1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2019, 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.haxx.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 ***************************************************************************/
22
23#include "curl_setup.h"
24
25#include <curl/curl.h>
26
27#if defined(USE_WIN32_IDN) || ((defined(USE_WINDOWS_SSPI) || \
28 defined(USE_WIN32_LDAP)) && defined(UNICODE))
29
30 /*
31 * MultiByte conversions using Windows kernel32 library.
32 */
33
34#include "curl_multibyte.h"
35#include "curl_memory.h"
36
37/* The last #include file should be: */
38#include "memdebug.h"
39
40wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8)
41{
42 wchar_t *str_w = NULL;
43
44 if(str_utf8) {
45 int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
46 str_utf8, -1, NULL, 0);
47 if(str_w_len > 0) {
48 str_w = malloc(str_w_len * sizeof(wchar_t));
49 if(str_w) {
50 if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
51 str_w_len) == 0) {
52 free(str_w);
53 return NULL;
54 }
55 }
56 }
57 }
58
59 return str_w;
60}
61
62char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w)
63{
64 char *str_utf8 = NULL;
65
66 if(str_w) {
67 int bytes = WideCharToMultiByte(CP_UTF8, 0, str_w, -1,
68 NULL, 0, NULL, NULL);
69 if(bytes > 0) {
70 str_utf8 = malloc(bytes);
71 if(str_utf8) {
72 if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, bytes,
73 NULL, NULL) == 0) {
74 free(str_utf8);
75 return NULL;
76 }
77 }
78 }
79 }
80
81 return str_utf8;
82}
83
84#endif /* USE_WIN32_IDN || ((USE_WINDOWS_SSPI || USE_WIN32_LDAP) && UNICODE) */
85