Home | History | Annotate | Download | only in examples
      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at http://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 #include <stdio.h>
     23 #include <curl/curl.h>
     24 
     25 int main(void)
     26 {
     27   CURL *curl;
     28   CURLcode res;
     29 
     30   curl = curl_easy_init();
     31   if(curl) {
     32     struct curl_slist *chunk = NULL;
     33 
     34     /* Remove a header curl would otherwise add by itself */
     35     chunk = curl_slist_append(chunk, "Accept:");
     36 
     37     /* Add a custom header */
     38     chunk = curl_slist_append(chunk, "Another: yes");
     39 
     40     /* Modify a header curl otherwise adds differently */
     41     chunk = curl_slist_append(chunk, "Host: example.com");
     42 
     43     /* Add a header with "blank" contents to the right of the colon. Note that
     44        we're then using a semicolon in the string we pass to curl! */
     45     chunk = curl_slist_append(chunk, "X-silly-header;");
     46 
     47     /* set our custom set of headers */
     48     res = curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
     49 
     50     curl_easy_setopt(curl, CURLOPT_URL, "localhost");
     51     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
     52 
     53     res = curl_easy_perform(curl);
     54     /* Check for errors */
     55     if(res != CURLE_OK)
     56       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     57               curl_easy_strerror(res));
     58 
     59     /* always cleanup */
     60     curl_easy_cleanup(curl);
     61 
     62     /* free the custom headers */
     63     curl_slist_free_all(chunk);
     64   }
     65   return 0;
     66 }
     67