1 #ifndef HEADER_CURL_MULTIBYTE_H 2 #define HEADER_CURL_MULTIBYTE_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1998 - 2020, 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(WIN32) 27 28 /* 29 * MultiByte conversions using Windows kernel32 library. 30 */ 31 32 wchar_t *curlx_convert_UTF8_to_wchar(const char *str_utf8); 33 char *curlx_convert_wchar_to_UTF8(const wchar_t *str_w); 34 35 #endif /* WIN32 */ 36 37 /* 38 * Macros curlx_convert_UTF8_to_tchar(), curlx_convert_tchar_to_UTF8() 39 * and curlx_unicodefree() main purpose is to minimize the number of 40 * preprocessor conditional directives needed by code using these 41 * to differentiate UNICODE from non-UNICODE builds. 42 * 43 * When building with UNICODE defined, these two macros 44 * curlx_convert_UTF8_to_tchar() and curlx_convert_tchar_to_UTF8() 45 * return a pointer to a newly allocated memory area holding result. 46 * When the result is no longer needed, allocated memory is intended 47 * to be free'ed with curlx_unicodefree(). 48 * 49 * When building without UNICODE defined, this macros 50 * curlx_convert_UTF8_to_tchar() and curlx_convert_tchar_to_UTF8() 51 * return the pointer received as argument. curlx_unicodefree() does 52 * no actual free'ing of this pointer it is simply set to NULL. 53 */ 54 55 #if defined(UNICODE) && defined(WIN32) 56 57 #define curlx_convert_UTF8_to_tchar(ptr) curlx_convert_UTF8_to_wchar((ptr)) 58 #define curlx_convert_tchar_to_UTF8(ptr) curlx_convert_wchar_to_UTF8((ptr)) 59 #define curlx_unicodefree(ptr) \ 60 do { \ 61 if(ptr) { \ 62 (free)(ptr); \ 63 (ptr) = NULL; \ 64 } \ 65 } while(0) 66 67 typedef union { 68 unsigned short *tchar_ptr; 69 const unsigned short *const_tchar_ptr; 70 unsigned short *tbyte_ptr; 71 const unsigned short *const_tbyte_ptr; 72 } xcharp_u; 73 74 #else 75 76 #define curlx_convert_UTF8_to_tchar(ptr) (ptr) 77 #define curlx_convert_tchar_to_UTF8(ptr) (ptr) 78 #define curlx_unicodefree(ptr) \ 79 do {(ptr) = NULL;} while(0) 80 81 typedef union { 82 char *tchar_ptr; 83 const char *const_tchar_ptr; 84 unsigned char *tbyte_ptr; 85 const unsigned char *const_tbyte_ptr; 86 } xcharp_u; 87 88 #endif /* UNICODE && WIN32 */ 89 90 #endif /* HEADER_CURL_MULTIBYTE_H */ 91