/*
 * Copyright (C) 1999, 2000  Internet Software Consortium.
 * 
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 */

/* $Id: serial.h,v 1.6 2000/04/28 22:13:15 tale Exp $ */

#ifndef ISC_SERIAL_H
#define ISC_SERIAL_H 1

#include <isc/lang.h>
#include <isc/types.h>

/*
 *	Implement 32 bit serial space arithmetic comparision functions.
 *
 *	Note: Undefined results are returned as ISC_FALSE.
 */

/***
 ***	Functions
 ***/

ISC_LANG_BEGINDECLS

isc_boolean_t
isc_serial_lt(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' < 'b' otherwise false.
 */

isc_boolean_t
isc_serial_gt(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' > 'b' otherwise false.
 */

isc_boolean_t
isc_serial_le(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' <= 'b' otherwise false.
 */

isc_boolean_t
isc_serial_ge(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' >= 'b' otherwise false.
 */

isc_boolean_t
isc_serial_eq(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' == 'b' otherwise false.
 */

isc_boolean_t
isc_serial_ne(isc_uint32_t a, isc_uint32_t b);
/*
 *	Return true if 'a' != 'b' otherwise false.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_SERIAL_H */
