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e6ee1a859b
This adds copyright verbiage to the Perl scripts. Scripts that are known to be clean w.r.t. the 2-clause BSD license are given that license; unclear ones are given the "LGPL for now". Signed-off-by: H. Peter Anvin <hpa@zytor.com>
84 lines
2.5 KiB
Perl
Executable File
84 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl
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## --------------------------------------------------------------------------
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##
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## Copyright 1996-2009 the NASM Authors - All rights reserved.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following
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## conditions are met:
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##
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above
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## copyright notice, this list of conditions and the following
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## disclaimer in the documentation and/or other materials provided
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## with the distribution.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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## CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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## EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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##
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## --------------------------------------------------------------------------
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#
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# Perfect Minimal Hash Generator written in Perl, which produces
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# C output.
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#
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require 'phash.ph';
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#
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# Main program
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#
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sub main() {
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my $n;
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my %data;
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my @hashinfo;
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my $x, $i;
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%data = read_input();
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@hashinfo = gen_perfect_hash(\%data);
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if (!defined(@hashinfo)) {
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die "$0: no hash found\n";
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}
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verify_hash_table(\%data, \@hashinfo);
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($n, $sv, $f1, $f2, $g) = @hashinfo;
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print "static int HASHNAME_fg1[$n] =\n";
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print "{\n";
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for ($i = 0; $i < $n; $i++) {
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print "\t", ${$g}[${$f1}[$i]], "\n";
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}
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print "};\n\n";
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print "static int HASHNAME_fg2[$n] =\n";
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print "{\n";
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for ($i = 0; $i < $n; $i++) {
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print "\t", ${$g}[${$f2}[$i]], "\n";
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}
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print "};\n\n";
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print "struct p_hash HASHNAME =\n";
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print "{\n";
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print "\t$n\n";
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print "\t$sv\n";
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print "\tHASHNAME_fg1,\n";
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print "\tHASHNAME_fg2,\n";
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print "};\n";
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}
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main();
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