vep: Extract src attr parsing to its own function

bin/varnishd/cache/cache_esi_parse.c

@@ -429,16 +429,11 @@ vep_do_remove(struct vep_state *vep, enum dowhat what)
 /*---------------------------------------------------------------------
  */
 
-static void v_matchproto_()
-vep_do_include(struct vep_state *vep, enum dowhat what)
+static void
+include_attr_src(struct vep_state *vep)
 {
-	const char *p, *q, *h;
-	ssize_t l;
+	const char *p;
 
-	Debug("DO_INCLUDE(%d)\n", what);
-	if (what == DO_ATTR) {
-		Debug("ATTR (%s) (%s)\n", vep->match_hit->match,
-			VSB_data(vep->attr_vsb));
 	if (vep->include_src != NULL) {
 		vep_error(vep,
 		    "ESI 1.0 <esi:include> "
@@ -463,8 +458,24 @@ vep_do_include(struct vep_state *vep, enum dowhat what)
 	}
 	vep->include_src = vep->attr_vsb;
 	vep->attr_vsb = NULL;
+}
+
+static void v_matchproto_()
+vep_do_include(struct vep_state *vep, enum dowhat what)
+{
+	const char *p, *q, *h;
+	ssize_t l;
+
+	Debug("DO_INCLUDE(%d)\n", what);
+	if (what == DO_ATTR) {
+		Debug("ATTR (%s) (%s)\n", vep->match_hit->match,
+			VSB_data(vep->attr_vsb));
+		if (!strcmp("src=", vep->match_hit->match)) {
+			include_attr_src(vep);
 			return;
 		}
+		WRONG("Unhandled <esi:include> attribute");
+	}
 	assert(what == DO_TAG);
 	if (!vep->emptytag)
 		vep_warn(vep, "ESI 1.0 <esi:include> lacks final '/'");