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