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/* $OpenBSD: util.h,v 1.10 2001/07/01 19:59:14 niklas Exp $ */
/* $EOM: util.h,v 1.10 2000/10/24 13:33:39 niklas Exp $ */
/*
* Copyright (c) 1998 Niklas Hallqvist. All rights reserved.
* Copyright (c) 2001 Håkan Olsson. 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 allow_name_lookups;
extern int regrand;
extern unsigned long seed;
struct message;
struct sockaddr;
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 *);
#if 0
extern void decode_128 (u_int8_t *, u_int8_t *);
#endif
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);
#if 0
extern void encode_128 (u_int8_t *, u_int8_t *);
#endif
extern u_int8_t *getrandom (u_int8_t *, size_t);
extern int hex2raw (char *, u_int8_t *, size_t);
extern int sockaddr2text (struct sockaddr *, char **, int);
extern void util_ntoa (char **, int, u_int8_t *);
extern int text2sockaddr (char *, char *, struct sockaddr **);
extern int sockaddr_len (struct sockaddr *);
extern u_int8_t *sockaddr_data (struct sockaddr *);
extern int zero_test (const u_int8_t *, size_t);
extern int check_file_secrecy (char *, off_t *);
#endif /* _UTIL_H_ */
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