {
-    if(length > MAX_DATA_SIZE)
+    if (length > MAX_DATA_SIZE)
         return 0;
-    if(length == 0)
+    if (length == 0)
         return 0;
-    if(sendqueue(connection_id) <  BUFFER_PACKET_NUM) {
+    if (sendqueue(connection_id) <  BUFFER_PACKET_NUM) {
         uint32_t index = connections[connection_id].sendbuff_packetnum % MAX_QUEUE_NUM;
         memcpy(connections[connection_id].sendbuffer[index].data, data, length);
         connections[connection_id].sendbuffer[index].size = length;
@@ -318,14 +319,15 @@ uint32_t missing_packets(int connection_id, uint32_t * requested)
     uint32_t number = 0;
     uint32_t i;
     uint32_t temp;
-    if(recvqueue(connection_id) >= (BUFFER_PACKET_NUM - 1)) /* don't request packets if the buffer is full. */
+    if (recvqueue(connection_id) >= (BUFFER_PACKET_NUM - 1)) /* don't request packets if the buffer is full. */
         return 0;
-    for(i = connections[connection_id].recv_packetnum; i != connections[connection_id].osent_packetnum; i++ )
+    for (i = connections[connection_id].recv_packetnum; i != connections[connection_id].osent_packetnum; i++) {
         if(connections[connection_id].recvbuffer[i % MAX_QUEUE_NUM].size == 0) {
             temp = htonl(i);
             memcpy(requested + number, &temp, 4);
             ++number;
         }
+    }
     if(number == 0)
         connections[connection_id].recv_packetnum = connections[connection_id].osent_packetnum;
     return number;
@@ -393,14 +395,14 @@ int send_DATA(uint32_t connection_id)
 {
     int ret;
     uint32_t buffer[BUFFER_PACKET_NUM];
-    if(connections[connection_id].num_req_paquets > 0) {  
+    if (connections[connection_id].num_req_paquets > 0) {  
         ret = send_data_packet(connection_id, connections[connection_id].req_packets[0]);
         connections[connection_id].num_req_paquets--;
         memcpy(buffer, connections[connection_id].req_packets + 1, connections[connection_id].num_req_paquets * 4);
         memcpy(connections[connection_id].req_packets, buffer, connections[connection_id].num_req_paquets * 4);
         return ret;
     }
-    if(connections[connection_id].sendbuff_packetnum != connections[connection_id].sent_packetnum) {
+    if (connections[connection_id].sendbuff_packetnum != connections[connection_id].sent_packetnum) {
         ret = send_data_packet(connection_id, connections[connection_id].sent_packetnum);
         connections[connection_id].sent_packetnum++;
         return ret;
@@ -415,7 +417,7 @@ int send_DATA(uint32_t connection_id)
    return 0 if handled correctly, 1 if packet is bad. */
 int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
 {    
-    if(length != (1 + 4 + 4))
+    if (length != (1 + 4 + 4))
             return 1;
     uint32_t temp;
     uint32_t handshake_id1, handshake_id2;
@@ -425,13 +427,13 @@ int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
     memcpy(&temp, packet + 5, 4);
     handshake_id2 = ntohl(temp);
     
-    if(handshake_id2 == 0) {
+    if (handshake_id2 == 0) {
         send_handshake(source, handshake_id(source), handshake_id1);
         return 0;
     }
-    if(is_connected(connection) != 1)
+    if (is_connected(connection) != 1)
         return 1;
-    if(handshake_id2 == connections[connection].handshake_id1) { /* if handshake_id2 is what we sent previously as handshake_id1 */
+    if (handshake_id2 == connections[connection].handshake_id1) { /* if handshake_id2 is what we sent previously as handshake_id1 */
         connections[connection].status = 2;
         /* NOTE: is this necessary?
         connections[connection].handshake_id2 = handshake_id1; */
@@ -448,10 +450,10 @@ int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
    0 if not. */
 int SYNC_valid(uint32_t length)
 {
-    if(length < 4 + 4 + 2)
+    if (length < 4 + 4 + 2)
         return 0;
-    if(length > (BUFFER_PACKET_NUM*4 + 4 + 4 + 2) || 
-    ((length - 4 - 4 - 2) % 4) != 0)
+    if (length > (BUFFER_PACKET_NUM*4 + 4 + 4 + 2) || 
+        ((length - 4 - 4 - 2) % 4) != 0)
         return 0;
     return 1;
 }
@@ -459,9 +461,9 @@ int SYNC_valid(uint32_t length)
 /* case 1: */
 int handle_SYNC1(IP_Port source, uint32_t recv_packetnum, uint32_t sent_packetnum)
 {
-    if(handshake_id(source) == recv_packetnum) {
+    if (handshake_id(source) == recv_packetnum) {
         int x = new_inconnection(source);
-        if(x != -1) {
+        if (x != -1) {
             connections[x].orecv_packetnum = recv_packetnum;
             connections[x].sent_packetnum = recv_packetnum;
             connections[x].sendbuff_packetnum = recv_packetnum;
@@ -479,7 +481,7 @@ int handle_SYNC1(IP_Port source, uint32_t recv_packetnum, uint32_t sent_packetnu
 /* case 2: */
 int handle_SYNC2(int connection_id, uint8_t counter, uint32_t recv_packetnum, uint32_t sent_packetnum)
 {
-    if(recv_packetnum == connections[connection_id].orecv_packetnum) {
+    if (recv_packetnum == connections[connection_id].orecv_packetnum) {
        /* && sent_packetnum == connections[connection_id].osent_packetnum) */
         connections[connection_id].status =  3;
         connections[connection_id].recv_counter = counter;
@@ -499,14 +501,14 @@ int handle_SYNC3(int connection_id, uint8_t counter, uint32_t recv_packetnum, ui
        uint32_t comp_2 = (sent_packetnum - connections[connection_id].successful_read); */
     uint32_t comp_1 = (recv_packetnum - connections[connection_id].orecv_packetnum);
     uint32_t comp_2 = (sent_packetnum - connections[connection_id].osent_packetnum);
-    if(comp_1 <= BUFFER_PACKET_NUM && comp_2 <= BUFFER_PACKET_NUM && comp_counter < 10 && comp_counter != 0) { /* packet valid */
+    if (comp_1 <= BUFFER_PACKET_NUM && comp_2 <= BUFFER_PACKET_NUM && comp_counter < 10 && comp_counter != 0) { /* packet valid */
         connections[connection_id].orecv_packetnum = recv_packetnum;
         connections[connection_id].osent_packetnum = sent_packetnum;
         connections[connection_id].successful_sent = recv_packetnum;
         connections[connection_id].last_recvSYNC = current_time();
         connections[connection_id].recv_counter = counter;
         ++connections[connection_id].send_counter;
-        for(i = 0; i < number; ++i) {
+        for (i = 0; i < number; ++i) {
             temp = ntohl(req_packets[i]);
             memcpy(connections[connection_id].req_packets + i, &temp, 4 * number);
         }
@@ -516,10 +518,10 @@ int handle_SYNC3(int connection_id, uint8_t counter, uint32_t recv_packetnum, ui
     return 1;
 }
 
-int handle_SYNC(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_SYNC(uint8_t *packet, uint32_t length, IP_Port source)
 {
 
-    if(!SYNC_valid(length))
+    if (!SYNC_valid(length))
         return 1;   
     int connection = getconnection_id(source);
     uint8_t counter;
@@ -533,39 +535,39 @@ int handle_SYNC(uint8_t * packet, uint32_t length, IP_Port source)
     recv_packetnum = ntohl(temp);
     memcpy(&temp,packet + 6,  4);
     sent_packetnum = ntohl(temp);
-    if(number != 0)
+    if (number != 0)
         memcpy(req_packets, packet + 10,  4 * number);
-    if(connection == -1)
+    if (connection == -1)
         return handle_SYNC1(source, recv_packetnum, sent_packetnum);
-    if(connections[connection].status ==  2)
+    if (connections[connection].status ==  2)
         return handle_SYNC2(connection, counter, recv_packetnum, sent_packetnum);
-    if(connections[connection].status ==  3)
+    if (connections[connection].status ==  3)
         return handle_SYNC3(connection, counter, recv_packetnum, sent_packetnum, req_packets, number);
     return 0;
 }
 
 /* add a packet to the received buffer and set the recv_packetnum of the connection to its proper value.
    return 1 if data was too big, 0 if not. */
-int add_recv(int connection_id, uint32_t data_num, uint8_t * data, uint16_t size)
+int add_recv(int connection_id, uint32_t data_num, uint8_t *data, uint16_t size)
 {
-    if(size > MAX_DATA_SIZE)
+    if (size > MAX_DATA_SIZE)
         return 1;
 
     uint32_t i;
     uint32_t maxnum = connections[connection_id].successful_read + BUFFER_PACKET_NUM;
     uint32_t sent_packet = data_num - connections[connection_id].osent_packetnum;
-    for(i =  connections[connection_id].recv_packetnum; i != maxnum; ++i) {    
-        if(i == data_num) {
+    for (i = connections[connection_id].recv_packetnum; i != maxnum; ++i) {    
+        if (i == data_num) {
             memcpy(connections[connection_id].recvbuffer[i % MAX_QUEUE_NUM].data, data, size);
             connections[connection_id].recvbuffer[i % MAX_QUEUE_NUM].size = size;
             connections[connection_id].last_recvdata = current_time();
-            if(sent_packet < BUFFER_PACKET_NUM)
+            if (sent_packet < BUFFER_PACKET_NUM)
                 connections[connection_id].osent_packetnum = data_num;
             break;
         }
     }
-    for(i = connections[connection_id].recv_packetnum; i != maxnum; ++i) {
-        if(connections[connection_id].recvbuffer[i % MAX_QUEUE_NUM].size != 0)
+    for (i = connections[connection_id].recv_packetnum; i != maxnum; ++i) {
+        if (connections[connection_id].recvbuffer[i % MAX_QUEUE_NUM].size != 0)
              connections[connection_id].recv_packetnum = i;
         else
             break;
@@ -574,17 +576,17 @@ int add_recv(int connection_id, uint32_t data_num, uint8_t * data, uint16_t size
     return 0;
 }
 
-int handle_data(uint8_t * packet, uint32_t length, IP_Port source)
+int handle_data(uint8_t *packet, uint32_t length, IP_Port source)
 {
     int connection = getconnection_id(source);
 
-    if(connection == -1)
+    if (connection == -1)
         return 1;
 
-    if(connections[connection].status != 3) /* Drop the data packet if connection is not connected. */
+    if (connections[connection].status != 3) /* Drop the data packet if connection is not connected. */
         return 1;
 
-    if(length > 1 + 4 + MAX_DATA_SIZE || length < 1 + 4 + 1)
+    if (length > 1 + 4 + MAX_DATA_SIZE || length < 1 + 4 + 1)
         return 1;
     uint32_t temp;
     uint32_t number;
@@ -597,9 +599,9 @@ int handle_data(uint8_t * packet, uint32_t length, IP_Port source)
 
 /* END of packet handling functions */
 
-int LosslessUDP_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
+int LosslessUDP_handlepacket(uint8_t *packet, uint32_t length, IP_Port source)
 {
-    switch (packet[0]) {
+    switch (packet[0]) { //TODO: check if no break statement is correct???
     case 16:
         return handle_handshake(packet, length, source);   
 
@@ -622,19 +624,19 @@ void doNew()
 {
     uint32_t i;
     uint64_t temp_time = current_time();
-    for(i = 0; i < MAX_CONNECTIONS; ++i) {
-        if(connections[i].status == 1)
-            if((connections[i].last_sent + (1000000UL/connections[i].SYNC_rate)) <= temp_time) {
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].status == 1)
+            if ((connections[i].last_sent + (1000000UL/connections[i].SYNC_rate)) <= temp_time) {
                send_handshake(connections[i].ip_port, connections[i].handshake_id1, 0);
                connections[i].last_sent = temp_time;
             }
 
         /* kill all timed out connections */
-        if( connections[i].status > 0 && (connections[i].last_recvSYNC + connections[i].timeout * 1000000UL) < temp_time && 
+        if ( connections[i].status > 0 && (connections[i].last_recvSYNC + connections[i].timeout * 1000000UL) < temp_time && 
             connections[i].status != 4)
             /* kill_connection(i); */
             connections[i].status = 4;
-        if(connections[i].status > 0 && connections[i].killat < temp_time)
+        if (connections[i].status > 0 && connections[i].killat < temp_time)
             kill_connection(i);
     }
 }
@@ -643,9 +645,9 @@ void doSYNC()
 {
     uint32_t i;
     uint64_t temp_time = current_time();
-    for(i = 0; i < MAX_CONNECTIONS; ++i) {
-        if(connections[i].status == 2 || connections[i].status == 3)
-            if((connections[i].last_SYNC + (1000000UL/connections[i].SYNC_rate)) <= temp_time) {
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].status == 2 || connections[i].status == 3)
+            if ((connections[i].last_SYNC + (1000000UL/connections[i].SYNC_rate)) <= temp_time) {
                send_SYNC(i);
                connections[i].last_SYNC = temp_time;
             }
@@ -657,10 +659,10 @@ void doData()
     uint32_t i;
     uint64_t j;
     uint64_t temp_time = current_time();
-    for(i = 0; i < MAX_CONNECTIONS; ++i)
-        if(connections[i].status == 3 && sendqueue(i) != 0)
-            if((connections[i].last_sent + (1000000UL/connections[i].data_rate)) <= temp_time) {
-                for(j = connections[i].last_sent; j < temp_time; j +=  (1000000UL/connections[i].data_rate))
+    for (i = 0; i < MAX_CONNECTIONS; ++i)
+        if (connections[i].status == 3 && sendqueue(i) != 0)
+            if ((connections[i].last_sent + (1000000UL/connections[i].data_rate)) <= temp_time) {
+                for (j = connections[i].last_sent; j < temp_time; j +=  (1000000UL/connections[i].data_rate))
                     send_DATA(i);
                 connections[i].last_sent = temp_time;
             }
@@ -675,15 +677,15 @@ void adjustRates()
 {
     uint32_t i;
     uint64_t temp_time = current_time();
-    for(i = 0; i < MAX_CONNECTIONS; ++i) {
-        if(connections[i].status == 1 || connections[i].status == 2)
+    for (i = 0; i < MAX_CONNECTIONS; ++i) {
+        if (connections[i].status == 1 || connections[i].status == 2)
             connections[i].SYNC_rate = MAX_SYNC_RATE;
-        if(connections[i].status == 3) {
-            if(sendqueue(i) != 0) {
+        if (connections[i].status == 3) {
+            if (sendqueue(i) != 0) {
                  connections[i].data_rate = (BUFFER_PACKET_NUM - connections[i].num_req_paquets) * MAX_SYNC_RATE;
                  connections[i].SYNC_rate = MAX_SYNC_RATE;
             }
-            else if(connections[i].last_recvdata + 1000000UL > temp_time)
+            else if (connections[i].last_recvdata + 1000000UL > temp_time)
                 connections[i].SYNC_rate = MAX_SYNC_RATE;
             else
                 connections[i].SYNC_rate = SYNC_RATE;
diff --git a/core/Lossless_UDP.h b/core/Lossless_UDP.h
index a9f1bb15..d27fea79 100644
--- a/core/Lossless_UDP.h
+++ b/core/Lossless_UDP.h
@@ -69,11 +69,11 @@ char id_packet(int connection_id);
 
 /* return 0 if there is no received data in the buffer.
    return length of received packet if successful */
-int read_packet(int connection_id, uint8_t * data);
+int read_packet(int connection_id, uint8_t *data);
 
 /* return 0 if data could not be put in packet queue
    return 1 if data was put into the queue */
-int write_packet(int connection_id, uint8_t * data, uint32_t length);
+int write_packet(int connection_id, uint8_t *data, uint32_t length);
 
 /* returns the number of packets in the queue waiting to be successfully sent. */
 uint32_t sendqueue(int connection_id);
@@ -97,7 +97,7 @@ void doLossless_UDP();
 /* if we receive a Lossless_UDP packet we call this function so it can be handled.
    return 0 if packet is handled correctly.
    return 1 if it didn't handle the packet or if the packet was shit. */
-int LosslessUDP_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
+int LosslessUDP_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
 
 #ifdef __cplusplus
 }
diff --git a/core/Messenger.c b/core/Messenger.c
index 69d33172..fd95869f 100644
--- a/core/Messenger.c
+++ b/core/Messenger.c
@@ -24,8 +24,7 @@
 #include "Messenger.h"
 #define MIN(a,b) (((a)<(b))?(a):(b))
  
-typedef struct
-{
+typedef struct {
     uint8_t client_id[CLIENT_ID_SIZE];
     int crypt_connection_id;
     int friend_request_id; /* id of the friend request corresponding to the current friend request to the current friend. */
@@ -37,7 +36,7 @@ typedef struct
     uint16_t userstatus_length;
     uint8_t userstatus_sent;
     uint16_t info_size; /* length of the info */
-}Friend;
+} Friend;
 
 uint8_t self_public_key[crypto_box_PUBLICKEYBYTES];
 
@@ -57,14 +56,15 @@ static uint32_t numfriends;
 
 /* return the friend id associated to that public key.
    return -1 if no such friend */
-int getfriend_id(uint8_t * client_id)
+int getfriend_id(uint8_t *client_id)
 {
     uint32_t i;
 
-    for(i = 0; i < numfriends; ++i)
-        if(friendlist[i].status > 0)
-            if(memcmp(client_id, friendlist[i].client_id, crypto_box_PUBLICKEYBYTES) == 0)
+    for (i = 0; i < numfriends; ++i) {
+        if (friendlist[i].status > 0)
+            if (memcmp(client_id, friendlist[i].client_id, crypto_box_PUBLICKEYBYTES) == 0)
                 return i;
+    }
 
     return -1;
 }
@@ -73,12 +73,12 @@ int getfriend_id(uint8_t * client_id)
    make sure that client_id is of size CLIENT_ID_SIZE.
    return 0 if success
    return -1 if failure. */
-int getclient_id(int friend_id, uint8_t * client_id)
+int getclient_id(int friend_id, uint8_t *client_id)
 {
-    if(friend_id >= numfriends || friend_id < 0)
+    if (friend_id >= numfriends || friend_id < 0)
         return -1;
 
-    if(friendlist[friend_id].status > 0) {
+    if (friendlist[friend_id].status > 0) {
         memcpy(client_id, friendlist[friend_id].client_id, CLIENT_ID_SIZE);
         return 0;
     }
@@ -92,20 +92,18 @@ int getclient_id(int friend_id, uint8_t * client_id)
    data is the data and length is the length
    returns the friend number if success
    return -1 if failure. */
-int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length)
+int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length)
 {
-    if(length == 0 || length >=
+    if (length == 0 || length >=
             (MAX_DATA_SIZE - crypto_box_PUBLICKEYBYTES - crypto_box_NONCEBYTES - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES))
         return -1;
-    if(memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
+    if (memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
         return -1;
-    if(getfriend_id(client_id) != -1)
+    if (getfriend_id(client_id) != -1)
         return -1;
     uint32_t i;
-    for(i = 0; i <= numfriends; ++i)
-    {
-        if(friendlist[i].status == 0)
-        {
+    for (i = 0; i <= numfriends; ++i) {
+        if(friendlist[i].status == 0) {
             DHT_addfriend(client_id);
             friendlist[i].status = 1;
             friendlist[i].crypt_connection_id = -1;
@@ -125,13 +123,11 @@ int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length)
 
 int m_addfriend_norequest(uint8_t * client_id)
 {
-    if(getfriend_id(client_id) != -1)
+    if (getfriend_id(client_id) != -1)
         return -1;
     uint32_t i;
-    for(i = 0; i <= numfriends; ++i)
-    {
-        if(friendlist[i].status == 0)
-        {
+    for (i = 0; i <= numfriends; ++i) {
+        if(friendlist[i].status == 0) {
             DHT_addfriend(client_id);
             friendlist[i].status = 2;
             friendlist[i].crypt_connection_id = -1;
@@ -151,7 +147,7 @@ int m_addfriend_norequest(uint8_t * client_id)
    return -1 if failure */
 int m_delfriend(int friendnumber)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
 
     DHT_delfriend(friendlist[friendnumber].client_id);
@@ -159,9 +155,10 @@ int m_delfriend(int friendnumber)
     free(friendlist[friendnumber].userstatus);
     memset(&friendlist[friendnumber], 0, sizeof(Friend));
     uint32_t i;
-    for(i = numfriends; i != 0; --i)
-        if(friendlist[i].status != 0)
+    for (i = numfriends; i != 0; --i) {
+        if (friendlist[i].status != 0)
             break;
+    }
     numfriends = i;
     return 0;
 }
@@ -173,7 +170,7 @@ int m_delfriend(int friendnumber)
    return 0 if there is no friend with that number */
 int m_friendstatus(int friendnumber)
 {
-    if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
+    if (friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
         return 0;
     return friendlist[friendnumber].status;
 }
@@ -181,11 +178,11 @@ int m_friendstatus(int friendnumber)
 /* send a text chat message to an online friend
    return 1 if packet was successfully put into the send queue
    return 0 if it was not */
-int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length)
+int m_sendmessage(int friendnumber, uint8_t *message, uint32_t length)
 {
-    if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
+    if (friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
         return 0;
-    if(length >= MAX_DATA_SIZE || friendlist[friendnumber].status != 4)
+    if (length >= MAX_DATA_SIZE || friendlist[friendnumber].status != 4)
     /* this does not mean the maximum message length is MAX_DATA_SIZE - 1, it is actually 17 bytes less. */
         return 0;
     uint8_t temp[MAX_DATA_SIZE];
@@ -208,7 +205,7 @@ static int m_sendname(int friendnumber, uint8_t * name)
    return -1 if failure */
 static int setfriendname(int friendnumber, uint8_t * name)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
     memcpy(friendlist[friendnumber].name, name, MAX_NAME_LENGTH);
     return 0;
@@ -220,11 +217,11 @@ static int setfriendname(int friendnumber, uint8_t * name)
    return -1 if failure */
 int setname(uint8_t * name, uint16_t length)
 {
-    if(length > MAX_NAME_LENGTH)
+    if (length > MAX_NAME_LENGTH)
         return -1;
     memcpy(self_name, name, length);
     uint32_t i;
-    for(i = 0; i < numfriends; ++i)
+    for (i = 0; i < numfriends; ++i)
         friendlist[i].name_sent = 0;
     return 0;
 }
@@ -236,7 +233,7 @@ int setname(uint8_t * name, uint16_t length)
    return -1 if failure */
 int getname(int friendnumber, uint8_t * name)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
     memcpy(name, friendlist[friendnumber].name, MAX_NAME_LENGTH);
     return 0;
@@ -244,7 +241,7 @@ int getname(int friendnumber, uint8_t * name)
 
 int m_set_userstatus(uint8_t *status, uint16_t length)
 {
-    if(length > MAX_USERSTATUS_LENGTH)
+    if (length > MAX_USERSTATUS_LENGTH)
         return -1;
     uint8_t *newstatus = calloc(length, 1);
     memcpy(newstatus, status, length);
@@ -253,7 +250,7 @@ int m_set_userstatus(uint8_t *status, uint16_t length)
     self_userstatus_len = length;
 
     uint32_t i;
-    for(i = 0; i < numfriends; ++i)
+    for (i = 0; i < numfriends; ++i)
         friendlist[i].userstatus_sent = 0;
     return 0;
 }
@@ -262,7 +259,7 @@ int m_set_userstatus(uint8_t *status, uint16_t length)
     guaranteed to be at most MAX_USERSTATUS_LENGTH */
 int m_get_userstatus_size(int friendnumber)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
     return friendlist[friendnumber].userstatus_length;
 }
@@ -271,7 +268,7 @@ int m_get_userstatus_size(int friendnumber)
     bytes, use m_get_userstatus_size to find out how much you need to allocate */
 int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
     memset(buf, 0, maxlen);
     memcpy(buf, friendlist[friendnumber].userstatus, MIN(maxlen, MAX_USERSTATUS_LENGTH) - 1);
@@ -290,7 +287,7 @@ static int send_userstatus(int friendnumber, uint8_t * status, uint16_t length)
 
 static int set_friend_userstatus(int friendnumber, uint8_t * status, uint16_t length)
 {
-    if(friendnumber >= numfriends || friendnumber < 0)
+    if (friendnumber >= numfriends || friendnumber < 0)
         return -1;
     uint8_t *newstatus = calloc(length, 1);
     memcpy(newstatus, status, length);
@@ -350,35 +347,29 @@ int initMessenger()
     return 0;
 }
 
+//TODO: make this function not suck.
 static void doFriends()
 {/* TODO: add incoming connections and some other stuff. */
     uint32_t i;
     int len;
     uint8_t temp[MAX_DATA_SIZE];
-    for(i = 0; i < numfriends; ++i)
-    {
-        if(friendlist[i].status == 1)
-        {
+    for (i = 0; i < numfriends; ++i) {
+        if (friendlist[i].status == 1) {
             int fr = send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size);
-            if(fr == 0) /* TODO: This needs to be fixed so that it sends the friend requests a couple of times in case
-                                of packet loss */
+            if (fr == 0) /* TODO: This needs to be fixed so that it sends the friend requests a couple of times in case of packet loss */
                 friendlist[i].status = 2;
-            else 
-            if(fr > 0)
+            else if (fr > 0)
                 friendlist[i].status = 2;
         }
-        if(friendlist[i].status == 2 || friendlist[i].status == 3) /* friend is not online */
-        {
-            if(friendlist[i].status == 2)
-            {
-                if(friendlist[i].friend_request_id + 10 < unix_time()) /*I know this is hackish but it should work.*/
-                {
+        if (friendlist[i].status == 2 || friendlist[i].status == 3) { /* friend is not online */
+            if (friendlist[i].status == 2) {
+                if (friendlist[i].friend_request_id + 10 < unix_time()) { /*I know this is hackish but it should work.*/
                     send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size);
                     friendlist[i].friend_request_id = unix_time();
                 }
             }
             IP_Port friendip = DHT_getfriendip(friendlist[i].client_id);
-            switch(is_cryptoconnected(friendlist[i].crypt_connection_id)) {
+            switch (is_cryptoconnected(friendlist[i].crypt_connection_id)) {
                 case 0:
                     if (friendip.ip.i > 1)
                         friendlist[i].crypt_connection_id = crypto_connect(friendlist[i].client_id, friendip);
@@ -394,24 +385,23 @@ static void doFriends()
                     break;
             }
         }
-        while(friendlist[i].status == 4) /* friend is online */
-        {
-            if(friendlist[i].name_sent == 0)
-                if(m_sendname(i, self_name))
+        while (friendlist[i].status == 4) { /* friend is online */
+            if (friendlist[i].name_sent == 0) {
+                if (m_sendname(i, self_name))
                     friendlist[i].name_sent = 1;
-            if(friendlist[i].userstatus_sent == 0)
-                if(send_userstatus(i, self_userstatus, self_userstatus_len))
+            }
+            if (friendlist[i].userstatus_sent == 0) {
+                if (send_userstatus(i, self_userstatus, self_userstatus_len))
                     friendlist[i].userstatus_sent = 1;
+            }
             len = read_cryptpacket(friendlist[i].crypt_connection_id, temp);
-            if(len > 0)
-            {
-                switch(temp[0]) {
+            if (len > 0) {
+                switch (temp[0]) {
                     case PACKET_ID_NICKNAME: {
-                        if (len != MAX_NAME_LENGTH + 1) break;
+                        if (len != MAX_NAME_LENGTH + 1)
+                           break;
                         if(friend_namechange_isset)
-                        {
                             friend_namechange(i, temp + 1, MAX_NAME_LENGTH); /* TODO: use the actual length */
-                        }
                         memcpy(friendlist[i].name, temp + 1, MAX_NAME_LENGTH);
                         friendlist[i].name[MAX_NAME_LENGTH - 1] = 0; /* make sure the NULL terminator is present. */
                         break;
@@ -419,25 +409,21 @@ static void doFriends()
                     case PACKET_ID_USERSTATUS: {
                         uint8_t *status = calloc(MIN(len - 1, MAX_USERSTATUS_LENGTH), 1);
                         memcpy(status, temp + 1, MIN(len - 1, MAX_USERSTATUS_LENGTH));
-                        if(friend_statuschange_isset)
-                        {
-                            friend_statuschange(i, status, MIN(len - 1, MAX_USERSTATUS_LENGTH));
-                        }
+                        if (friend_statuschange_isset)
+                           friend_statuschange(i, status, MIN(len - 1, MAX_USERSTATUS_LENGTH));
                         set_friend_userstatus(i, status, MIN(len - 1, MAX_USERSTATUS_LENGTH));
                         free(status);
                         break;
                     }
                     case PACKET_ID_MESSAGE: {
-                        if(friend_message_isset)
+                        if (friend_message_isset)
                             (*friend_message)(i, temp + 1, len - 1);
                         break;
                     }
                 }
             }
-            else
-            {
-                 if(is_cryptoconnected(friendlist[i].crypt_connection_id) == 4) /* if the connection timed out, kill it */
-                 {
+            else {
+                 if (is_cryptoconnected(friendlist[i].crypt_connection_id) == 4) { /* if the connection timed out, kill it */
                          crypto_kill(friendlist[i].crypt_connection_id);
                          friendlist[i].crypt_connection_id = -1;
                          friendlist[i].status = 3;
@@ -454,11 +440,9 @@ static void doInbound()
     uint8_t public_key[crypto_box_PUBLICKEYBYTES];
     uint8_t session_key[crypto_box_PUBLICKEYBYTES];
     int inconnection = crypto_inbound(public_key, secret_nonce, session_key);
-    if(inconnection != -1)
-    {
+    if (inconnection != -1) {
         int friend_id = getfriend_id(public_key);
-        if(friend_id != -1)
-        {
+        if (friend_id != -1) {
              crypto_kill(friendlist[friend_id].crypt_connection_id);
              friendlist[friend_id].crypt_connection_id =
              accept_crypto_inbound(inconnection, public_key, secret_nonce, session_key);
@@ -476,8 +460,7 @@ static uint32_t last_LANdiscovery;
 /*Send a LAN discovery packet every LAN_DISCOVERY_INTERVAL seconds*/
 static void LANdiscovery()
 {
-    if(last_LANdiscovery + LAN_DISCOVERY_INTERVAL < unix_time())
-    {
+    if (last_LANdiscovery + LAN_DISCOVERY_INTERVAL < unix_time()) {
         send_LANdiscovery(htons(PORT));
         last_LANdiscovery = unix_time();
     }
@@ -490,12 +473,11 @@ void doMessenger()
     IP_Port ip_port;
     uint8_t data[MAX_UDP_PACKET_SIZE];
     uint32_t length;
-    while(receivepacket(&ip_port, data, &length) != -1)
-    {
+    while (receivepacket(&ip_port, data, &length) != -1) {
 #ifdef DEBUG
         /* if(rand() % 3 != 1) //simulate packet loss */
         /* { */
-        if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port) && 
+        if (DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port) && 
         friendreq_handlepacket(data, length, ip_port) && LANdiscovery_handlepacket(data, length, ip_port))
             /* if packet is discarded */
             printf("Received unhandled packet with length: %u\n", length);
@@ -527,7 +509,7 @@ uint32_t Messenger_size()
 }
 
 /* save the messenger in data of size Messenger_size() */
-void Messenger_save(uint8_t * data)
+void Messenger_save(uint8_t *data)
 {
     save_keys(data);
     data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
@@ -545,9 +527,9 @@ void Messenger_save(uint8_t * data)
 /* load the messenger from data of size length. */
 int Messenger_load(uint8_t * data, uint32_t length)
 {
-    if(length == ~0)
+    if (length == ~0)
         return -1;
-    if(length < crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2)
+    if (length < crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2)
         return -1;
     length -= crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2;
     load_keys(data);
@@ -556,15 +538,15 @@ int Messenger_load(uint8_t * data, uint32_t length)
     memcpy(&size, data, sizeof(size));
     data += sizeof(size);
     
-    if(length < size)
+    if (length < size)
         return -1;
     length -= size;
-    if(DHT_load(data, size) == -1)
+    if (DHT_load(data, size) == -1)
         return -1;
     data += size;
     memcpy(&size, data, sizeof(size));
     data += sizeof(size);
-    if(length != size || length % sizeof(Friend) != 0)
+    if (length != size || length % sizeof(Friend) != 0)
         return -1;
     
     Friend * temp = malloc(size);
@@ -573,10 +555,8 @@ int Messenger_load(uint8_t * data, uint32_t length)
     uint16_t num = size / sizeof(Friend);
     
     uint32_t i;
-    for(i = 0; i < num; ++i)
-    {
-        if(temp[i].status != 0)
-        {
+    for (i = 0; i < num; ++i) {
+        if(temp[i].status != 0) {
             int fnum = m_addfriend_norequest(temp[i].client_id);
             setfriendname(fnum, temp[i].name);
             /* set_friend_userstatus(fnum, temp[i].userstatus, temp[i].userstatus_length); */
diff --git a/core/Messenger.h b/core/Messenger.h
index 1067d156..0e2606d9 100644
--- a/core/Messenger.h
+++ b/core/Messenger.h
@@ -51,23 +51,23 @@ extern "C" {
    data is the data and length is the length
    returns the friend number if success
    return -1 if failure. */
-int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length);
+int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length);
 
 
 /* add a friend without sending a friendrequest.
    returns the friend number if success
    return -1 if failure. */
-int m_addfriend_norequest(uint8_t * client_id);
+int m_addfriend_norequest(uint8_t *client_id);
 
 /* return the friend id associated to that client id.
    return -1 if no such friend */
-int getfriend_id(uint8_t * client_id);
+int getfriend_id(uint8_t *client_id);
 
 /* copies the public key associated to that friend id into client_id buffer.
    make sure that client_id is of size CLIENT_ID_SIZE.
    return 0 if success
    return -1 if failure */
-int getclient_id(int friend_id, uint8_t * client_id);
+int getclient_id(int friend_id, uint8_t *client_id);
 
 /* remove a friend */
 int m_delfriend(int friendnumber);
@@ -82,20 +82,20 @@ int m_friendstatus(int friendnumber);
 /* send a text chat message to an online friend
    returns 1 if packet was successfully put into the send queue
    return 0 if it was not */
-int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length);
+int m_sendmessage(int friendnumber, uint8_t *message, uint32_t length);
 
 /* Set our nickname
    name must be a string of maximum MAX_NAME_LENGTH length.
    return 0 if success
    return -1 if failure */
-int setname(uint8_t * name, uint16_t length);
+int setname(uint8_t *name, uint16_t length);
 
 /* get name of friendnumber
    put it in name
    name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
    return 0 if success
    return -1 if failure */
-int getname(int friendnumber, uint8_t * name);
+int getname(int friendnumber, uint8_t *name);
 
 /* set our user status
    you are responsible for freeing status after
@@ -109,7 +109,7 @@ int m_get_userstatus_size(int friendnumber);
 
 /* copy friendnumber's userstatus into buf, truncating if size is over maxlen
    get the size you need to allocate from m_get_userstatus_size */
-int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen);
+int m_copy_userstatus(int friendnumber, uint8_t *buf, uint32_t maxlen);
 
 /* set the function that will be executed when a friend request is received.
    function format is function(uint8_t * public_key, uint8_t * data, uint16_t length) */
@@ -143,10 +143,10 @@ void doMessenger();
 uint32_t Messenger_size();
 
 /* save the messenger in data (must be allocated memory of size Messenger_size()) */
-void Messenger_save(uint8_t * data);
+void Messenger_save(uint8_t *data);
 
 /* load the messenger from data of size length */
-int Messenger_load(uint8_t * data, uint32_t length);
+int Messenger_load(uint8_t *data, uint32_t length);
 
 #ifdef __cplusplus
 }
diff --git a/core/friend_requests.c b/core/friend_requests.c
index d1b0da57..7a2cdc24 100644
--- a/core/friend_requests.c
+++ b/core/friend_requests.c
@@ -35,24 +35,23 @@ int send_friendrequest(uint8_t * public_key, uint8_t * data, uint32_t length)
     uint8_t packet[MAX_DATA_SIZE];
     int len = create_request(packet, public_key, data, length, 32); /* 32 is friend request packet id */
     
-    if(len == -1)
+    if (len == -1)
         return -1;
 
     IP_Port ip_port = DHT_getfriendip(public_key);
 
-    if(ip_port.ip.i == 1)
+    if (ip_port.ip.i == 1)
         return -1;
 
-    if(ip_port.ip.i != 0)
-    {
-        if(sendpacket(ip_port, packet, len) != -1)
+    if (ip_port.ip.i != 0) {
+        if (sendpacket(ip_port, packet, len) != -1)
             return 0;
         return -1;
     }
     
     int num = route_tofriend(public_key, packet, len);
 
-    if(num == 0)
+    if (num == 0)
         return -1;
 
     return num;
@@ -62,8 +61,7 @@ static void (*handle_friendrequest)(uint8_t *, uint8_t *, uint16_t);
 static uint8_t handle_friendrequest_isset = 0;
 
 /* set the function that will be executed when a friend request is received. */
-void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t))
-{
+void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t)) {
     handle_friendrequest = function;
     handle_friendrequest_isset = 1;
 }
@@ -78,9 +76,8 @@ static uint8_t recieved_requests[MAX_RECIEVED_STORED][crypto_box_PUBLICKEYBYTES]
 static uint16_t recieved_requests_index;
 
 /*Add to list of recieved friend requests*/
-static void addto_recievedlist(uint8_t * client_id)
-{
-    if(recieved_requests_index >= MAX_RECIEVED_STORED)
+static void addto_recievedlist(uint8_t * client_id) {
+    if (recieved_requests_index >= MAX_RECIEVED_STORED)
         recieved_requests_index = 0;
     
     memcpy(recieved_requests[recieved_requests_index], client_id, crypto_box_PUBLICKEYBYTES);
@@ -89,46 +86,43 @@ static void addto_recievedlist(uint8_t * client_id)
 
 /* Check if a friend request was already recieved 
    return 0 if not, 1 if we did  */
-static int request_recieved(uint8_t * client_id)
-{
+static int request_recieved(uint8_t * client_id) {
     uint32_t i;
 
-    for(i = 0; i < MAX_RECIEVED_STORED; ++i) 
-        if(memcmp(recieved_requests[i], client_id, crypto_box_PUBLICKEYBYTES) == 0)
+    for (i = 0; i < MAX_RECIEVED_STORED; ++i) {
+        if (memcmp(recieved_requests[i], client_id, crypto_box_PUBLICKEYBYTES) == 0)
             return 1;
+    }
 
     return 0;
 }
 
 
-int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
-{
-
-    if(packet[0] == 32)
-    {
-        if(length <= crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
-        length > MAX_DATA_SIZE + ENCRYPTION_PADDING)
+int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source) {
+    if (packet[0] == 32) {
+        if (length <= crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
+            length > MAX_DATA_SIZE + ENCRYPTION_PADDING)
             return 1;
-        if(memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0) /* check if request is for us. */
-        {
-            if(handle_friendrequest_isset == 0)
+        if (memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0) {// check if request is for us.
+            if (handle_friendrequest_isset == 0)
                 return 1;
 
             uint8_t public_key[crypto_box_PUBLICKEYBYTES];
             uint8_t data[MAX_DATA_SIZE];
             int len = handle_request(public_key, data, packet, length);
 
-            if(len == -1)
+            if (len == -1)
                 return 1;
-            if(request_recieved(public_key))
+            if (request_recieved(public_key))
                 return 1;
 
             addto_recievedlist(public_key);
             (*handle_friendrequest)(public_key, data, len);
         }
-        else /* if request is not for us, try routing it. */
+        else {/* if request is not for us, try routing it. */
             if(route_packet(packet + 1, packet, length) == length)
                 return 0;
+        }
     }
         return 1;
 }
diff --git a/core/friend_requests.h b/core/friend_requests.h
index 29bc2b88..8988403c 100644
--- a/core/friend_requests.h
+++ b/core/friend_requests.h
@@ -33,7 +33,7 @@ extern "C" {
 
 /* Try to send a friendrequest to peer with public_key
    data is the data in the request and length is the length. */
-int send_friendrequest(uint8_t * public_key, uint8_t * data, uint32_t length);
+int send_friendrequest(uint8_t *public_key, uint8_t *data, uint32_t length);
 
 /* set the function that will be executed when a friend request for us is received.
    function format is function(uint8_t * public_key, uint8_t * data, uint16_t length) */
@@ -42,7 +42,7 @@ void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
 /* if we receive a packet we call this function so it can be handled.
    return 0 if packet is handled correctly.
    return 1 if it didn't handle the packet or if the packet was shit. */
-int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
+int friendreq_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
 
 #ifdef __cplusplus
 }
diff --git a/core/net_crypto.c b/core/net_crypto.c
index 28cb83e8..c1571467 100644
--- a/core/net_crypto.c
+++ b/core/net_crypto.c
@@ -30,8 +30,7 @@
 uint8_t self_public_key[crypto_box_PUBLICKEYBYTES];
 uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
 
-typedef struct
-{
+typedef struct {
     uint8_t public_key[crypto_box_PUBLICKEYBYTES]; /* the real public key of the peer. */
     uint8_t recv_nonce[crypto_box_NONCEBYTES]; /* nonce of received packets */
     uint8_t sent_nonce[crypto_box_NONCEBYTES]; /* nonce of sent packets. */
@@ -43,7 +42,7 @@ typedef struct
                        4 if the connection is timed out. */
     uint16_t number; /* Lossless_UDP connection number corresponding to this connection. */
     
-}Crypto_Connection;
+} Crypto_Connection;
 
 #define MAX_CRYPTO_CONNECTIONS 256
 
@@ -58,10 +57,10 @@ static int incoming_connections[MAX_INCOMING];
    public key(32 bytes) of the receiver and the secret key of the sender and a 24 byte nonce
    return -1 if there was a problem.
    return length of encrypted data if everything was fine. */
-int encrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce, 
-                                       uint8_t * plain, uint32_t length, uint8_t * encrypted)
+int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 
+                                      uint8_t *plain, uint32_t length, uint8_t *encrypted)
 {
-    if(length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES > MAX_DATA_SIZE || length == 0)
+    if (length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES > MAX_DATA_SIZE || length == 0)
         return -1;
     
     uint8_t temp_plain[MAX_DATA_SIZE + crypto_box_ZEROBYTES - crypto_box_BOXZEROBYTES] = {0};
@@ -73,7 +72,7 @@ int encrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce,
     crypto_box(temp_encrypted, temp_plain, length + crypto_box_ZEROBYTES, nonce, public_key, secret_key);
     
     /* if encryption is successful the first crypto_box_BOXZEROBYTES of the message will be zero */
-    if(memcmp(temp_encrypted, zeroes, crypto_box_BOXZEROBYTES) != 0)
+    if (memcmp(temp_encrypted, zeroes, crypto_box_BOXZEROBYTES) != 0)
         return -1;
 
     /* unpad the encrypted message */
@@ -85,10 +84,10 @@ int encrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce,
    public key(32 bytes) of the sender, the secret key of the receiver and a 24 byte nonce
    return -1 if there was a problem(decryption failed)
    return length of plain data if everything was fine. */
-int decrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce, 
-                                       uint8_t * encrypted, uint32_t length, uint8_t * plain)
+int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 
+                                      uint8_t *encrypted, uint32_t length, uint8_t *plain)
 {
-    if(length > MAX_DATA_SIZE || length <= crypto_box_BOXZEROBYTES)
+    if (length > MAX_DATA_SIZE || length <= crypto_box_BOXZEROBYTES)
         return -1;
 
     uint8_t temp_plain[MAX_DATA_SIZE - crypto_box_ZEROBYTES + crypto_box_BOXZEROBYTES];
@@ -97,12 +96,12 @@ int decrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce,
     
     memcpy(temp_encrypted + crypto_box_BOXZEROBYTES, encrypted, length); /* pad the message with 16 0 bytes. */
     
-    if(crypto_box_open(temp_plain, temp_encrypted, length + crypto_box_BOXZEROBYTES, 
+    if (crypto_box_open(temp_plain, temp_encrypted, length + crypto_box_BOXZEROBYTES, 
                                             nonce, public_key, secret_key) == -1)
         return -1;
 
     /* if decryption is successful the first crypto_box_ZEROBYTES of the message will be zero */
-    if(memcmp(temp_plain, zeroes, crypto_box_ZEROBYTES) != 0)
+    if (memcmp(temp_plain, zeroes, crypto_box_ZEROBYTES) != 0)
         return -1;
 
     /* unpad the plain message */
@@ -111,10 +110,10 @@ int decrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce,
 }
 
 /* increment the given nonce by 1 */
-void increment_nonce(uint8_t * nonce)
+void increment_nonce(uint8_t *nonce)
 {
     uint32_t i;
-    for(i = 0; i < crypto_box_NONCEBYTES; ++i) {
+    for (i = 0; i < crypto_box_NONCEBYTES; ++i) {
         ++nonce[i];
         if(nonce[i] != 0)
             break;
@@ -122,7 +121,7 @@ void increment_nonce(uint8_t * nonce)
 }
 
 /* fill the given nonce with random bytes. */
-void random_nonce(uint8_t * nonce)
+void random_nonce(uint8_t *nonce)
 {
     uint32_t i, temp;
     for (i = 0; i < crypto_box_NONCEBYTES / 4; ++i) {
@@ -134,22 +133,22 @@ void random_nonce(uint8_t * nonce)
 /* return 0 if there is no received data in the buffer 
    return -1  if the packet was discarded.
    return length of received data if successful */
-int read_cryptpacket(int crypt_connection_id, uint8_t * data)
+int read_cryptpacket(int crypt_connection_id, uint8_t *data)
 {
-    if(crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
+    if (crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
         return 0;   
-    if(crypto_connections[crypt_connection_id].status != 3)
+    if (crypto_connections[crypt_connection_id].status != 3)
         return 0;
     uint8_t temp_data[MAX_DATA_SIZE];
     int length = read_packet(crypto_connections[crypt_connection_id].number, temp_data);
-    if(length == 0)
+    if (length == 0)
         return 0;
-    if(temp_data[0] != 3)
+    if (temp_data[0] != 3)
         return -1;
     int len = decrypt_data(crypto_connections[crypt_connection_id].peersessionpublic_key, 
                            crypto_connections[crypt_connection_id].sessionsecret_key,
                            crypto_connections[crypt_connection_id].recv_nonce, temp_data + 1, length - 1, data);
-    if(len != -1) {
+    if (len != -1) {
         increment_nonce(crypto_connections[crypt_connection_id].recv_nonce);
         return len;
     }
@@ -158,22 +157,22 @@ int read_cryptpacket(int crypt_connection_id, uint8_t * data)
 
 /* return 0 if data could not be put in packet queue
    return 1 if data was put into the queue */
-int write_cryptpacket(int crypt_connection_id, uint8_t * data, uint32_t length)
+int write_cryptpacket(int crypt_connection_id, uint8_t *data, uint32_t length)
 {
-    if(crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
+    if (crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
         return 0;   
-    if(length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES > MAX_DATA_SIZE - 1)
+    if (length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES > MAX_DATA_SIZE - 1)
         return 0;
-    if(crypto_connections[crypt_connection_id].status != 3)
+    if (crypto_connections[crypt_connection_id].status != 3)
         return 0;
     uint8_t temp_data[MAX_DATA_SIZE];
     int len = encrypt_data(crypto_connections[crypt_connection_id].peersessionpublic_key, 
                            crypto_connections[crypt_connection_id].sessionsecret_key,
                            crypto_connections[crypt_connection_id].sent_nonce, data, length, temp_data + 1);
-    if(len == -1)
+    if (len == -1)
         return 0;
     temp_data[0] = 3;
-    if(write_packet(crypto_connections[crypt_connection_id].number, temp_data, len + 1) == 0)
+    if (write_packet(crypto_connections[crypt_connection_id].number, temp_data, len + 1) == 0)
         return 0;
     increment_nonce(crypto_connections[crypt_connection_id].sent_nonce);
     return 1;
@@ -185,15 +184,15 @@ int write_cryptpacket(int crypt_connection_id, uint8_t * data, uint32_t length)
    request_id is the id of the request (32 = friend request, 254 = ping request)
    returns -1 on failure
    returns the length of the created packet on success */
-int create_request(uint8_t * packet, uint8_t * public_key, uint8_t * data, uint32_t length, uint8_t request_id)
+int create_request(uint8_t *packet, uint8_t *public_key, uint8_t *data, uint32_t length, uint8_t request_id)
 {
-    if(MAX_DATA_SIZE < length + 1 + crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + ENCRYPTION_PADDING)
+    if (MAX_DATA_SIZE < length + 1 + crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + ENCRYPTION_PADDING)
         return -1;
     uint8_t nonce[crypto_box_NONCEBYTES];
     random_nonce(nonce);
     int len = encrypt_data(public_key, self_secret_key, nonce, data, length, 
                            1 + crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + packet);
-    if(len == -1)
+    if (len == -1)
         return -1;
     packet[0] = request_id;
     memcpy(packet + 1, public_key, crypto_box_PUBLICKEYBYTES);
@@ -207,10 +206,10 @@ int create_request(uint8_t * packet, uint8_t * public_key, uint8_t * data, uint3
    in data if a friend or ping request was sent to us and returns the length of the data.
    packet is the request packet and length is its length
    return -1 if not valid request. */
-int handle_request(uint8_t * public_key, uint8_t * data, uint8_t * packet, uint16_t length)
+int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t length)
 {
 
-    if(length > crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
+    if (length > crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
        length <= MAX_DATA_SIZE + ENCRYPTION_PADDING &&
        memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
     {
@@ -230,7 +229,7 @@ int handle_request(uint8_t * public_key, uint8_t * data, uint8_t * packet, uint1
 /* Send a crypto handshake packet containing an encrypted secret nonce and session public key
    to peer with connection_id and public_key
    the packet is encrypted with a random nonce which is sent in plain text with the packet */
-int send_cryptohandshake(int connection_id, uint8_t * public_key, uint8_t * secret_nonce, uint8_t * session_key)
+int send_cryptohandshake(int connection_id, uint8_t *public_key, uint8_t *secret_nonce, uint8_t *session_key)
 {
     uint8_t temp_data[MAX_DATA_SIZE];
     uint8_t temp[crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES];
@@ -242,7 +241,7 @@ int send_cryptohandshake(int connection_id, uint8_t * public_key, uint8_t * secr
     
     int len = encrypt_data(public_key, self_secret_key, nonce, temp, crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES, 
                              1 + crypto_box_PUBLICKEYBYTES + crypto_box_NONCEBYTES + temp_data);
-    if(len == -1)
+    if (len == -1)
         return 0;
     temp_data[0] = 2;
     memcpy(temp_data + 1, self_public_key, crypto_box_PUBLICKEYBYTES);
@@ -253,16 +252,16 @@ int send_cryptohandshake(int connection_id, uint8_t * public_key, uint8_t * secr
 /* Extract secret nonce, session public key and public_key from a packet(data) with length length
    return 1 if successful
    return 0 if failure */
-int handle_cryptohandshake(uint8_t * public_key, uint8_t * secret_nonce, 
-                           uint8_t * session_key, uint8_t * data, uint16_t length)
+int handle_cryptohandshake(uint8_t *public_key, uint8_t *secret_nonce, 
+                           uint8_t *session_key, uint8_t *data, uint16_t length)
 {
     int pad = (- crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES);
-    if(length != 1 + crypto_box_PUBLICKEYBYTES + crypto_box_NONCEBYTES 
+    if (length != 1 + crypto_box_PUBLICKEYBYTES + crypto_box_NONCEBYTES 
                               + crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES + pad)
     {
         return 0;
     }
-    if(data[0] != 2)
+    if (data[0] != 2)
         return 0;
     uint8_t temp[crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES];
     
@@ -272,7 +271,7 @@ int handle_cryptohandshake(uint8_t * public_key, uint8_t * secret_nonce,
               data + 1 + crypto_box_PUBLICKEYBYTES + crypto_box_NONCEBYTES, 
               crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES + pad, temp);
     
-    if(len != crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES)
+    if (len != crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES)
         return 0;
     
     memcpy(secret_nonce, temp, crypto_box_NONCEBYTES);
@@ -283,33 +282,33 @@ int handle_cryptohandshake(uint8_t * public_key, uint8_t * secret_nonce,
 /* get crypto connection id from public key of peer
    return -1 if there are no connections like we are looking for
    return id if it found it */
-int getcryptconnection_id(uint8_t * public_key)
+int getcryptconnection_id(uint8_t *public_key)
 {
     uint32_t i;
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
-        if(crypto_connections[i].status > 0)
-            if(memcmp(public_key, crypto_connections[i].public_key, crypto_box_PUBLICKEYBYTES) == 0)
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
+        if (crypto_connections[i].status > 0)
+            if (memcmp(public_key, crypto_connections[i].public_key, crypto_box_PUBLICKEYBYTES) == 0)
                 return i;
+    }
     return -1;
 }
 
 /* Start a secure connection with other peer who has public_key and ip_port
    returns -1 if failure
    returns crypt_connection_id of the initialized connection if everything went well. */
-int crypto_connect(uint8_t * public_key, IP_Port ip_port)
+int crypto_connect(uint8_t *public_key, IP_Port ip_port)
 {
     uint32_t i;
     int id = getcryptconnection_id(public_key);
-    if(id != -1) {
+    if (id != -1) {
         IP_Port c_ip = connection_ip(crypto_connections[id].number);
         if(c_ip.ip.i == ip_port.ip.i && c_ip.port == ip_port.port)
             return -1;
     }
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
-    {
-        if(crypto_connections[i].status == 0) {
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
+        if (crypto_connections[i].status == 0) {
             int id = new_connection(ip_port);
-            if(id == -1)
+            if (id == -1)
                 return -1;
             crypto_connections[i].number = id;
             crypto_connections[i].status = 1;
@@ -317,8 +316,8 @@ int crypto_connect(uint8_t * public_key, IP_Port ip_port)
             memcpy(crypto_connections[i].public_key, public_key, crypto_box_PUBLICKEYBYTES);
             crypto_box_keypair(crypto_connections[i].sessionpublic_key, crypto_connections[i].sessionsecret_key);
 
-            if(send_cryptohandshake(id, public_key, crypto_connections[i].recv_nonce, 
-                                                               crypto_connections[i].sessionpublic_key) == 1)
+            if (send_cryptohandshake(id, public_key, crypto_connections[i].recv_nonce, 
+                                    crypto_connections[i].sessionpublic_key) == 1)
             {
                 increment_nonce(crypto_connections[i].recv_nonce);
                 return i;
@@ -336,21 +335,20 @@ int crypto_connect(uint8_t * public_key, IP_Port ip_port)
    and the session public key for the connection in session_key
    to accept it see: accept_crypto_inbound(...)
    to refuse it just call kill_connection(...) on the connection id */
-int crypto_inbound(uint8_t * public_key, uint8_t * secret_nonce, uint8_t * session_key)
+int crypto_inbound(uint8_t *public_key, uint8_t *secret_nonce, uint8_t *session_key)
 {
     uint32_t i;
-    for(i = 0; i < MAX_INCOMING; ++i)
-    {
-        if(incoming_connections[i] != -1) {
-            if(is_connected(incoming_connections[i]) == 4 || is_connected(incoming_connections[i]) == 0) {
+    for (i = 0; i < MAX_INCOMING; ++i) {
+        if (incoming_connections[i] != -1) {
+            if (is_connected(incoming_connections[i]) == 4 || is_connected(incoming_connections[i]) == 0) {
                 kill_connection(incoming_connections[i]);
                 incoming_connections[i] = -1;
                 continue;
             }
-            if(id_packet(incoming_connections[i]) == 2) {
+            if (id_packet(incoming_connections[i]) == 2) {
                 uint8_t temp_data[MAX_DATA_SIZE];
                 uint16_t len = read_packet(incoming_connections[i], temp_data);
-                if(handle_cryptohandshake(public_key, secret_nonce, session_key, temp_data, len)) {
+                if (handle_cryptohandshake(public_key, secret_nonce, session_key, temp_data, len)) {
                     int connection_id = incoming_connections[i];
                     incoming_connections[i] = -1; /* remove this connection from the incoming connection list. */
                     return connection_id;
@@ -366,9 +364,9 @@ int crypto_inbound(uint8_t * public_key, uint8_t * secret_nonce, uint8_t * sessi
    return 1 if there was a problem. */
 int crypto_kill(int crypt_connection_id)
 { 
-    if(crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
+    if (crypt_connection_id < 0 || crypt_connection_id >= MAX_CRYPTO_CONNECTIONS)
         return 1;   
-    if(crypto_connections[crypt_connection_id].status != 0) {
+    if (crypto_connections[crypt_connection_id].status != 0) {
         crypto_connections[crypt_connection_id].status = 0;
         kill_connection(crypto_connections[crypt_connection_id].number);
         crypto_connections[crypt_connection_id].number = ~0;
@@ -380,18 +378,17 @@ int crypto_kill(int crypt_connection_id)
 /* accept an incoming connection using the parameters provided by crypto_inbound
    return -1 if not successful
    returns the crypt_connection_id if successful */
-int accept_crypto_inbound(int connection_id, uint8_t * public_key, uint8_t * secret_nonce, uint8_t * session_key)
+int accept_crypto_inbound(int connection_id, uint8_t *public_key, uint8_t *secret_nonce, uint8_t *session_key)
 {
     uint32_t i;
-    if(connection_id == -1)
+    if (connection_id == -1)
         return -1;
     /*
     if(getcryptconnection_id(public_key) != -1)
     {
         return -1;
     }*/
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
-    {
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
         if(crypto_connections[i].status == 0) {
             crypto_connections[i].number = connection_id;
             crypto_connections[i].status = 2;
@@ -403,7 +400,7 @@ int accept_crypto_inbound(int connection_id, uint8_t * public_key, uint8_t * sec
 
             crypto_box_keypair(crypto_connections[i].sessionpublic_key, crypto_connections[i].sessionsecret_key);
 
-            if(send_cryptohandshake(connection_id, public_key, crypto_connections[i].recv_nonce, 
+            if (send_cryptohandshake(connection_id, public_key, crypto_connections[i].recv_nonce, 
                                                                crypto_connections[i].sessionpublic_key) == 1)
             {
                 increment_nonce(crypto_connections[i].recv_nonce);
@@ -424,7 +421,7 @@ int accept_crypto_inbound(int connection_id, uint8_t * public_key, uint8_t * sec
    4 if the connection is timed out and waiting to be killed */
 int is_cryptoconnected(int crypt_connection_id)
 {
-    if(crypt_connection_id >= 0 && crypt_connection_id < MAX_CRYPTO_CONNECTIONS)
+    if (crypt_connection_id >= 0 && crypt_connection_id < MAX_CRYPTO_CONNECTIONS)
         return crypto_connections[crypt_connection_id].status;
     return 0;
 }
@@ -438,7 +435,7 @@ void new_keys()
 
 /* save the public and private keys to the keys array
    Length must be crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES */
-void save_keys(uint8_t * keys)
+void save_keys(uint8_t *keys)
 {
     memcpy(keys, self_public_key, crypto_box_PUBLICKEYBYTES);
     memcpy(keys + crypto_box_PUBLICKEYBYTES, self_secret_key, crypto_box_SECRETKEYBYTES);
@@ -446,7 +443,7 @@ void save_keys(uint8_t * keys)
 
 /* load the public and private keys from the keys array
    Length must be crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES */
-void load_keys(uint8_t * keys)
+void load_keys(uint8_t *keys)
 {
     memcpy(self_public_key, keys, crypto_box_PUBLICKEYBYTES);
     memcpy(self_secret_key, keys + crypto_box_PUBLICKEYBYTES, crypto_box_SECRETKEYBYTES);
@@ -459,8 +456,8 @@ void load_keys(uint8_t * keys)
 int new_incoming(int id)
 {
     uint32_t i;
-    for(i = 0; i < MAX_INCOMING; ++i) {
-        if(incoming_connections[i] == -1) {
+    for (i = 0; i < MAX_INCOMING; ++i) {
+        if (incoming_connections[i] == -1) {
             incoming_connections[i] = id;
             return 0;
         }
@@ -473,7 +470,7 @@ int new_incoming(int id)
 static void handle_incomings()
 {
     int income;
-    while(1) {
+    while (1) {
          income = incoming_connection();
          if(income == -1 || new_incoming(income) )
              break;
@@ -484,22 +481,20 @@ static void handle_incomings()
 static void receive_crypto()
 {
     uint32_t i;
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
-    {
-        if(crypto_connections[i].status == 1)
-        {
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
+        if (crypto_connections[i].status == 1) {
             uint8_t temp_data[MAX_DATA_SIZE];
             uint8_t secret_nonce[crypto_box_NONCEBYTES];
             uint8_t public_key[crypto_box_PUBLICKEYBYTES];
             uint8_t session_key[crypto_box_PUBLICKEYBYTES];
             uint16_t len;
-            if(id_packet(crypto_connections[i].number) == 1) 
+            if (id_packet(crypto_connections[i].number) == 1) 
             /* if the packet is a friend request drop it (because we are already friends) */
                 len = read_packet(crypto_connections[i].number, temp_data);
-            if(id_packet(crypto_connections[i].number) == 2) { /* handle handshake packet. */
+            if (id_packet(crypto_connections[i].number) == 2) { /* handle handshake packet. */
                 len = read_packet(crypto_connections[i].number, temp_data);
-                if(handle_cryptohandshake(public_key, secret_nonce, session_key, temp_data, len)) {
-                    if(memcmp(public_key, crypto_connections[i].public_key, crypto_box_PUBLICKEYBYTES) == 0) {
+                if (handle_cryptohandshake(public_key, secret_nonce, session_key, temp_data, len)) {
+                    if (memcmp(public_key, crypto_connections[i].public_key, crypto_box_PUBLICKEYBYTES) == 0) {
                         memcpy(crypto_connections[i].sent_nonce, secret_nonce, crypto_box_NONCEBYTES);
                         memcpy(crypto_connections[i].peersessionpublic_key, session_key, crypto_box_PUBLICKEYBYTES);
                         increment_nonce(crypto_connections[i].sent_nonce);
@@ -510,15 +505,12 @@ static void receive_crypto()
                     }
                 }
             }
-            else if(id_packet(crypto_connections[i].number) != -1)
-                /* This should not happen
-                   kill the connection if it does */
+            else if (id_packet(crypto_connections[i].number) != -1) // This should not happen kill the connection if it does
                 crypto_kill(crypto_connections[i].number);
             
         }
-        if(crypto_connections[i].status == 2)
-        {
-            if(id_packet(crypto_connections[i].number) == 3) {
+        if (crypto_connections[i].status == 2) {
+            if (id_packet(crypto_connections[i].number) == 3) {
                 uint8_t temp_data[MAX_DATA_SIZE];
                 uint8_t data[MAX_DATA_SIZE];
                 int length = read_packet(crypto_connections[i].number, temp_data);
@@ -526,7 +518,7 @@ static void receive_crypto()
                                        crypto_connections[i].sessionsecret_key,
                                        crypto_connections[i].recv_nonce, temp_data + 1, length - 1, data);
                 uint32_t zero = 0;
-                if(len == sizeof(uint32_t) && memcmp(((uint8_t *)&zero), data, sizeof(uint32_t)) == 0) {
+                if (len == sizeof(uint32_t) && memcmp(((uint8_t *)&zero), data, sizeof(uint32_t)) == 0) {
                     increment_nonce(crypto_connections[i].recv_nonce);
                     crypto_connections[i].status = 3;
                     
@@ -534,9 +526,7 @@ static void receive_crypto()
                     kill_connection_in(crypto_connections[i].number, 3000000);
                 }
                 else
-                    /* This should not happen
-                       kill the connection if it does */
-                    crypto_kill(crypto_connections[i].number);
+                    crypto_kill(crypto_connections[i].number); // This should not happen kill the connection if it does
             }
             else if(id_packet(crypto_connections[i].number) != -1)
                 /* This should not happen
@@ -553,17 +543,17 @@ void initNetCrypto()
     memset(crypto_connections, 0 ,sizeof(crypto_connections));
     memset(incoming_connections, -1 ,sizeof(incoming_connections));
     uint32_t i;
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i)
         crypto_connections[i].number = ~0;
 }
 
 static void killTimedout()
 {
     uint32_t i;
-    for(i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
-        if(crypto_connections[i].status != 0 && is_connected(crypto_connections[i].number) == 4)
+    for (i = 0; i < MAX_CRYPTO_CONNECTIONS; ++i) {
+        if (crypto_connections[i].status != 0 && is_connected(crypto_connections[i].number) == 4)
             crypto_connections[i].status = 4;
-        else if(is_connected(crypto_connections[i].number) == 4) {
+        else if (is_connected(crypto_connections[i].number) == 4) {
             kill_connection(crypto_connections[i].number);
             crypto_connections[i].number = ~0;
         }
diff --git a/core/net_crypto.h b/core/net_crypto.h
index b5bab17a..d4fe1313 100644
--- a/core/net_crypto.h
+++ b/core/net_crypto.h
@@ -40,29 +40,29 @@ extern uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
    public key(32 bytes) of the receiver and the secret key of the sender and a 24 byte nonce
    return -1 if there was a problem.
    return length of encrypted data if everything was fine. */
-int encrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce, 
-                                       uint8_t * plain, uint32_t length, uint8_t * encrypted);
+int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 
+                                      uint8_t *plain, uint32_t length, uint8_t *encrypted);
 
 
 /* decrypts encrypted of length length to plain of length length - 16 using the
    public key(32 bytes) of the sender, the secret key of the receiver and a 24 byte nonce
    return -1 if there was a problem(decryption failed)
    return length of plain data if everything was fine. */
-int decrypt_data(uint8_t * public_key, uint8_t * secret_key, uint8_t * nonce, 
-                                       uint8_t * encrypted, uint32_t length, uint8_t * plain);
+int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 
+                                      uint8_t *encrypted, uint32_t length, uint8_t *plain);
 
 
 /* fill the given nonce with random bytes. */
-void random_nonce(uint8_t * nonce);
+void random_nonce(uint8_t *nonce);
 
 /* return 0 if there is no received data in the buffer 
    return -1  if the packet was discarded.
    return length of received data if successful */
-int read_cryptpacket(int crypt_connection_id, uint8_t * data);
+int read_cryptpacket(int crypt_connection_id, uint8_t *data);
 
 /* return 0 if data could not be put in packet queue
    return 1 if data was put into the queue */
-int write_cryptpacket(int crypt_connection_id, uint8_t * data, uint32_t length);
+int write_cryptpacket(int crypt_connection_id, uint8_t *data, uint32_t length);
 
 /* create a request to peer with public_key.
    packet must be an array of MAX_DATA_SIZE big.
@@ -70,18 +70,18 @@ int write_cryptpacket(int crypt_connection_id, uint8_t * data, uint32_t length);
    request_id is the id of the request (32 = friend request, 254 = ping request)
    returns -1 on failure
    returns the length of the created packet on success */
-int create_request(uint8_t * packet, uint8_t * public_key, uint8_t * data, uint32_t length, uint8_t request_id);
+int create_request(uint8_t *packet, uint8_t * public_key, uint8_t *data, uint32_t length, uint8_t request_id);
 
 /* puts the senders public key in the request in public_key, the data from the request 
    in data if a friend or ping request was sent to us and returns the length of the data.
    packet is the request packet and length is its length
    return -1 if not valid request. */
-int handle_request(uint8_t * public_key, uint8_t * data, uint8_t * packet, uint16_t length);
+int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t length);
 
 /* Start a secure connection with other peer who has public_key and ip_port
    returns -1 if failure
    returns crypt_connection_id of the initialized connection if everything went well. */
-int crypto_connect(uint8_t * public_key, IP_Port ip_port);
+int crypto_connect(uint8_t *public_key, IP_Port ip_port);
 
 /* kill a crypto connection
    return 0 if killed successfully
@@ -95,12 +95,12 @@ int crypto_kill(int crypt_connection_id);
    and the session public key for the connection in session_key
    to accept it see: accept_crypto_inbound(...)
    to refuse it just call kill_connection(...) on the connection id */
-int crypto_inbound(uint8_t * public_key, uint8_t * secret_nonce, uint8_t * session_key);
+int crypto_inbound(uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
 
 /* accept an incoming connection using the parameters provided by crypto_inbound
    return -1 if not successful
    returns the crypt_connection_id if successful */
-int accept_crypto_inbound(int connection_id, uint8_t * public_key, uint8_t * secret_nonce, uint8_t * session_key);
+int accept_crypto_inbound(int connection_id, uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
 
 /* return 0 if no connection, 1 we have sent a handshake, 2 if connexion is not confirmed yet 
    (we have received a handshake but no empty data packet), 3 if the connection is established.
diff --git a/core/network.c b/core/network.c
index 549427bf..160db880 100644
--- a/core/network.c
+++ b/core/network.c
@@ -79,13 +79,10 @@ int receivepacket(IP_Port * ip_port, uint8_t * data, uint32_t * length)
     #else
     uint32_t addrlen = sizeof(addr);
     #endif    
-    (*(int32_t *)length) = recvfrom(sock,(char *) data, MAX_UDP_PACKET_SIZE, 0, (struct sockaddr *)&addr, &addrlen);
-    if(*(int32_t *)length <= 0)
-    {
-        /* nothing received
-           or empty packet */
-        return -1;
-    }
+    (*(int32_t*)length) = recvfrom(sock,(char*) data, MAX_UDP_PACKET_SIZE, 0, (struct sockaddr*)&addr, &addrlen);
+    if (*(int32_t*)length <= 0)
+        return -1; /* nothing received or empty packet */
+   
     ip_port->ip = addr.ip;
     ip_port->port = addr.port;
     return 0;
@@ -101,7 +98,7 @@ int init_networking(IP ip, uint16_t port)
 {
     #ifdef WIN32
     WSADATA wsaData;
-    if(WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
+    if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
         return -1;
     #else
     srandom((uint32_t)current_time());
diff --git a/core/network.h b/core/network.h
index dcbd4160..8b22a09c 100644
--- a/core/network.h
+++ b/core/network.h
@@ -68,23 +68,20 @@ extern "C" {
 
 #define MAX_UDP_PACKET_SIZE 65507
 
-typedef union
-{
+typedef union {
     uint8_t c[4];
     uint16_t s[2];
     uint32_t i;
-}IP;
+} IP;
 
-typedef struct
-{
+typedef struct {
     IP ip;
     uint16_t port;
     /* not used for anything right now */
     uint16_t padding; 
-}IP_Port;
+} IP_Port;
 
-typedef struct
-{
+typedef struct {
     int16_t family;
     uint16_t port;
     IP ip;
@@ -92,7 +89,7 @@ typedef struct
     #ifdef ENABLE_IPV6
     uint8_t zeroes2[12];
     #endif
-}ADDR;
+} ADDR;
 
 /* returns current time in milleseconds since the epoch. */
 uint64_t current_time();
@@ -104,12 +101,12 @@ uint32_t random_int();
 /* Basic network functions: */
 
 /* Function to send packet(data) of length length to ip_port */
-int sendpacket(IP_Port ip_port, uint8_t * data, uint32_t length);
+int sendpacket(IP_Port ip_port, uint8_t *data, uint32_t length);
 
 /* Function to receive data, ip and port of sender is put into ip_port
    the packet data into data
    the packet length into length. */
-int receivepacket(IP_Port * ip_port, uint8_t * data, uint32_t * length);
+int receivepacket(IP_Port *ip_port, uint8_t *data, uint32_t *length);
 
 /* initialize networking
    bind to ip and port
@@ -117,7 +114,7 @@ int receivepacket(IP_Port * ip_port, uint8_t * data, uint32_t * length);
    port is in host byte order (this means don't worry about it)
    returns 0 if no problems
    returns -1 if there were problems */
-int init_networking(IP ip ,uint16_t port);
+int init_networking(IP ip, uint16_t port);
 
 /* function to cleanup networking stuff(doesn't do much right now) */
 void shutdown_networking();
diff --git a/testing/DHT_sendfiletest.c b/testing/DHT_sendfiletest.c
index 5b5d6c9f..873a73f8 100644
--- a/testing/DHT_sendfiletest.c
+++ b/testing/DHT_sendfiletest.c
@@ -96,78 +96,72 @@ int main(int argc, char *argv[])
     uint8_t buffer2[128];
     int read2 = 0;
     FILE *file1 = fopen(argv[4], "rb");
-    if ( file1==NULL ){printf("Error opening file.\n");return 1;}
+    if (file1 == NULL) {
+      printf("Error opening file.\n");
+      return 1;
+    }
     FILE *file2 = fopen("received.txt", "wb");
-    if ( file2==NULL ){return 1;}
+    if (file2 == NULL)
+      return 1;
+    
     read1 = fread(buffer1, 1, 128, file1);
     
-    while(1) {
-
-        while(receivepacket(&ip_port, data, &length) != -1) {
-            if(rand() % 3 != 1) { /* simulate packet loss */
-                if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port)) {
-                    /* if packet is not recognized */
-                    printf("Received unhandled packet with length: %u\n", length);
-                } else {
+    while (1) {
+        while (receivepacket(&ip_port, data, &length) != -1) {
+            if (rand() % 3 != 1) { /* simulate packet loss */
+                if (DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port))
+                    printf("Received unhandled packet with length: %u\n", length); /* if packet is not recognized */
+                else
                     printf("Received handled packet with length: %u\n", length);
-                }
             }
         }
         friend_ip = DHT_getfriendip((uint8_t *)argv[3]);
-        if(friend_ip.ip.i != 0) {
-            if(connection == -1) {
+        if (friend_ip.ip.i != 0) {
+            if (connection == -1) {
                 printf("Started connecting to friend:");
                 printip(friend_ip);
                 connection = new_connection(friend_ip);
             }
         }
-        if(inconnection == -1) {
+        if (inconnection == -1) {
             inconnection = incoming_connection();
-            if(inconnection != -1) {
+            if (inconnection != -1) {
                 printf("Someone connected to us:");
                 printip(connection_ip(inconnection));
             }
         }
         /* if someone connected to us write what he sends to a file */
         /* also send him our file. */
-        if(inconnection != -1) {
-            if(write_packet(inconnection, buffer1, read1)) {
+        if (inconnection != -1) {
+            if (write_packet(inconnection, buffer1, read1)) {
                 printf("Wrote data.\n");
                 read1 = fread(buffer1, 1, 128, file1);
             }
             read2 = read_packet(inconnection, buffer2);
-            if(read2 != 0) {
+            if (read2 != 0) {
                 printf("Received data.\n");
-                if(!fwrite(buffer2, read2, 1, file2)) {
+                if (!fwrite(buffer2, read2, 1, file2))
                         printf("file write error\n");
-                }
-                if(read2 < 128) {
+                if (read2 < 128) {
                     fclose(file2);
                 }
             } 
         }
         /* if we are connected to a friend send him data from the file.
          * also put what he sends us in a file. */
-        if(is_connected(connection) == 3)
-        {
-            if(write_packet(0, buffer1, read1))
-            {
+        if (is_connected(connection) == 3) {
+            if (write_packet(0, buffer1, read1)) {
                 printf("Wrote data.\n");
                 read1 = fread(buffer1, 1, 128, file1);
             }
             read2 = read_packet(0, buffer2);
-            if(read2 != 0)
-            {
+            if (read2 != 0) {
                 printf("Received data.\n");
                 if(!fwrite(buffer2, read2, 1, file2))
-                {
-                        printf("file write error\n");
-                }
+                   printf("file write error\n");
                 if(read2 < 128)
-                {
                     fclose(file2);
-                }
-            } 
+            }
         }
         doDHT();
         doLossless_UDP();
diff --git a/testing/Lossless_UDP_testclient.c b/testing/Lossless_UDP_testclient.c
index 8f23528c..c1eaa69d 100644
--- a/testing/Lossless_UDP_testclient.c
+++ b/testing/Lossless_UDP_testclient.c
@@ -44,13 +44,13 @@
 
 #define PORT 33446
 
-void printpacket(uint8_t * data, uint32_t length, IP_Port ip_port)
+void printpacket(uint8_t *data, uint32_t length, IP_Port ip_port)
 {
     uint32_t i;
     printf("UNHANDLED PACKET RECEIVED\nLENGTH:%u\nCONTENTS:\n", length);
     printf("--------------------BEGIN-----------------------------\n");
-    for(i = 0; i < length; i++) {
-        if(data[i] < 16)
+    for (i = 0; i < length; i++) {
+        if (data[i] < 16)
             printf("0");
         printf("%hhX",data[i]);
     }
@@ -59,7 +59,7 @@ void printpacket(uint8_t * data, uint32_t length, IP_Port ip_port)
 
 void printip(IP_Port ip_port)
 {
-    printf("\nIP: %u.%u.%u.%u Port: %u",ip_port.ip.c[0],ip_port.ip.c[1],ip_port.ip.c[2],ip_port.ip.c[3],ntohs(ip_port.port));
+    printf("\nIP: %u.%u.%u.%u Port: %u", ip_port.ip.c[0], ip_port.ip.c[1], ip_port.ip.c[2], ip_port.ip.c[3], ntohs(ip_port.port));
 }
 /*
 void printpackets(Data test)
@@ -123,16 +123,15 @@ void Lossless_UDP()
     IP_Port ip_port;
     uint8_t data[MAX_UDP_PACKET_SIZE];
     uint32_t length;
-    while(receivepacket(&ip_port, data, &length) != -1) {
+    while (receivepacket(&ip_port, data, &length) != -1) {
         printf("packet with length: %u\n", length);
         /* if(rand() % 3 != 1)//add packet loss
          { */
-            if(LosslessUDP_handlepacket(data, length, ip_port)) {
-                    printpacket(data, length, ip_port);
-            } else {
-                //printconnection(0);
-                 printf("Received handled packet with length: %u\n", length);
-            }
+            if (LosslessUDP_handlepacket(data, length, ip_port))
+                printpacket(data, length, ip_port);
+            else 
+                printf("Received handled packet with length: %u\n", length); //printconnection(0);
+            
        /* } */
     }
     
@@ -151,7 +150,8 @@ int main(int argc, char *argv[])
     int read;
     
     FILE *file = fopen(argv[3], "rb");
-    if ( file==NULL ){return 1;}
+    if (file == NULL)
+      return 1;
     
     
     /* initialize networking */
@@ -166,14 +166,14 @@ int main(int argc, char *argv[])
     printip(serverip);
     int connection = new_connection(serverip);
     uint64_t timer = current_time();
-    while(1) {
+    while (1) {
        /* printconnection(connection); */
         Lossless_UDP();
-        if(is_connected(connection) == 3) {
+        if (is_connected(connection) == 3) {
             printf("Connecting took: %llu us\n", (unsigned long long)(current_time() - timer));
             break;
         }
-        if(is_connected(connection) == 0) {
+        if (is_connected(connection) == 0) {
             printf("Connection timeout after: %llu us\n", (unsigned long long)(current_time() - timer));
             return 1;
         }
@@ -185,19 +185,19 @@ int main(int argc, char *argv[])
     /*read first part of file */
     read = fread(buffer, 1, 512, file);
     
-    while(1) {
+    while (1) {
         /* printconnection(connection); */
         Lossless_UDP();
-        if(is_connected(connection) == 3) {
+        if (is_connected(connection) == 3) {
             
-            if(write_packet(connection, buffer, read)) {
+            if (write_packet(connection, buffer, read)) {
                /* printf("Wrote data.\n"); */
                 read = fread(buffer, 1, 512, file);
 
             }
             /* printf("%u\n", sendqueue(connection)); */
-            if(sendqueue(connection) == 0) {
-                if(read == 0) {
+            if (sendqueue(connection) == 0) {
+                if (read == 0) {
                     printf("Sent file successfully in: %llu us\n", (unsigned long long)(current_time() - timer));
                     break;
                 }
diff --git a/testing/Lossless_UDP_testserver.c b/testing/Lossless_UDP_testserver.c
index a8097048..4b437f0e 100644
--- a/testing/Lossless_UDP_testserver.c
+++ b/testing/Lossless_UDP_testserver.c
@@ -45,12 +45,12 @@
 
 #define PORT 33445
 
-void printpacket(uint8_t * data, uint32_t length, IP_Port ip_port)
+void printpacket(uint8_t *data, uint32_t length, IP_Port ip_port)
 {
     uint32_t i;
     printf("UNHANDLED PACKET RECEIVED\nLENGTH:%u\nCONTENTS:\n", length);
     printf("--------------------BEGIN-----------------------------\n");
-    for(i = 0; i < length; i++) {
+    for (i = 0; i < length; i++) {
         if(data[i] < 16)
             printf("0");
         printf("%hhX",data[i]);
@@ -120,10 +120,10 @@ void Lossless_UDP()
     IP_Port ip_port;
     uint8_t data[MAX_UDP_PACKET_SIZE];
     uint32_t length;
-    while(receivepacket(&ip_port, data, &length) != -1) {
+    while (receivepacket(&ip_port, data, &length) != -1) {
         //if(rand() % 3 != 1)//add packet loss
         //{
-            if(LosslessUDP_handlepacket(data, length, ip_port)) {
+            if (LosslessUDP_handlepacket(data, length, ip_port)) {
                     printpacket(data, length, ip_port);
             } else {
                 //printconnection(0);
@@ -147,7 +147,8 @@ int main(int argc, char *argv[])
     int read;
     
     FILE *file = fopen(argv[1], "wb");
-    if ( file==NULL ){return 1;}
+    if (file == NULL)
+      return 1;
     
     
     //initialize networking
@@ -161,7 +162,7 @@ int main(int argc, char *argv[])
     uint64_t timer = current_time();
     
     
-    while(1) {
+    while (1) {
         Lossless_UDP();
         connection = incoming_connection();
         if(connection != -1) {
@@ -176,17 +177,16 @@ int main(int argc, char *argv[])
     
     timer = current_time();
     
-    while(1) {
+    while (1) {
         //printconnection(0);
         Lossless_UDP();
-        if(is_connected(connection) >= 2) {
+        if (is_connected(connection) >= 2) {
             kill_connection_in(connection, 3000000);
             read = read_packet(connection, buffer);
-            if(read != 0) {
+            if (read != 0) {
                // printf("Recieved data.\n");
-                if(!fwrite(buffer, read, 1, file)) {
+                if (!fwrite(buffer, read, 1, file)) 
                         printf("file write error\n");
-                }
             }
         }
         if(is_connected(connection) == 4) {
diff --git a/testing/nTox.c b/testing/nTox.c
index 3a5e9bb3..27654191 100644
--- a/testing/nTox.c
+++ b/testing/nTox.c
@@ -39,9 +39,9 @@ int nick_before;
 void new_lines(char *line)
 {
     int i;
-    for (i = HISTORY-1; i > 0; i--) {
+    for (i = HISTORY-1; i > 0; i--) 
         strcpy(lines[i],lines[i-1]);
-    }
+    
     strcpy(lines[0],line);
     do_refresh();
 }
@@ -53,8 +53,7 @@ unsigned char * hex_string_to_bin(char hex_string[])
     unsigned char * val = malloc(len);
     char * pos = hex_string;
     int i=0;
-    while(i < len)
-    {
+    while(i < len) {
         sscanf(pos,"%2hhx",&val[i]);
         pos+=2;
         i++;
@@ -71,17 +70,18 @@ void line_eval(char lines[HISTORY][STRING_LENGTH], char *line)
         if (line[1] == 'f') { // add friend command: /f ID
             int i;
             char temp_id[128];
-            for (i=0; i<128; i++) {
+            for (i=0; i<128; i++) 
                 temp_id[i] = line[i+3];
-            }
             int num = m_addfriend(hex_string_to_bin(temp_id), (uint8_t*)"Install Gentoo", sizeof("Install Gentoo"));
             char numstring[100];
             sprintf(numstring, "[i] added friend %d", num);
             new_lines(numstring);
             do_refresh();
-        } else if (line[1] == 'd') {
+        }
+        else if (line[1] == 'd') {
             doMessenger();
-        } else if (line[1] == 'm') { //message command: /m friendnumber messsage
+        }
+        else if (line[1] == 'm') { //message command: /m friendnumber messsage
             int i;
             size_t len = strlen(line);
             char numstring[len-3];
@@ -91,15 +91,15 @@ void line_eval(char lines[HISTORY][STRING_LENGTH], char *line)
                     numstring[i] = line[i+3];
                 } else {
                     int j;
-                    for (j=i+1; j<len; j++) {
+                    for (j=i+1; j<len; j++)
                         message[j-i-1] = line[j+3];
-                    }
                     break;
                 }
             }
             int num = atoi(numstring);
             m_sendmessage(num, (uint8_t*) message, sizeof(message));
-        } else if (line[1] == 'n') {
+        }
+        else if (line[1] == 'n') {
             uint8_t name[MAX_NAME_LENGTH];
             int i = 0;
             size_t len = strlen(line);
@@ -112,7 +112,8 @@ void line_eval(char lines[HISTORY][STRING_LENGTH], char *line)
             char numstring[100];
             sprintf(numstring, "[i] changed nick to %s", (char*)name);
             new_lines(numstring);
-        } else if (line[1] == 's') {
+        }
+        else if (line[1] == 's') {
             uint8_t status[MAX_USERSTATUS_LENGTH];
             int i = 0;
             size_t len = strlen(line);
@@ -125,7 +126,8 @@ void line_eval(char lines[HISTORY][STRING_LENGTH], char *line)
             char numstring[100];
             sprintf(numstring, "[i] changed status to %s", (char*)status);
             new_lines(numstring);
-        } else if (line[1] == 'q') { //exit
+        }
+        else if (line[1] == 'q') { //exit
             endwin();
             exit(EXIT_SUCCESS);
         }
@@ -139,7 +141,7 @@ void wrap(char output[STRING_LENGTH], char input[STRING_LENGTH], int line_width)
     int i = 0;
     strcpy(output,input);
     size_t len = strlen(output);
-    for (i=line_width; i < len; i = i + line_width) {
+    for (i = line_width; i < len; i = i + line_width) {
         while (output[i] != ' ' && i != 0) {
             i--;
         }
@@ -155,9 +157,8 @@ int count_lines(char *string)
     int i;
     int count = 1;
     for (i=0; i < len; i++) {
-        if (string[i] == '\n') {
+        if (string[i] == '\n')
             count++;
-        }
     }
     return count;
 }
@@ -196,11 +197,11 @@ void do_refresh()
     refresh();
 }
 
-void print_request(uint8_t * public_key, uint8_t * data, uint16_t length)
+void print_request(uint8_t *public_key, uint8_t *data, uint16_t length)
 {
     new_lines("[i] received friend request");
     do_refresh();
-    if(memcmp(data , "Install Gentoo", sizeof("Install Gentoo")) == 0 )
+    if (memcmp(data , "Install Gentoo", sizeof("Install Gentoo")) == 0)
     //if the request contained the message of peace the person is obviously a friend so we add him.
     {
         new_lines("[i] friend request accepted");
@@ -298,15 +299,14 @@ int main(int argc, char *argv[])
     uint32_t i;
     for(i = 0; i < 32; i++)
     {
-        if(self_public_key[i] < 16) {
+        if(self_public_key[i] < 16)
             strcpy(idstring1[i],"0");
-        } else {
+        else 
             strcpy(idstring1[i], "");
-        }
         sprintf(idstring2[i], "%hhX",self_public_key[i]);
     }
     strcpy(idstring0,"[i] your ID: ");
-    for(i=0; i<32; i++) {
+    for (i=0; i<32; i++) {
         strcat(idstring0,idstring1[i]);
         strcat(idstring0,idstring2[i]);
     }
@@ -320,11 +320,11 @@ int main(int argc, char *argv[])
     IP_Port bootstrap_ip_port;
     bootstrap_ip_port.port = htons(atoi(argv[2]));
     int resolved_address = resolve_addr(argv[1]);
-    if (resolved_address != -1) {
+    if (resolved_address != -1)
         bootstrap_ip_port.ip.i = resolved_address;
-    } else {
+    else 
         exit(1);
-    }
+    
     DHT_bootstrap(bootstrap_ip_port, hex_string_to_bin(argv[3]));
     nodelay(stdscr, TRUE);
     while(true) {
-- 
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