fix #1 (publisher crash when handling zero length payload)

eclipse-ecal · Jan 13, 2022 · eae093f · eae093f
1 parent 00eb000
commit eae093f
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/tcp_pubsub/src/publisher_impl.cpp b/tcp_pubsub/src/publisher_impl.cpp
@@ -279,8 +279,11 @@ namespace tcp_pubsub
       size_t current_position = header_size;
       for (const auto& payload : payloads)
       {
-        memcpy(&((*buffer)[current_position]), payload.first, payload.second);
-        current_position += payload.second;
+        if (payload.first && (payload.second > 0))
+        {
+          memcpy(&((*buffer)[current_position]), payload.first, payload.second);
+          current_position += payload.second;
+        }
       }
     }