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
 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}

 1#include "util.h"
 
 
 
 
 
 2
 3void get_term_dimensions(struct winsize *ws)
 4{
 5	char *s = getenv("LINES");
 6
 7	if (s != NULL) {
 8		ws->ws_row = atoi(s);
 9		s = getenv("COLUMNS");
10		if (s != NULL) {
11			ws->ws_col = atoi(s);
12			if (ws->ws_row && ws->ws_col)
13				return;
14		}
15	}
16#ifdef TIOCGWINSZ
17	if (ioctl(1, TIOCGWINSZ, ws) == 0 &&
18	    ws->ws_row && ws->ws_col)
19		return;
20#endif
21	ws->ws_row = 25;
22	ws->ws_col = 80;
23}
24
25void set_term_quiet_input(struct termios *old)
26{
27	struct termios tc;
28
29	tcgetattr(0, old);
30	tc = *old;
31	tc.c_lflag &= ~(ICANON | ECHO);
32	tc.c_cc[VMIN] = 0;
33	tc.c_cc[VTIME] = 0;
34	tcsetattr(0, TCSANOW, &tc);
35}