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cifs: add winucase_convert.pl to Documentation/ directory
Add the script used to generate the case-conversion tables to the
Documentation/ directory, in case we ever need to update or regenerate
these tables in the future.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
authored by
Jeff Layton
and committed by
Steve French
d49ffb0e
ec71e0e1
+62
+62
Documentation/filesystems/cifs/winucase_convert.pl
+62
Documentation/filesystems/cifs/winucase_convert.pl
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#!/usr/bin/perl -w
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#
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# winucase_convert.pl -- convert "Windows 8 Upper Case Mapping Table.txt" to
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# a two-level set of C arrays.
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#
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# Copyright 2013: Jeff Layton <jlayton@redhat.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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while(<>) {
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next if (!/^0x(..)(..)\t0x(....)\t/);
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$firstchar = hex($1);
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$secondchar = hex($2);
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$uppercase = hex($3);
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$top[$firstchar][$secondchar] = $uppercase;
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}
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for ($i = 0; $i < 256; $i++) {
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next if (!$top[$i]);
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printf("static const wchar_t t2_%2.2x[256] = {", $i);
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for ($j = 0; $j < 256; $j++) {
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if (($j % 8) == 0) {
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print "\n\t";
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} else {
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print " ";
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}
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printf("0x%4.4x,", $top[$i][$j] ? $top[$i][$j] : 0);
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}
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print "\n};\n\n";
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}
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printf("static const wchar_t *const toplevel[256] = {", $i);
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for ($i = 0; $i < 256; $i++) {
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if (($i % 8) == 0) {
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print "\n\t";
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} elsif ($top[$i]) {
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print " ";
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} else {
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print " ";
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}
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if ($top[$i]) {
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printf("t2_%2.2x,", $i);
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} else {
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print "NULL,";
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}
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}
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print "\n};\n\n";