Merge pull request #12 from Intermodalics/fix/parsing-of-empty-strings

Fix ReadFromBuffer() for empty strings in debug mode
facontidavide · Oct 18, 2021 · 37cb15a · 37cb15a
2 parents 6068882 + 0cb17e5
commit 37cb15a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/ros_msg_parser/helper_functions.hpp b/include/ros_msg_parser/helper_functions.hpp
@@ -97,6 +97,11 @@ template <> inline void ReadFromBuffer( const Span<const uint8_t>& buffer, size_
     throw std::runtime_error("Buffer overrun in RosMsgParser::ReadFromBuffer");
   }
 
+  if (string_size == 0) {
+    destination = std::string();
+    return;
+  }
+
   const char* buffer_ptr = reinterpret_cast<const char*>( &buffer[offset] );
   offset += string_size;