2 * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
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.
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.
18 /* $Id: serial.h,v 1.18 2009/01/18 23:48:14 tbox Exp $ */
21 #define ISC_SERIAL_H 1
24 #include <isc/types.h>
26 /*! \file isc/serial.h
27 * \brief Implement 32 bit serial space arithmetic comparison functions.
28 * Note: Undefined results are returned as ISC_FALSE.
38 isc_serial_lt(isc_uint32_t a, isc_uint32_t b);
40 * Return true if 'a' < 'b' otherwise false.
44 isc_serial_gt(isc_uint32_t a, isc_uint32_t b);
46 * Return true if 'a' > 'b' otherwise false.
50 isc_serial_le(isc_uint32_t a, isc_uint32_t b);
52 * Return true if 'a' <= 'b' otherwise false.
56 isc_serial_ge(isc_uint32_t a, isc_uint32_t b);
58 * Return true if 'a' >= 'b' otherwise false.
62 isc_serial_eq(isc_uint32_t a, isc_uint32_t b);
64 * Return true if 'a' == 'b' otherwise false.
68 isc_serial_ne(isc_uint32_t a, isc_uint32_t b);
70 * Return true if 'a' != 'b' otherwise false.
75 #endif /* ISC_SERIAL_H */