Return to serial.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / ntp / lib / isc

ntp 4.2.6p5

    1: /*
    2:  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
    3:  * Copyright (C) 1999-2001  Internet Software Consortium.
    4:  *
    5:  * Permission to use, copy, modify, and/or distribute this software for any
    6:  * purpose with or without fee is hereby granted, provided that the above
    7:  * copyright notice and this permission notice appear in all copies.
    8:  *
    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
   10:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   11:  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
   12:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
   13:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
   14:  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
   15:  * PERFORMANCE OF THIS SOFTWARE.
   16:  */
   17: 
   18: /* $Id: serial.c,v 1.1.1.1 2012/05/29 12:08:38 misho Exp $ */
   19: 
   20: /*! \file */
   21: 
   22: #include <config.h>
   23: 
   24: #include <isc/serial.h>
   25: 
   26: isc_boolean_t
   27: isc_serial_lt(isc_uint32_t a, isc_uint32_t b) {
   28: 	/*
   29: 	 * Undefined => ISC_FALSE
   30: 	 */
   31: 	if (a == (b ^ 0x80000000U))
   32: 		return (ISC_FALSE);
   33: 	return (((isc_int32_t)(a - b) < 0) ? ISC_TRUE : ISC_FALSE);
   34: }
   35: 
   36: isc_boolean_t
   37: isc_serial_gt(isc_uint32_t a, isc_uint32_t b) {
   38: 	return (((isc_int32_t)(a - b) > 0) ? ISC_TRUE : ISC_FALSE);
   39: }
   40: 
   41: isc_boolean_t
   42: isc_serial_le(isc_uint32_t a, isc_uint32_t b) {
   43: 	return ((a == b) ? ISC_TRUE : isc_serial_lt(a, b));
   44: }
   45: 
   46: isc_boolean_t
   47: isc_serial_ge(isc_uint32_t a, isc_uint32_t b) {
   48: 	return ((a == b) ? ISC_TRUE : isc_serial_gt(a, b));
   49: }
   50: 
   51: isc_boolean_t
   52: isc_serial_eq(isc_uint32_t a, isc_uint32_t b) {
   53: 	return ((a == b) ? ISC_TRUE : ISC_FALSE);
   54: }
   55: 
   56: isc_boolean_t
   57: isc_serial_ne(isc_uint32_t a, isc_uint32_t b) {
   58: 	return ((a != b) ? ISC_TRUE : ISC_FALSE);
   59: }