#!/usr/bin/perl

# ====================================================================
# The Vovida Software License, Version 1.0 
# 
# Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 
# 3. The names "VOCAL", "Vovida Open Communication Application Library",
#    and "Vovida Open Communication Application Library (VOCAL)" must
#    not be used to endorse or promote products derived from this
#    software without prior written permission. For written
#    permission, please contact vocal\@vovida.org.
# 
# 4. Products derived from this software may not be called "VOCAL", nor
#    may "VOCAL" appear in their name, without prior written
#    permission of Vovida Networks, Inc.
# 
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
# NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
# IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
# 
# ====================================================================
# 
# This software consists of voluntary contributions made by Vovida
# Networks, Inc. and many individuals on behalf of Vovida Networks,
# Inc.  For more information on Vovida Networks, Inc., please see
# <http://www.vovida.org/>.

%ignored_files = ( 'StdAfx.h' => 1 );

foreach(@ARGV) {
    $file = $_;
    if(&is_executable_bad($file)) {
	print "$file is a bad exectable.\n";
    }
}

sub is_executable_bad() {
    local($filename) = @_;

    local(%id_array);
    local(%id_short);
    local($tmp);
    local($bad_executable) = 0;

    open(STRINGS, "strings $filename|") 
      || die "can't run strings on $filename: $!";

    while(<STRINGS>) {
	chomp;
	if(s/^\$Id\: //) {
	    $id_array{$_} = 1;
	}
    }
    close(STRINGS);
    foreach (sort keys %id_array) {
	$tmp = $_;
	$tmp =~ s/\,.*$//;
	if($id_short{$tmp}) {
	    print $tmp;
	    if(!$ignored_files{$tmp}) {
	        $bad_executable = 1;
	    } else {
		print " (probably not a bad file)";
	    }
	    print "\n";
	}
	$id_short{$tmp} = 1;
    }
    return $bad_executable;
}
