tox_group_get_names now returns a list of name lengths along with the list of names.

TCP test now also tests pings.

auto_tests/TCP_test.c

@@ -274,6 +274,16 @@ START_TEST(test_some)
     ck_assert_msg(len == sizeof(test_packet), "wrong len %u", len);
     ck_assert_msg(memcmp(data, test_packet, sizeof(test_packet)) == 0, "packet is wrong %u %u %u %u", data[0], data[1],
                   data[sizeof(test_packet) - 2], data[sizeof(test_packet) - 1]);
+
+    uint8_t ping_packet[1 + sizeof(uint64_t)] = {4, 8, 6, 9, 67};
+    write_packet_TCP_secure_connection(con1, ping_packet, sizeof(ping_packet));
+    c_sleep(50);
+    do_TCP_server(tcp_s);
+    c_sleep(50);
+    len = read_packet_sec_TCP(con1, data, 2 + sizeof(ping_packet) + crypto_box_MACBYTES);
+    ck_assert_msg(len == sizeof(ping_packet), "wrong len %u", len);
+    ck_assert_msg(data[0] == 5, "wrong packet id %u", data[0]);
+    ck_assert_msg(memcmp(ping_packet + 1, data + 1, sizeof(uint64_t)) == 0, "wrong packet data");
 }
 END_TEST
 

testing/nTox.c

@@ -1020,7 +1020,8 @@ void print_groupchatpeers(Tox *m, int groupnumber)
     }
 
     uint8_t names[num][TOX_MAX_NAME_LENGTH];
-    tox_group_get_names(m, groupnumber, names, num);
+    uint16_t lengths[num];
+    tox_group_get_names(m, groupnumber, names, lengths, num);
     int i;
     char numstr[16];
     char header[] = "[g]+ ";
@@ -1030,7 +1031,7 @@ void print_groupchatpeers(Tox *m, int groupnumber)
     size_t len_total = header_len;
 
     for (i = 0; i < num; ++i) {
-        size_t len_name = strlen((char *)names[i]);
+        size_t len_name = lengths[i];
         size_t len_num = sprintf(numstr, "%i: ", i);
 
         if (len_num + len_name + len_total + 3 >= STRING_LENGTH) {
@@ -1042,7 +1043,7 @@ void print_groupchatpeers(Tox *m, int groupnumber)
 
         strcpy(msg + len_total, numstr);
         len_total += len_num;
-        strcpy(msg + len_total, (char *)names[i]);
+        memcpy(msg + len_total, (char *)names[i], len_name);
         len_total += len_name;
 
         if (i < num - 1) {

toxcore/Messenger.c

@@ -1243,16 +1243,18 @@ int group_number_peers(Messenger *m, int groupnumber)
  *
  * Copies the names of the peers to the name[length][MAX_NICK_BYTES] array.
  *
+ * Copies the lengths of the names to lengths[length]
+ *
  * returns the number of peers on success.
  *
  * return -1 on failure.
  */
-int group_names(Messenger *m, int groupnumber, uint8_t names[][MAX_NICK_BYTES], uint16_t length)
+int group_names(Messenger *m, int groupnumber, uint8_t names[][MAX_NICK_BYTES], uint16_t lengths[], uint16_t length)
 {
     if (groupnumber_not_valid(m, groupnumber))
         return -1;
 
-    return group_client_names(m->chats[groupnumber], names, length);
+    return group_client_names(m->chats[groupnumber], names, lengths, length);
 }
 
 static int handle_group(void *object, IP_Port source, uint8_t *packet, uint32_t length)

toxcore/Messenger.h

@@ -596,11 +596,13 @@ int group_number_peers(Messenger *m, int groupnumber);
  *
  * Copies the names of the peers to the name[length][MAX_NICK_BYTES] array.
  *
+ * Copies the lengths of the names to lengths[length]
+ *
  * returns the number of peers on success.
  *
  * return -1 on failure.
  */
-int group_names(Messenger *m, int groupnumber, uint8_t names[][MAX_NICK_BYTES], uint16_t length);
+int group_names(Messenger *m, int groupnumber, uint8_t names[][MAX_NICK_BYTES], uint16_t lengths[], uint16_t length);
 
 /****************FILE SENDING*****************/
 

toxcore/group_chats.c

@@ -719,12 +719,12 @@ uint32_t group_numpeers(Group_Chat *chat)
     return chat->numpeers;
 }
 
-uint32_t group_client_names(Group_Chat *chat, uint8_t names[][MAX_NICK_BYTES], uint16_t length)
+uint32_t group_client_names(Group_Chat *chat, uint8_t names[][MAX_NICK_BYTES], uint16_t lengths[], uint16_t length)
 {
     uint32_t i;
 
     for (i = 0; i < chat->numpeers && i < length; ++i) {
-        group_peername(chat, i, names[i]);
+        lengths[i] = group_peername(chat, i, names[i]);
     }
 
     return i;

toxcore/group_chats.h

@@ -174,7 +174,7 @@ uint32_t group_numpeers(Group_Chat *chat);
  *
  * returns the number of peers.
  */
-uint32_t group_client_names(Group_Chat *chat, uint8_t names[][MAX_NICK_BYTES], uint16_t length);
+uint32_t group_client_names(Group_Chat *chat, uint8_t names[][MAX_NICK_BYTES], uint16_t lengths[], uint16_t length);
 
 /* Kill a group chat
  *

toxcore/tox.c

@@ -593,14 +593,17 @@ int tox_group_number_peers(Tox *tox, int groupnumber)
  *
  * Copies the names of the peers to the name[length][MAX_NICK_BYTES] array.
  *
+ * Copies the lengths of the names to lengths[length]
+ *
  * returns the number of peers on success.
  *
  * return -1 on failure.
  */
-int tox_group_get_names(Tox *tox, int groupnumber, uint8_t names[][TOX_MAX_NAME_LENGTH], uint16_t length)
+int tox_group_get_names(Tox *tox, int groupnumber, uint8_t names[][TOX_MAX_NAME_LENGTH], uint16_t lengths[],
+                        uint16_t length)
 {
     Messenger *m = tox;
-    return group_names(m, groupnumber, names, length);
+    return group_names(m, groupnumber, names, lengths, length);
 }
 
 /* Return the number of chats in the instance m.

toxcore/tox.h

@@ -462,11 +462,14 @@ int tox_group_number_peers(Tox *tox, int groupnumber);
  *
  * Copies the names of the peers to the name[length][TOX_MAX_NAME_LENGTH] array.
  *
+ * Copies the lengths of the names to lengths[length]
+ *
  * returns the number of peers on success.
  *
  * return -1 on failure.
  */
-int tox_group_get_names(Tox *tox, int groupnumber, uint8_t names[][TOX_MAX_NAME_LENGTH], uint16_t length);
+int tox_group_get_names(Tox *tox, int groupnumber, uint8_t names[][TOX_MAX_NAME_LENGTH], uint16_t lengths[],
+                        uint16_t length);
 
 /* Return the number of chats in the instance m.
  * You should use this to determine how much memory to allocate