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Annotation of embedaddon/ntp/lib/isc/serial.c, revision 1.1

1.1     ! misho       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 1.12 2007/06/19 23:47:17 tbox 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: }