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https://github.com/moparisthebest/curl
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343291ce37
my_getaddrinfo() has been called (and wait has been set to TRUE), we check if the name already is resolved and if so don't return wait status to the parent. This can happen with IP-only names.
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
#ifndef __HOSTIP_H
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#define __HOSTIP_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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#include "setup.h"
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#include "hash.h"
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struct addrinfo;
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struct hostent;
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struct SessionHandle;
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struct connectdata;
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void Curl_global_host_cache_init(void);
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void Curl_global_host_cache_dtor(void);
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curl_hash *Curl_global_host_cache_get(void);
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#define Curl_global_host_cache_use(__p) ((__p)->set.global_dns_cache)
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struct Curl_dns_entry {
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Curl_addrinfo *addr;
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time_t timestamp;
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long inuse; /* use-counter, make very sure you decrease this
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when you're done using the address you received */
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};
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/*
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* Curl_resolv() returns an entry with the info for the specified host
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* and port.
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*
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* The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after
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* use, or we'll leak memory!
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*/
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int Curl_resolv(struct connectdata *conn,
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char *hostname,
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int port,
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struct Curl_dns_entry **dnsentry);
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CURLcode Curl_is_resolved(struct connectdata *conn,
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struct Curl_dns_entry **dns);
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CURLcode Curl_wait_for_resolv(struct connectdata *conn,
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struct Curl_dns_entry **dnsentry);
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CURLcode Curl_multi_ares_fdset(struct connectdata *conn,
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fd_set *read_fd_set,
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fd_set *write_fd_set,
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int *max_fdp);
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/* unlock a previously resolved dns entry */
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void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns);
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/* for debugging purposes only: */
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void Curl_scan_cache_used(void *user, void *ptr);
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/* free name info */
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void Curl_freeaddrinfo(Curl_addrinfo *freeaddr);
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/* free cached name info */
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void Curl_freednsinfo(void *freethis);
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#ifdef CURLDEBUG
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void curl_freeaddrinfo(struct addrinfo *freethis,
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int line, const char *source);
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int curl_getaddrinfo(char *hostname, char *service,
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struct addrinfo *hints,
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struct addrinfo **result,
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int line, const char *source);
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#endif
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#ifndef INADDR_NONE
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#define CURL_INADDR_NONE (in_addr_t) ~0
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#else
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#define CURL_INADDR_NONE INADDR_NONE
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#endif
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#endif
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