1 files changed, 49 insertions, 0 deletions
diff --git a/libdevcore/CommonIO.cpp b/libdevcore/CommonIO.cpp
index 8c7e08f6..6526baf9 100644
--- a/libdevcore/CommonIO.cpp
+++ b/libdevcore/CommonIO.cpp
@@ -27,6 +27,7 @@
 #if defined(_WIN32)
 #include <windows.h>
 #else
+#include <unistd.h>
 #include <termios.h>
 #endif
 #include <boost/filesystem.hpp>
@@ -118,3 +119,51 @@ void dev::writeFile(std::string const& _file, bytesConstRef _data, bool _writeDe
 		}
 	}
 }
+
+#if defined(_WIN32)
+class DisableConsoleBuffering
+{
+public:
+	DisableConsoleBuffering()
+	{
+		m_stdin = GetStdHandle(STD_INPUT_HANDLE);
+		GetConsoleMode(m_stdin, &m_oldMode);
+		SetConsoleMode(m_stdin, m_oldMode & (~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT)));
+	}
+	~DisableConsoleBuffering()
+	{
+		SetConsoleMode(m_stdin, m_oldMode);
+	}
+private:
+	HANDLE m_stdin;
+	DWORD m_oldMode;
+};
+#else
+class DisableConsoleBuffering
+{
+public:
+	DisableConsoleBuffering()
+	{
+		tcgetattr(0, &m_termios);
+		m_termios.c_lflag &= ~ICANON;
+		m_termios.c_lflag &= ~ECHO;
+		m_termios.c_cc[VMIN] = 1;
+		m_termios.c_cc[VTIME] = 0;
+		tcsetattr(0, TCSANOW, &m_termios);
+	}
+	~DisableConsoleBuffering()
+	{
+		m_termios.c_lflag |= ICANON;
+		m_termios.c_lflag |= ECHO;
+		tcsetattr(0, TCSADRAIN, &m_termios);
+	}
+private:
+	struct termios m_termios;
+};
+#endif
+
+int dev::readStandardInputChar()
+{
+	DisableConsoleBuffering disableConsoleBuffering;
+	return cin.get();
+}