check for snprintf failure

diff --git a/bin/named/unix/os.c b/bin/named/unix/os.c
index a44d6c1cca88b350ff2ec38c7f60e4f9e6e2d79e..7ea07fdd8d8e093877e9a4c90b932f2c8965ccc1 100644 (file)
--- a/bin/named/unix/os.c
+++ b/bin/named/unix/os.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: os.c,v 1.101 2009/08/13 07:04:38 marka Exp $ */
+/* $Id: os.c,v 1.102 2010/11/16 00:47:48 marka Exp $ */
 
 /*! \file */
 
@@ -950,7 +950,7 @@ ns_os_shutdownmsg(char *command, isc_buffer_t *text) {
                     isc_buffer_availablelength(text),
                     "pid: %ld", (long)pid);
        /* Only send a message if it is complete. */
-       if (n < isc_buffer_availablelength(text))
+       if (n > 0 && n < isc_buffer_availablelength(text))
                isc_buffer_add(text, n);
 }