curl/docs/examples/parseurl.c

81 строка
2.1 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>
* Basic URL API use.
* </DESC>
*/
#include <stdio.h>
#include <curl/curl.h>
#if !CURL_AT_LEAST_VERSION(7, 62, 0)
#error "this example requires curl 7.62.0 or later"
#endif
int main(void)
{
CURLU *h;
CURLUcode uc;
char *host;
char *path;
h = curl_url(); /* get a handle to work with */
if(!h)
return 1;
/* parse a full URL */
uc = curl_url_set(h, CURLUPART_URL, "http://example.com/path/index.html", 0);
if(uc)
goto fail;
/* extract host name from the parsed URL */
uc = curl_url_get(h, CURLUPART_HOST, &host, 0);
if(!uc) {
printf("Host name: %s\n", host);
curl_free(host);
}
/* extract the path from the parsed URL */
uc = curl_url_get(h, CURLUPART_PATH, &path, 0);
if(!uc) {
printf("Path: %s\n", path);
curl_free(path);
}
/* redirect with a relative URL */
uc = curl_url_set(h, CURLUPART_URL, "../another/second.html", 0);
if(uc)
goto fail;
/* extract the new, updated path */
uc = curl_url_get(h, CURLUPART_PATH, &path, 0);
if(!uc) {
printf("Path: %s\n", path);
curl_free(path);
}
fail:
curl_url_cleanup(h); /* free url handle */
return 0;
}