xref: /titanic_41/usr/src/head/stdio_impl.h (revision a5f69788de7ac07553de47f7fec8c05a9a94c105)
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 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _STDIO_IMPL_H
28 #define	_STDIO_IMPL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/isa_defs.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 #ifdef	_LP64
39 
40 #ifndef	_FILE64_H
41 
42 struct __FILE_TAG {
43 	long	__pad[16];
44 };
45 
46 #endif	/* _FILE64_H */
47 
48 #else
49 
50 struct __FILE_TAG	/* needs to be binary-compatible with old versions */
51 {
52 #ifdef _STDIO_REVERSE
53 	unsigned char	*_ptr;	/* next character from/to here in buffer */
54 	int		_cnt;	/* number of available characters in buffer */
55 #else
56 	int		_cnt;	/* number of available characters in buffer */
57 	unsigned char	*_ptr;	/* next character from/to here in buffer */
58 #endif
59 	unsigned char	*_base;	/* the buffer */
60 	unsigned char	_flag;	/* the state of the stream */
61 	unsigned char	_magic; /* Old home of the file descriptor */
62 				/* Only fileno(3C) can retrieve the value now */
63 	unsigned	__orientation:2; /* the orientation of the stream */
64 	unsigned	__ionolock:1;	/* turn off implicit locking */
65 	unsigned	__seekable:1;	/* is file seekable? */
66 	unsigned	__extendedfd:1;	/* enable extended FILE */
67 	unsigned	__xf_nocheck:1;	/* no extended FILE runtime check */
68 	unsigned	__filler:10;
69 };
70 
71 #endif	/*	_LP64	*/
72 
73 #ifdef	__cplusplus
74 }
75 #endif
76 
77 #endif	/* _STDIO_IMPL_H */
78