From 3fbe7da83b92418c8281419bde36ff3bd5abd713 Mon Sep 17 00:00:00 2001
From: Niklas Eiling <niklas.eiling@rwth-aachen.de>
Date: Mon, 6 Jul 2020 16:56:49 +0200
Subject: [PATCH] make signal_data print raw data when signal type is
 unspecified or unknown

---
 lib/signal_data.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/signal_data.cpp b/lib/signal_data.cpp
index 9b617b381..ce47d594c 100644
--- a/lib/signal_data.cpp
+++ b/lib/signal_data.cpp
@@ -282,6 +282,6 @@ int signal_data_print_str(const union signal_data *data, const struct signal *si
 			return snprintf(buf, len, "%.6f%+.6fi", std::real(data->z), std::imag(data->z));
 
 		default:
-			return 0;
+			return snprintf(buf, len, "< ? >");
 	}
 }