00001 /* 00002 * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") 00003 * Copyright (C) 1999-2001 Internet Software Consortium. 00004 * 00005 * Permission to use, copy, modify, and/or distribute this software for any 00006 * purpose with or without fee is hereby granted, provided that the above 00007 * copyright notice and this permission notice appear in all copies. 00008 * 00009 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 00010 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 00011 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 00012 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 00013 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 00014 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 00015 * PERFORMANCE OF THIS SOFTWARE. 00016 */ 00017 00018 /* $Id: serial.h,v 1.18 2009/01/18 23:48:14 tbox Exp $ */ 00019 00020 #ifndef ISC_SERIAL_H 00021 #define ISC_SERIAL_H 1 00022 00023 #include <isc/lang.h> 00024 #include <isc/types.h> 00025 00026 /*! \file isc/serial.h 00027 * \brief Implement 32 bit serial space arithmetic comparison functions. 00028 * Note: Undefined results are returned as ISC_FALSE. 00029 */ 00030 00031 /*** 00032 *** Functions 00033 ***/ 00034 00035 ISC_LANG_BEGINDECLS 00036 00037 isc_boolean_t 00038 isc_serial_lt(isc_uint32_t a, isc_uint32_t b); 00039 /*%< 00040 * Return true if 'a' < 'b' otherwise false. 00041 */ 00042 00043 isc_boolean_t 00044 isc_serial_gt(isc_uint32_t a, isc_uint32_t b); 00045 /*%< 00046 * Return true if 'a' > 'b' otherwise false. 00047 */ 00048 00049 isc_boolean_t 00050 isc_serial_le(isc_uint32_t a, isc_uint32_t b); 00051 /*%< 00052 * Return true if 'a' <= 'b' otherwise false. 00053 */ 00054 00055 isc_boolean_t 00056 isc_serial_ge(isc_uint32_t a, isc_uint32_t b); 00057 /*%< 00058 * Return true if 'a' >= 'b' otherwise false. 00059 */ 00060 00061 isc_boolean_t 00062 isc_serial_eq(isc_uint32_t a, isc_uint32_t b); 00063 /*%< 00064 * Return true if 'a' == 'b' otherwise false. 00065 */ 00066 00067 isc_boolean_t 00068 isc_serial_ne(isc_uint32_t a, isc_uint32_t b); 00069 /*%< 00070 * Return true if 'a' != 'b' otherwise false. 00071 */ 00072 00073 ISC_LANG_ENDDECLS 00074 00075 #endif /* ISC_SERIAL_H */