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 will notice that curlx 53 * function-like macros call free and strdup in parentheses, eg (strdup)(ptr), 54 * and that is to ensure that the curl memdebug override macros do not replace 55 * them. 56 */ 57 58 #if defined(UNICODE) && defined(_WIN32) 59 60 #define curlx_convert_UTF8_to_tchar(ptr) curlx_convert_UTF8_to_wchar((ptr)) 61 #define curlx_convert_tchar_to_UTF8(ptr) curlx_convert_wchar_to_UTF8((ptr)) 62 63 typedef union { 64 unsigned short *tchar_ptr; 65 const unsigned short *const_tchar_ptr; 66 unsigned short *tbyte_ptr; 67 const unsigned short *const_tbyte_ptr; 68 } xcharp_u; 69 70 #else 71 72 #define curlx_convert_UTF8_to_tchar(ptr) (strdup)(ptr) 73 #define curlx_convert_tchar_to_UTF8(ptr) (strdup)(ptr) 74 75 typedef union { 76 char *tchar_ptr; 77 const char *const_tchar_ptr; 78 unsigned char *tbyte_ptr; 79 const unsigned char *const_tbyte_ptr; 80 } xcharp_u; 81 82 #endif /* UNICODE && _WIN32 */ 83 84 #define curlx_unicodefree(ptr) \ 85 do { \ 86 if(ptr) { \ 87 (free)(ptr); \ 88 (ptr) = NULL; \ 89 } \ 90 } while(0) 91 92 #endif /* HEADER_CURL_MULTIBYTE_H */ 93
