poll PIDs for status information

[oweals/gnunet.git] / src / util / common_logging.c

diff --git a/src/util/common_logging.c b/src/util/common_logging.c
index 8ea0991224201e7d585580a6b4d9f135ed09a2e5..c77464eb54bdb028289cedf08e339ec25ffad380 100644 (file)
--- a/src/util/common_logging.c
+++ b/src/util/common_logging.c
@@ -417,6 +417,9 @@ const char *GNUNET_a2s (const struct sockaddr *addr,
   static char b2[6];
   const struct sockaddr_in * v4;
   const struct sockaddr_in6 *v6;
+
+  if (addr == NULL)
+    return _("unknown address");
   switch (addr->sa_family)
     {
     case AF_INET: