Add one trackpoint only one time to queue.

diff --git a/nmea.c b/nmea.c
index b8cab9e5a304dded3de89866c312916ad575dcef..51573143ac090fac221cfc496e1713e5eff2fa89 100644 (file)
--- a/nmea.c
+++ b/nmea.c
@@ -146,6 +146,7 @@ static short_handle mkshort_handle;
 static preferred_posn_type posn_type;
 static struct tm tm;
 static waypoint * curr_waypt = NULL;
+static waypoint * last_waypt = NULL;
 
 static int without_date;       /* number of created trackpoints without a valid date */
 static struct tm opt_tm;       /* converted "date" parameter */
@@ -197,6 +198,8 @@ nmea_cksum(const char *const buf)
 static void
 nmea_rd_init(const char *fname)
 {
+       curr_waypt = NULL;
+       last_waypt = NULL;
        file_in = xfopen(fname, "r", MYNAME);
 }
 
@@ -731,7 +734,10 @@ nmea_read(void)
        while (fgets(ibuf, sizeof(ibuf), file_in)) {
                nmea_parse_one_line(ibuf);
                if (lt < last_read_time && curr_waypt && trk_head) {
-                       track_add_wpt(trk_head, curr_waypt);
+                       if (curr_waypt != last_waypt) {
+                               track_add_wpt(trk_head, curr_waypt);
+                               last_waypt = curr_waypt;
+                       }
                        lt = last_read_time;    
                }
        }