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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2012, 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   size_t written = fwrite(ptr, size, nmemb, (FILE *)stream);
     31   return written;
     32 }
     33 
     34 int main(int argc, char *argv[])
     35 {
     36   CURL *curl_handle;
     37   static const char *pagefilename = "page.out";
     38   FILE *pagefile;
     39 
     40   if(argc < 2 ) {
     41     printf("Usage: %s <URL>\n", argv[0]);
     42     return 1;
     43   }
     44 
     45   curl_global_init(CURL_GLOBAL_ALL);
     46 
     47   /* init the curl session */
     48   curl_handle = curl_easy_init();
     49 
     50   /* set URL to get here */
     51   curl_easy_setopt(curl_handle, CURLOPT_URL, argv[1]);
     52 
     53   /* Switch on full protocol/debug output while testing */
     54   curl_easy_setopt(curl_handle, CURLOPT_VERBOSE, 1L);
     55 
     56   /* disable progress meter, set to 0L to enable and disable debug output */
     57   curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L);
     58 
     59   /* send all data to this function  */
     60   curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data);
     61 
     62   /* open the file */
     63   pagefile = fopen(pagefilename, "wb");
     64   if (pagefile) {
     65 
     66     /* write the page body to this file handle */
     67     curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, pagefile);
     68 
     69     /* get it! */
     70     curl_easy_perform(curl_handle);
     71 
     72     /* close the header file */
     73     fclose(pagefile);
     74   }
     75 
     76   /* cleanup curl stuff */
     77   curl_easy_cleanup(curl_handle);
     78 
     79   return 0;
     80 }
     81