[GNUnet-SVN] [gnunet] branch master updated: handle error properly, do not just log but continue gracefully -- v6 also

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 328aade82 handle error properly, do not just log but continue 
gracefully -- v6 also
328aade82 is described below

commit 328aade82c1f698ac7b93894a4bd659e14f41e4d
Author: Christian Grothoff <address@hidden>
AuthorDate: Sat Jan 6 21:37:27 2018 +0100

    handle error properly, do not just log but continue gracefully -- v6 also
---
 src/gns/gnunet-dns2gns.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/gns/gnunet-dns2gns.c b/src/gns/gnunet-dns2gns.c
index bf7cca042..2f0de030d 100644
--- a/src/gns/gnunet-dns2gns.c
+++ b/src/gns/gnunet-dns2gns.c
@@ -586,16 +586,26 @@ read_dns6 (void *cls)
     }
   {
     char buf[size];
+    ssize_t sret;
 
     addrlen = sizeof (v6);
-    GNUNET_break (size ==
-                 GNUNET_NETWORK_socket_recvfrom (listen_socket6,
-                                                 buf,
-                                                 size,
-                                                 (struct sockaddr *) &v6,
-                                                 &addrlen));
-    handle_request (listen_socket6, &v6, addrlen,
-                   buf, size);
+    sret = GNUNET_NETWORK_socket_recvfrom (listen_socket6,
+                                          buf,
+                                          size,
+                                          (struct sockaddr *) &v6,
+                                          &addrlen);
+    if (0 > sret)
+    {
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
+                          "recvfrom");
+      return;
+    }
+    GNUNET_break (size == (size_t) sret);
+    handle_request (listen_socket6,
+                   &v6,
+                   addrlen,
+                   buf,
+                   size);
   }
 }
 

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