#!/usr/bin/perl -w
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF5.  The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the files COPYING and Copyright.html.  COPYING can be found at the root
# of the source code distribution tree; Copyright.html can be found at the
# root level of an installed copy of the electronic HDF5 document set and
# is linked from the top-level documents page.  It can also be found at
# http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
# access to either file, you may request a copy from help@hdfgroup.org.
#
require 5.003;

# Purpose: insures that API functions aren't called internally.
# Usage:   checkapi H5*.c
my $filename = "";
my $lastname = "";

if(<>) {
    while (<>) {
        if($ARGV =~ /\//) {
            ($filename) = ($ARGV =~ /^.*\/([A-Za-z0-9_]*)\.c$/);
        } else {
            ($filename) = ($ARGV =~ /([A-Za-z0-9_]*)\.c$/);
        }

        if($filename =~ /H5FDmulti|H5FDstdio/) {
            if($filename ne $lastname) {
                print "$ARGV is exempt from checking\n";
                $lastname = $filename;
            }
        } else {
           # Get rid of comments by removing the inside part.
           s|/\*.*?\*/||g;
           if ($in_comment) {
              if (/\*\//) {
                 s|.*?\*/||;
                 $in_comment = 0;
              } else {
                 $_="\n";
              }
           } elsif (m|/\*|) {
              s|/\*.*||;
              $in_comment = 1;
           }

          # Remove character strings
          s/\\.//g;			# remove escaped characters
          s/\".*?\"//g;			# remove string constants

          # Disregard the following hits
          next if /^H5/;
          next if /^\#/;
          next if /FUNC_ENTER(_NOINIT)*/;

          next unless /(H5[A-Z]{1,2}[a-z]\w*)/;
          print "$ARGV:$.: $1\n";
        }
    } continue {
       close ARGV if eof;       # reset line number
    }
}