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/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#pragma weak _putc_unlocked = putc_unlocked
33
34#include "lint.h"
35#include "file64.h"
36#include "mtlib.h"
37#include <sys/types.h>
38#include <stdio.h>
39#include <thread.h>
40#include <synch.h>
41#include "stdiom.h"
42#include "mse.h"
43
44#undef putc
45#undef putc_unlocked
46
47int
48putc(int ch, FILE *iop)
49{
50	rmutex_t *lk;
51	int ret;
52
53	FLOCKFILE(lk, iop);
54
55	_SET_ORIENTATION_BYTE(iop);
56
57	if (--iop->_cnt < 0)
58		ret = __flsbuf((unsigned char) ch, iop);
59	else {
60		(*iop->_ptr++) = (unsigned char)ch;
61		ret = (unsigned char)ch;
62	}
63	FUNLOCKFILE(lk);
64	return (ret);
65}
66
67
68int
69putc_unlocked(int ch, FILE *iop)
70{
71	if (--iop->_cnt < 0)
72		return (__flsbuf((unsigned char) ch, iop));
73	else
74		return (*iop->_ptr++ = (unsigned char)ch);
75}
76