GCC now gets huffy about unchecked write(2) returns. Fix some of these.

1 files changed, 8 insertions, 4 deletions

diff --git a/dgpsip.c b/dgpsip.c
index 6383a548..2da757eb 100644
--- a/dgpsip.c
+++ b/dgpsip.c
@@ -35,8 +35,10 @@ int dgpsip_open(struct gps_context_t *context, const char *dgpsserver)
 	(void)gethostname(hn, sizeof(hn));
 	/* greeting required by some RTCM104 servers; others will ignore it */
 	(void)snprintf(buf,sizeof(buf), "HELO %s gpsd %s\r\nR\r\n",hn,VERSION);
-	(void)write(context->dsock, buf, strlen(buf));
-	context->dgnss_service = dgnss_dgpsip;
+	if (write(context->dsock, buf, strlen(buf)) == strlen(buf))
+	    context->dgnss_service = dgnss_dgpsip;
+	else
+	    gpsd_report(LOG_ERROR, "hello to DGPS server %s failed\n", dgpsserver);
     } else
 	gpsd_report(LOG_ERROR, "can't connect to DGPS server %s, netlib error %d.\n", dgpsserver, context->dsock);
     opts = fcntl(context->dsock, F_GETFL);
@@ -62,8 +64,10 @@ void dgpsip_report(struct gps_device_t *session)
 			   session->gpsdata.fix.latitude, 
 			   session->gpsdata.fix.longitude, 
 			   session->gpsdata.fix.altitude);
-	    (void)write(session->context->dsock, buf, strlen(buf));
-	    gpsd_report(LOG_IO, "=> dgps %s", buf);
+	    if (write(session->context->dsock, buf, strlen(buf)) == strlen(buf))
+		gpsd_report(LOG_IO, "=> dgps %s", buf);
+	    else
+		gpsd_report(LOG_IO, "write to dgps FAILED");
 	}
     }
 }