blob: e7aa82c06c7662faf56468714e8823b54c3c40f5 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001// SPDX-License-Identifier: GPL-2.0
Arnaldo Carvalho de Melob0742e92017-04-18 11:08:10 -03002#include "term.h"
3#include <stdlib.h>
4#include <termios.h>
5#include <unistd.h>
6#include <sys/ioctl.h>
Josh Poimboeuf1fe143c2015-12-07 22:21:42 -06007
8void 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
30void 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}