libcryfs/src/cpp-utils/io/DontEchoStdinToStdoutRAII.cpp

74 lines
1.4 KiB
C++

#include "DontEchoStdinToStdoutRAII.h"
#if !defined(_MSC_VER)
#include <termios.h>
#include <unistd.h>
namespace cpputils {
namespace details {
class DontEchoStdinToStdoutRAII final {
public:
DontEchoStdinToStdoutRAII() : _old_state() {
tcgetattr(STDIN_FILENO, &_old_state);
termios new_state = _old_state;
new_state.c_lflag &= ~ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &new_state);
}
~DontEchoStdinToStdoutRAII() {
tcsetattr(STDIN_FILENO, TCSANOW, &_old_state);
}
private:
termios _old_state;
DISALLOW_COPY_AND_ASSIGN(DontEchoStdinToStdoutRAII);
};
}
}
#else
#include <windows.h>
namespace cpputils {
namespace details {
class _DontEchoStdinToStdoutRAII final {
public:
_DontEchoStdinToStdoutRAII() : _old_state() {
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
GetConsoleMode(hStdin, &_old_state);
SetConsoleMode(hStdin, _old_state & (~ENABLE_ECHO_INPUT));
}
~_DontEchoStdinToStdoutRAII() {
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
SetConsoleMode(hStdin, _old_state);
}
private:
DWORD _old_state;
DISALLOW_COPY_AND_ASSIGN(_DontEchoStdinToStdoutRAII);
};
}
}
#endif
using cpputils::make_unique_ref;
namespace cpputils {
DontEchoStdinToStdoutRAII::DontEchoStdinToStdoutRAII()
: raii(make_unique_ref<details::DontEchoStdinToStdoutRAII>()) {}
DontEchoStdinToStdoutRAII::~DontEchoStdinToStdoutRAII() {}
}