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