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53 lines
1.2 KiB
Raku
Executable file
53 lines
1.2 KiB
Raku
Executable file
#! /usr/bin/env perl
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# Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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($#ARGV == 1) || die "usage: cmp.pl <file1> <file2>\n";
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open(IN0,"<$ARGV[0]") || die "unable to open $ARGV[0]\n";
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open(IN1,"<$ARGV[1]") || die "unable to open $ARGV[1]\n";
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binmode IN0;
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binmode IN1;
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$tot=0;
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$ret=1;
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for (;;)
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{
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$n1=sysread(IN0,$b1,4096);
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$n2=sysread(IN1,$b2,4096);
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last if ($n1 != $n2);
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last if ($b1 ne $b2);
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last if ($n1 < 0);
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if ($n1 == 0)
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{
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$ret=0;
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last;
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}
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$tot+=$n1;
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}
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close(IN0);
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close(IN1);
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if ($ret)
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{
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printf STDERR "$ARGV[0] and $ARGV[1] are different\n";
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@a1=unpack("C*",$b1);
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@a2=unpack("C*",$b2);
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for ($i=0; $i<=$#a1; $i++)
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{
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if ($a1[$i] ne $a2[$i])
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{
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printf "%02X %02X <<\n",$a1[$i],$a2[$i];
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last;
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}
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}
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$nm=$tot+$n1;
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$tot+=$i+1;
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printf STDERR "diff at char $tot of $nm\n";
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}
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exit($ret);
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