1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@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 https://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/* <DESC>
23 * Download a given URL into a local file named page.out.
24 * </DESC>
25 */
26#include <stdio.h>
27#include <stdlib.h>
28#include <unistd.h>
29
30#include <curl/curl.h>
31
32static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
33{
34  size_t written = fwrite(ptr, size, nmemb, (FILE *)stream);
35  return written;
36}
37
38int main(int argc, char *argv[])
39{
40  CURL *curl_handle;
41  static const char *pagefilename = "page.out";
42  FILE *pagefile;
43
44  if(argc < 2) {
45    printf("Usage: %s <URL>\n", argv[0]);
46    return 1;
47  }
48
49  curl_global_init(CURL_GLOBAL_ALL);
50
51  /* init the curl session */
52  curl_handle = curl_easy_init();
53
54  /* set URL to get here */
55  curl_easy_setopt(curl_handle, CURLOPT_URL, argv[1]);
56
57  /* Switch on full protocol/debug output while testing */
58  curl_easy_setopt(curl_handle, CURLOPT_VERBOSE, 1L);
59
60  /* disable progress meter, set to 0L to enable and disable debug output */
61  curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L);
62
63  /* send all data to this function  */
64  curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data);
65
66  /* open the file */
67  pagefile = fopen(pagefilename, "wb");
68  if(pagefile) {
69
70    /* write the page body to this file handle */
71    curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, pagefile);
72
73    /* get it! */
74    curl_easy_perform(curl_handle);
75
76    /* close the header file */
77    fclose(pagefile);
78  }
79
80  /* cleanup curl stuff */
81  curl_easy_cleanup(curl_handle);
82
83  curl_global_cleanup();
84
85  return 0;
86}
87