91 lines
2.1 KiB
Perl
91 lines
2.1 KiB
Perl
# needrestart - Restart daemons after library updates.
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#
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# Authors:
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# Thomas Liske <thomas@fiasko-nw.net>
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#
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# Copyright Holder:
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# 2013 - 2022 (C) Thomas Liske [http://fiasko-nw.net/~thomas/]
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#
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# License:
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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 2 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 package; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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package NeedRestart::Strings;
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use strict;
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use warnings;
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require Exporter;
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our @ISA = qw(Exporter);
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our @EXPORT = qw(
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nr_strings
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nr_strings_fh
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);
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my $LOGPREF = '[Strings]';
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# This strings implementation has been taken from PPT 0.14:
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#
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# Copyright 1999 Nathan Scott Thompson <quimby at city-net dot com>
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#
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my $PUNCTUATION = join '\\', split //, q/`~!@#$%^&*()-+={}|[]\:";'<>?,.\//; #`
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my $PRINTABLE = '\w \t' . $PUNCTUATION;
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my $CHUNKSIZE = 4096;
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sub nr_strings_fh($$$) {
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my $debug = shift;
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my $re = shift;
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my $fh = shift;
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binmode($fh);
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my $offset = 0;
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while ($_ or read($fh, $_, $CHUNKSIZE)) {
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$offset += length($1) if(s/^([^$PRINTABLE]+)//o);
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my $string = '';
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do {
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$string .= $1 if(s/^([$PRINTABLE]+)//o);
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} until ($_ or !read($fh, $_, $CHUNKSIZE));
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if ($string =~ /$re/) {
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close($fh);
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return $string;
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}
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$offset += length($string);
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}
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close($fh);
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return undef;
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}
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sub nr_strings($$$) {
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my $debug = shift;
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my $re = shift;
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my $fn = shift;
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my $fh;
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unless(open($fh, '<', $fn)) {
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print STDERR "$LOGPREF Could not open file ($fn): $!\n" if($debug);
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return undef;
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}
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return nr_strings_fh($debug, $re, $fh);
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}
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1;
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