1 /*
2  * Copyright (C) 2004-2007, 2009  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.h,v 1.18 2009/01/18 23:48:14 tbox Exp $ */
19 
20 #ifndef ISC_SERIAL_H
21 #define ISC_SERIAL_H 1
22 
23 #include <isc/lang.h>
24 #include <isc/types.h>
25 
26 /*! \file isc/serial.h
27  *	\brief Implement 32 bit serial space arithmetic comparison functions.
28  *	Note: Undefined results are returned as ISC_FALSE.
29  */
30 
31 /***
32  ***	Functions
33  ***/
34 
35 ISC_LANG_BEGINDECLS
36 
37 isc_boolean_t
38 isc_serial_lt(isc_uint32_t a, isc_uint32_t b);
39 /*%<
40  *	Return true if 'a' < 'b' otherwise false.
41  */
42 
43 isc_boolean_t
44 isc_serial_gt(isc_uint32_t a, isc_uint32_t b);
45 /*%<
46  *	Return true if 'a' > 'b' otherwise false.
47  */
48 
49 isc_boolean_t
50 isc_serial_le(isc_uint32_t a, isc_uint32_t b);
51 /*%<
52  *	Return true if 'a' <= 'b' otherwise false.
53  */
54 
55 isc_boolean_t
56 isc_serial_ge(isc_uint32_t a, isc_uint32_t b);
57 /*%<
58  *	Return true if 'a' >= 'b' otherwise false.
59  */
60 
61 isc_boolean_t
62 isc_serial_eq(isc_uint32_t a, isc_uint32_t b);
63 /*%<
64  *	Return true if 'a' == 'b' otherwise false.
65  */
66 
67 isc_boolean_t
68 isc_serial_ne(isc_uint32_t a, isc_uint32_t b);
69 /*%<
70  *	Return true if 'a' != 'b' otherwise false.
71  */
72 
73 ISC_LANG_ENDDECLS
74 
75 #endif /* ISC_SERIAL_H */
76