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cifs: add winucase_convert.pl to Documentation/ directory

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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>
This commit is contained in:
Jeff Layton 2013-09-05 08:38:12 -04:00 committed by Steve French
parent ec71e0e159
commit d49ffb0e48
1 changed files with 62 additions and 0 deletions
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62
Documentation/filesystems/cifs/winucase_convert.pl Executable file
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#!/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";