1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24/* <DESC>
25 * HTTP PUT using CURLOPT_POSTFIELDS
26 * </DESC>
27 */
28#include <stdio.h>
29#include <fcntl.h>
30#include <sys/stat.h>
31#include <curl/curl.h>
32
33static const char olivertwist[]=
34  "Among other public buildings in a certain town, which for many reasons "
35  "it will be prudent to refrain from mentioning, and to which I will assign "
36  "no fictitious name, there is one anciently common to most towns, great or "
37  "small: to wit, a workhouse; and in this workhouse was born; on a day and "
38  "date which I need not trouble myself to repeat, inasmuch as it can be of "
39  "no possible consequence to the reader, in this stage of the business at "
40  "all events; the item of mortality whose name is prefixed";
41
42/* ... to the head of this chapter. String cut off to stick within the C90
43   509 byte limit. */
44
45/*
46 * This example shows an HTTP PUT operation that sends a fixed buffer with
47 * CURLOPT_POSTFIELDS to the URL given as an argument.
48 */
49
50int main(int argc, char **argv)
51{
52  CURL *curl;
53  CURLcode res;
54  char *url;
55
56  if(argc < 2)
57    return 1;
58
59  url = argv[1];
60
61  /* In windows, this will init the winsock stuff */
62  curl_global_init(CURL_GLOBAL_ALL);
63
64  /* get a curl handle */
65  curl = curl_easy_init();
66  if(curl) {
67    struct curl_slist *headers = NULL;
68
69    /* default type with postfields is application/x-www-form-urlencoded,
70       change it if you want */
71    headers = curl_slist_append(headers, "Content-Type: literature/classic");
72    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
73
74    /* pass on content in request body. When CURLOPT_POSTFIELDSIZE is not used,
75       curl does strlen to get the size. */
76    curl_easy_setopt(curl, CURLOPT_POSTFIELDS, olivertwist);
77
78    /* override the POST implied by CURLOPT_POSTFIELDS
79     *
80     * Warning: CURLOPT_CUSTOMREQUEST is problematic, especially if you want
81     * to follow redirects. Be aware.
82     */
83    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
84
85    /* specify target URL, and note that this URL should include a file
86       name, not only a directory */
87    curl_easy_setopt(curl, CURLOPT_URL, url);
88
89    /* Now run off and do what you have been told! */
90    res = curl_easy_perform(curl);
91    /* Check for errors */
92    if(res != CURLE_OK)
93      fprintf(stderr, "curl_easy_perform() failed: %s\n",
94              curl_easy_strerror(res));
95
96    /* always cleanup */
97    curl_easy_cleanup(curl);
98
99    /* free headers */
100    curl_slist_free_all(headers);
101  }
102
103  curl_global_cleanup();
104  return 0;
105}
106