blob: 265ce56ed86f62269c1187cb5b8bf1eec970b50d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#! /usr/bin/env perl
# Copyright 1995-2016 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
($#ARGV == 1) || die "usage: cmp.pl <file1> <file2>\n";
open(IN0,"<$ARGV[0]") || die "unable to open $ARGV[0]\n";
open(IN1,"<$ARGV[1]") || die "unable to open $ARGV[1]\n";
binmode IN0;
binmode IN1;
$tot=0;
$ret=1;
for (;;)
{
$n1=sysread(IN0,$b1,4096);
$n2=sysread(IN1,$b2,4096);
last if ($n1 != $n2);
last if ($b1 ne $b2);
last if ($n1 < 0);
if ($n1 == 0)
{
$ret=0;
last;
}
$tot+=$n1;
}
close(IN0);
close(IN1);
if ($ret)
{
printf STDERR "$ARGV[0] and $ARGV[1] are different\n";
@a1=unpack("C*",$b1);
@a2=unpack("C*",$b2);
for ($i=0; $i<=$#a1; $i++)
{
if ($a1[$i] ne $a2[$i])
{
printf "%02X %02X <<\n",$a1[$i],$a2[$i];
last;
}
}
$nm=$tot+$n1;
$tot+=$i+1;
printf STDERR "diff at char $tot of $nm\n";
}
exit($ret);
|
