Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include "term.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <termios.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <sys/ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) void get_term_dimensions(struct winsize *ws)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	char *s = getenv("LINES");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	if (s != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		ws->ws_row = atoi(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		s = getenv("COLUMNS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		if (s != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 			ws->ws_col = atoi(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 			if (ws->ws_row && ws->ws_col)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #ifdef TIOCGWINSZ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	if (ioctl(1, TIOCGWINSZ, ws) == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	    ws->ws_row && ws->ws_col)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	ws->ws_row = 25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	ws->ws_col = 80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) void set_term_quiet_input(struct termios *old)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	struct termios tc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	tcgetattr(0, old);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	tc = *old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	tc.c_lflag &= ~(ICANON | ECHO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	tc.c_cc[VMIN] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	tc.c_cc[VTIME] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	tcsetattr(0, TCSANOW, &tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }