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/*
45 * printw and friends
46 *
47 */
48
49#include	<sys/types.h>
50#include	<stdlib.h>
51#include	"curses_inc.h"
52#include	<stdarg.h>
53
54/*
55 *	This routine actually executes the printf and adds it to the window
56 *
57 *	This code now uses the vsprintf routine, which portably digs
58 *	into stdio.  We provide a vsprintf for older systems that don't
59 *	have one.
60 */
61
62/*VARARGS2*/
63int
64vwprintw(WINDOW *win, char *fmt, va_list ap)
65{
66	int size = BUFSIZ;
67	char *buffer;
68	int n, rv;
69
70	buffer = (char *) malloc(size);
71	if (buffer == NULL)
72		return (ERR);
73	/*CONSTCOND*/
74	while (1) {
75		n = vsnprintf(buffer, size, fmt, ap);
76		if (n < size)
77			break;
78		size *= 2;
79		buffer = (char *) realloc(buffer, size);
80		if (buffer == NULL)
81			return (ERR);
82	}
83	va_end(ap);
84	rv = waddstr(win, buffer);
85	free(buffer);
86	return (rv);
87}
88