1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 #include "term.h" 2 #include "term.h"
3 #include <stdlib.h> 3 #include <stdlib.h>
4 #include <termios.h> 4 #include <termios.h>
5 #include <unistd.h> 5 #include <unistd.h>
6 #include <sys/ioctl.h> 6 #include <sys/ioctl.h>
7 7
8 void get_term_dimensions(struct winsize *ws) 8 void get_term_dimensions(struct winsize *ws)
9 { 9 {
10 char *s = getenv("LINES"); 10 char *s = getenv("LINES");
11 11
12 if (s != NULL) { 12 if (s != NULL) {
13 ws->ws_row = atoi(s); 13 ws->ws_row = atoi(s);
14 s = getenv("COLUMNS"); 14 s = getenv("COLUMNS");
15 if (s != NULL) { 15 if (s != NULL) {
16 ws->ws_col = atoi(s); 16 ws->ws_col = atoi(s);
17 if (ws->ws_row && ws-> 17 if (ws->ws_row && ws->ws_col)
18 return; 18 return;
19 } 19 }
20 } 20 }
21 #ifdef TIOCGWINSZ 21 #ifdef TIOCGWINSZ
22 if (ioctl(1, TIOCGWINSZ, ws) == 0 && 22 if (ioctl(1, TIOCGWINSZ, ws) == 0 &&
23 ws->ws_row && ws->ws_col) 23 ws->ws_row && ws->ws_col)
24 return; 24 return;
25 #endif 25 #endif
26 ws->ws_row = 25; 26 ws->ws_row = 25;
27 ws->ws_col = 80; 27 ws->ws_col = 80;
28 } 28 }
29 29
30 void set_term_quiet_input(struct termios *old) 30 void set_term_quiet_input(struct termios *old)
31 { 31 {
32 struct termios tc; 32 struct termios tc;
33 33
34 tcgetattr(0, old); 34 tcgetattr(0, old);
35 tc = *old; 35 tc = *old;
36 tc.c_lflag &= ~(ICANON | ECHO); 36 tc.c_lflag &= ~(ICANON | ECHO);
37 tc.c_cc[VMIN] = 0; 37 tc.c_cc[VMIN] = 0;
38 tc.c_cc[VTIME] = 0; 38 tc.c_cc[VTIME] = 0;
39 tcsetattr(0, TCSANOW, &tc); 39 tcsetattr(0, TCSANOW, &tc);
40 } 40 }
41 41
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