mirror of
https://github.com/curl/curl.git
synced 2024-11-27 05:50:21 +08:00
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/*
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* IDN conversions using Windows kernel32 and normaliz libraries.
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*/
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#include "setup.h"
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#ifdef USE_WIN32_IDN
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#include <tchar.h>
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#ifdef WANT_IDN_PROTOTYPES
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WINBASEAPI int WINAPI IdnToAscii(DWORD, LPCWSTR, int, LPWSTR, int);
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WINBASEAPI int WINAPI IdnToUnicode(DWORD, LPCWSTR, int, LPWSTR, int);
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#endif
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#define IDN_MAX_LENGTH 255
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static wchar_t *_curl_win32_UTF8_to_wchar(const char *str_utf8)
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{
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wchar_t *str_w = NULL;
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if(str_utf8) {
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int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
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str_utf8, -1, NULL, 0);
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if(str_w_len) {
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str_w = malloc(str_w_len * sizeof(wchar_t));
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if(str_w) {
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if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
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str_w_len) == 0) {
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free(str_w);
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str_w = NULL;
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}
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}
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}
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}
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return str_w;
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}
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static const char *_curl_win32_wchar_to_UTF8(const wchar_t *str_w)
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{
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char *str_utf8 = NULL;
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if(str_w) {
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size_t str_utf8_len = WideCharToMultiByte(CP_UTF8, 0, str_w, -1, NULL,
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0, NULL, NULL);
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if(str_utf8_len) {
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str_utf8 = malloc(str_utf8_len * sizeof(wchar_t));
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if(str_utf8) {
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if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, str_utf8_len,
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NULL, FALSE) == 0) {
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(void) GetLastError();
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free((void *)str_utf8);
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str_utf8 = NULL;
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}
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}
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}
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else {
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(void) GetLastError();
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}
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}
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return str_utf8;
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}
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int curl_win32_idn_to_ascii(const char *in, char **out)
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{
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wchar_t *in_w = _curl_win32_UTF8_to_wchar(in);
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if(in_w) {
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wchar_t punycode[IDN_MAX_LENGTH];
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if(IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH) == 0) {
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wprintf(L"ERROR %d converting to Punycode\n", GetLastError());
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free(in_w);
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return 0;
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}
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free(in_w);
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*out = (char *)_curl_win32_wchar_to_UTF8(punycode);
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if(!(*out)) {
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return 0;
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}
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}
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return 1;
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}
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int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8)
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{
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if(in) {
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WCHAR unicode[IDN_MAX_LENGTH];
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if(IdnToUnicode(0, (wchar_t *)in, -1, unicode, IDN_MAX_LENGTH) == 0) {
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wprintf(L"ERROR %d converting to Punycode\n", GetLastError());
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return 0;
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}
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else {
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const char *out_utf8 = _curl_win32_wchar_to_UTF8(unicode);
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if(!out_utf8) {
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return 0;
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}
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}
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}
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return 1;
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}
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#endif /* USE_WIN32_IDN */
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