barrier/lib/platform/CMSWindowsUtil.cpp

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2004 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package 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 General Public License for more details.
2010-06-20 17:38:51 +00:00
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "CMSWindowsUtil.h"
#include "CStringUtil.h"
#include <stdio.h>
//
// CMSWindowsUtil
//
CString
CMSWindowsUtil::getString(HINSTANCE instance, DWORD id)
{
char buffer[1024];
int size = static_cast<int>(sizeof(buffer) / sizeof(buffer[0]));
char* msg = buffer;
// load string
int n = LoadString(instance, id, msg, size);
msg[n] = '\0';
if (n < size) {
return msg;
}
// not enough buffer space. keep trying larger buffers until
// we get the whole string.
msg = NULL;
do {
size <<= 1;
delete[] msg;
char* msg = new char[size];
n = LoadString(instance, id, msg, size);
} while (n == size);
msg[n] = '\0';
CString result(msg);
delete[] msg;
return result;
}
CString
CMSWindowsUtil::getErrorString(HINSTANCE hinstance, DWORD error, DWORD id)
{
char* buffer;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM,
0,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&buffer,
0,
NULL) == 0) {
CString errorString = CStringUtil::print("%d", error);
return CStringUtil::format(getString(hinstance, id).c_str(),
errorString.c_str());
}
else {
CString result(buffer);
LocalFree(buffer);
return result;
}
}