/* Copyright (C) 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.

   This file is part of Aladdin Ghostscript.

   Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
   or distributor accepts any responsibility for the consequences of using it,
   or for whether it serves any particular purpose or works at all, unless he
   or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
   License (the "License") for full details.

   Every copy of Aladdin Ghostscript must include a copy of the License,
   normally in a plain ASCII text file named PUBLIC.  The License grants you
   the right to copy, modify and redistribute Aladdin Ghostscript, but only
   under certain conditions described in the License.  Among other things, the
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 */

/*$Id: iutil2.h $ */
/* 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(P3(gs_param_list *, const char *, password *));
int param_write_password(P3(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(P2(gs_param_list *, const password *));

/* Read a password from, or write a password into, a dictionary */
/* (presumably systemdict). */
int dict_read_password(P3(password *, const ref *, const char *));
int dict_write_password(P3(const password *, ref *, const char *));

#endif /* iutil2_INCLUDED */
