begin rewrite: add lionkor/commandline

src/Compat.cpp

@@ -0,0 +1,35 @@
+#include "Compat.h"
+
+#ifndef WIN32
+
+static struct termios old, current;
+
+void initTermios(int echo) {
+    tcgetattr(0, &old); /* grab old terminal i/o settings */
+    current = old; /* make new settings same as old settings */
+    current.c_lflag &= ~ICANON; /* disable buffered i/o */
+    if (echo) {
+        current.c_lflag |= ECHO; /* set echo mode */
+    } else {
+        current.c_lflag &= ~ECHO; /* set no echo mode */
+    }
+    tcsetattr(0, TCSANOW, &current); /* use these new terminal i/o settings now */
+}
+
+void resetTermios(void) {
+    tcsetattr(0, TCSANOW, &old);
+}
+
+char getch_(int echo) {
+    char ch;
+    initTermios(echo);
+    read(STDIN_FILENO, &ch, 1);
+    resetTermios();
+    return ch;
+}
+
+char _getch(void) {
+    return getch_(0);
+}
+
+#endif // !WIN32