1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
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.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
22 #include <curl/curl.h>
25 struct callback_data {
29 static long file_is_comming(struct curl_fileinfo *finfo,
30 struct callback_data *data,
33 static long file_is_downloaded(struct callback_data *data);
35 static size_t write_it(char *buff, size_t size, size_t nmemb,
38 int main(int argc, char **argv)
42 /* curl easy handle */
46 struct callback_data data = { 0 };
48 /* global initialization */
49 rc = curl_global_init(CURL_GLOBAL_ALL);
53 /* initialization of easy handle */
54 handle = curl_easy_init();
56 curl_global_cleanup();
57 return CURLE_OUT_OF_MEMORY;
60 /* turn on wildcard matching */
61 curl_easy_setopt(handle, CURLOPT_WILDCARDMATCH, 1L);
63 /* callback is called before download of concrete file started */
64 curl_easy_setopt(handle, CURLOPT_CHUNK_BGN_FUNCTION, file_is_comming);
66 /* callback is called after data from the file have been transferred */
67 curl_easy_setopt(handle, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded);
69 /* this callback will write contents into files */
70 curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_it);
72 /* put transfer data into callbacks */
73 curl_easy_setopt(handle, CURLOPT_CHUNK_DATA, &data);
74 curl_easy_setopt(handle, CURLOPT_WRITEDATA, &data);
76 /* curl_easy_setopt(handle, CURLOPT_VERBOSE, 1L); */
78 /* set an URL containing wildcard pattern (only in the last part) */
80 curl_easy_setopt(handle, CURLOPT_URL, argv[1]);
82 curl_easy_setopt(handle, CURLOPT_URL, "ftp://example.com/test/*");
84 /* and start transfer! */
85 rc = curl_easy_perform(handle);
87 curl_easy_cleanup(handle);
88 curl_global_cleanup();
92 static long file_is_comming(struct curl_fileinfo *finfo,
93 struct callback_data *data,
96 printf("%3d %40s %10luB ", remains, finfo->filename,
97 (unsigned long)finfo->size);
99 switch(finfo->filetype) {
100 case CURLFILETYPE_DIRECTORY:
103 case CURLFILETYPE_FILE:
111 if(finfo->filetype == CURLFILETYPE_FILE) {
112 /* do not transfer files >= 50B */
113 if(finfo->size > 50) {
115 return CURL_CHUNK_BGN_FUNC_SKIP;
118 data->output = fopen(finfo->filename, "w");
120 return CURL_CHUNK_BGN_FUNC_FAIL;
124 return CURL_CHUNK_BGN_FUNC_OK;
127 static long file_is_downloaded(struct callback_data *data)
130 printf("DOWNLOADED\n");
131 fclose(data->output);
134 return CURL_CHUNK_END_FUNC_OK;
137 static size_t write_it(char *buff, size_t size, size_t nmemb,
140 struct callback_data *data = cb_data;
143 written = fwrite(buff, size, nmemb, data->output);
146 written = fwrite(buff, size, nmemb, stdout);