#!/usr/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-

#
#  Nautilus
#
#  Copyright (C) 2000 Eazel, Inc.
#
#  This library 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 library 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 library; if not, write to the Free Software
#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#  Author: Darin Adler <darin@bentspoon.com>,
#

# check-config-h.pl: Search for .c files where someone forgot to
# put an include for <config.h> in.

use diagnostics;
use strict;

use Getopt::Long;

my $edit = 0;
&GetOptions("edit" => \$edit);

# default to all the files starting from the current directory
if (!@ARGV)
  {
    @ARGV = `find . -name '*.c' -print`;
  }

# locate all of the target lines
my @missing_files;
FILE: foreach my $file (@ARGV)
  {
    chomp $file;
    open FILE, $file or die "can't open $file";
    while (<FILE>)
      {
        next FILE if /generated by/;
        next FILE if /^\s*\#\s*include\s*[<\"]config\.h[>\"]/;
      }
    close FILE;
    push @missing_files, $file;
  }

if (@missing_files)
  {
    print "\n", scalar(@missing_files), " C files don't have <config.h> includes:\n\n";
    if (!$edit)
      {
        print join("\n", @missing_files), "\n";
      }
    else
      {
        foreach my $file (@missing_files)
          {
            open OLD, $file or die "can't open $file";
            open NEW, "> $file.new" or die "can't open $file.new";
            while (<OLD>)
              {
                if (/^\s*\#\s*include\s/)
                  {
                    print NEW "$&<config.h>\n";
                    print NEW;
                    last;
                  }
                print NEW;
              }
            print NEW <OLD>;
            close NEW;
            close OLD;
            rename "$file.new", $file or die "can't rename $file";
            print "edited $file\n";
          }
      }
  }