redefine vftable as actual member. allocate console for debug purposes

guicon.cpp

@@ -0,0 +1,57 @@
+#include <windows.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <io.h>
+#include <iostream>
+#include <fstream>
+
+#ifndef _USE_OLD_IOSTREAMS
+using namespace std;
+#endif
+
+// maximum mumber of lines the output console should have
+static const WORD MAX_CONSOLE_LINES = 500;
+#ifdef _DEBUG
+
+void RedirectIOToConsole()
+{
+	int hConHandle;
+	long lStdHandle;
+	CONSOLE_SCREEN_BUFFER_INFO coninfo;
+	FILE* fp;
+	
+	// allocate a console for this app
+	AllocConsole();
+
+	// set the screen buffer to be big enough to let us scroll text
+	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
+	coninfo.dwSize.Y = MAX_CONSOLE_LINES;
+	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
+
+	// redirect unbuffered STDOUT to the console
+	lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
+	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
+	fp = _fdopen(hConHandle, "w");
+	*stdout = *fp;
+	setvbuf(stdout, NULL, _IONBF, 0);
+
+	// redirect unbuffered STDIN to the console
+	lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
+	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
+	fp = _fdopen(hConHandle, "r");
+	*stdin = *fp;
+	setvbuf(stdin, NULL, _IONBF, 0);
+	
+	// redirect unbuffered STDERR to the console
+	lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
+	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
+	fp = _fdopen(hConHandle, "w");
+	*stderr = *fp;
+	setvbuf(stderr, NULL, _IONBF, 0);
+	
+	// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
+	// point to console as well
+	ios::sync_with_stdio();
+}
+#endif
+//End of File