| /*************************************************************************** | |
| * _ _ ____ _ | |
| * Project ___| | | | _ \| | | |
| * / __| | | | |_) | | | |
| * | (__| |_| | _ <| |___ | |
| * \___|\___/|_| \_\_____| | |
| * | |
| * Copyright (C) Daniel Stenberg, <[email protected]>, 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> | |
| */ | |
| 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 gets 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; | |
| } | |