From dcc99155bcba7434edefc10a8b4ac658f984981e Mon Sep 17 00:00:00 2001
From: Steffen Pohle <steffen@gulpe.de>
Date: Sun, 19 Apr 2026 12:22:48 +0200
Subject: [PATCH] json SetArray without values will setup an empty array

---
 Changelog            | 3 +++
 UDPTCPNetwork-json.h | 1 +
 json.cc              | 9 ++++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Changelog b/Changelog
index 80a4a9d..5972726 100644
--- a/Changelog
+++ b/Changelog
@@ -1,5 +1,8 @@
 Version 0.4:
 =============
+2026-04-19:
+- JSONElement: adding SetArray function to create an valid empty array
+
 2026-04-17:
 - adding function to request a certain headline
 - base64decode increase the outputbuffer by 2 bytes for null-temrinated strings
diff --git a/UDPTCPNetwork-json.h b/UDPTCPNetwork-json.h
index a4ae61a..54a6a33 100644
--- a/UDPTCPNetwork-json.h
+++ b/UDPTCPNetwork-json.h
@@ -29,6 +29,7 @@ public:
 	void Set (std::string n, int64_t v);
 	void Set (std::string n, std::string v);
 	void SetArray (std::string n, std::list<JSONElement> *l);
+	void SetArray (std::string n);
 	void SetAddArray (std::string n, std::string jpstring);
 	void SetObject (std::string n, std::string s);
 	static std::string StringAddEscape(std::string *s);
diff --git a/json.cc b/json.cc
index d74c293..d44b9e3 100644
--- a/json.cc
+++ b/json.cc
@@ -533,12 +533,19 @@ void JSONElement::Set (std::string n, std::string v) {
 };
 
 
+void JSONElement::SetArray (std::string n) {
+	name = n;
+	type = JSON_T_ARRAY;
+	value = "[]";
+};
+
+
 void JSONElement::SetArray (std::string n, std::list<JSONElement> *l) {
 	std::list<JSONElement>::iterator iter;
 
 	name = n;
 	value = "[";
-	type = JSON_T_STRING;
+	type = JSON_T_ARRAY;
 
 	for (iter = l->begin(); iter != l->end(); iter++) {
 		if (iter != l->begin()) value += ",";