1 /*	$NetBSD: serial.h,v 1.4 2014/12/10 04:38:00 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
5  * Copyright (C) 1999-2001  Internet Software Consortium.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 /* Id: serial.h,v 1.18 2009/01/18 23:48:14 tbox Exp  */
21 
22 #ifndef ISC_SERIAL_H
23 #define ISC_SERIAL_H 1
24 
25 #include <isc/lang.h>
26 #include <isc/types.h>
27 
28 /*! \file isc/serial.h
29  *	\brief Implement 32 bit serial space arithmetic comparison functions.
30  *	Note: Undefined results are returned as ISC_FALSE.
31  */
32 
33 /***
34  ***	Functions
35  ***/
36 
37 ISC_LANG_BEGINDECLS
38 
39 isc_boolean_t
40 isc_serial_lt(isc_uint32_t a, isc_uint32_t b);
41 /*%<
42  *	Return true if 'a' < 'b' otherwise false.
43  */
44 
45 isc_boolean_t
46 isc_serial_gt(isc_uint32_t a, isc_uint32_t b);
47 /*%<
48  *	Return true if 'a' > 'b' otherwise false.
49  */
50 
51 isc_boolean_t
52 isc_serial_le(isc_uint32_t a, isc_uint32_t b);
53 /*%<
54  *	Return true if 'a' <= 'b' otherwise false.
55  */
56 
57 isc_boolean_t
58 isc_serial_ge(isc_uint32_t a, isc_uint32_t b);
59 /*%<
60  *	Return true if 'a' >= 'b' otherwise false.
61  */
62 
63 isc_boolean_t
64 isc_serial_eq(isc_uint32_t a, isc_uint32_t b);
65 /*%<
66  *	Return true if 'a' == 'b' otherwise false.
67  */
68 
69 isc_boolean_t
70 isc_serial_ne(isc_uint32_t a, isc_uint32_t b);
71 /*%<
72  *	Return true if 'a' != 'b' otherwise false.
73  */
74 
75 ISC_LANG_ENDDECLS
76 
77 #endif /* ISC_SERIAL_H */
78