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104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
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* PROJECT: ReactOS Change CodePage Command
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Displays or changes the active console input and output code pages.
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* COPYRIGHT: Copyright 1999 Eric Kohl
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* Copyright 2017-2021 Hermes Belusca-Maito
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*/
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/*
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* CHCP.C - chcp internal command.
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*
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* 23-Dec-1998 (Eric Kohl)
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* Started.
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*
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* 02-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
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* Remove all hardcoded strings in En.rc
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <windef.h>
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#include <winbase.h>
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#include <wincon.h>
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#include <conutils.h>
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#include "resource.h"
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// INT CommandChcp(LPTSTR cmd, LPTSTR param)
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int wmain(int argc, WCHAR* argv[])
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{
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UINT uOldCodePage, uNewCodePage;
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/* Initialize the Console Standard Streams */
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ConInitStdStreams();
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/* Print help */
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if (argc > 1 && wcscmp(argv[1], L"/?") == 0)
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{
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ConResPuts(StdOut, STRING_CHCP_HELP);
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return 0;
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}
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if (argc == 1)
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{
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/* Display the active code page number */
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ConResPrintf(StdOut, STRING_CHCP_ERROR1, GetConsoleOutputCP());
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return 0;
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}
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if (argc > 2)
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{
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/* Too many parameters */
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ConResPrintf(StdErr, STRING_ERROR_INVALID_PARAM_FORMAT, argv[2]);
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return 1;
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}
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uNewCodePage = (UINT)_wtoi(argv[1]);
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if (uNewCodePage == 0)
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{
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ConResPrintf(StdErr, STRING_ERROR_INVALID_PARAM_FORMAT, argv[1]);
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return 1;
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}
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/**
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** IMPORTANT NOTE: This code must be kept synchronized with MODE.COM!SetConsoleCPState()
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**/
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/*
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* Save the original console code page to be restored
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* in case SetConsoleCP() or SetConsoleOutputCP() fails.
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*/
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uOldCodePage = GetConsoleCP();
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/*
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* Try changing the console input and output code pages.
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* If it succeeds, refresh the local code page information.
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*/
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if (SetConsoleCP(uNewCodePage))
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{
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if (SetConsoleOutputCP(uNewCodePage))
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{
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/* Success, reset the current thread UI language
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* and update the streams cached code page. */
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ConSetThreadUILanguage(0);
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ConStdStreamsSetCacheCodePage(uNewCodePage, uNewCodePage);
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/* Display the active code page number */
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ConResPrintf(StdOut, STRING_CHCP_ERROR1, GetConsoleOutputCP());
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return 0;
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}
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else
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{
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/* Failure, restore the original console code page */
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SetConsoleCP(uOldCodePage);
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}
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}
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/* An error happened, display an error and bail out */
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ConResPuts(StdErr, STRING_CHCP_ERROR4);
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return 1;
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}
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