package common; # $Id$
use MDK::Common;
use MDK::Common::System;
use diagnostics;
use strict;
use vars qw(@ISA @EXPORT $SECTORSIZE);
@ISA = qw(Exporter);
# no need to export ``_''
@EXPORT = qw($SECTORSIZE __ translate untranslate formatXiB removeXiBSuffix formatTime setVirtual makedev unmakedev salt);
# perl_checker: RE-EXPORT-ALL
push @EXPORT, @MDK::Common::EXPORT;
#-#####################################################################################
#- Globals
#-#####################################################################################
$SECTORSIZE = 512;
#-#####################################################################################
#- Functions
#-#####################################################################################
sub _ {
my $s = shift @_; my $t = translate($s);
sprintf $t, @_;
}
sub __ { $_[0] }
sub salt {
my ($nb) = @_;
require devices;
local *F;
open F, devices::make("random") or die "missing random";
my $s; read F, $s, $nb;
local $_ = pack "b8" x $nb, unpack "b6" x $nb, $s;
tr [\0-\x3f] [0-9a-zA-Z./];
$_;
}
sub makedev { ($_[0] << 8) | $_[1] }
sub unmakedev { $_[0] >> 8, $_[0] & 0xff }
sub translate {
my ($s) = @_;
$s ? c::dgettext('libDrakX', $s) : '';
}
sub untranslate {
my $s = shift || return;
foreach (@_) { translate($_) eq $s and return $_ }
die "untranslate failed";
}
BEGIN { undef *availableRamMB }
sub availableRamMB() {
my $s = MDK::Common::System::availableRamMB();
#- HACK HACK: if i810 and memsize
require detect_devices;
return $s - 1 if $s == 128 && grep { $_->{driver} =~ /i810/ } detect_devices::probeall();
$s;
}
sub setVirtual {
my $vt = '';
local *C;
sysopen C, "/dev/console", 2 or die "failed to open /dev/console: $!";
ioctl(C, c::VT_GETSTATE(), $vt) or die "ioctl VT_GETSTATE failed";
ioctl(C, c::VT_ACTIVATE(), $_[0]) or die "ioctl VT_ACTIVATE failed";
ioctl(C, c::VT_WAITACTIVE(), $_[0]) or die "ioctl VT_WAITACTIVE failed";
unpack "S", $vt;
}
sub removeXiBSuffix {
local $_ = shift;
/(\d+)\s*kB?$/i and return $1 * 1024;
/(\d+)\s*MB?$/i and return $1 * 1024 * 1024;
/(\d+)\s*GB?$/i and return $1 * 1024 * 1024 * 1024;
/(\d+)\s*TB?$/i and return $1 * 1024 * 1024 * 1024 * 1024;
$_;
}
sub formatXiB {
my ($newnb, $newbase) = (@_, 1);
my ($nb, $base);
my $decr = sub {
($nb, $base) = ($newnb, $newbase);
$base >= 1024 ? ($newbase = $base / 1024) : ($newnb = $nb / 1024);
};
foreach ('', _("KB"), _("MB"), _("GB")) {
$decr->();
if ($newnb < 1 && $newnb * $newbase < 1) {
my $v = $nb * $base;
my $s = $v < 10 && int(10 * $v - 10 * int($v));
return int($v) . ($s ? ".$s" : '') . $_;
}
}
int($newnb * $newbase) . _("TB");
}
sub formatTime {
my ($s, $m, $h) = gmtime($_[0]);
if ($h) {
sprintf "%02d:%02d", $h, $m;
} elsif ($m > 1) {
_("%d minutes", $m);
} elsif ($m == 1) {
_("1 minute");
} else {
_("%d seconds", $s);
}
}
sub usingRamdisk { scalar(grep { /ram3/ } cat_("/proc/mounts")) }
sub expand_symlinks_but_simple {
my ($f) = @_;
my $link = readlink($f);
my $f2 = expand_symlinks($f);
if ($link && $link !~ m|/|) {
# put back the last simple symlink
$f2 =~ s|\Q$link\E$|basename($f)|e;
}
$f2
}
sub sync { &MDK::Common::System::sync }
# Group the list by n. Returns a reference of lists of length n
sub group_n_lm {
my $n = shift;
my @l;
push @l, [ splice(@_, 0, $n) ] while (@_);
@l
}
#-######################################################################################
#- Wonderful perl :(
#-######################################################################################
1; #
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