Return to curl_multibyte.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / curl / lib

curl

    1: #ifndef HEADER_CURL_MULTIBYTE_H
    2: #define HEADER_CURL_MULTIBYTE_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
   11:  *
   12:  * This software is licensed as described in the file COPYING, which
   13:  * you should have received as part of this distribution. The terms
   14:  * are also available at https://curl.haxx.se/docs/copyright.html.
   15:  *
   16:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   17:  * copies of the Software, and permit persons to whom the Software is
   18:  * furnished to do so, under the terms of the COPYING file.
   19:  *
   20:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   21:  * KIND, either express or implied.
   22:  *
   23:  ***************************************************************************/
   24: #include "curl_setup.h"
   25: 
   26: #if defined(USE_WIN32_IDN) || ((defined(USE_WINDOWS_SSPI) || \
   27:                                 defined(USE_WIN32_LDAP)) && defined(UNICODE))
   28: 
   29:  /*
   30:   * MultiByte conversions using Windows kernel32 library.
   31:   */
   32: 
   33: wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8);
   34: char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w);
   35: 
   36: #endif /* USE_WIN32_IDN || ((USE_WINDOWS_SSPI || USE_WIN32_LDAP) && UNICODE) */
   37: 
   38: 
   39: #if defined(USE_WIN32_IDN) || defined(USE_WINDOWS_SSPI) || \
   40:     defined(USE_WIN32_LDAP)
   41: 
   42: /*
   43:  * Macros Curl_convert_UTF8_to_tchar(), Curl_convert_tchar_to_UTF8()
   44:  * and Curl_unicodefree() main purpose is to minimize the number of
   45:  * preprocessor conditional directives needed by code using these
   46:  * to differentiate UNICODE from non-UNICODE builds.
   47:  *
   48:  * When building with UNICODE defined, this two macros
   49:  * Curl_convert_UTF8_to_tchar() and Curl_convert_tchar_to_UTF8()
   50:  * return a pointer to a newly allocated memory area holding result.
   51:  * When the result is no longer needed, allocated memory is intended
   52:  * to be free'ed with Curl_unicodefree().
   53:  *
   54:  * When building without UNICODE defined, this macros
   55:  * Curl_convert_UTF8_to_tchar() and Curl_convert_tchar_to_UTF8()
   56:  * return the pointer received as argument. Curl_unicodefree() does
   57:  * no actual free'ing of this pointer it is simply set to NULL.
   58:  */
   59: 
   60: #ifdef UNICODE
   61: 
   62: #define Curl_convert_UTF8_to_tchar(ptr) Curl_convert_UTF8_to_wchar((ptr))
   63: #define Curl_convert_tchar_to_UTF8(ptr) Curl_convert_wchar_to_UTF8((ptr))
   64: #define Curl_unicodefree(ptr)                           \
   65:   do {                                                  \
   66:     if(ptr) {                                           \
   67:       free(ptr);                                        \
   68:       (ptr) = NULL;                                     \
   69:     }                                                   \
   70:   } while(0)
   71: 
   72: typedef union {
   73:   unsigned short       *tchar_ptr;
   74:   const unsigned short *const_tchar_ptr;
   75:   unsigned short       *tbyte_ptr;
   76:   const unsigned short *const_tbyte_ptr;
   77: } xcharp_u;
   78: 
   79: #else
   80: 
   81: #define Curl_convert_UTF8_to_tchar(ptr) (ptr)
   82: #define Curl_convert_tchar_to_UTF8(ptr) (ptr)
   83: #define Curl_unicodefree(ptr) \
   84:   do {(ptr) = NULL;} while(0)
   85: 
   86: typedef union {
   87:   char                *tchar_ptr;
   88:   const char          *const_tchar_ptr;
   89:   unsigned char       *tbyte_ptr;
   90:   const unsigned char *const_tbyte_ptr;
   91: } xcharp_u;
   92: 
   93: #endif /* UNICODE */
   94: 
   95: #endif /* USE_WIN32_IDN || USE_WINDOWS_SSPI || USE_WIN32_LDAP */
   96: 
   97: #endif /* HEADER_CURL_MULTIBYTE_H */