#!/usr/local/bin/perl
#
# This adds a copyright message to a souce code file.
# It also gets the file name correct.
#
# perl util/add_cr.pl *.[ch] */*.[ch] */*/*.[ch]
#

foreach (@ARGV)
	{
	&dofile($_);
	}

sub dofile
	{
	local($file)=@_;

	open(IN,"<$file") || die "unable to open $file:$!\n";
	open(OUT,">$file.out") || die "unable to open $file.$$:$!\n";

	print STDERR "doing $file\n";
	@in=<IN>;
	@out=();
	push(@out,"/* $file */\n");
	if ($in[1] !~ /^\/\* Copyright \(C\) 1995-1996 Eric Young/)
		{
		push(@out,&Copyright);
		$i=2;
		while (($i <= $#in) && ($in[$i] ne " */\n"))
			{ $i++; }
		while (($i <= $#in) && ($in[$i] =~ /^\s*$/))
			{ $i++; }

		push(@out,"\n");
		foreach $v (@in)
			{ push(@out,$v); }
		}
	else
		{
		shift(@in);
		push(@out,@in);
		}
	print OUT @out;
	close(IN);
	close(OUT);
	rename("$file","$file.orig") || die "unable to rename $file:$!\n";
	rename("$file.out",$file) || die "unable to rename $file.out:$!\n";
	}



sub Copyright
	{
	return <<'EOF';
/* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
 * All rights reserved.
 * 
 * This file is part of an SSL implementation written
 * by Eric Young (eay@mincom.oz.au).
 * The implementation was written so as to conform with Netscapes SSL
 * specification.  This library and applications are
 * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
 * as long as the following conditions are aheared to.
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.  If this code is used in a product,
 * Eric Young should be given attribution as the author of the parts used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Eric Young (eay@mincom.oz.au)
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
EOF
	}