162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include "term.h" 362306a36Sopenharmony_ci#include <stdlib.h> 462306a36Sopenharmony_ci#include <termios.h> 562306a36Sopenharmony_ci#include <unistd.h> 662306a36Sopenharmony_ci#include <sys/ioctl.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_civoid get_term_dimensions(struct winsize *ws) 962306a36Sopenharmony_ci{ 1062306a36Sopenharmony_ci char *s = getenv("LINES"); 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci if (s != NULL) { 1362306a36Sopenharmony_ci ws->ws_row = atoi(s); 1462306a36Sopenharmony_ci s = getenv("COLUMNS"); 1562306a36Sopenharmony_ci if (s != NULL) { 1662306a36Sopenharmony_ci ws->ws_col = atoi(s); 1762306a36Sopenharmony_ci if (ws->ws_row && ws->ws_col) 1862306a36Sopenharmony_ci return; 1962306a36Sopenharmony_ci } 2062306a36Sopenharmony_ci } 2162306a36Sopenharmony_ci#ifdef TIOCGWINSZ 2262306a36Sopenharmony_ci if (ioctl(1, TIOCGWINSZ, ws) == 0 && 2362306a36Sopenharmony_ci ws->ws_row && ws->ws_col) 2462306a36Sopenharmony_ci return; 2562306a36Sopenharmony_ci#endif 2662306a36Sopenharmony_ci ws->ws_row = 25; 2762306a36Sopenharmony_ci ws->ws_col = 80; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_civoid set_term_quiet_input(struct termios *old) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci struct termios tc; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci tcgetattr(0, old); 3562306a36Sopenharmony_ci tc = *old; 3662306a36Sopenharmony_ci tc.c_lflag &= ~(ICANON | ECHO); 3762306a36Sopenharmony_ci tc.c_cc[VMIN] = 0; 3862306a36Sopenharmony_ci tc.c_cc[VTIME] = 0; 3962306a36Sopenharmony_ci tcsetattr(0, TCSANOW, &tc); 4062306a36Sopenharmony_ci} 41