1 files changed, 8 insertions, 0 deletions
diff --git a/test_geoid.c b/test_geoid.c
index 19e926ba..2392b1a8 100644
--- a/test_geoid.c
+++ b/test_geoid.c
@@ -10,6 +10,14 @@
 
 #include "gpsd.h"
 
+ssize_t gpsd_write(struct gps_device_t *session,
+		   const char *buf,
+		   const size_t len)
+/* pass low-level data to devices straight through */
+{
+    return gpsd_serial_write(session, buf, len);
+}
+
 void gpsd_report(const int debuglevel, const int errlevel,
 		 const char *fmt, ...)
 {