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Diffstat (limited to 'manual/examples/termios.c')
-rw-r--r-- | manual/examples/termios.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/manual/examples/termios.c b/manual/examples/termios.c deleted file mode 100644 index 8ac2f626d5..0000000000 --- a/manual/examples/termios.c +++ /dev/null @@ -1,77 +0,0 @@ -/* Noncanonical Mode Example - Copyright (C) 1991-2017 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2 - of the License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, if not, see <http://www.gnu.org/licenses/>. -*/ - -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <termios.h> - -/* Use this variable to remember original terminal attributes. */ - -struct termios saved_attributes; - -void -reset_input_mode (void) -{ - tcsetattr (STDIN_FILENO, TCSANOW, &saved_attributes); -} - -void -set_input_mode (void) -{ - struct termios tattr; - char *name; - - /* Make sure stdin is a terminal. */ - if (!isatty (STDIN_FILENO)) - { - fprintf (stderr, "Not a terminal.\n"); - exit (EXIT_FAILURE); - } - - /* Save the terminal attributes so we can restore them later. */ - tcgetattr (STDIN_FILENO, &saved_attributes); - atexit (reset_input_mode); - -/*@group*/ - /* Set the funny terminal modes. */ - tcgetattr (STDIN_FILENO, &tattr); - tattr.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */ - tattr.c_cc[VMIN] = 1; - tattr.c_cc[VTIME] = 0; - tcsetattr (STDIN_FILENO, TCSAFLUSH, &tattr); -} -/*@end group*/ - -int -main (void) -{ - char c; - - set_input_mode (); - - while (1) - { - read (STDIN_FILENO, &c, 1); - if (c == '\004') /* @kbd{C-d} */ - break; - else - putchar (c); - } - - return EXIT_SUCCESS; -} |