10076 make usr/src/test smatch clean

@@ -10,11 +10,11 @@
 #
 
 #
 # Copyright (c) 2012 by Delphix. All rights reserved.
 # Copyright 2015 Garrett D'Amore <garrett@damore.org>
-# Copyright 2016 Joyent, Inc.
+# Copyright (c) 2018, Joyent, Inc.
 #
 
 SUBDIRS = \
         catopen \
         fpround \

@@ -54,10 +54,13 @@
         quick_exit \
         psignal
 
 CPPFLAGS += -D_REENTRANT
 
+# needs work
+SMOFF += all_func_returns,snprintf_overflow
+
 PROGS32 = $(PROGS:%=%.32)
 PROGS64 = \
         $(PROGS:%=%.64) \
         printf-6961.64