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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "setup.h"
#include <string.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h> /* required for free() prototypes */
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h> /* for the close() proto */
#endif
#ifdef __VMS
#include <in.h>
#include <inet.h>
#include <stdlib.h>
#endif
#ifdef HAVE_PROCESS_H
#include <process.h>
#endif
#include "urldata.h"
#include "sendf.h"
#include "hostip.h"
#include "hash.h"
#include "share.h"
#include "strerror.h"
#include "url.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
/***********************************************************************
* Only for builds using synchronous name resolves
**********************************************************************/
#ifdef CURLRES_SYNCH
/*
* Curl_resolver_global_init()
* Called from curl_global_init() to initialize global resolver environment.
* Does nothing here.
*/
int Curl_resolver_global_init(void)
{
return CURLE_OK;
}
/*
* Curl_resolver_global_cleanup()
* Called from curl_global_cleanup() to destroy global resolver environment.
* Does nothing here.
*/
void Curl_resolver_global_cleanup(void)
{
}
/*
* Curl_resolver_init()
* Called from curl_easy_init() -> Curl_open() to initialize resolver
* URL-state specific environment ('resolver' member of the UrlState
* structure). Does nothing here.
*/
int Curl_resolver_init(void **resolver)
{
(void)resolver;
return CURLE_OK;
}
/*
* Curl_resolver_cleanup()
* Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver
* URL-state specific environment ('resolver' member of the UrlState
* structure). Does nothing here.
*/
void Curl_resolver_cleanup(void *resolver)
{
(void)resolver;
}
/*
* Curl_resolver_duphandle()
* Called from curl_easy_duphandle() to duplicate resolver URL state-specific
* environment ('resolver' member of the UrlState structure). Does nothing
* here.
*/
int Curl_resolver_duphandle(void **to, void *from)
{
(void)to;
(void)from;
return CURLE_OK;
}
/*
* Curl_wait_for_resolv() for synch-builds. Curl_resolv() can never return
* wait==TRUE, so this function will never be called. If it still gets called,
* we return failure at once.
*
* We provide this function only to allow multi.c to remain unaware if we are
* doing asynch resolves or not.
*/
CURLcode Curl_wait_for_resolv(struct connectdata *conn,
struct Curl_dns_entry **entry)
{
(void)conn;
*entry=NULL;
return CURLE_COULDNT_RESOLVE_HOST;
}
/*
* This function will never be called when synch-built. If it still gets
* called, we return failure at once.
*
* We provide this function only to allow multi.c to remain unaware if we are
* doing asynch resolves or not.
*/
CURLcode Curl_is_resolved(struct connectdata *conn,
struct Curl_dns_entry **dns)
{
(void)conn;
*dns = NULL;
return CURLE_COULDNT_RESOLVE_HOST;
}
/*
* We just return OK, this function is never actually used for synch builds.
* It is present here to keep #ifdefs out from multi.c
*/
int Curl_resolv_getsock(struct connectdata *conn,
curl_socket_t *sock,
int numsocks)
{
(void)conn;
(void)sock;
(void)numsocks;
return 0; /* no bits since we don't use any socks */
}
#endif /* truly sync */
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