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Annotation of embedaddon/curl/lib/curl_multibyte.c, revision 1.1.1.1

1.1       misho       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: 
                     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: 
                     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) */