curl-w32/docs/examples/multi-single.c

85 lines
2.3 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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 https://curl.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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
/* <DESC>
* using the multi interface to do a single download
* </DESC>
*/
#include <stdio.h>
#include <string.h>
/* somewhat unix-specific */
#include <sys/time.h>
#include <unistd.h>
/* curl stuff */
#include <curl/curl.h>
/*
* Simply download an HTTP file.
*/
int main(void)
{
CURL *http_handle;
CURLM *multi_handle;
int still_running = 1; /* keep number of running handles */
curl_global_init(CURL_GLOBAL_DEFAULT);
http_handle = curl_easy_init();
/* set the options (I left out a few, you will get the point anyway) */
curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
/* init a multi stack */
multi_handle = curl_multi_init();
/* add the individual transfers */
curl_multi_add_handle(multi_handle, http_handle);
do {
CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
if(!mc)
/* wait for activity, timeout or "nothing" */
mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
if(mc) {
fprintf(stderr, "curl_multi_poll() failed, code %d.\n", (int)mc);
break;
}
} while(still_running);
curl_multi_remove_handle(multi_handle, http_handle);
curl_easy_cleanup(http_handle);
curl_multi_cleanup(multi_handle);
curl_global_cleanup();
return 0;
}