unicsv: Change output format for 'microseconds'. If we have ONE, we'll get ONE.

diff --git a/unicsv.c b/unicsv.c
index a5e22cf6d06ded32f9bff95deeeba82d52e446dc..3895966c0f1a35f44636283a0b236d6f247dcb2d 100644 (file)
--- a/unicsv.c
+++ b/unicsv.c
@@ -1033,10 +1033,19 @@ unicsv_waypt_disp_cb(const waypoint *wpt)
                if (wpt->creation_time != 0) {
                        struct tm tm;
                        char buf[32], msec[12];
+
                        tm = *localtime(&wpt->creation_time);
                        snprintf(buf, sizeof(buf), "%02d:%02d:%02d", tm.tm_hour, tm.tm_min, tm.tm_sec);
+
                        if (wpt->microseconds > 0) {
-                               snprintf(msec, sizeof(msec), ".%d", wpt->microseconds / 1000);
+                               int len = 6;
+                               int ms = wpt->microseconds;
+                               
+                               while (len && (ms == (int)((double)ms / 10) * 10)) {
+                                       ms /= 10;
+                                       len--;
+                               }
+                               snprintf(msec, sizeof(msec), ".%0*d", len, ms);
                                strcat(buf, msec);
                        }
                        gbfprintf(fout, "%s%s", unicsv_fieldsep, buf);