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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 http://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 #if defined(USE_WIN32_IDN) || ((defined(USE_WINDOWS_SSPI) || \
26                                 defined(USE_WIN32_LDAP)) && defined(UNICODE))
27 
28  /*
29   * MultiByte conversions using Windows kernel32 library.
30   */
31 
32 #include "curl_multibyte.h"
33 #include "curl_memory.h"
34 
35 /* The last #include file should be: */
36 #include "memdebug.h"
37 
Curl_convert_UTF8_to_wchar(const char * str_utf8)38 wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8)
39 {
40   wchar_t *str_w = NULL;
41 
42   if(str_utf8) {
43     int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
44                                         str_utf8, -1, NULL, 0);
45     if(str_w_len > 0) {
46       str_w = malloc(str_w_len * sizeof(wchar_t));
47       if(str_w) {
48         if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
49                                str_w_len) == 0) {
50           free(str_w);
51           return NULL;
52         }
53       }
54     }
55   }
56 
57   return str_w;
58 }
59 
Curl_convert_wchar_to_UTF8(const wchar_t * str_w)60 char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w)
61 {
62   char *str_utf8 = NULL;
63 
64   if(str_w) {
65     int str_utf8_len = WideCharToMultiByte(CP_UTF8, 0, str_w, -1, NULL,
66                                            0, NULL, NULL);
67     if(str_utf8_len > 0) {
68       str_utf8 = malloc(str_utf8_len * sizeof(wchar_t));
69       if(str_utf8) {
70         if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, str_utf8_len,
71                                NULL, FALSE) == 0) {
72           free(str_utf8);
73           return NULL;
74         }
75       }
76     }
77   }
78 
79   return str_utf8;
80 }
81 
82 #endif /* USE_WIN32_IDN || ((USE_WINDOWS_SSPI || USE_WIN32_LDAP) && UNICODE) */
83