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/*
* Copyright 2019 Erich E. Hoover
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <windows.h>
#include <stdlib.h>
#include "resource.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(chcp);
static void output_writeconsole(const WCHAR *str, DWORD wlen)
{
DWORD count;
if (!WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL))
{
DWORD len;
char *msgA;
/* On Windows WriteConsoleW() fails if the output is redirected. So fall
* back to WriteFile(), assuming the console encoding is still the right
* one in that case.
*/
len = WideCharToMultiByte(GetOEMCP(), 0, str, wlen, NULL, 0, NULL, NULL);
msgA = malloc(len);
if (!msgA) return;
WideCharToMultiByte(GetOEMCP(), 0, str, wlen, msgA, len, NULL, NULL);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
free(msgA);
}
}
static void output_formatstring(const WCHAR *fmt, va_list va_args)
{
WCHAR *str;
DWORD len;
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
if (!len && GetLastError() != ERROR_NO_WORK_DONE)
{
WINE_FIXME("Could not format string: le=%lu, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
output_writeconsole(str, len);
LocalFree(str);
}
static void WINAPIV output_message(unsigned int id, ...)
{
WCHAR *fmt = NULL;
int len;
va_list va_args;
if (!(len = LoadStringW(GetModuleHandleW(NULL), id, (WCHAR *)&fmt, 0)))
{
WINE_FIXME("LoadString failed with %ld\n", GetLastError());
return;
}
len++;
fmt = malloc(len * sizeof(WCHAR));
if (!fmt) return;
LoadStringW(GetModuleHandleW(NULL), id, fmt, len);
va_start(va_args, id);
output_formatstring(fmt, va_args);
va_end(va_args);
free(fmt);
}
int __cdecl wmain(int argc, WCHAR *argv[])
{
int i;
if (argc == 1)
{
output_message(STRING_ACTIVE_CODE_PAGE, GetConsoleCP());
return 0;
}
else if (argc == 2)
{
int codepage, success;
if (!lstrcmpW(argv[1], L"/?"))
{
output_message(STRING_USAGE);
return 0;
}
codepage = _wtoi(argv[1]);
success = SetConsoleCP(codepage) && SetConsoleOutputCP(codepage);
if (success)
output_message(STRING_ACTIVE_CODE_PAGE, codepage);
else
output_message(STRING_INVALID_CODE_PAGE);
return !success;
}
WINE_FIXME("unexpected arguments:");
for (i = 0; i < argc; i++)
WINE_FIXME(" %s", wine_dbgstr_w(argv[i]));
WINE_FIXME("\n");
return 0;
}
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