1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*! \file
* \noop Copyright 2020 Christoph Raitzig
*
* \brief Functions for downloading images (with cURL).
*
* \author Christoph Raitzig
* \copyright Distributed under the GNU General Public License (GPL) v2.
*/
#ifndef INC_JP2A_CURL_H
#define INC_JP2A_CURL_H
#ifdef FEAT_CURL
/*!
* \brief Checks whether it is a supported URL.
*
* \param s the URL
* \return 1 if it is a supported URL
*/
int is_url(const char* s);
/*!
* \brief Downloads an image.
*
* \param url URL of the image
* \param debug true if cURL should print debug information
* \return read-only file-descriptor that must be closed.
*/
int curl_download(const char* url, const int debug);
#ifdef WIN32
/*!
* \brief A custom write function.
*
* Required for Windows. Does the same as fwrite().
*
* \param buffer buffer to read data from
* \param size the size of one item
* \param nmemb the number of items
* \param userp the file stream to write to
* \return the number of items written
*/
size_t passthru_write(void *buffer, size_t size, size_t nmemb, void *userp);
/*!
* \brief Actually download an image.
*/
void curl_download_child(void*);
#else
/*!
* \brief Actually download an image.
*/
void curl_download_child();
#endif
#endif
#endif
|
