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Commit d49ffb0e authored by Jeff Layton's avatar Jeff Layton Committed by Steve French
Browse files

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: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
parent ec71e0e1

Documentation/filesystems/cifs/winucase_convert.pl

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+62 −0
Original line number Diff line number Diff line 
#!/usr/bin/perl -w

#

# winucase_convert.pl -- convert "Windows 8 Upper Case Mapping Table.txt" to

#                        a two-level set of C arrays.

#

#   Copyright 2013: Jeff Layton <jlayton@redhat.com>

#

#   This program is free software: you can redistribute it and/or modify

#   it under the terms of the GNU General Public License as published by

#   the Free Software Foundation, either version 3 of the License, or

#   (at your option) any later version.

#

#   This program is distributed in the hope that it will be useful,

#   but WITHOUT ANY WARRANTY; without even the implied warranty of

#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

#   GNU General Public License for more details.

#

#   You should have received a copy of the GNU General Public License

#   along with this program.  If not, see <http://www.gnu.org/licenses/>.

#



while(<>) {

	next if (!/^0x(..)(..)\t0x(....)\t/);

	$firstchar = hex($1);

	$secondchar = hex($2);

	$uppercase = hex($3);



	$top[$firstchar][$secondchar] = $uppercase;

}



for ($i = 0; $i < 256; $i++) {

	next if (!$top[$i]);



	printf("static const wchar_t t2_%2.2x[256] = {", $i);

	for ($j = 0; $j < 256; $j++) {

		if (($j % 8) == 0) {

			print "\n\t";

		} else {

			print " ";

		}

		printf("0x%4.4x,", $top[$i][$j] ? $top[$i][$j] : 0);

	}

	print "\n};\n\n";

}



printf("static const wchar_t *const toplevel[256] = {", $i);

for ($i = 0; $i < 256; $i++) {

	if (($i % 8) == 0) {

		print "\n\t";

	} elsif ($top[$i]) {

		print " ";

	} else {

		print "  ";

	}



	if ($top[$i]) {

		printf("t2_%2.2x,", $i);

	} else {

		print "NULL,";

	}

}

print "\n};\n\n";