From d8855fd2c6b11b3316950754038f86e65163dad8 Mon Sep 17 00:00:00 2001
From: Loic Blot <loic.blot@unix-experience.fr>
Date: Mon, 30 Oct 2017 08:38:20 +0100
Subject: [PATCH] json::escape_string: if str is null return empty string

---
 src/main/cpp/json.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/cpp/json.cpp b/src/main/cpp/json.cpp
index 16e0a7d..cbe443a 100644
--- a/src/main/cpp/json.cpp
+++ b/src/main/cpp/json.cpp
@@ -23,6 +23,10 @@ namespace json {
 
 std::string escape_string(const char *str)
 {
+	if (!str) {
+		return "";
+	}
+
 	std::string result;
 	// Create a sufficient buffer to escape all chars
 	result.reserve(strlen(str) * 2 + 3);