10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*1846Scraigm * Common Development and Distribution License (the "License"). 6*1846Scraigm * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 21*1846Scraigm 220Sstevel@tonic-gate /* 23*1846Scraigm * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate /* 280Sstevel@tonic-gate * This is the header where the internal to libc definition of the FILE 290Sstevel@tonic-gate * structure is defined. The exrernal defintion defines the FILE structure 300Sstevel@tonic-gate * as an array of longs. This prevents customers from writing code that 310Sstevel@tonic-gate * depends upon the implemnetation of stdio. The __fbufsize(3C) man page 320Sstevel@tonic-gate * documents a set of routines that customers can use so that they do not 330Sstevel@tonic-gate * need access to the FILE structure. 340Sstevel@tonic-gate * 350Sstevel@tonic-gate * When compiling libc this file MUST be included BEFORE <stdio.h>, and 360Sstevel@tonic-gate * any other headers that themselves directly or indirectly include 370Sstevel@tonic-gate * <stdio.h>. Failure to do so, will cause the compile of libc to fail, 380Sstevel@tonic-gate * since the structure members will not be visible to the stdio routines. 390Sstevel@tonic-gate */ 400Sstevel@tonic-gate 410Sstevel@tonic-gate #ifndef _FILE64_H 420Sstevel@tonic-gate #define _FILE64_H 430Sstevel@tonic-gate 440Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 450Sstevel@tonic-gate 460Sstevel@tonic-gate #include <synch.h> 470Sstevel@tonic-gate #include <stdio_tag.h> 480Sstevel@tonic-gate #include <wchar_impl.h> 490Sstevel@tonic-gate 500Sstevel@tonic-gate #ifdef __cplusplus 510Sstevel@tonic-gate extern "C" { 520Sstevel@tonic-gate #endif 530Sstevel@tonic-gate 540Sstevel@tonic-gate #ifndef _MBSTATE_T 550Sstevel@tonic-gate #define _MBSTATE_T 560Sstevel@tonic-gate typedef __mbstate_t mbstate_t; 570Sstevel@tonic-gate #endif 580Sstevel@tonic-gate 590Sstevel@tonic-gate #define rmutex_t mutex_t 600Sstevel@tonic-gate 610Sstevel@tonic-gate #ifdef _LP64 620Sstevel@tonic-gate 630Sstevel@tonic-gate struct __FILE_TAG { 640Sstevel@tonic-gate unsigned char *_ptr; /* next character from/to here in buffer */ 650Sstevel@tonic-gate unsigned char *_base; /* the buffer */ 660Sstevel@tonic-gate unsigned char *_end; /* the end of the buffer */ 670Sstevel@tonic-gate ssize_t _cnt; /* number of available characters in buffer */ 680Sstevel@tonic-gate int _file; /* UNIX System file descriptor */ 690Sstevel@tonic-gate unsigned int _flag; /* the state of the stream */ 700Sstevel@tonic-gate rmutex_t _lock; /* lock for this structure */ 710Sstevel@tonic-gate mbstate_t _state; /* mbstate_t */ 720Sstevel@tonic-gate char __fill[32]; /* filler to bring size to 128 bytes */ 730Sstevel@tonic-gate }; 740Sstevel@tonic-gate 750Sstevel@tonic-gate #else 760Sstevel@tonic-gate 770Sstevel@tonic-gate /* 780Sstevel@tonic-gate * Stuff missing from our 32-bit FILE struct. 790Sstevel@tonic-gate */ 800Sstevel@tonic-gate struct xFILEdata { 810Sstevel@tonic-gate uintptr_t _magic; /* Check: magic number, must be first */ 820Sstevel@tonic-gate unsigned char *_end; /* the end of the buffer */ 830Sstevel@tonic-gate rmutex_t _lock; /* lock for this structure */ 840Sstevel@tonic-gate mbstate_t _state; /* mbstate_t */ 85*1846Scraigm int _altfd; /* alternate fd if > 255 */ 860Sstevel@tonic-gate }; 870Sstevel@tonic-gate 880Sstevel@tonic-gate #define XFILEINITIALIZER { 0, NULL, RECURSIVEMUTEX, DEFAULTMBSTATE } 890Sstevel@tonic-gate 900Sstevel@tonic-gate #endif /* _LP64 */ 910Sstevel@tonic-gate 920Sstevel@tonic-gate #ifdef __cplusplus 930Sstevel@tonic-gate } 940Sstevel@tonic-gate #endif 950Sstevel@tonic-gate 960Sstevel@tonic-gate #endif /* _FILE64_H */ 97