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#!/usr/bin/env perl
#
# %CopyrightBegin%
#
# Copyright Ericsson AB 1999-2009. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved online at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# %CopyrightEnd%
#
use strict;
use File::Basename;
# This program generates driver_tab.c which holds the driver_tab
# array. Since the contents of driver_tab will depend on which
# drivers we wish to include it has to be generated.
# usage: make_driver_tab [-o filename] drivers...
my $file = "";
my @drivers = ();
while (@ARGV) {
my $d = shift;
if ( $d =~ /^-o$/ ) {
$file = shift or die("-o requires argument");
next;
}
$d = basename $d;
$d =~ s/drv(\..*|)$//; # strip drv.* or just drv
push(@drivers, $d);
}
# Did we want output to a file?
if ( $file ) {
open(STDOUT, ">$file") or die("can't open $file for writing");
}
print <<EOF;
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include "global.h"
EOF
# "extern" declarations
foreach (@drivers) {
print "extern ErlDrvEntry ${_}driver_entry;\n";
}
# The array itself
print "\nErlDrvEntry *driver_tab[DRIVER_TAB_SIZE] =\n{\n";
foreach (@drivers) {
print " &${_}driver_entry,\n";
}
print " NULL\n};\n";
# That's it
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