File: iutil2.h

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/* Copyright (C) 2001-2006 Artifex Software, Inc.
   All Rights Reserved.
  
   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
*/

/* $Id: iutil2.h 9043 2008-08-28 22:48:19Z giles $ */
/* Interface to procedures in iutil2.c */

#ifndef iutil2_INCLUDED
#  define iutil2_INCLUDED

/* ------ Password utilities ------ */

/* Define the password structure. */
/* NOTE: MAX_PASSWORD must match the initial password lengths in gs_lev2.ps. */
#define MAX_PASSWORD 64		/* must be at least 11 */
typedef struct password_s {
    uint size;
    byte data[MAX_PASSWORD];
} password;

# define NULL_PASSWORD {0, {0}}

/* Transmit a password to or from a parameter list. */
int param_read_password(gs_param_list *, const char *, password *);
int param_write_password(gs_param_list *, const char *, const password *);

/* Check a password from a parameter list. */
/* Return 0 if OK, 1 if not OK, or an error code. */
int param_check_password(gs_param_list *, const password *);

/* Read a password from, or write a password into, a dictionary */
/* (presumably systemdict). */
int dict_read_password(password *, const ref *, const char *);
int dict_write_password(const password *, ref *, const char *, bool);

#endif /* iutil2_INCLUDED */