do some ring printing if carp et al are called

diff --git a/perl/DXDebug.pm b/perl/DXDebug.pm
index ca5339a154c5080c3f6f5074e4321f5f3442b783..634bf97211bda5e8d70cb48621e69059342dffda 100644 (file)
--- a/perl/DXDebug.pm
+++ b/perl/DXDebug.pm
@@ -52,27 +52,29 @@ if (!defined $DB::VERSION) {
        local $^W=0;
        eval qq( sub confess { 
            \$SIG{__DIE__} = 'DEFAULT'; 
-        DXDebug::dbgprintring() unless DXDebug::isdbg('chan');
-        DXDebug::dbgclearring();
+        DXDebug::dbgprintring() if DXDebug('nologchan');
         DXDebug::dbg(\$@);
                DXDebug::dbg(Carp::shortmess(\@_));
            exit(-1); 
        }
        sub croak { 
                \$SIG{__DIE__} = 'DEFAULT'; 
-        DXDebug::dbgprintring() unless DXDebug::isdbg('chan');
-        DXDebug::dbgclearring();
+        DXDebug::dbgprintring() if DXDebug('nologchan');
         DXDebug::dbg(\$@);
                DXDebug::dbg(Carp::longmess(\@_));
                exit(-1); 
        }
-       sub carp    { DXDebug::dbg(Carp::shortmess(\@_)); }
-       sub cluck   { DXDebug::dbg(Carp::longmess(\@_)); } 
-       );
+       sub carp { 
+        DXDebug::dbgprintring(25) if DXDebug('nologchan');
+        DXDebug::dbg(Carp::shortmess(\@_)); 
+    }
+       sub cluck { 
+        DXDebug::dbgprintring(25) if DXDebug('nologchan');
+        DXDebug::dbg(Carp::longmess(\@_)); 
+    } );
 
     CORE::die(Carp::shortmess($@)) if $@;
-}
-else {
+} else {
     eval qq( sub confess { die Carp::longmess(\@_); }; 
                         sub croak { die Carp::shortmess(\@_); }; 
                         sub cluck { warn Carp::longmess(\@_); }; 
@@ -215,8 +217,10 @@ sub longmess
 sub dbgprintring
 {
        return unless $fp;
+       my $count = shift || $dbgringlth+1;
        my $first;
-       while (my $l = shift @dbgring) {
+       my $l;
+       for ( ; $count > 0 && ($l = shift @dbgring); --$count) {
                my ($t, $str) = split /\^/, $l, 2;
                next unless $t;
                my $lt = time;