X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=73cda964733d53ea257a006ac8395af7ffe1b11c;hb=b06fd1d447d5411d8d441e807f93efa897b68aaf;hp=f7e52c9a92cb727e8c5431c4f9cd4d2d63e3d5e7;hpb=3b73a2dde8b378db6b56438699c5a1f233194dbf;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index f7e52c9a..73cda964 100644
--- 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
             );
 
 
@@ -478,19 +478,20 @@ sub deleteitem
 sub localdata
 {
 	my $ifn = shift;
-	my $ofn = "$main::local_data/$ifn";
-	my $tfn;
+	my $lfn = "$main::local_data/$ifn";
+	my $dfn =  "$main::data/$ifn";
 	
 	if (-e "$main::local_data") {
-		$tfn = "$main::data/$ifn";
-		if ((-e $tfn) && (-e $ofn)) {
-			$ofn = $tfn if -M $ofn < -M $tfn;
+		if ((-e $dfn) && (-e $lfn)) {
+			$lfn = $dfn if -M $dfn < -M $lfn;
 		} else {
-			$ofn = $tfn if -e $tfn;
+			$lfn = $dfn if -e $dfn;
 		}
+	} else {
+		$lfn = $dfn;
 	}
 
-	return $ofn;
+	return $lfn;
 }
 
 # move a file or a directory from data -> local_data if isn't there already
@@ -514,6 +515,16 @@ 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;
@@ -539,7 +550,7 @@ sub difft
 	if (ref $b eq 'ARRAY') {
 		$t = $b->[1] - $b->[0];
 	} else {
-		if ($adds >= $b) {
+		if ($adds && $adds =~ /^\d+$/ && $adds >= $b) {
 			$t = $adds - $b;
 			$adds = shift;
 		} else {
@@ -562,6 +573,7 @@ sub difft
 		$out .= sprintf ("%s${s}s", $adds?' ':'') if $s;
 		$out ||= sprintf ("%s0s", $adds?' ':'');
 	}
+	$out = '0s' unless length $out;
 	return $out;
 }