130 lines
2.2 KiB
C++
Executable File
130 lines
2.2 KiB
C++
Executable File
/*
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* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Console.h"
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#include <cstdio>
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#if defined(_WIN32) || defined(_WIN64)
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#include <conio.h>
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CConsole::CConsole()
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{
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}
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CConsole::~CConsole()
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{
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}
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bool CConsole::open()
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{
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return true;
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}
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int CConsole::getChar()
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{
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if (::_kbhit() == 0)
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return -1;
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return ::_getch();
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}
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void CConsole::close()
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{
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}
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#else
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#include <cstring>
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#include <termios.h>
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#include <unistd.h>
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#include <sys/select.h>
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CConsole::CConsole() :
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m_termios()
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{
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::memset(&m_termios, 0x00U, sizeof(termios));
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}
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CConsole::~CConsole()
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{
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}
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bool CConsole::open()
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{
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termios tios;
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int n = ::tcgetattr(STDIN_FILENO, &tios);
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if (n != 0) {
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::fprintf(stderr, "tcgetattr: returned %d\r\n", n);
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return -1;
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}
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m_termios = tios;
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::cfmakeraw(&tios);
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n = ::tcsetattr(STDIN_FILENO, TCSANOW, &tios);
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if (n != 0) {
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::fprintf(stderr, "tcsetattr: returned %d\r\n", n);
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return -1;
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}
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return true;
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}
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int CConsole::getChar()
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{
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(STDIN_FILENO, &fds);
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timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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int n = ::select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv);
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if (n <= 0) {
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if (n < 0)
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::fprintf(stderr, "select: returned %d\r\n", n);
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return -1;
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}
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char c;
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n = ::read(STDIN_FILENO, &c, 1);
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if (n <= 0) {
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if (n < 0)
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::fprintf(stderr, "read: returned %d\r\n", n);
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return -1;
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}
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return c;
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}
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void CConsole::close()
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{
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int n = ::tcsetattr(STDIN_FILENO, TCSANOW, &m_termios);
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if (n != 0)
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::fprintf(stderr, "tcsetattr: returned %d\r\n", n);
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}
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#endif
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