Initial commit of the synergy trunk sources from sf.net

lib/platform/CMSWindowsUtil.cpp

@@ -0,0 +1,75 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman
+ * 
+ * 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.
+ */
+
+#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;
+	}
+}