tumble / file diff

     1.1 diff -r cbc23650d9ca -r 745483d15215 tumble_input.c
     1.2 --- a/tumble_input.c	Tue Mar 25 09:36:56 2003 +0000
     1.3 +++ b/tumble_input.c	Tue Mar 25 09:38:08 2003 +0000
     1.4 @@ -2,7 +2,7 @@
     1.5   * tumble: build a PDF file from image files
     1.6   *
     1.7   * Input handler dispatch
     1.8 - * $Id: tumble_input.c,v 1.3 2003/03/20 06:55:27 eric Exp $
     1.9 + * $Id: tumble_input.c,v 1.4 2003/03/25 01:38:08 eric Exp $
    1.10   * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
    1.11   *
    1.12   * This program is free software; you can redistribute it and/or modify
    1.13 @@ -110,9 +110,13 @@
    1.14  
    1.15  bool close_input_file (void)
    1.16  {
    1.17 -  bool result;
    1.18 +  bool result = 1;
    1.19  
    1.20 -  result = current_input_handler->close_input_file ();
    1.21 +  if (current_input_handler)
    1.22 +    {
    1.23 +      result = current_input_handler->close_input_file ();
    1.24 +      current_input_handler = NULL;
    1.25 +    }
    1.26    if (in_filename)
    1.27      free (in_filename);
    1.28    if (in)
    1.29 @@ -127,6 +131,8 @@
    1.30  
    1.31  bool last_input_page (void)
    1.32  {
    1.33 +  if (! current_input_handler)
    1.34 +    return (0);
    1.35    return (current_input_handler->last_input_page ());
    1.36  }
    1.37  
    1.38 @@ -135,6 +141,8 @@
    1.39  		     input_attributes_t input_attributes,
    1.40  		     image_info_t *image_info)
    1.41  {
    1.42 +  if (! current_input_handler)
    1.43 +    return (0);
    1.44    return (current_input_handler->get_image_info (image,
    1.45  						 input_attributes,
    1.46  						 image_info));
    1.47 @@ -145,6 +153,8 @@
    1.48  		    image_info_t *image_info,
    1.49  		    pdf_page_handle page)
    1.50  {
    1.51 +  if (! current_input_handler)
    1.52 +    return (0);
    1.53    return (current_input_handler->process_image (image,
    1.54  						input_attributes,
    1.55  						image_info,