note about assertion actually failing

[oweals/gnunet.git] / src / transport / tcp_connection_legacy.c

diff --git a/src/transport/tcp_connection_legacy.c b/src/transport/tcp_connection_legacy.c
index 5b219a467c1966d14332bfed33b53a625ced0f0b..6ecf50b79666e92cc1e3b8b94c291e6a45397bfa 100644 (file)
--- a/src/transport/tcp_connection_legacy.c
+++ b/src/transport/tcp_connection_legacy.c
@@ -2,20 +2,20 @@
      This file is part of GNUnet.
      Copyright (C) 2009-2013 GNUnet e.V.
 
-     GNUnet is free software; you can redistribute it and/or modify
-     it under the terms of the GNU General Public License as published
-     by the Free Software Foundation; either version 3, or (at your
-     option) any later version.
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-     General Public License for more details.
+     Affero General Public License for more details.
+    
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-     You should have received a copy of the GNU General Public License
-     along with GNUnet; see the file COPYING.  If not, write to the
-     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
 /**
@@ -1218,8 +1218,10 @@ RETRY:
  * @param timeout maximum amount of time to wait
  * @param receiver function to call with received data
  * @param receiver_cls closure for @a receiver
+ * @return #GNUNET_SYSERR if @a connection died (receiver was
+ *          called with error)
  */
-void
+int
 GNUNET_CONNECTION_receive (struct GNUNET_CONNECTION_Handle *connection,
                            size_t max,
                            struct GNUNET_TIME_Relative timeout,
@@ -1241,7 +1243,7 @@ GNUNET_CONNECTION_receive (struct GNUNET_CONNECTION_Handle *connection,
                                      connection->sock,
                                      &receive_ready,
                                      connection);
-    return;
+    return GNUNET_OK;
   }
   if ((NULL == connection->dns_active) &&
       (NULL == connection->ap_head) &&
@@ -1252,8 +1254,9 @@ GNUNET_CONNECTION_receive (struct GNUNET_CONNECTION_Handle *connection,
              NULL, 0,
              NULL, 0,
              ETIMEDOUT);
-    return;
+    return GNUNET_SYSERR;
   }
+  return GNUNET_OK;
 }