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f3635bcc14
Unify the header guard style and replace the inconsistent include guards with #pragma once. The #pragma once is widely and very well supported in all compilers that BIND 9 supports, and #pragma once was already in use in several new or refactored headers. Using simpler method will also allow us to automate header guard checks as this is simpler to programatically check. For reference, here are the reasons for the change taken from Wikipedia[1]: > In the C and C++ programming languages, #pragma once is a non-standard > but widely supported preprocessor directive designed to cause the > current source file to be included only once in a single compilation. > > Thus, #pragma once serves the same purpose as include guards, but with > several advantages, including: less code, avoidance of name clashes, > and sometimes improvement in compilation speed. On the other hand, > #pragma once is not necessarily available in all compilers and its > implementation is tricky and might not always be reliable. 1. https://en.wikipedia.org/wiki/Pragma_once
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#pragma once
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/*! \file dns/update.h */
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/***
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*** Imports
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***/
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#include <inttypes.h>
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#include <isc/lang.h>
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#include <dns/diff.h>
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#include <dns/types.h>
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typedef struct {
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void (*func)(void *arg, dns_zone_t *zone, int level,
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const char *message);
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void *arg;
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} dns_update_log_t;
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ISC_LANG_BEGINDECLS
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/***
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*** Functions
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***/
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uint32_t
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dns_update_soaserial(uint32_t serial, dns_updatemethod_t method,
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dns_updatemethod_t *used);
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/*%<
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* Return the next serial number after 'serial', depending on the
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* update method 'method':
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*
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*\li * dns_updatemethod_increment increments the serial number by one
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*\li * dns_updatemethod_date sets the serial number to YYYYMMDD00
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*\li * dns_updatemethod_unixtime sets the serial number to the current
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* time (seconds since UNIX epoch)
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*\li * dns_updatemethod_none just returns the given serial
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*
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* NOTE: The dns_updatemethod_increment will be used if dns_updatemethod_date or
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* dns_updatemethod_unixtime is used and the new serial number would be lower
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* than current serial number.
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*
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* Sets *used to the method that was used.
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*/
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isc_result_t
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dns_update_signatures(dns_update_log_t *log, dns_zone_t *zone, dns_db_t *db,
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dns_dbversion_t *oldver, dns_dbversion_t *newver,
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dns_diff_t *diff, uint32_t sigvalidityinterval);
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isc_result_t
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dns_update_signaturesinc(dns_update_log_t *log, dns_zone_t *zone, dns_db_t *db,
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dns_dbversion_t *oldver, dns_dbversion_t *newver,
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dns_diff_t *diff, uint32_t sigvalidityinterval,
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dns_update_state_t **state);
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ISC_LANG_ENDDECLS
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