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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
60 lines
1.6 KiB
C
60 lines
1.6 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 */
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#include <stdbool.h>
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#include <isc/event.h>
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#include <isc/eventclass.h>
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#include <isc/mutex.h>
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#include <isc/task.h>
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#include <isc/time.h>
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#include <isc/types.h>
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/*%
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* HTTP urls. These are the URLs we manage, and the function to call to
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* provide the data for it. We pass in the base url (so the same function
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* can handle multiple requests), and a structure to fill in to return a
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* result to the client. We also pass in a pointer to be filled in for
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* the data cleanup function.
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*/
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struct isc_httpdurl {
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char *url;
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isc_httpdaction_t *action;
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void *action_arg;
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bool isstatic;
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isc_time_t loadtime;
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ISC_LINK(isc_httpdurl_t) link;
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};
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#define HTTPD_EVENTCLASS ISC_EVENTCLASS(4300)
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#define HTTPD_SHUTDOWN (HTTPD_EVENTCLASS + 0x0001)
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#define ISC_HTTPDMGR_SHUTTINGDOWN 0x00000001
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isc_result_t
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isc_httpdmgr_create(isc_nm_t *nm, isc_mem_t *mctx, isc_sockaddr_t *addr,
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isc_httpdclientok_t *client_ok,
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isc_httpdondestroy_t *ondestroy, void *cb_arg,
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isc_httpdmgr_t **httpdmgrp);
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void
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isc_httpdmgr_shutdown(isc_httpdmgr_t **httpdp);
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isc_result_t
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isc_httpdmgr_addurl(isc_httpdmgr_t *httpdmgr, const char *url, bool isstatic,
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isc_httpdaction_t *func, void *arg);
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void
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isc_httpd_setfinishhook(void (*fn)(void));
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