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      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 <stdlib.h>
     24 #include <unistd.h>
     25 
     26 #include <curl/curl.h>
     27 
     28 static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
     29 {
     30   int written = fwrite(ptr, size, nmemb, (FILE *)stream);
     31   return written;
     32 }
     33 
     34 int main(void)
     35 {
     36   CURL *curl_handle;
     37   static const char *headerfilename = "head.out";
     38   FILE *headerfile;
     39   static const char *bodyfilename = "body.out";
     40   FILE *bodyfile;
     41 
     42   curl_global_init(CURL_GLOBAL_ALL);
     43 
     44   /* init the curl session */
     45   curl_handle = curl_easy_init();
     46 
     47   /* set URL to get */
     48   curl_easy_setopt(curl_handle, CURLOPT_URL, "http://example.com");
     49 
     50   /* no progress meter please */
     51   curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L);
     52 
     53   /* send all data to this function  */
     54   curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data);
     55 
     56   /* open the header file */
     57   headerfile = fopen(headerfilename, "wb");
     58   if(!headerfile) {
     59     curl_easy_cleanup(curl_handle);
     60     return -1;
     61   }
     62 
     63   /* open the body file */
     64   bodyfile = fopen(bodyfilename, "wb");
     65   if(!bodyfile) {
     66     curl_easy_cleanup(curl_handle);
     67     fclose(headerfile);
     68     return -1;
     69   }
     70 
     71   /* we want the headers be written to this file handle */
     72   curl_easy_setopt(curl_handle, CURLOPT_HEADERDATA, headerfile);
     73 
     74   /* we want the body be written to this file handle instead of stdout */
     75   curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, bodyfile);
     76 
     77   /* get it! */
     78   curl_easy_perform(curl_handle);
     79 
     80   /* close the header file */
     81   fclose(headerfile);
     82 
     83   /* close the body file */
     84   fclose(bodyfile);
     85 
     86   /* cleanup curl stuff */
     87   curl_easy_cleanup(curl_handle);
     88 
     89   return 0;
     90 }
     91