web_server: Complain if sendChunk is called with a zero-length chunk.

Tinkerforge · Nov 27, 2024 · 6f81cc6 · 6f81cc6
1 parent 6a0e4b9
commit 6f81cc6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/software/src/modules/web_server/web_server.cpp b/software/src/modules/web_server/web_server.cpp
@@ -543,6 +543,9 @@ int WebServerRequest::sendChunk(const char *chunk, ssize_t chunk_len)
             break;
     }
 
+    if (chunk_len == 0)
+        logger.printfln("BUG: sendChunk was called with chunk_len == 0! Use endChunkedResponse!");
+
     auto result = httpd_resp_send_chunk(req, chunk, chunk_len);
     if (result != ESP_OK) {
         chunkedResponseState = ChunkedResponseState::Failed;