Integer overflow in hexadecimal number at generateLoadFile.pl line 27.
Hexadecimal number > 0xffffffff non-portable at generateLoadFile.pl line 27.
##</code><code>##

#!/usr/bin/perl

use strict;
use warnings;

my $buffer = "";
my $i = 0;
my $crc = 0;
my $val = "";
my $k = 0;

# solution: 990644297
$buffer = "/etc/test2.sh";

# Integer overflow in hexadecimal number at generateLoadFile.pl line 28.
# Hexadecimal number > 0xffffffff non-portable at generateLoadFile.pl line 45.
# Integer overflow in hexadecimal number at generateLoadFile.pl line 28.
# Hexadecimal number > 0xffffffff non-portable at generateLoadFile.pl line 45.

for( $i = 0; $i < int(length($buffer) / 4); $i = $i + 1 )
{
	$val =
		sprintf("%02X", ord(substr($buffer, ($i*4) + 0, 1))) .
		sprintf("%02X", ord(substr($buffer, ($i*4) + 1, 1))) .
		sprintf("%02X", ord(substr($buffer, ($i*4) + 2, 1))) .
		sprintf("%02X", ord(substr($buffer, ($i*4) + 3, 1)));
		
	$crc = ($crc + hex($val)) % 0x100000000;
}

$val = "";
$k = 0;
for( 1 .. int(length($buffer) % 4) )
{	
	$val .= sprintf("%02X", ord(substr($buffer, ($i*4) + $k, 1)));
	$k++;
}

# pad other bytes of 32bit with "00"
for( 1 .. (4 - int(length($buffer) % 4)) )
{
	$val .= "00";
}

$crc = ($crc + hex($val)) % 0x100000000;

print $crc . "\n";