[deliverable/linux.git] / tools / perf / util / term.c

#include "util.h"

void get_term_dimensions(struct winsize *ws)
{
	char *s = getenv("LINES");

	if (s != NULL) {
		ws->ws_row = atoi(s);
		s = getenv("COLUMNS");
		if (s != NULL) {
			ws->ws_col = atoi(s);
			if (ws->ws_row && ws->ws_col)
				return;
		}
	}
#ifdef TIOCGWINSZ
	if (ioctl(1, TIOCGWINSZ, ws) == 0 &&
	    ws->ws_row && ws->ws_col)
		return;
#endif
	ws->ws_row = 25;
	ws->ws_col = 80;
}

void set_term_quiet_input(struct termios *old)
{
	struct termios tc;

	tcgetattr(0, old);
	tc = *old;
	tc.c_lflag &= ~(ICANON | ECHO);
	tc.c_cc[VMIN] = 0;
	tc.c_cc[VTIME] = 0;
	tcsetattr(0, TCSANOW, &tc);
}
Commit	Line	Data
1fe143c5 JP	1	#include "util.h"
	2
	3	void 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
	25	void 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	}