Init

Source/include/slikenet/Kbhit.h

@@ -0,0 +1,92 @@
+/*****************************************************************************
+_kbhit() and _getch() for Linux/UNIX
+Chris Giese <geezer@execpc.com>	http://my.execpc.com/~geezer
+Release date: ?
+This code is public domain (no copyright).
+You can do whatever you want with it.
+*****************************************************************************/
+/*
+ *  Modified work: Copyright (c) 2016-2020, SLikeSoft UG (haftungsbeschränkt)
+ *
+ *  This source code was modified by SLikeSoft. Modifications in this file are put under the public domain.
+ *  Alternatively you are permitted to license the modifications under the MIT license, if you so desire. The
+ *  license can be found in the license.txt file in the root directory of this source tree.
+ */
+
+#if defined(_WIN32)
+#include <conio.h> /* _kbhit(), _getch() */
+
+#else
+#include <sys/time.h> /* struct timeval, select() */
+/* ICANON, ECHO, TCSANOW, struct termios */
+#include <termios.h> /* tcgetattr(), tcsetattr() */
+#include <stdlib.h> /* atexit(), exit() */
+#include <unistd.h> /* read() */
+#include <stdio.h> /* printf() */
+#include <string.h> /* memcpy */
+
+static struct termios g_old_kbd_mode;
+/*****************************************************************************
+*****************************************************************************/
+static void cooked(void)
+{
+	tcsetattr(0, TCSANOW, &g_old_kbd_mode);
+}
+/*****************************************************************************
+*****************************************************************************/
+static void raw(void)
+{
+	static char init;
+/**/
+	struct termios new_kbd_mode;
+
+	if(init)
+		return;
+/* put keyboard (stdin, actually) in raw, unbuffered mode */
+	tcgetattr(0, &g_old_kbd_mode);
+	memcpy(&new_kbd_mode, &g_old_kbd_mode, sizeof(struct termios));
+	new_kbd_mode.c_lflag &= ~(ICANON /*| ECHO */ );
+	new_kbd_mode.c_cc[VTIME] = 0;
+	new_kbd_mode.c_cc[VMIN] = 1;
+	tcsetattr(0, TCSANOW, &new_kbd_mode);
+/* when we exit, go back to normal, "cooked" mode */
+	atexit(cooked);
+
+	init = 1;
+}
+/*****************************************************************************
+*****************************************************************************/
+static int _kbhit(void)
+{
+	struct timeval timeout;
+	fd_set read_handles;
+	int status;
+
+	raw();
+/* check stdin (fd 0) for activity */
+	FD_ZERO(&read_handles);
+	FD_SET(0, &read_handles);
+	timeout.tv_sec = timeout.tv_usec = 0;
+	status = select(0 + 1, &read_handles, nullptr, nullptr, &timeout);
+	if(status < 0)
+	{
+		printf("select() failed in _kbhit()\n");
+		exit(1);
+	}
+	return status;
+}
+/*****************************************************************************
+*****************************************************************************/
+static int _getch(void)
+{
+	unsigned char temp;
+
+	raw();
+/* stdin = fd 0 */
+	if(read(0, &temp, 1) != 1)
+		return 0;
+	return temp;
+}
+#endif
+
+