/*
 * 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.
 */

/*LINTLIBRARY*/

/*
 * printw and friends
 *
 */

#include        <sys/types.h>
#include        <stdlib.h>
#include        "curses_inc.h"
#include        <stdarg.h>

/*
 *      This routine actually executes the printf and adds it to the window
 *
 *      This code now uses the vsprintf routine, which portably digs
 *      into stdio.  We provide a vsprintf for older systems that don't
 *      have one.
 */

/*VARARGS2*/
int
vwprintw(WINDOW *win, char *fmt, va_list ap)
{
        int size = BUFSIZ;
        char *buffer;
        int n, rv;

        buffer = (char *) malloc(size);
        if (buffer == NULL)
                return (ERR);
        /*CONSTCOND*/
        while (1) {
                n = vsnprintf(buffer, size, fmt, ap);
                if (n < size)
                        break;
                size *= 2;
                buffer = (char *) realloc(buffer, size);
                if (buffer == NULL)
                        return (ERR);
        }
        va_end(ap);
        rv = waddstr(win, buffer);
        free(buffer);
        return (rv);
}