mirror of
https://github.com/etlegacy/etlegacy-libs.git
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111 lines
3.6 KiB
C
111 lines
3.6 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 - 2016, 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 https://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 "curl_setup.h"
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#ifdef USE_WIN32_IDN
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#include "curl_multibyte.h"
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#include "curl_memory.h"
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#include "warnless.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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#ifdef WANT_IDN_PROTOTYPES
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# if defined(_SAL_VERSION)
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WINNORMALIZEAPI int WINAPI
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IdnToAscii(_In_ DWORD dwFlags,
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_In_reads_(cchUnicodeChar) LPCWSTR lpUnicodeCharStr,
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_In_ int cchUnicodeChar,
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_Out_writes_opt_(cchASCIIChar) LPWSTR lpASCIICharStr,
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_In_ int cchASCIIChar);
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WINNORMALIZEAPI int WINAPI
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IdnToUnicode(_In_ DWORD dwFlags,
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_In_reads_(cchASCIIChar) LPCWSTR lpASCIICharStr,
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_In_ int cchASCIIChar,
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_Out_writes_opt_(cchUnicodeChar) LPWSTR lpUnicodeCharStr,
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_In_ int cchUnicodeChar);
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# else
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WINBASEAPI int WINAPI IdnToAscii(DWORD dwFlags,
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const WCHAR *lpUnicodeCharStr,
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int cchUnicodeChar,
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WCHAR *lpASCIICharStr,
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int cchASCIIChar);
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WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags,
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const WCHAR *lpASCIICharStr,
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int cchASCIIChar,
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WCHAR *lpUnicodeCharStr,
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int cchUnicodeChar);
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# endif
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#endif
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#define IDN_MAX_LENGTH 255
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bool curl_win32_idn_to_ascii(const char *in, char **out);
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bool curl_win32_ascii_to_idn(const char *in, char **out);
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bool curl_win32_idn_to_ascii(const char *in, char **out)
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{
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bool success = FALSE;
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wchar_t *in_w = Curl_convert_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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int chars = IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH);
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free(in_w);
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if(chars) {
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*out = Curl_convert_wchar_to_UTF8(punycode);
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if(*out)
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success = TRUE;
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}
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}
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return success;
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}
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bool curl_win32_ascii_to_idn(const char *in, char **out)
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{
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bool success = FALSE;
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wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
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if(in_w) {
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size_t in_len = wcslen(in_w) + 1;
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wchar_t unicode[IDN_MAX_LENGTH];
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int chars = IdnToUnicode(0, in_w, curlx_uztosi(in_len),
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unicode, IDN_MAX_LENGTH);
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free(in_w);
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if(chars) {
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*out = Curl_convert_wchar_to_UTF8(unicode);
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if(*out)
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success = TRUE;
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}
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}
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return success;
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}
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#endif /* USE_WIN32_IDN */
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