Do not read unset parameter

diff --git a/libs4c/cmdproc/cmdproc_test.c b/libs4c/cmdproc/cmdproc_test.c
index 0db4bd00fdc5cc95a85749b3c71eb2fe70f55939..3c63ab1239c295239a3ffeffe0bbf4606cdde57d 100644 (file)
--- a/libs4c/cmdproc/cmdproc_test.c
+++ b/libs4c/cmdproc/cmdproc_test.c
@@ -27,7 +27,7 @@ int cmd_do_testparam(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
       "param[0]=%s\n"
       "param[1]=%s\n"
       "param[2]=%s\n",
-      param[0], param[1], param[2]);
+      param[0], param[1], param[1] == NULL ? "!!unset!!" : param[2]);
 
   return 0;
 }