tttermcap.c

早期freebsd实现

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Edward Wang at The University of California, Berkeley.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)tttermcap.c	8.1 (Berkeley) 6/6/93";
#endif /* not lint */

#include "tt.h"

char *tgetstr();
char *tgoto();
char *malloc();

tttputc(c)
{
	ttputc(c);
}

ttxputc(c)
{
	*tt_strp++ = c;
}

struct tt_str *
tttgetstr(str)
	char *str;
{
	register struct tt_str *s;

	if ((str = tgetstr(str, &tt_strp)) == 0)
		return 0;
	if ((s = (struct tt_str *) malloc(sizeof *s)) == 0)
		return 0;
	s->ts_str = str;
	s->ts_n = tt_strp - s->ts_str - 1;
	return s;
}

struct tt_str *
ttxgetstr(str)
	char *str;
{
	register struct tt_str *s;
	char buf[100];
	char *bufp = buf;

	if (tgetstr(str, &bufp) == 0)
		return 0;
	if ((s = (struct tt_str *) malloc(sizeof *s)) == 0)
		return 0;
	s->ts_str = tt_strp;
	tputs(buf, 1, ttxputc);
	s->ts_n = tt_strp - s->ts_str;
	*tt_strp++ = 0;
	return s;
}

tttgoto(s, col, row)
	struct tt_str *s;
{
	register char *p = s->ts_str;

	ttputs(tgoto(p, col, row));
	for (p += s->ts_n; *--p == 0;)
		ttputc(0);
}

ttpgoto(s, col, row, n)
	struct tt_str *s;
{

	tputs(tgoto(s->ts_str, col, row), n, tttputc);
}

ttstrcmp(a, b)
	register struct tt_str *a, *b;
{
	int n, r;

	if (r = bcmp(a->ts_str, b->ts_str,
			(n = a->ts_n - b->ts_n) < 0 ? a->ts_n : b->ts_n))
		return r;
	return n;
}