Varnish plugin: more concise formatting of plugin instance.

diff --git a/src/varnish.c b/src/varnish.c
index 2325312..df36cd1 100644 (file)
--- a/src/varnish.c
+++ b/src/varnish.c
@@ -167,10 +167,8 @@ static int varnish_submit (const char *plugin_instance, /* {{{ */
        if (plugin_instance == NULL)
                plugin_instance = "default";
 
-       sstrncpy (vl.plugin_instance, plugin_instance,
-                               sizeof (vl.plugin_instance));
-       strncat(vl.plugin_instance, "-", 1);
-       strncat(vl.plugin_instance, category, sizeof(category));
+       ssnprintf(vl.plugin_instance, sizeof (vl.plugin_instance),
+               "%s-%s", plugin_instance, category);
 
        sstrncpy(vl.type, type, sizeof(vl.type));