wsetscrreg.c

操作系统SunOS 4.1.3版本的源码

/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ifndef lint
static	char sccsid[] = "@(#)wsetscrreg.c 1.1 92/07/30 SMI"; /* from S5R3.1 1.3 */
#endif

#include	"curses_inc.h"

/*
 *	Change scrolling region. Since we depend on the values
 *	of tmarg and bmarg in various ways, this can no longer
 *	be a macro.
 */

wsetscrreg(win,topy,boty)
WINDOW	*win;
int	topy, boty;
{
    if (topy < 0 || topy >= win->_maxy || boty < 0 || boty >= win->_maxy)
	return (ERR);

    win->_tmarg = topy;
    win->_bmarg = boty;
    return (OK);
}