names-net: Avoid buffer overflow warnings by newer gcc

diff --git a/lib/names-net.c b/lib/names-net.c
index 655b4861bc8c81a21ed3f9ee30009dc91999ff6d..95a6fd2654cd26cb378efad050b8fbd225bc1e07 100644 (file)
--- a/lib/names-net.c
+++ b/lib/names-net.c
@@ -196,7 +196,7 @@ char
     default:
       return NULL;
     }
-  sprintf(dnsname, "%s.%s", name, domain);
+  sprintf(dnsname, "%.100s.%.100s", name, domain);
 
   a->debug("Resolving %s\n", dnsname);
   if (!resolver_inited)