60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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/*
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* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1999-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: serial.c,v 1.12 2007/06/19 23:47:17 tbox Exp $ */
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/*! \file */
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#include <config.h>
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#include <isc/serial.h>
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isc_boolean_t
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isc_serial_lt(isc_uint32_t a, isc_uint32_t b) {
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/*
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* Undefined => ISC_FALSE
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*/
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if (a == (b ^ 0x80000000U))
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return (ISC_FALSE);
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return (((isc_int32_t)(a - b) < 0) ? ISC_TRUE : ISC_FALSE);
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}
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isc_boolean_t
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isc_serial_gt(isc_uint32_t a, isc_uint32_t b) {
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return (((isc_int32_t)(a - b) > 0) ? ISC_TRUE : ISC_FALSE);
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}
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isc_boolean_t
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isc_serial_le(isc_uint32_t a, isc_uint32_t b) {
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return ((a == b) ? ISC_TRUE : isc_serial_lt(a, b));
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}
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isc_boolean_t
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isc_serial_ge(isc_uint32_t a, isc_uint32_t b) {
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return ((a == b) ? ISC_TRUE : isc_serial_gt(a, b));
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}
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isc_boolean_t
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isc_serial_eq(isc_uint32_t a, isc_uint32_t b) {
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return ((a == b) ? ISC_TRUE : ISC_FALSE);
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}
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isc_boolean_t
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isc_serial_ne(isc_uint32_t a, isc_uint32_t b) {
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return ((a != b) ? ISC_TRUE : ISC_FALSE);
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}
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