Fixed const related warnings.

auto_tests/TCP_test.c

@@ -294,7 +294,7 @@ END_TEST
 static int response_callback_good;
 static uint8_t response_callback_connection_id;
 static uint8_t response_callback_public_key[crypto_box_PUBLICKEYBYTES];
-static int response_callback(void *object, uint8_t connection_id, uint8_t *public_key)
+static int response_callback(void *object, uint8_t connection_id, const uint8_t *public_key)
 {
     if (set_tcp_connection_number(object - 2, connection_id, 7) != 0)
         return 1;
@@ -321,7 +321,7 @@ static int status_callback(void *object, uint32_t number, uint8_t connection_id,
     return 0;
 }
 static int data_callback_good;
-static int data_callback(void *object, uint32_t number, uint8_t connection_id, uint8_t *data, uint16_t length)
+static int data_callback(void *object, uint32_t number, uint8_t connection_id, const uint8_t *data, uint16_t length)
 {
     if (object != (void *)3)
         return 1;
@@ -342,7 +342,7 @@ static int data_callback(void *object, uint32_t number, uint8_t connection_id, u
 
 static int oob_data_callback_good;
 static uint8_t oob_pubkey[crypto_box_PUBLICKEYBYTES];
-static int oob_data_callback(void *object, uint8_t *public_key, uint8_t *data, uint16_t length)
+static int oob_data_callback(void *object, const uint8_t *public_key, const uint8_t *data, uint16_t length)
 {
     if (object != (void *)4)
         return 1;

auto_tests/tox_test.c

@@ -30,7 +30,7 @@ void accept_friend_request(Tox *m, const uint8_t *public_key, const uint8_t *dat
 }
 uint32_t messages_received;
 
-void print_message(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
+void print_message(Tox *m, int friendnumber, const uint8_t *string, uint16_t length, void *userdata)
 {
     if (*((uint32_t *)userdata) != 974536)
         return;
@@ -44,7 +44,7 @@ void print_message(Tox *m, int friendnumber, uint8_t *string, uint16_t length, v
 
 uint32_t name_changes;
 
-void print_nickchange(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
+void print_nickchange(Tox *m, int friendnumber, const uint8_t *string, uint16_t length, void *userdata)
 {
     if (*((uint32_t *)userdata) != 974536)
         return;
@@ -69,7 +69,7 @@ void print_typingchange(Tox *m, int friendnumber, uint8_t typing, void *userdata
 uint8_t filenum;
 uint32_t file_accepted;
 uint64_t file_size;
-void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, uint8_t *filename,
+void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, const uint8_t *filename,
                          uint16_t filename_length, void *userdata)
 {
     if (*((uint32_t *)userdata) != 974536)
@@ -85,7 +85,7 @@ void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t
 uint32_t file_sent;
 uint32_t sendf_ok;
 void file_print_control(Tox *m, int friendnumber, uint8_t send_recieve, uint8_t filenumber, uint8_t control_type,
-                        uint8_t *data, uint16_t length, void *userdata)
+                        const uint8_t *data, uint16_t length, void *userdata)
 {
     if (*((uint32_t *)userdata) != 974536)
         return;
@@ -100,7 +100,7 @@ void file_print_control(Tox *m, int friendnumber, uint8_t send_recieve, uint8_t
 
 uint64_t size_recv;
 uint8_t num;
-void write_file(Tox *m, int friendnumber, uint8_t filenumber, uint8_t *data, uint16_t length, void *userdata)
+void write_file(Tox *m, int friendnumber, uint8_t filenumber, const uint8_t *data, uint16_t length, void *userdata)
 {
     if (*((uint32_t *)userdata) != 974536)
         return;

testing/nTox.c

@@ -876,14 +876,16 @@ void print_request(Tox *m, const uint8_t *public_key, const uint8_t *data, uint1
     do_refresh();
 }
 
-void print_message(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
+void print_message(Tox *m, int friendnumber, const uint8_t *string, uint16_t length, void *userdata)
 {
     /* ensure null termination */
-    string[length - 1] = 0;
+    uint8_t null_string[length + 1];
-    print_formatted_message(m, (char *)string, friendnumber, 0);
+    memcpy(null_string, string, length);
+    null_string[length] = 0;
+    print_formatted_message(m, (char *)null_string, friendnumber, 0);
 }
 
-void print_nickchange(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
+void print_nickchange(Tox *m, int friendnumber, const uint8_t *string, uint16_t length, void *userdata)
 {
     char name[TOX_MAX_NAME_LENGTH + 1];
 
@@ -899,7 +901,7 @@ void print_nickchange(Tox *m, int friendnumber, uint8_t *string, uint16_t length
     }
 }
 
-void print_statuschange(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
+void print_statuschange(Tox *m, int friendnumber, const uint8_t *string, uint16_t length, void *userdata)
 {
     char name[TOX_MAX_NAME_LENGTH + 1];
 
@@ -999,7 +1001,7 @@ void print_help(char *prog_name)
     puts("  -f keyfile      [Optional] Specify a keyfile to read from and write to.");
 }
 
-void print_invite(Tox *m, int friendnumber, uint8_t *group_public_key, void *userdata)
+void print_invite(Tox *m, int friendnumber, const uint8_t *group_public_key, void *userdata)
 {
     char msg[256];
     sprintf(msg, "[i] received group chat invite from: %u, auto accepting and joining. group number: %u", friendnumber,
@@ -1055,7 +1057,8 @@ void print_groupchatpeers(Tox *m, int groupnumber)
     new_lines_mark(msg, 1);
 }
 
-void print_groupmessage(Tox *m, int groupnumber, int peernumber, uint8_t *message, uint16_t length, void *userdata)
+void print_groupmessage(Tox *m, int groupnumber, int peernumber, const uint8_t *message, uint16_t length,
+                        void *userdata)
 {
     char msg[256 + length];
     uint8_t name[TOX_MAX_NAME_LENGTH] = {0};
@@ -1116,7 +1119,7 @@ void print_groupnamelistchange(Tox *m, int groupnumber, int peernumber, uint8_t
         print_groupchatpeers(m, groupnumber);
     }
 }
-void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, uint8_t *filename,
+void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, const uint8_t *filename,
                          uint16_t filename_length, void *userdata)
 {
     char msg[512];
@@ -1131,8 +1134,7 @@ void file_request_accept(Tox *m, int friendnumber, uint8_t filenumber, uint64_t
 }
 
 void file_print_control(Tox *m, int friendnumber, uint8_t send_recieve, uint8_t filenumber, uint8_t control_type,
-                        uint8_t *data,
+                        const uint8_t *data, uint16_t length, void *userdata)
-                        uint16_t length, void *userdata)
 {
     char msg[512] = {0};
 
@@ -1146,7 +1148,7 @@ void file_print_control(Tox *m, int friendnumber, uint8_t send_recieve, uint8_t
     new_lines(msg);
 }
 
-void write_file(Tox *m, int friendnumber, uint8_t filenumber, uint8_t *data, uint16_t length, void *userdata)
+void write_file(Tox *m, int friendnumber, uint8_t filenumber, const uint8_t *data, uint16_t length, void *userdata)
 {
     char filename[256];
     sprintf(filename, "%u.%u.bin", friendnumber, filenumber);

toxav/msi.c

@@ -1240,7 +1240,7 @@ int handle_recv_error ( MSISession *session, MSICall *call, MSIMessage *msg )
  *
  *
  */
-void msi_handle_packet ( Messenger *messenger, int source, uint8_t *data, uint16_t length, void *object )
+void msi_handle_packet ( Messenger *messenger, int source, const uint8_t *data, uint16_t length, void *object )
 {
     LOGGER_DEBUG("Got msi message");
     /* Unused */

toxav/rtp.c

@@ -386,7 +386,7 @@ RTPMessage *msg_parse ( const uint8_t *data, int length )
  * @retval -1 Error occurred.
  * @retval 0 Success.
  */
-int rtp_handle_packet ( void *object, uint8_t *data, uint32_t length )
+int rtp_handle_packet ( void *object, const uint8_t *data, uint32_t length )
 {
     RTPSession *_session = object;
     RTPMessage *_msg;