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/*

    File: file_3dm.c

    Copyright (C) 2013 Christophe GRENIER <grenier@cgsecurity.org>
  
    This software 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 program 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 program; if not, write the Free Software Foundation, Inc., 51
    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include "types.h"
#include "filegen.h"

static void register_header_check_3dm(file_stat_t *file_stat);

const file_hint_t file_hint_3dm= {
  .extension="3dm",
  .description="Rhino / openNURBS",
  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
  .recover=1,
  .enable_by_default=1,
  .register_header_check=&register_header_check_3dm
};

static int header_check_3dm(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
  unsigned int i;
  for(i=24; i<buffer_size && buffer[i]==' '; i++);
  if(i>=buffer_size || buffer[i]<'0' || buffer[i]>'9')
    return 0;
  reset_file_recovery(file_recovery_new);
  file_recovery_new->extension=file_hint_3dm.extension;
  return 1;
}

static void register_header_check_3dm(file_stat_t *file_stat)
{
  register_header_check(0, "3D Geometry File Format ", 24, &header_check_3dm, file_stat);
}