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[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 24fa840ff12962d50273bf7fbf3f99c3fc99cdd8..b04cf4905d87435c37e50568c99d48014450264c 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -27,7 +27,7 @@ require Exporter;
              print_all_fields cltounix unpad is_callsign is_latlong
                         is_qra is_freq is_digits is_pctext is_pcflag insertitem deleteitem
                         is_prefix dd is_ipaddr $pi $d2r $r2d localdata localdata_mv
-                        diffms _diffms difft parraydifft is_ztime
+                        diffms _diffms _diffus difft parraydifft is_ztime
             );
 
 
@@ -514,6 +514,16 @@ sub _diffms
        return $b - $a;
 }
 
+# and in microseconds
+sub _diffus
+{
+       my $ta = shift;
+       my $tb = shift || [gettimeofday];
+       my $a = int($ta->[0] * 1000000) + int($ta->[1]); 
+       my $b = int($tb->[0] * 1000000) + int($tb->[1]);
+       return $b - $a;
+}
+
 sub diffms
 {
        my $call = shift;
@@ -562,6 +572,7 @@ sub difft
                $out .= sprintf ("%s${s}s", $adds?' ':'') if $s;
                $out ||= sprintf ("%s0s", $adds?' ':'');
        }
+       $out = '0s' unless length $out;
        return $out;
 }