From b9cb5d4f0b1e120b4b770b55189c87241b77e65b Mon Sep 17 00:00:00 2001
From: paulc <paulc@acf43c95-373e-0410-b603-e72c3f656dc1>
Date: Fri, 16 Apr 2021 10:24:17 +0000
Subject: [PATCH] Don't add spacing for empty strings in Engine.output(), just
 like in Engine.debug().

git-svn-id: http://yate.null.ro/svn/yate/trunk@6479 acf43c95-373e-0410-b603-e72c3f656dc1
---
 modules/javascript.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/modules/javascript.cpp b/modules/javascript.cpp
index 17e37cc6..f7fcd1ce 100644
--- a/modules/javascript.cpp
+++ b/modules/javascript.cpp
@@ -1323,10 +1323,12 @@ bool JsEngine::runNative(ObjList& stack, const ExpOperation& oper, GenObject* co
 	String str;
 	for (int i = (int)oper.number(); i; i--) {
 	    ExpOperation* op = popValue(stack,context);
-	    if (str)
-		str = *op + " " + str;
-	    else
-		str = *op;
+	    if (*op) {
+		if (str)
+		    str = *op + " " + str;
+		else
+		    str = *op;
+	    }
 	    TelEngine::destruct(op);
 	}
 	if (str) {