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
47 int
putc(int ch,FILE * iop)48 putc(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
68 int
putc_unlocked(int ch,FILE * iop)69 putc_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