2 * Copyright (c) 2003 Nikodemus Siivola
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 state_t * stack = NULL;
39 state_t * state = malloc (sizeof (state_t));
40 struct termios * attr = malloc (sizeof (struct termios));
41 if (! (state && attr))
44 tcgetattr (STDIN_FILENO, attr);
56 state_t * tmp = stack;
59 tcsetattr (STDIN_FILENO, TCSANOW, stack->attr);
70 if (! (isatty (STDIN_FILENO) && save_term ()))
73 tcgetattr (STDIN_FILENO, &attr);
74 attr.c_lflag &= ~ECHO;
75 tcsetattr (STDIN_FILENO, TCSAFLUSH, &attr);