#! /usr/bin/env perl

# Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved.

#

# Licensed under the OpenSSL license (the "License").  You may not use

# this file except in compliance with the License.  You can obtain a copy

# in the file LICENSE in the source distribution or at

# https://www.openssl.org/source/license.html

use Fcntl;

# copy.pl

# Perl script 'copy' comment. On Windows the built in "copy" command also

# copies timestamps: this messes up Makefile dependencies.

my $stripcr = 0;

my $arg;

my @excludes = ();

foreach $arg (@ARGV) {

	if ($arg eq "-stripcr")

		{

		$stripcr = 1;

		next;

		}

	if ($arg =~ /^-exclude_re=(.*)$/)

		{

		push @excludes, $1;

		next;

		}

	$arg =~ s|\\|/|g;	# compensate for bug/feature in cygwin glob...

	$arg = qq("$arg") if ($arg =~ /\s/);	# compensate for bug in 5.10...

	foreach my $f (glob $arg)

		{

		push @filelist, $f unless grep { $f =~ /$_/ } @excludes;

		}

}

$fnum = @filelist;

if ($fnum <= 1)

	{

	die "Need at least two filenames";

	}

$dest = pop @filelist;

if ($fnum > 2 && ! -d $dest)

	{

	die "Destination must be a directory";

	}

foreach (@filelist)

	{

	if (-d $dest)

		{

		$dfile = $_;

		$dfile =~ s|^.*[/\\]([^/\\]*)$|$1|;

		$dfile = "$dest/$dfile";

		}

	else

		{

		$dfile = $dest;

		}

	sysopen(IN, $_, O_RDONLY|O_BINARY) || die "Can't Open $_";

	sysopen(OUT, $dfile, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY)

					|| die "Can't Open $dfile";

	while (sysread IN, $buf, 10240)

		{

		if ($stripcr)

			{

			$buf =~ tr/\015//d;

			}

		syswrite(OUT, $buf, length($buf));

		}

	close(IN);

	close(OUT);

	print "Copying: $_ to $dfile\n";

	}