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# needrestart - Restart daemons after library updates. # # Authors: # Thomas Liske <[email protected]> # # Copyright Holder: # 2013 - 2020 (C) Thomas Liske [http://fiasko-nw.net/~thomas/] # # License: # 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 2 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 package; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # package NeedRestart::Strings; use strict; use warnings; require Exporter; our @ISA = qw(Exporter); our @EXPORT = qw( nr_strings nr_strings_fh ); my $LOGPREF = '[Strings]'; # This strings implementation has been taken from PPT 0.14: # # Copyright 1999 Nathan Scott Thompson <quimby at city-net dot com> # my $PUNCTUATION = join '\\', split //, q/`~!@#$%^&*()-+={}|[]\:";'<>?,.\//; #` my $PRINTABLE = '\w \t' . $PUNCTUATION; my $CHUNKSIZE = 4096; sub nr_strings_fh($$$) { my $debug = shift; my $re = shift; my $fh = shift; binmode($fh); my $offset = 0; while ($_ or read($fh, $_, $CHUNKSIZE)) { $offset += length($1) if(s/^([^$PRINTABLE]+)//o); my $string = ''; do { $string .= $1 if(s/^([$PRINTABLE]+)//o); } until ($_ or !read($fh, $_, $CHUNKSIZE)); if ($string =~ /$re/) { close($fh); return $string; } $offset += length($string); } close($fh); return undef; } sub nr_strings($$$) { my $debug = shift; my $re = shift; my $fn = shift; my $fh; unless(open($fh, '<', $fn)) { print STDERR "$LOGPREF Could not open file ($fn): $!\n" if($debug); return undef; } return nr_strings_fh($debug, $re, $fh); } 1;