From 93c760672389d15763b6f3c93884b781b66bc32b Mon Sep 17 00:00:00 2001
From: Pin Che <tan,pinche@kabam.ai>
Date: Mon, 22 May 2023 10:58:53 +0800
Subject: [PATCH] added code to handle empty string in deserializeIntoJson

---
 src/ros_parser.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/ros_parser.cpp b/src/ros_parser.cpp
index ec4d436..e8de8fc 100644
--- a/src/ros_parser.cpp
+++ b/src/ros_parser.cpp
@@ -522,7 +522,14 @@ bool Parser::deserializeIntoJson(Span<const uint8_t> buffer, std::string* json_t
               {
                 throw std::runtime_error("Buffer overrun");
               }
-              new_value.SetString(reinterpret_cast<const char*>(&buffer[buffer_offset]), string_size, alloc);
+              if(string_size == 0)
+              {
+                new_value.SetString("");
+              }
+              else
+              {
+                new_value.SetString(reinterpret_cast<const char*>(&buffer[buffer_offset]), string_size, alloc);
+              }
               buffer_offset += string_size;
             }
             break;