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/***************************************************************************
* _ _ ____ _
* 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>
* Show how to extract Location: header and URL to redirect to.
* </DESC>
*/
#include <stdio.h>
#include <curl/curl.h>
int main(void)
{
CURL *curl;
CURLcode res;
char *location;
long response_code;
curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
/* example.com is redirected, figure out the redirection! */
/* Perform the request, res will get the return code */
res = curl_easy_perform(curl);
/* Check for errors */
if(res != CURLE_OK)
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(res));
else {
res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
if((res == CURLE_OK) &&
((response_code / 100) != 3)) {
/* a redirect implies a 3xx response code */
fprintf(stderr, "Not a redirect.\n");
}
else {
res = curl_easy_getinfo(curl, CURLINFO_REDIRECT_URL, &location);
if((res == CURLE_OK) && location) {
/* This is the new absolute URL that you could redirect to, even if
* the Location: response header may have been a relative URL. */
printf("Redirected to: %s\n", location);
}
}
}
/* always cleanup */
curl_easy_cleanup(curl);
}
return 0;
}
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