[gpsd-dev] [PATCH] Improve test_libgps to detect gps_send() and gps_read() errors.

[Robert Norris]

---
 test_libgps.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/test_libgps.c b/test_libgps.c
index 1102c35..c9db543 100644
--- a/test_libgps.c
+++ b/test_libgps.c
@@ -104,8 +104,16 @@ int main(int argc, char *argv[])
                      errno, gps_errstr(errno));
        exit(EXIT_FAILURE);
     } else if (forwardmode) {
-       (void)gps_send(&collect, fmsg);
-       (void)gps_read(&collect);
+       if (gps_send(&collect, fmsg) == -1) {
+         (void)fprintf(stderr,
+                       "test_libgps: gps send error: %d, %s\n",
+                       errno, gps_errstr(errno));
+       }
+       if (gps_read(&collect) == -1) {
+         (void)fprintf(stderr,
+                       "test_libgps: gps read error: %d, %s\n",
+                       errno, gps_errstr(errno));
+       }
 #ifdef SOCKET_EXPORT_ENABLE
        libgps_dump_state(&collect);
 #endif
-- 
2.8.1