| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #include "term.h" |
| 3 | #include <stdlib.h> |
| 4 | #include <termios.h> |
| 5 | #include <unistd.h> |
| 6 | #include <sys/ioctl.h> |
| 7 | |
| 8 | void get_term_dimensions(struct winsize *ws) |
| 9 | { |
| 10 | char *s = getenv("LINES"); |
| 11 | |
| 12 | if (s != NULL) { |
| 13 | ws->ws_row = atoi(s); |
| 14 | s = getenv("COLUMNS"); |
| 15 | if (s != NULL) { |
| 16 | ws->ws_col = atoi(s); |
| 17 | if (ws->ws_row && ws->ws_col) |
| 18 | return; |
| 19 | } |
| 20 | } |
| 21 | #ifdef TIOCGWINSZ |
| 22 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 23 | ws->ws_row && ws->ws_col) |
| 24 | return; |
| 25 | #endif |
| 26 | ws->ws_row = 25; |
| 27 | ws->ws_col = 80; |
| 28 | } |
| 29 | |
| 30 | void set_term_quiet_input(struct termios *old) |
| 31 | { |
| 32 | struct termios tc; |
| 33 | |
| 34 | tcgetattr(0, old); |
| 35 | tc = *old; |
| 36 | tc.c_lflag &= ~(ICANON | ECHO); |
| 37 | tc.c_cc[VMIN] = 0; |
| 38 | tc.c_cc[VTIME] = 0; |
| 39 | tcsetattr(0, TCSANOW, &tc); |
| 40 | } |