include/stdio_impl.h

   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 #include <sys/isa_defs.h>
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #ifdef  _LP64
  37
  38 #ifndef _FILE64_H
  39
  40 struct __FILE_TAG {
  41         long    __pad[16];
  42 };
  43
  44 #endif  /* _FILE64_H */
  45
  46 #else
  47
  48 struct __FILE_TAG       /* needs to be binary-compatible with old versions */
  49 {
  50 #ifdef _STDIO_REVERSE
  51         unsigned char   *_ptr;  /* next character from/to here in buffer */
  52         int             _cnt;   /* number of available characters in buffer */
  53 #else
  54         int             _cnt;   /* number of available characters in buffer */
  55         unsigned char   *_ptr;  /* next character from/to here in buffer */
  56 #endif
  57         unsigned char   *_base; /* the buffer */
  58         unsigned char   _flag;  /* the state of the stream */
  59         unsigned char   _magic; /* Old home of the file descriptor */
  60                                 /* Only fileno(3C) can retrieve the value now */
  61         unsigned        __orientation:2; /* the orientation of the stream */
  62         unsigned        __ionolock:1;   /* turn off implicit locking */
  63         unsigned        __seekable:1;   /* is file seekable? */
  64         unsigned        __extendedfd:1; /* enable extended FILE */
  65         unsigned        __xf_nocheck:1; /* no extended FILE runtime check */
  66         unsigned        __filler:10;
  67 };
  68
  69 #endif  /*      _LP64   */
  70
  71 #ifdef  __cplusplus
  72 }
  73 #endif
  74
  75 #endif  /* _STDIO_IMPL_H */