Fixed chat room creation returned value if participants list only contains...

Fixed chat room creation returned value if participants list only contains invalid addresses like ourselves

include/linphone/api/c-chat-room.h

@@ -362,8 +362,9 @@ LINPHONE_PUBLIC void linphone_chat_room_add_participant (LinphoneChatRoom *cr, c
  * Use linphone_chat_room_can_handle_participants() to know if this chat room handles participants.
  * @param[in] cr A #LinphoneChatRoom object
  * @param[in] addresses \bctbx_list{LinphoneAddress}
+ * @return True if everything is OK, False otherwise
  */
-LINPHONE_PUBLIC void linphone_chat_room_add_participants (LinphoneChatRoom *cr, const bctbx_list_t *addresses);
+LINPHONE_PUBLIC bool_t linphone_chat_room_add_participants (LinphoneChatRoom *cr, const bctbx_list_t *addresses);
 
 /**
  * Tells whether a chat room is able to handle participants.

src/c-wrapper/api/c-chat-room.cpp

@@ -291,12 +291,12 @@ void linphone_chat_room_add_participant (LinphoneChatRoom *cr, const LinphoneAdd
 	);
 }
 
-void linphone_chat_room_add_participants (LinphoneChatRoom *cr, const bctbx_list_t *addresses) {
+bool_t linphone_chat_room_add_participants (LinphoneChatRoom *cr, const bctbx_list_t *addresses) {
 	list<LinphonePrivate::Address> lAddr = L_GET_RESOLVED_CPP_LIST_FROM_C_LIST(addresses, Address);
 	list<LinphonePrivate::IdentityAddress> lIdentAddr;
 	for (const auto &addr : lAddr)
 		lIdentAddr.push_back(LinphonePrivate::IdentityAddress(addr));
-	L_GET_CPP_PTR_FROM_C_OBJECT(cr)->addParticipants(lIdentAddr, nullptr, false);
+	return L_GET_CPP_PTR_FROM_C_OBJECT(cr)->addParticipants(lIdentAddr, nullptr, false);
 }
 
 bool_t linphone_chat_room_can_handle_participants (const LinphoneChatRoom *cr) {

src/core/core-chat-room.cpp

@@ -272,7 +272,10 @@ shared_ptr<AbstractChatRoom> CorePrivate::createChatRoom(const shared_ptr<ChatRo
 			return nullptr;
 		}
 			
-		chatRoom->addParticipants(participants, nullptr, false);
+		if (!chatRoom->addParticipants(participants, nullptr, false)) {
+			lWarning() << "Couldn't add participants to newly created chat room, aborting";
+			return nullptr;
+		}
 #else
 		lWarning() << "Advanced IM such as group chat is disabled!";
 		return nullptr;