contrib/bind-9.5.2/lib/isc/include/isc/serial.h

   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 1.16.128.2 2009/01/19 23:47:03 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 */