Workshop o mikrokontrolérech na SKSP 2024.
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3 months ago
# Poor Man's CGI Module for Perl -- Error Handling
#
# (c) 2002--2012 Martin Mares <mj@ucw.cz>
#
# This software may be freely distributed and used according to the terms
# of the GNU Lesser General Public License.
package UCW::CGI::ErrorHandler;
# E-mail address of the script admin (optional, preferably set in a BEGIN block)
our $error_mail;
# A function called for reporting of errors
our $error_hook;
# Set to true if you want to show detailed error messages to the user
our $print_errors = 0;
my $error_reported;
our $exit_code;
sub report_bug($)
{
if (!defined $error_reported) {
$error_reported = 1;
print STDERR $_[0];
if (defined($error_hook)) {
&$error_hook($_[0]);
} else {
print "Status: 500\n";
print "Content-Type: text/plain\n\n";
if ($print_errors) {
print "Internal bug: ", $_[0], "\n";
} else {
print "Internal bug.\n";
}
print "Please notify $error_mail\n" if defined $error_mail;
}
}
die;
}
BEGIN {
$SIG{__DIE__} = sub { report_bug($_[0]); };
$SIG{__WARN__} = sub { report_bug("WARNING: " . $_[0]); };
$exit_code = 0;
}
END {
$? = $exit_code;
}
42;