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