distinguish error from truncation

Signed-off-by: Christian Wyss <christian.wyss@gfk.com>

diff --git a/test-server/test-server.c b/test-server/test-server.c
index 2cdd67b..0a32ba0 100644 (file)
--- a/test-server/test-server.c
+++ b/test-server/test-server.c
@@ -592,7 +592,7 @@ callback_lws_mirror(struct libwebsocket_context *context,
                                   LWS_SEND_BUFFER_PRE_PADDING,
                                   ringbuffer[pss->ringbuffer_tail].len,
                                                                LWS_WRITE_TEXT);
-                       if (n < ringbuffer[pss->ringbuffer_tail].len) {
+                       if (n < 0) {
                                lwsl_err("ERROR %d writing to mirror socket\n", n);
                                return -1;
                        }