xref: /third_party/curl/docs/examples/fileupload.c (revision 13498266)
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 * Upload to a file:// URL
26 * </DESC>
27 */
28#include <stdio.h>
29#include <curl/curl.h>
30#include <sys/stat.h>
31#include <fcntl.h>
32
33int main(void)
34{
35  CURL *curl;
36  CURLcode res;
37  struct stat file_info;
38  curl_off_t speed_upload, total_time;
39  FILE *fd;
40
41  fd = fopen("debugit", "rb"); /* open file to upload */
42  if(!fd)
43    return 1; /* cannot continue */
44
45  /* to get the file size */
46  if(fstat(fileno(fd), &file_info) != 0)
47    return 1; /* cannot continue */
48
49  curl = curl_easy_init();
50  if(curl) {
51    /* upload to this place */
52    curl_easy_setopt(curl, CURLOPT_URL,
53                     "file:///home/dast/src/curl/debug/new");
54
55    /* tell it to "upload" to the URL */
56    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
57
58    /* set where to read from (on Windows you need to use READFUNCTION too) */
59    curl_easy_setopt(curl, CURLOPT_READDATA, fd);
60
61    /* and give the size of the upload (optional) */
62    curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
63                     (curl_off_t)file_info.st_size);
64
65    /* enable verbose for easier tracing */
66    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
67
68    res = curl_easy_perform(curl);
69    /* Check for errors */
70    if(res != CURLE_OK) {
71      fprintf(stderr, "curl_easy_perform() failed: %s\n",
72              curl_easy_strerror(res));
73    }
74    else {
75      /* now extract transfer info */
76      curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD_T, &speed_upload);
77      curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME_T, &total_time);
78
79      fprintf(stderr, "Speed: %lu bytes/sec during %lu.%06lu seconds\n",
80              (unsigned long)speed_upload,
81              (unsigned long)(total_time / 1000000),
82              (unsigned long)(total_time % 1000000));
83    }
84    /* always cleanup */
85    curl_easy_cleanup(curl);
86  }
87  fclose(fd);
88  return 0;
89}
90