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Merge with EOM 1.9

author: angelos
Correct byte-order handling in encode/decode_128, add function prototypes.

/*	$OpenBSD: util.h,v 1.6 2000/10/16 23:28:13 niklas Exp $	*/
/*	$EOM: util.h,v 1.9 2000/10/14 23:40:08 angelos Exp $	*/

/*
 * Copyright (c) 1998 Niklas Hallqvist.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Ericsson Radio Systems.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This code was written under funding by Ericsson Radio Systems.
 */

#ifndef _UTIL_H_
#define _UTIL_H_

#include <sys/types.h>

#define ROUNDUP_32(x) (((x) + 3) & ~4)

extern int regrand;

struct message;

extern u_int16_t decode_16 (u_int8_t *);
extern u_int32_t decode_32 (u_int8_t *);
extern u_int64_t decode_64 (u_int8_t *);
extern void decode_128 (u_int8_t *, u_int8_t *);
extern void encode_16 (u_int8_t *, u_int16_t);
extern void encode_32 (u_int8_t *, u_int32_t);
extern void encode_64 (u_int8_t *, u_int64_t);
extern void encode_128 (u_int8_t *, u_int8_t *);
extern u_int8_t *getrandom (u_int8_t *, size_t);
extern int hex2raw (char *, u_int8_t *, size_t);
extern int zero_test (const u_int8_t *, size_t);
extern int check_file_secrecy (char *, off_t *);

#endif /* _UTIL_H_ */