1 #ifndef HEADER_CURL_MULTIBYTE_H 2 #define HEADER_CURL_MULTIBYTE_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 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.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 * SPDX-License-Identifier: curl 24 * 25 ***************************************************************************/ 26 #include "curl_setup.h" 27 28 #if defined(_WIN32) 29 30 /* 31 * MultiByte conversions using Windows kernel32 library. 32 */ 33 34 wchar_t *curlx_convert_UTF8_to_wchar(const char *str_utf8); 35 char *curlx_convert_wchar_to_UTF8(const wchar_t *str_w); 36 #endif /* _WIN32 */ 37 38 /* 39 * Macros curlx_convert_UTF8_to_tchar(), curlx_convert_tchar_to_UTF8() 40 * and curlx_unicodefree() main purpose is to minimize the number of 41 * preprocessor conditional directives needed by code using these 42 * to differentiate UNICODE from non-UNICODE builds. 43 * 44 * In the case of a non-UNICODE build the tchar strings are char strings that 45 * are duplicated via strdup and remain in whatever the passed in encoding is, 46 * which is assumed to be UTF-8 but may be other encoding. Therefore the 47 * significance of the conversion functions is primarily for UNICODE builds. 48 * 49 * Allocated memory should be free'd with curlx_unicodefree(). 50 * 51 * Note: Because these are curlx functions their memory usage is not tracked 52 * by the curl memory tracker memdebug. You'll notice that curlx function-like 53 * macros call free and strdup in parentheses, eg (strdup)(ptr), and that's to 54 * ensure that the curl memdebug override macros do not replace them. 55 */ 56 57 #if defined(UNICODE) && defined(_WIN32) 58 59 #define curlx_convert_UTF8_to_tchar(ptr) curlx_convert_UTF8_to_wchar((ptr)) 60 #define curlx_convert_tchar_to_UTF8(ptr) curlx_convert_wchar_to_UTF8((ptr)) 61 62 typedef union { 63 unsigned short *tchar_ptr; 64 const unsigned short *const_tchar_ptr; 65 unsigned short *tbyte_ptr; 66 const unsigned short *const_tbyte_ptr; 67 } xcharp_u; 68 69 #else 70 71 #define curlx_convert_UTF8_to_tchar(ptr) (strdup)(ptr) 72 #define curlx_convert_tchar_to_UTF8(ptr) (strdup)(ptr) 73 74 typedef union { 75 char *tchar_ptr; 76 const char *const_tchar_ptr; 77 unsigned char *tbyte_ptr; 78 const unsigned char *const_tbyte_ptr; 79 } xcharp_u; 80 81 #endif /* UNICODE && _WIN32 */ 82 83 #define curlx_unicodefree(ptr) \ 84 do { \ 85 if(ptr) { \ 86 (free)(ptr); \ 87 (ptr) = NULL; \ 88 } \ 89 } while(0) 90 91 #endif /* HEADER_CURL_MULTIBYTE_H */ 92
