putwin.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/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/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[] = "@(#)putwin.c 1.1 92/07/30 SMI"; /* from S5R3.1 1.4 */
#endif

#include	"curses_inc.h"

/*
 * Write a window to a file.
 *
 * win:	the window to write out.
 * filep:	the file to write to.
 */

putwin(win, filep)
WINDOW	*win;
FILE	*filep;
{
    int			maxx, nelt;
    register	chtype	**wcp, **ecp;

    /* write everything from _cury to _bkgd inclusive */
    nelt = sizeof(WINDOW) - sizeof(win->_y) - sizeof(win->_parent) -
	   sizeof(win->_parx) - sizeof(win->_pary) -
	   sizeof(win->_ndescs) - sizeof(win->_delay);

    if (fwrite((char *) &(win->_cury), 1, nelt, filep) != nelt)
	goto err;

    /* Write the character image */
    maxx = win->_maxx;
    ecp = (wcp = win->_y) + win->_maxy;
    while (wcp < ecp)
	if (fwrite((char *) *wcp++, sizeof(chtype), maxx, filep) != maxx)
err:
	    return (ERR);

    return (OK);
}