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# 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 program. If not, see <http://www.gnu.org/licenses/>.
package Dpkg::ErrorHandling;
use strict;
use warnings;
our $VERSION = '0.01';
use Dpkg;
use Dpkg::Gettext;
use base qw(Exporter);
our @EXPORT = qw(report_options info warning error errormsg
syserr internerr subprocerr usageerr syntaxerr);
our @EXPORT_OK = qw(report);
my $quiet_warnings = 0;
my $info_fh = \*STDOUT;
sub report_options
{
my (%options) = @_;
if (exists $options{quiet_warnings}) {
$quiet_warnings = $options{quiet_warnings};
}
if (exists $options{info_fh}) {
$info_fh = $options{info_fh};
}
}
sub report(@)
{
my ($type, $msg) = (shift, shift);
$msg = sprintf($msg, @_) if (@_);
return "$progname: $type: $msg\n";
}
sub info($;@)
{
print $info_fh report(_g('info'), @_) if (!$quiet_warnings);
}
sub warning($;@)
{
warn report(_g('warning'), @_) if (!$quiet_warnings);
}
sub syserr($;@)
{
my $msg = shift;
die report(_g('error'), "$msg: $!", @_);
}
sub error($;@)
{
die report(_g('error'), @_);
}
sub errormsg($;@)
{
print STDERR report(_g('error'), @_);
}
sub internerr($;@)
{
die report(_g('internal error'), @_);
}
sub subprocerr(@)
{
my ($p) = (shift);
$p = sprintf($p, @_) if (@_);
require POSIX;
if (POSIX::WIFEXITED($?)) {
error(_g('%s gave error exit status %s'), $p, POSIX::WEXITSTATUS($?));
} elsif (POSIX::WIFSIGNALED($?)) {
error(_g('%s died from signal %s'), $p, POSIX::WTERMSIG($?));
} else {
error(_g('%s failed with unknown exit code %d'), $p, $?);
}
}
sub usageerr(@)
{
my ($msg) = (shift);
$msg = sprintf($msg, @_) if (@_);
warn "$progname: $msg\n\n";
# XXX: access to main namespace
main::usage();
exit(2);
}
sub syntaxerr {
my ($file, $msg) = (shift, shift);
$msg = sprintf($msg, @_) if (@_);
error(_g('syntax error in %s at line %d: %s'), $file, $., $msg);
}
1;
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