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Annotation of embedaddon/curl/lib/curl_multibyte.h, revision 1.1

1.1     ! misho       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 */