Avoid a magic number.

2 files changed, 2 insertions, 1 deletions

diff --git a/dgpsip.c b/dgpsip.c
index 636929c3..8e46a43b 100644
--- a/dgpsip.c
+++ b/dgpsip.c
@@ -24,7 +24,7 @@ int dgpsip_open(struct gps_context_t *context, const char *dgpsserver)
 	*colon = '\0';
     }
     if (!getservbyname(dgpsport, "tcp"))
-	dgpsport = "2101";
+	dgpsport = DEFAULT_RTCM_PORT;
 
     context->dsock = netlib_connectsock(dgpsserver, dgpsport, "tcp");
     if (context->dsock >= 0) {
diff --git a/gps.h b/gps.h
index 263affcb..1eb7b6c4 100644
--- a/gps.h
+++ b/gps.h
@@ -224,6 +224,7 @@ extern int gpsd_units(void);
 #define NL_NOCONNECT	-6	/* can't connect to host */
 
 #define DEFAULT_GPSD_PORT	"2947"	/* IANA assignment */
+#define DEFAULT_RTCM_PORT	"2101"	/* IANA assignment */
 
 #ifdef __cplusplus
 }  /* End of the 'extern "C"' block */