bind-9.11.3/util/update_copyrights

	update_copyrights revision c651f15b30f1dae5cc2f00878fb5da5b3a35a468
d62bc4badc1c1f1549c961cfb8b420e650e1272byz#!/usr/local/bin/perl -w
d62bc4badc1c1f1549c961cfb8b420e650e1272byz#
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# Copyright (C) 2004, 2005  Internet Systems Consortium, Inc. ("ISC")
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# Copyright (C) 1998-2001  Internet Software Consortium.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz#
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# Permission to use, copy, modify, and distribute this software for any
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# purpose with or without fee is hereby granted, provided that the above
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# copyright notice and this permission notice appear in all copies.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz#
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# PERFORMANCE OF THIS SOFTWARE.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# $Id: update_copyrights,v 1.33 2005/04/07 03:50:05 marka Exp $
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzrequire 5.002;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# Map copyright owners to the files containing copyright messages.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# The first line of the copyright message is not in the file;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# it is constructed by this script.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy %owner2filename = (
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    "" => "util/COPYRIGHT",
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    "NAI" => "util/COPYRIGHT.NAI",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    "NOM" => "util/COPYRIGHT.NOM",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    "BSDI" => "util/COPYRIGHT.BSDI",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    "BRIEF" => "util/COPYRIGHT.BRIEF",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    "PORTION" => "util/COPYRIGHT.PORTION",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# Map each copyright owner name to a reference to an array containing
d62bc4badc1c1f1549c961cfb8b420e650e1272byz# the lines of the copyright message.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy %owner2text = ();
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy $keyword_pat = '\$(Id:.*|Revision:.*|Id|Revision)\$';
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzforeach $owner (keys %owner2filename) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        my $f = $owner2filename{$owner};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        open(COPYRIGHT, "<$f") || die "can't open $f: $!";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        @copyright_text = <COPYRIGHT>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        close(COPYRIGHT);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $owner2text{$owner} = [ @copyright_text ];
d62bc4badc1c1f1549c961cfb8b420e650e1272byz}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy %file_types = ();
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy %file_years = ();
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy $years_list;
d62bc4badc1c1f1549c961cfb8b420e650e1272byzmy $parent;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzwhile (<>) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    chomp;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    ($file, $type, $years) = split(/\s+/);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $file_types{$file} = $type;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $file_years{$file} = $years;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzsub getyears {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $parent = $_[0];
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $parent =~ s/PARENT://;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $years_list = $file_years{$parent};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    if (defined($years_list) && $years_list =~ /^PARENT:/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        print "BAD PARENT:$parent\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        undefine($years_list);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzsub docbook {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $parent = $_[0];
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $parent =~ s/\.[^.]*$/.docbook/;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $years_list = $file_years{$parent};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byzforeach $file (keys %file_types) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $typeandowner = $file_types{$file};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $years_list = $file_years{$file};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ( ! -f $file ) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                print "$file: missing\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($years_list =~ /PARENT:/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        getyears($years_list);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if (!defined $years_list) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz            print "$file: has bad parent $parent\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz            next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    if ($years_list eq "DOCBOOK") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        docbook($file);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if (!defined $years_list) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz            print "$file: has bad parent $parent\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz            next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        @years = split(/,/, $years_list);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        my ($type, $owner) = split(/\./, $typeandowner);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $owner = "" if !defined $owner;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $textp = $owner2text{$owner};
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if (!defined $textp) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                print "$file: unknown copyright owner $owner\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        next if $type eq "X" or $type eq "BAT";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $before_copyright = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $c_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $shell_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $m4_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $sgml_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $zone_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $man_comment = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $start_comment = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $end_comment = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $first = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($type =~ /^(C|YACC|CONF-C)$/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $c_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $start_comment = "/*\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = " * ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $end_comment = " */\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type =~ /^(SH|PERL|TCL|MAKE|CONF-SH)$/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $shell_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = "# ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type eq "ZONE" || $type eq "MC") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $zone_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = "; ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type eq "MAN") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $man_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = ".\\\" ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type eq "M4") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $m4_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = "dnl ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type eq "HTML" || $type eq "SGML") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $sgml_comment = 1;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $start_comment = "<!--\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = " - ";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $end_comment = "-->\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($type eq "TXT") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $prefix = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                print "$file: type '$type' not supported yet; skipping\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        ($nonspaceprefix = $prefix) =~ s/\s+$//;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        open(SOURCE, "<$file") || die "can't open $file: $!";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($type eq "YACC") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                unless ($_ eq "%{\n") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print "$file: unexpected yacc file start ",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                              "(expected \"%{\\n\")\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $before_copyright = "$_";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($c_comment && /^\/\*/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($_ !~ /[Cc]opyright/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print "$file: non-copyright comment\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($_ !~ /\*\//) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        while (<SOURCE>) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                last if $_ =~ /\*\//;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($shell_comment) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if (/^\#\!/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $before_copyright = "$_#\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $_ = <SOURCE> if $_ eq "#\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if (/^\#/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        if ($_ !~ /[Cc]opyright/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                print "$file: non-copyright comment\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        while (<SOURCE>) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                if ($_ !~ /^\#/) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                        $first = $_;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                        last;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $first = $_;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif (($m4_comment || $zone_comment || $man_comment) &&
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                 /^\Q$nonspaceprefix\E/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                while (/^\Q$nonspaceprefix\E\s*$/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($_ !~ /[Cc]opyright/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print "$file: non-copyright comment\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        next;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                while (<SOURCE>) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        if ($_ !~ /^\Q$nonspaceprefix\E/ ||
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                            $_ =~ /$keyword_pat/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                $first = $_;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                last;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } elsif ($sgml_comment) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if (/^<!DOCTYPE/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $before_copyright = $_;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if (/^<!/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $_ = <SOURCE> if $_ eq "<!--\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        if ($_ !~ /[Cc]opyright/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                print "$file: non-copyright comment\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                next;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        while (defined($_)) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                last if s/.*-->//;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                $_ = <SOURCE>;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        print "$file: unterminated comment\n"
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                          unless defined($_);
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        if ($_ ne "\n") {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                $first = $_;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        } else {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                $first = <SOURCE>;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                } else {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $first = $_;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        } elsif ($type eq "TXT") {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                if ($_ =~ /[Cc]opyright/) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $/ = "";            # paragraph at a time
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        while (<SOURCE>) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                # Not very maintainable, but ok enough for now.
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                last unless
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                  /[Cc]opyright/ ||
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                  /See COPYRIGHT in the source root/ ||
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                  /Permission to use, copy, modify, and / ||
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                  /THE SOFTWARE IS PROVIDED "AS IS" AND /;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $/ = "\n";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                $first = $_;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        } else {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                $first = $_;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $first = "" if ! defined($first);
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        open(TARGET, ">$file.new") || die "can't open $file.new: $!";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET $before_copyright if $before_copyright;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET $start_comment if $start_comment;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $sysyears = "";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $sftyears = "";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $nomyears = "";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    #
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    # Internet Software Consortium: up to 2003
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    #
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $last_year = 0;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $anchor_year = 0;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    $years = "";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        foreach $year (@years) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        if ($year >= 2004) { next; }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                if ($last_year != 0 && $year == $last_year + 1) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        if ($year > $anchor_year + 1) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                substr($years, $anchor_end) = "-$year";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        } else {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                                $years .= ", $year";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                } else {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $years .= $last_year == 0 ? "$year" : ", $year";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        #if ($anchor_year != 0) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        #        print "$file: noncontiguous year: ",
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        #              "$year != $last_year + 1\n";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        #}
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $anchor_year = $year;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                        $anchor_end = length($years);
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $last_year = $year;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $sftyears = $years;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    #
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    # Nominum: up to 2001.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    #
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $last_year = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $anchor_year = 0;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $years = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        foreach $year (@years) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($year >= 2002) { next; }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($last_year != 0 && $year == $last_year + 1) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        if ($year > $anchor_year + 1) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                substr($years, $anchor_end) = "-$year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                $years .= ", $year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $years .= $last_year == 0 ? "$year" : ", $year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #if ($anchor_year != 0) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #        print "$file: noncontiguous year: ",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #              "$year != $last_year + 1\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $anchor_year = $year;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $anchor_end = length($years);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $last_year = $year;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $nomyears = $years;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    #
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    # Internet Systems Consortium: 2004 onwards.
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    #
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $last_year = 2004;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $anchor_year = 2004;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $years = "2004";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $anchor_end = length($years);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        foreach $year (@years) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if ($year < 2005) { next; }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($last_year != 0 && $year == $last_year + 1) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        if ($year > $anchor_year + 1) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                substr($years, $anchor_end) = "-$year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                                $years .= ", $year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $years .= $last_year == 0 ? "$year" : ", $year";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #if ($anchor_year != 0) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #        print "$file: noncontiguous year: ",
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #              "$year != $last_year + 1\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        #}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $anchor_year = $year;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $anchor_end = length($years);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $last_year = $year;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz    $sysyears = $years;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        ($firstline, $secondline, $thirdline, @otherlines) = @$textp;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $firstline =~ s/\@SYSYEARS\@/$sysyears/;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $secondline =~ s/\@SFTYEARS\@/$sftyears/;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        $thirdline =~ s/\@NOMYEARS\@/$nomyears/;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET "$prefix$firstline";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    if ($sftyears ne "" ) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET $secondline =~ /^$/ ? $nonspaceprefix : $prefix;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET "$secondline";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET $thirdline =~ /^$/ ? $nonspaceprefix : $prefix;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng    print TARGET "$thirdline";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        foreach $_ (@otherlines) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                print TARGET (/^$/ ? $nonspaceprefix : $prefix);
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                print TARGET "$_";
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        print TARGET $end_comment if $end_comment;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        if ($first eq "") {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng                $first = <SOURCE>;
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        }
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng        if (defined($first)) {
da14cebe459d3275048785f25bd869cb09b5307fEric Cheng            if ($type eq 'MAN') {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                    print TARGET "$nonspaceprefix\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                    print TARGET "\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                undef $/;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $_ = <SOURCE>;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                $/ = "\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                my ($start, $end);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($start_comment ne "") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        ($start = $start_comment) =~ s/\s*\n/ /;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        ($end = $end_comment) =~ s/^\s*(.*)\n/ $1\n/;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                } elsif ($prefix ne "") {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        ($start = $prefix) =~ s/\s*\n//;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $end = "\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $start = "";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        $end = "\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                if ($first !~ /$keyword_pat/ && $_ !~ /$keyword_pat/) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz            $end = "\n$nonspaceprefix" if ($type eq "MAN");
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print TARGET "$start\$";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print TARGET "Id";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                        print TARGET "\$$end\n";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                print TARGET $first if $first !~ /^\s*$/;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                print TARGET $_;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        close(TARGET);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        close(SOURCE);
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        $mode = (stat $file)[2]&511;
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        chmod $mode, "$file.new";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        if (system("cmp -s $file.new $file") == 0) {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                unlink("$file.new");
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        } else {
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                rename("$file.new", "$file")
d62bc4badc1c1f1549c961cfb8b420e650e1272byz                  or die "rename($file.new, $file): $!";
d62bc4badc1c1f1549c961cfb8b420e650e1272byz        }
d62bc4badc1c1f1549c961cfb8b420e650e1272byz}
d62bc4badc1c1f1549c961cfb8b420e650e1272byz