xref: /illumos-gate/usr/src/lib/libc/port/stdio/mse.c (revision f3041bfa)
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 /*
28  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
29  * Use is subject to license terms.
30  */
31 
32 #include "lint.h"
33 #include "mtlib.h"
34 #include "mbstatet.h"
35 #include "file64.h"
36 #include <sys/types.h>
37 #include <stdio.h>
38 #include <wchar.h>
39 #include <thread.h>
40 #include <synch.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include "libc.h"
44 #include "stdiom.h"
45 #include "mse.h"
46 
47 /*
48  * DESCRIPTION:
49  * This function/macro gets the orientation bound to the specified iop.
50  *
51  * RETURNS:
52  * _WC_MODE	if iop has been bound to Wide orientation
53  * _BYTE_MODE	if iop has been bound to Byte orientation
54  * _NO_MODE	if iop has been bound to neither Wide nor Byte
55  */
56 _IOP_orientation_t
57 _getorientation(FILE *iop)
58 {
59 	if (GET_BYTE_MODE(iop))
60 		return (_BYTE_MODE);
61 	else if (GET_WC_MODE(iop))
62 		return (_WC_MODE);
63 
64 	return (_NO_MODE);
65 }
66 
67 /*
68  * DESCRIPTION:
69  * This function/macro sets the orientation to the specified iop.
70  *
71  * INPUT:
72  * flag may take one of the following:
73  *	_WC_MODE	Wide orientation
74  *	_BYTE_MODE	Byte orientation
75  *	_NO_MODE	Unoriented
76  */
77 void
78 _setorientation(FILE *iop, _IOP_orientation_t mode)
79 {
80 	switch (mode) {
81 	case _NO_MODE:
82 		CLEAR_BYTE_MODE(iop);
83 		CLEAR_WC_MODE(iop);
84 		break;
85 	case _BYTE_MODE:
86 		CLEAR_WC_MODE(iop);
87 		SET_BYTE_MODE(iop);
88 		break;
89 	case _WC_MODE:
90 		CLEAR_BYTE_MODE(iop);
91 		SET_WC_MODE(iop);
92 		break;
93 	}
94 }
95