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71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/* <DESC>
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* Show how to extract Location: header and URL to redirect to.
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* </DESC>
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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char *location;
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long response_code;
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curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* example.com is redirected, figure out the redirection! */
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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else {
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res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
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if((res == CURLE_OK) &&
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((response_code / 100) != 3)) {
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/* a redirect implies a 3xx response code */
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fprintf(stderr, "Not a redirect.\n");
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}
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else {
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res = curl_easy_getinfo(curl, CURLINFO_REDIRECT_URL, &location);
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if((res == CURLE_OK) && location) {
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/* This is the new absolute URL that you could redirect to, even if
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* the Location: response header may have been a relative URL. */
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printf("Redirected to: %s\n", location);
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}
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}
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}
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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return 0;
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}
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