shithub: libmujs

Download patch

ref: e4c77a78fb539bd135d92df9be3e30be42a65a8a
parent: a2fcfd69fecf79bb76020b042af00070e1f26eab
author: Tor Andersson <tor.andersson@artifex.com>
date: Thu Apr 28 09:04:48 EDT 2016

Handle null/undefined argArray in Function.prototype.apply().

--- a/jsfunction.c
+++ b/jsfunction.c
@@ -92,9 +92,13 @@
 	js_copy(J, 0);
 	js_copy(J, 1);
 
-	n = js_getlength(J, 2);
-	for (i = 0; i < n; ++i)
-		js_getindex(J, 2, i);
+	if (js_isnull(J, 2) || js_isundefined(J, 2)) {
+		n = 0;
+	} else {
+		n = js_getlength(J, 2);
+		for (i = 0; i < n; ++i)
+			js_getindex(J, 2, i);
+	}
 
 	js_call(J, n);
 }