From da7476ca7af0722de0cab439f6f4eea3d767daf4 Mon Sep 17 00:00:00 2001
From: minima <minima>
Date: Tue, 25 Jun 2002 13:11:24 +0000
Subject: [PATCH] fix prefix error

---
 Changes            |  2 ++
 cmd/show/prefix.pl | 20 +++++++++-----------
 perl/Prefix.pm     | 11 +++++++++--
 3 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/Changes b/Changes
index c1115669..6c97a796 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,5 @@
+25Jun02=======================================================================
+1. as predicted there was an error in the Prefix routine, I have improved it.
 24Jun02=======================================================================
 1. make set/badspotter non SSID sensitive. Set/badnode is left to be SSID
 sensitive. 
diff --git a/cmd/show/prefix.pl b/cmd/show/prefix.pl
index 8177e1e5..200a4f1e 100644
--- a/cmd/show/prefix.pl
+++ b/cmd/show/prefix.pl
@@ -5,23 +5,21 @@
 #
 
 my ($self, $line) = @_;
-my @list = split /\s+/, $line;		      # generate a list of callsigns
+my @list = split /\s+/, $line;	# generate a list of callsigns
 
 my $l;
 my @out;
 
 #print "line: $line\n";
 foreach $l (@list) {
-  my @ans = Prefix::extract($l);
-#  my $dd = new Data::Dumper([ \@ans ]);
-#  print "ans:", $dd->Dumpxs;
-  next if !@ans;
-  my $pre = shift @ans;
-  my $a;
-  foreach $a (@ans) {
-    push @out, sprintf "%s DXCC: %d ITU: %d CQ: %d LL: %s %s (%s, %s)", uc $l, $a->dxcc, $a->itu, $a->cq, slat($a->lat), slong($a->long), $pre, $a->name;
-	$l = " " x length $l;
-  }
+	my @ans = Prefix::extract($l);
+	next if !@ans;
+	my $pre = shift @ans;
+	my $a;
+	foreach $a (@ans) {
+		push @out, sprintf "%s DXCC: %d ITU: %d CQ: %d LL: %s %s (%s, %s)", uc $l, $a->dxcc, $a->itu, $a->cq, slat($a->lat), slong($a->long), $pre, $a->name;
+		$l = " " x length $l;
+	}
 }
 
 return (1, @out);
diff --git a/perl/Prefix.pm b/perl/Prefix.pm
index 15b6752d..32b1e72e 100644
--- a/perl/Prefix.pm
+++ b/perl/Prefix.pm
@@ -173,21 +173,28 @@ sub extract
 		}
   
 		# which is the shortest part (first if equal)?
+		dbg("Parts: $call = " . join('|', @parts))	if isdbg('prefix');
 		$sp = $parts[0];
 		foreach $p (@parts) {
-			$sp = $p if length $sp > length $p;
+			$sp = $p if length $p < length $sp;
 		}
+		$sp =~ s/-\d+$//;     # remove any SSID
+		
 #		# now start to resolve it from the left hand end
 #		for ($i = 1; $i <= length $sp; ++$i) {
 		# now start to resolve it from the right hand end
 		for ($i = length $sp; $i >= 1; --$i) {
 			my @wout = get(substr($sp, 0, $i));
-			last if @wout > 0 && $wout[0] gt $sp;
+			next if @wout > 0 && $wout[0] gt $sp;
 #			last if @wout == 0;
 			push @out, @wout;
 			last if @wout;
 		}
 	}
+	if (isdbg('prefix')) {
+		my $dd = new Data::Dumper([ \@out ], [qw(@out)]);
+		dbg($dd->Dumpxs);
+	}
 	return @out;
 }
 
-- 
2.43.0