makenew.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "curses_inc.h"
/* This routine sets up a window buffer and returns a pointer to it. */
WINDOW *
_makenew(int nlines, int ncols, int begy, int begx)
{
/* order the register allocations against highest usage */
WINDOW *win;
#ifdef DEBUG
if (outf)
fprintf(outf, "MAKENEW(%d, %d, %d, %d)\n",
nlines, ncols, begy, begx);
#endif /* DEBUG */
if ((win = (WINDOW *) malloc(sizeof (WINDOW))) == NULL)
goto out_no_win;
if ((win->_y = (chtype **) malloc(nlines * sizeof (chtype *))) == NULL)
goto out_win;
#ifdef _VR3_COMPAT_CODE
if ((_y16update) && ((win->_y16 = (_ochtype **)
calloc(1, nlines * sizeof (_ochtype *))) == NULL)) {
goto out_y16;
}
#endif /* _VR3_COMPAT_CODE */
if ((win->_firstch = (short *) malloc(2 * nlines * sizeof (short)))
== NULL) {
#ifdef _VR3_COMPAT_CODE
if ((_y16update) && (win->_y16 != NULL))
free((char *) win->_y16);
out_y16:
#endif /* _VR3_COMPAT_CODE */
free((char *) win->_y);
out_win:
free((char *) win);
out_no_win:
curs_errno = CURS_BAD_MALLOC;
#ifdef DEBUG
strcpy(curs_parm_err, "_makenew");
#endif /* DEBUG */
return ((WINDOW *) NULL);
} else
win->_lastch = win->_firstch + nlines;
win->_cury = win->_curx = 0;
/*LINTED*/
win->_maxy = (short) nlines;
/*LINTED*/
win->_maxx = (short) ncols;
/*LINTED*/
win->_begy = (short) begy;
/*LINTED*/
win->_begx = (short) begx;
win->_clear = (((begy + SP->Yabove + begx) == 0) &&
(nlines >= (LINES + SP->Yabove)) && (ncols >= COLS));
win->_leave = win->_scroll = win->_use_idl = win->_use_keypad =
win->_notimeout = win->_immed = win->_sync = FALSE;
win->_use_idc = TRUE;
win->_ndescs = win->_tmarg = 0;
win->_bmarg = nlines - 1;
win->_bkgd = _BLNKCHAR;
win->_delay = win->_parx = win->_pary = -1;
win->_attrs = A_NORMAL;
win->_flags = _WINCHANGED;
win->_parent = win->_padwin = (WINDOW *) NULL;
(void) memset((char *) win->_firstch, 0, (nlines * sizeof (short)));
{
short *lastch = win->_lastch,
*elastch = lastch + nlines;
ncols--;
while (lastch < elastch)
/*LINTED*/
*lastch++ = (short) ncols;
}
win->_insmode = FALSE;
win->_index = 0;
win->_nbyte = -1;
#ifdef DEBUG
if (outf) {
fprintf(outf, "MAKENEW: win->_clear = %d\n", win->_clear);
fprintf(outf, "MAKENEW: win->_flags = %0.2o\n", win->_flags);
fprintf(outf, "MAKENEW: win->_maxy = %d\n", win->_maxy);
fprintf(outf, "MAKENEW: win->_maxx = %d\n", win->_maxx);
fprintf(outf, "MAKENEW: win->_begy = %d\n", win->_begy);
fprintf(outf, "MAKENEW: win->_begx = %d\n", win->_begx);
}
#endif /* DEBUG */
return (win);
}