/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC 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.c,v 1.12 2007/06/19 23:47:17 tbox Exp $ */
/*! \file */
#include <config.h>
#include <isc/serial.h>
isc_boolean_t
isc_serial_lt(isc_uint32_t a, isc_uint32_t b) {
/*
* Undefined => ISC_FALSE
*/
if (a == (b ^ 0x80000000U))
return (ISC_FALSE);
return (((isc_int32_t)(a - b) < 0) ? ISC_TRUE : ISC_FALSE);
}
isc_boolean_t
isc_serial_gt(isc_uint32_t a, isc_uint32_t b) {
return (((isc_int32_t)(a - b) > 0) ? ISC_TRUE : ISC_FALSE);
}
isc_boolean_t
isc_serial_le(isc_uint32_t a, isc_uint32_t b) {
return ((a == b) ? ISC_TRUE : isc_serial_lt(a, b));
}
isc_boolean_t
isc_serial_ge(isc_uint32_t a, isc_uint32_t b) {
return ((a == b) ? ISC_TRUE : isc_serial_gt(a, b));
}
isc_boolean_t
isc_serial_eq(isc_uint32_t a, isc_uint32_t b) {
return ((a == b) ? ISC_TRUE : ISC_FALSE);
}
isc_boolean_t
isc_serial_ne(isc_uint32_t a, isc_uint32_t b) {
return ((a != b) ? ISC_TRUE : ISC_FALSE);
}