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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2015, 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 
Curl_convert_UTF8_to_wchar(const char * str_utf8)40 wchar_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 
Curl_convert_wchar_to_UTF8(const wchar_t * str_w)62 char *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