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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * Compatibility wrappers for setbuffer and setlinebuf
31 */
32
33#include "lint.h"
34#include <sys/types.h>
35#include <stdio.h>
36#include <stdlib.h>
37
38/*
39 * Associate a buffer with an "unused" stream.
40 * If the buffer is NULL, then make the stream completely unbuffered.
41 */
42void
43setbuffer(FILE *iop, char *abuf, size_t asize)
44{
45	if (abuf == NULL)
46		(void) setvbuf(iop, NULL, _IONBF, 0);
47	else
48		(void) setvbuf(iop, abuf, _IOFBF, asize);
49}
50
51/*
52 * Convert a block buffered or line buffered stream to be line buffered
53 * Allowed while the stream is still active; relies on the implementation
54 * not the interface!
55 */
56
57int
58setlinebuf(FILE *iop)
59{
60	(void) fflush(iop);
61	(void) setvbuf(iop, NULL, _IOLBF, 128);
62	return (0);
63}
64