lcpex rewrite - alpha

src/lcpex/vpty/pty_fork_mod/tty_functions.h

@@ -0,0 +1,59 @@
+#ifndef LCPEX_TTY_FUNCTIONS_H
+#define LCPEX_TTY_FUNCTIONS_H
+
+
+#include <termios.h>
+#include <cstdio>
+#include <iostream>
+#include <unistd.h>
+
+/**
+ * @brief Place terminal referred to by 'fd' in cbreak mode
+ *
+ * This function places the terminal referred to by the file descriptor 'fd'
+ * in cbreak mode (noncanonical mode with echoing turned off). It assumes that
+ * the terminal is currently in cooked mode (i.e., it should not be called
+ * if the terminal is currently in raw mode, since it does not undo all of
+ * the changes made by the ttySetRaw() function).
+ *
+ * @param fd File descriptor of the terminal
+ * @param prevTermios Buffer to store the previous terminal settings
+ *
+ * @return 0 on success, or -1 on error
+ *
+ * If 'prevTermios' is non-NULL, then the buffer pointed to by it will be used
+ * to return the previous terminal settings.
+ */
+int ttySetCbreak(int fd, struct termios * prevTermios);
+
+/**
+ * @brief Place terminal referred to by 'fd' in raw mode
+ *
+ * This function places the terminal referred to by the file descriptor 'fd'
+ * in raw mode.
+ *
+ * @param fd File descriptor of the terminal
+ * @param prevTermios Buffer to store the previous terminal settings
+ *
+ * @return 0 on success, or -1 on error
+ *
+ * If 'prevTermios' is non-NULL, then the buffer pointed to by it will be used
+ * to return the previous terminal settings.
+ */
+int ttySetRaw(int fd, struct termios * prevTermios);
+
+
+/**
+ * @brief Reset terminal mode on program exit
+ *
+ * @param ttyOrig Original terminal mode to be restored
+ *
+ * This function resets the terminal mode when the program exits by using the
+ * tcsetattr function. If the tcsetattr function returns an error, the perror
+ * function is called to print an error message.
+ */
+void ttyResetExit( struct termios * ttyOrig );
+
+
+
+#endif //LCPEX_TTY_FUNCTIONS_H