static const char *
match_b_record(const char *p, struct tm *tm, route_head **track)
{
waypoint *w = waypt_new();
p = match_char(p, 'B');
struct tm _tm = *tm;
p = match_n_digits(p, 2, &_tm.tm_hour);
p = match_n_digits(p, 2, &_tm.tm_min);
p = match_n_digits(p, 2, &_tm.tm_sec);
w->creation_time = mktime(&_tm);
int lat = 0, lat_min = 0, lat_mmin = 0;
p = match_n_digits(p, 2, &lat);
p = match_n_digits(p, 2, &lat_min);
p = match_n_digits(p, 3, &lat_mmin);
w->latitude = lat + lat_min / 60.0 + lat_mmin / 60000.0;
char lat_hemi = 0;
p = match_one_of(p, "NS", &lat_hemi);
if (lat_hemi == 'S')
w->latitude = -w->latitude;
int lon = 0, lon_min = 0, lon_mmin = 0;
p = match_n_digits(p, 3, &lon);
p = match_n_digits(p, 2, &lon_min);
p = match_n_digits(p, 3, &lon_mmin);
w->longitude = lon + lon_min / 60.0 + lon_mmin / 60000.0;
char lon_hemi = 0;
p = match_one_of(p, "EW", &lon_hemi);
if (lon_hemi == 'W')
w->longitude = -w->longitude;
char av = 0;
p = match_one_of(p, "AV", &av);
switch (av) {
case 'A':
w->fix = fix_3d;
break;
case 'V':
w->fix = fix_2d;
break;
}
int alt = 0, ele = 0;
p = match_n_digits(p, 5, &alt);
w->altitude = alt;
p = match_n_digits(p, 5, &ele);
p = match_until_eol(p);
if (!p)
goto error;
if (!*track) {
*track = route_head_alloc();
track_add_head(*track);
}
track_add_wpt(*track, w);
return p;
error:
waypt_del(w);
return 0;
}
/*
* Decide whether to keep or toss this point.
*/
static void
fix_process_wpt(const waypoint *wpt)
{
int del = 0;
int delh = 0;
int delv = 0;
waypoint *waypointp = (waypoint *) wpt;
if ((hdopf >= 0.0) && (waypointp->hdop > hdopf))
delh = 1;
if ((vdopf >= 0.0) && (waypointp->vdop > vdopf))
delv = 1;
if (andopt)
del = delh && delv;
else
del = delh || delv;
if ((satpf >= 0) && (waypointp->sat < satpf))
del = 1;
if ((fixnoneopt) && (waypointp->fix == fix_none))
del = 1;
if ((fixunknownopt) && (waypointp->fix == fix_unknown))
del = 1;
if ((eleminopt) && (waypointp->altitude < eleminpf))
del = 1;
if ((elemaxopt) && (waypointp->altitude > elemaxpf))
del = 1;
if (del) {
switch(what) {
case wptdata:
waypt_del(waypointp);
break;
case trkdata:
track_del_wpt(head, waypointp);
break;
case rtedata:
route_del_wpt(head, waypointp);
break;
default:
return;
}
waypt_free(waypointp);
}
}