17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*
237c478bdstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
287c478bdstevel@tonic-gate/*	  All Rights Reserved  	*/
297c478bdstevel@tonic-gate
307c478bdstevel@tonic-gate
317c478bdstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
327c478bdstevel@tonic-gate
337c478bdstevel@tonic-gate/*LINTLIBRARY*/
347c478bdstevel@tonic-gate
357c478bdstevel@tonic-gate#include <sys/types.h>
367c478bdstevel@tonic-gate#include "file64.h"
377c478bdstevel@tonic-gate#include <stdio.h>
387c478bdstevel@tonic-gate#include <stdarg.h>
397c478bdstevel@tonic-gate#include "libc.h"
407c478bdstevel@tonic-gate
417c478bdstevel@tonic-gateint
427c478bdstevel@tonic-gateprintf(const char *format, ...)
437c478bdstevel@tonic-gate{
447c478bdstevel@tonic-gate	int count;
457c478bdstevel@tonic-gate	va_list ap;
467c478bdstevel@tonic-gate
477c478bdstevel@tonic-gate	va_start(ap, format);
487c478bdstevel@tonic-gate	if (!(stdout->_flag & _IOWRT)) {
497c478bdstevel@tonic-gate		/* if no write flag */
507c478bdstevel@tonic-gate		if (stdout->_flag & _IORW) {
517c478bdstevel@tonic-gate			/* if ok, cause read-write */
527c478bdstevel@tonic-gate			stdout->_flag |= _IOWRT;
537c478bdstevel@tonic-gate		} else {
547c478bdstevel@tonic-gate			/* else error */
557c478bdstevel@tonic-gate			return (EOF);
567c478bdstevel@tonic-gate		}
577c478bdstevel@tonic-gate	}
587c478bdstevel@tonic-gate	count = _doprnt((char *) format, ap, stdout);
597c478bdstevel@tonic-gate	va_end(ap);
607c478bdstevel@tonic-gate	return (count);
617c478bdstevel@tonic-gate}
62