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 weak _getc_unlocked = getc_unlocked
31
32#include "lint.h"
33#include "file64.h"
34#include "mtlib.h"
35#include <sys/types.h>
36#include <stdio.h>
37#include <thread.h>
38#include <synch.h>
39#include "stdiom.h"
40#include "mse.h"
41
42#undef getc
43#undef getc_unlocked
44
45int
46getc(FILE *iop)
47{
48	rmutex_t *lk;
49	int c;
50
51	FLOCKFILE(lk, iop);
52	c = getc_unlocked(iop);
53	FUNLOCKFILE(lk);
54	return (c);
55}
56
57
58int
59getc_unlocked(FILE *iop)
60{
61	_SET_ORIENTATION_BYTE(iop);
62	return ((--iop->_cnt < 0) ? __filbuf(iop) : *iop->_ptr++);
63}
64
65int
66_getc_internal(FILE *iop)
67{
68	return ((--iop->_cnt < 0) ? __filbuf(iop) : *iop->_ptr++);
69}
70