1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*7c478bd9Sstevel@tonic-gate 
30*7c478bd9Sstevel@tonic-gate /*
31*7c478bd9Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*7c478bd9Sstevel@tonic-gate  * The Regents of the University of California
33*7c478bd9Sstevel@tonic-gate  * All Rights Reserved
34*7c478bd9Sstevel@tonic-gate  *
35*7c478bd9Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*7c478bd9Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*7c478bd9Sstevel@tonic-gate  * contributors.
38*7c478bd9Sstevel@tonic-gate  */
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
43*7c478bd9Sstevel@tonic-gate 
44*7c478bd9Sstevel@tonic-gate #include	<stdlib.h>
45*7c478bd9Sstevel@tonic-gate #include	<string.h>
46*7c478bd9Sstevel@tonic-gate #include	<sys/types.h>
47*7c478bd9Sstevel@tonic-gate #include	"curses_inc.h"
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate /* This routine sets up a window buffer and returns a pointer to it. */
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate WINDOW	*
_makenew(int nlines,int ncols,int begy,int begx)52*7c478bd9Sstevel@tonic-gate _makenew(int nlines, int ncols, int begy, int begx)
53*7c478bd9Sstevel@tonic-gate {
54*7c478bd9Sstevel@tonic-gate 	/* order the register allocations against highest usage */
55*7c478bd9Sstevel@tonic-gate 	WINDOW	*win;
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate #ifdef	DEBUG
58*7c478bd9Sstevel@tonic-gate 	if (outf)
59*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW(%d, %d, %d, %d)\n",
60*7c478bd9Sstevel@tonic-gate 		    nlines, ncols, begy, begx);
61*7c478bd9Sstevel@tonic-gate #endif	/* DEBUG */
62*7c478bd9Sstevel@tonic-gate 
63*7c478bd9Sstevel@tonic-gate 	if ((win = (WINDOW *) malloc(sizeof (WINDOW))) == NULL)
64*7c478bd9Sstevel@tonic-gate 		goto out_no_win;
65*7c478bd9Sstevel@tonic-gate 	if ((win->_y = (chtype **) malloc(nlines * sizeof (chtype *))) == NULL)
66*7c478bd9Sstevel@tonic-gate 		goto out_win;
67*7c478bd9Sstevel@tonic-gate #ifdef	_VR3_COMPAT_CODE
68*7c478bd9Sstevel@tonic-gate 	if ((_y16update) && ((win->_y16 = (_ochtype **)
69*7c478bd9Sstevel@tonic-gate 	    calloc(1, nlines * sizeof (_ochtype *))) == NULL)) {
70*7c478bd9Sstevel@tonic-gate 		goto out_y16;
71*7c478bd9Sstevel@tonic-gate 	}
72*7c478bd9Sstevel@tonic-gate #endif	/* _VR3_COMPAT_CODE */
73*7c478bd9Sstevel@tonic-gate 	if ((win->_firstch = (short *) malloc(2 * nlines * sizeof (short)))
74*7c478bd9Sstevel@tonic-gate 	    == NULL) {
75*7c478bd9Sstevel@tonic-gate #ifdef	_VR3_COMPAT_CODE
76*7c478bd9Sstevel@tonic-gate 		if ((_y16update) && (win->_y16 != NULL))
77*7c478bd9Sstevel@tonic-gate 			free((char *) win->_y16);
78*7c478bd9Sstevel@tonic-gate out_y16:
79*7c478bd9Sstevel@tonic-gate #endif	/* _VR3_COMPAT_CODE */
80*7c478bd9Sstevel@tonic-gate 		free((char *) win->_y);
81*7c478bd9Sstevel@tonic-gate out_win:
82*7c478bd9Sstevel@tonic-gate 		free((char *) win);
83*7c478bd9Sstevel@tonic-gate out_no_win:
84*7c478bd9Sstevel@tonic-gate 		curs_errno = CURS_BAD_MALLOC;
85*7c478bd9Sstevel@tonic-gate #ifdef	DEBUG
86*7c478bd9Sstevel@tonic-gate 		strcpy(curs_parm_err, "_makenew");
87*7c478bd9Sstevel@tonic-gate #endif	/* DEBUG */
88*7c478bd9Sstevel@tonic-gate 		return ((WINDOW *) NULL);
89*7c478bd9Sstevel@tonic-gate 	} else
90*7c478bd9Sstevel@tonic-gate 		win->_lastch = win->_firstch + nlines;
91*7c478bd9Sstevel@tonic-gate 
92*7c478bd9Sstevel@tonic-gate 	win->_cury = win->_curx = 0;
93*7c478bd9Sstevel@tonic-gate 	/*LINTED*/
94*7c478bd9Sstevel@tonic-gate 	win->_maxy = (short) nlines;
95*7c478bd9Sstevel@tonic-gate 	/*LINTED*/
96*7c478bd9Sstevel@tonic-gate 	win->_maxx = (short) ncols;
97*7c478bd9Sstevel@tonic-gate 	/*LINTED*/
98*7c478bd9Sstevel@tonic-gate 	win->_begy = (short) begy;
99*7c478bd9Sstevel@tonic-gate 	/*LINTED*/
100*7c478bd9Sstevel@tonic-gate 	win->_begx = (short) begx;
101*7c478bd9Sstevel@tonic-gate 	win->_clear = (((begy + SP->Yabove + begx) == 0) &&
102*7c478bd9Sstevel@tonic-gate 	    (nlines >= (LINES + SP->Yabove)) && (ncols >= COLS));
103*7c478bd9Sstevel@tonic-gate 	win->_leave = win->_scroll = win->_use_idl = win->_use_keypad =
104*7c478bd9Sstevel@tonic-gate 	    win->_notimeout = win->_immed = win->_sync = FALSE;
105*7c478bd9Sstevel@tonic-gate 	win->_use_idc = TRUE;
106*7c478bd9Sstevel@tonic-gate 	win->_ndescs = win->_tmarg = 0;
107*7c478bd9Sstevel@tonic-gate 	win->_bmarg = nlines - 1;
108*7c478bd9Sstevel@tonic-gate 	win->_bkgd = _BLNKCHAR;
109*7c478bd9Sstevel@tonic-gate 	win->_delay = win->_parx = win->_pary = -1;
110*7c478bd9Sstevel@tonic-gate 	win->_attrs = A_NORMAL;
111*7c478bd9Sstevel@tonic-gate 	win->_flags = _WINCHANGED;
112*7c478bd9Sstevel@tonic-gate 	win->_parent = win->_padwin = (WINDOW *) NULL;
113*7c478bd9Sstevel@tonic-gate 	(void) memset((char *) win->_firstch, 0, (nlines * sizeof (short)));
114*7c478bd9Sstevel@tonic-gate 	{
115*7c478bd9Sstevel@tonic-gate 		short	*lastch = win->_lastch,
116*7c478bd9Sstevel@tonic-gate 			*elastch = lastch + nlines;
117*7c478bd9Sstevel@tonic-gate 
118*7c478bd9Sstevel@tonic-gate 		ncols--;
119*7c478bd9Sstevel@tonic-gate 		while (lastch < elastch)
120*7c478bd9Sstevel@tonic-gate 		    /*LINTED*/
121*7c478bd9Sstevel@tonic-gate 		    *lastch++ = (short) ncols;
122*7c478bd9Sstevel@tonic-gate 	}
123*7c478bd9Sstevel@tonic-gate 
124*7c478bd9Sstevel@tonic-gate 	win->_insmode = FALSE;
125*7c478bd9Sstevel@tonic-gate 	win->_index = 0;
126*7c478bd9Sstevel@tonic-gate 	win->_nbyte = -1;
127*7c478bd9Sstevel@tonic-gate 
128*7c478bd9Sstevel@tonic-gate #ifdef	DEBUG
129*7c478bd9Sstevel@tonic-gate 	if (outf) {
130*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_clear = %d\n", win->_clear);
131*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_flags = %0.2o\n", win->_flags);
132*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_maxy = %d\n", win->_maxy);
133*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_maxx = %d\n", win->_maxx);
134*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_begy = %d\n", win->_begy);
135*7c478bd9Sstevel@tonic-gate 		fprintf(outf, "MAKENEW: win->_begx = %d\n", win->_begx);
136*7c478bd9Sstevel@tonic-gate 	}
137*7c478bd9Sstevel@tonic-gate #endif	/* DEBUG */
138*7c478bd9Sstevel@tonic-gate 	return (win);
139*7c478bd9Sstevel@tonic-gate }
140