contrib/bind-9.2.4rc7/lib/isc/include/isc/serial.h

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and 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 1.9.2.1 2004/03/09 06:12:01 marka 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 /*
  27  *      Implement 32 bit serial space arithmetic comparision functions.
  28  *
  29  *      Note: Undefined results are returned as ISC_FALSE.
  30  */
  31
  32 /***
  33  ***    Functions
  34  ***/
  35
  36 ISC_LANG_BEGINDECLS
  37
  38 isc_boolean_t
  39 isc_serial_lt(isc_uint32_t a, isc_uint32_t b);
  40 /*
  41  *      Return true if 'a' < 'b' otherwise false.
  42  */
  43
  44 isc_boolean_t
  45 isc_serial_gt(isc_uint32_t a, isc_uint32_t b);
  46 /*
  47  *      Return true if 'a' > 'b' otherwise false.
  48  */
  49
  50 isc_boolean_t
  51 isc_serial_le(isc_uint32_t a, isc_uint32_t b);
  52 /*
  53  *      Return true if 'a' <= 'b' otherwise false.
  54  */
  55
  56 isc_boolean_t
  57 isc_serial_ge(isc_uint32_t a, isc_uint32_t b);
  58 /*
  59  *      Return true if 'a' >= 'b' otherwise false.
  60  */
  61
  62 isc_boolean_t
  63 isc_serial_eq(isc_uint32_t a, isc_uint32_t b);
  64 /*
  65  *      Return true if 'a' == 'b' otherwise false.
  66  */
  67
  68 isc_boolean_t
  69 isc_serial_ne(isc_uint32_t a, isc_uint32_t b);
  70 /*
  71  *      Return true if 'a' != 'b' otherwise false.
  72  */
  73
  74 ISC_LANG_ENDDECLS
  75
  76 #endif /* ISC_SERIAL_H */