termcap.form

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*
 * Simulation of termcap using terminfo.
 */

#include "curses.ext"

static char *sccsid = "@(#)termcap.form	1.1	1.8	3/6/83";

char *UP;
char *BC;
char PC;
short ospeed;

int
tgetent(bp, name)
char *bp, *name;
{
	int rv;

	if (setupterm(name, 1, &rv) >= 0)
		/* Leave things as they were (for compatibility) */
		reset_shell_mode();
	return rv;
}

/* Make a 2 letter code into an integer we can switch on easily */
#define two(s1, s2) (s1 + 256*s2)
#define twostr(str) two(*str, str[1])

int
tgetflag(id)
char *id;
{
	register int rv;
	register char *p;

	switch (twostr(id)) {
	BOOLS
	case two('b','s'):
		p = cursor_left;
		rv = p && *p==8 && p[1] == 0;
		break;
	case two('p','t'):
		p = tab;
		rv = p && *p==9 && p[1] == 0;
		break;
	case two('n','c'):
		p = carriage_return;
		rv = ! (p && *p==13 && p[1] == 0);
		break;
	case two('n','s'):
		p = scroll_forward;
		rv = ! (p && *p==10 && p[1] == 0);
		break;
	default: rv = 0;
	}
	return rv;
}

int
tgetnum(id)
char *id;
{
	int rv;

	switch (twostr(id)) {
	NUMS
	default: rv = -1;
	}
	return rv;
}

char *
tgetstr(id, area)
char *id, *area;
{
	char *rv;

	switch (twostr(id)) {
	STRS
	default: rv = NULL;
	}
	return rv;
}