+# return unless $fp;
+ my $t = time;
+ for (@_) {
+ my $r = $_;
+ chomp $r;
+ my @l = split /\n/, $r;
+ foreach my $l (@l) {
+ $l =~ s/([\x00-\x08\x0B-\x1f\x7f-\xff])/sprintf("%%%02X",ord($1))/eg;
+ my $tag = $_isdbg ? "($_isdbg) " : '(*) ';
+ print "$tag$l\n" if defined \*STDOUT && !$no_stdout;
+ my $str = "$t^$tag$l";
+ &$callback($str) if $callback;
+ if ($dbgringlth) {
+ shift @dbgring while (@dbgring > $dbgringlth);
+ push @dbgring, $str;
+ }
+ $fp->writeunix($t, $str) unless !$fp || $dbglevel{"nolog$_isdbg"} ;
+ }
+ }
+ $_isdbg = '';
+}
+
+sub dbginit
+{
+ my $basename = shift || 'debug';
+ $callback = shift;
+
+ # add sig{__DIE__} handling
+ unless (defined $DB::VERSION) {
+ $SIG{__WARN__} = sub {
+ if ($_[0] =~ /Deep\s+recursion/i) {
+ dbg($@);
+ dbg(Carp::longmess(@_));
+ CORE::die;
+ }
+ else {
+ dbg($@);
+ dbg(Carp::shortmess(@_));
+ }
+ };
+
+ $SIG{__DIE__} = sub { dbg($@); dbg(Carp::longmess(@_)); };
+
+ # switch off STDOUT printing if we are not talking to a TTY
+ unless ($^O =~ /^MS/ || $^O =~ /^OS-2/) {
+ unless (isatty(STDOUT->fileno)) {
+ ++$no_stdout;
+ }
+ }
+ }
+
+ $fp = DXLog::new($basename, 'dat', 'd');
+ dbgclearring();
+}
+
+sub dbgclose
+{
+ $SIG{__DIE__} = $SIG{__WARN__} = 'DEFAULT';
+ if ($fp) {
+ dbgprintring() if grep /nolog/, keys %dbglevel;
+ $fp->close();
+ }
+ dbgclearring();
+ undef $fp;
+}
+
+sub dbgdump
+{
+ return unless $fp;
+
+ my $l = shift;
+ my $m = shift;
+ if ($dbglevel{$l} || $l eq 'err') {
+ my @out;
+ foreach my $l (@_) {
+ for (my $o = 0; $o < length $l; $o += 16) {
+ my $c = substr $l, $o, 16;
+ my $h = unpack "H*", $c;
+ $c =~ s/[\x00-\x1f\x7f-\xff]/./g;
+ my $left = 16 - length $c;
+ $h .= ' ' x (2 * $left) if $left > 0;
+ push @out, $m . sprintf("%4d:", $o) . "$h $c";
+ $m = ' ' x (length $m);
+ }
+ }
+ dbg(@out) if isdbg($l); # yes, I know, I have my reasons;
+ }