+/*
+ * PROJECT: ReactOS Mode Utility
+ * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * PURPOSE: Provides fast mode setup for DOS devices.
+ * COPYRIGHT: Copyright 2002 Robert Dickenson
+ * Copyright 2016-2021 Hermes Belusca-Maito
+ */
/*
* ReactOS mode console command
*
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS Mode Utility
- * FILE: base/applications/cmdutils/mode/mode.c
- * PURPOSE: Provides fast mode setup for DOS devices.
- * PROGRAMMERS: Robert Dickenson
- * Hermes Belusca-Maito
- */
#include <stdio.h>
#include <stdlib.h>
int SetConsoleCPState(IN PCWSTR ArgStr)
{
PCWSTR argStr = ArgStr;
- DWORD CodePage = 0;
+ DWORD value = 0;
+ UINT uOldCodePage, uNewCodePage;
if ( (_wcsnicmp(argStr, L"SELECT=", 7) == 0 && (argStr += 7)) ||
(_wcsnicmp(argStr, L"SEL=", 4) == 0 && (argStr += 4)) )
{
- argStr = ParseNumber(argStr, &CodePage);
+ argStr = ParseNumber(argStr, &value);
if (!argStr) goto invalid_parameter;
/* This should be the end of the string */
while (*argStr == L' ') argStr++;
if (*argStr) goto invalid_parameter;
-
- SetConsoleCP(CodePage);
- SetConsoleOutputCP(CodePage);
- // "The code page specified is not valid."
- ShowConsoleCPStatus();
}
else
{
return 1;
}
- return 0;
+ uNewCodePage = value;
+
+/**
+ ** IMPORTANT NOTE: This code must be kept synchronized with CHCP.COM
+ **/
+
+ /*
+ * Save the original console code page to be restored
+ * in case SetConsoleCP() or SetConsoleOutputCP() fails.
+ */
+ uOldCodePage = GetConsoleCP();
+
+ /*
+ * Try changing the console input and output code pages.
+ * If it succeeds, refresh the local code page information.
+ */
+ if (SetConsoleCP(uNewCodePage))
+ {
+ if (SetConsoleOutputCP(uNewCodePage))
+ {
+ /* Success, reset the current thread UI language
+ * and update the streams cached code page. */
+ ConSetThreadUILanguage(0);
+ ConStdStreamsSetCacheCodePage(uNewCodePage, uNewCodePage);
+
+ /* Display the current console status */
+ ShowConsoleStatus();
+ return 0;
+ }
+ else
+ {
+ /* Failure, restore the original console code page */
+ SetConsoleCP(uOldCodePage);
+ }
+ }
+
+ /* An error happened, display an error and bail out */
+ ConResPuts(StdErr, IDS_ERROR_INVALID_CODEPAGE);
+ return 1;
}
projects / reactos.git / commitdiff