tumble / file diff

     1.1 --- a/tumble_input.c	Tue Mar 25 09:36:56 2003 +0000
     1.2 +++ b/tumble_input.c	Tue Mar 25 09:38:08 2003 +0000
     1.3 @@ -2,7 +2,7 @@
     1.4   * tumble: build a PDF file from image files
     1.5   *
     1.6   * Input handler dispatch
     1.7 - * $Id: tumble_input.c,v 1.3 2003/03/20 06:55:27 eric Exp $
     1.8 + * $Id: tumble_input.c,v 1.4 2003/03/25 01:38:08 eric Exp $
     1.9   * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
    1.10   *
    1.11   * This program is free software; you can redistribute it and/or modify
    1.12 @@ -110,9 +110,13 @@
    1.13  
    1.14  bool close_input_file (void)
    1.15  {
    1.16 -  bool result;
    1.17 +  bool result = 1;
    1.18  
    1.19 -  result = current_input_handler->close_input_file ();
    1.20 +  if (current_input_handler)
    1.21 +    {
    1.22 +      result = current_input_handler->close_input_file ();
    1.23 +      current_input_handler = NULL;
    1.24 +    }
    1.25    if (in_filename)
    1.26      free (in_filename);
    1.27    if (in)
    1.28 @@ -127,6 +131,8 @@
    1.29  
    1.30  bool last_input_page (void)
    1.31  {
    1.32 +  if (! current_input_handler)
    1.33 +    return (0);
    1.34    return (current_input_handler->last_input_page ());
    1.35  }
    1.36  
    1.37 @@ -135,6 +141,8 @@
    1.38  		     input_attributes_t input_attributes,
    1.39  		     image_info_t *image_info)
    1.40  {
    1.41 +  if (! current_input_handler)
    1.42 +    return (0);
    1.43    return (current_input_handler->get_image_info (image,
    1.44  						 input_attributes,
    1.45  						 image_info));
    1.46 @@ -145,6 +153,8 @@
    1.47  		    image_info_t *image_info,
    1.48  		    pdf_page_handle page)
    1.49  {
    1.50 +  if (! current_input_handler)
    1.51 +    return (0);
    1.52    return (current_input_handler->process_image (image,
    1.53  						input_attributes,
    1.54  						image_info,