/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

#ifndef _FCNTL_H
#define _FCNTL_H

#include <sys/feature_tests.h>
#if defined(__EXTENSIONS__) || defined(_XPG4)
#include <sys/stat.h>
#endif
#include <sys/types.h>
#include <sys/fcntl.h>

#ifdef  __cplusplus
extern "C" {
#endif

#if defined(__EXTENSIONS__) || defined(_XPG4)

/* Symbolic constants for the "lseek" routine. */

#ifndef SEEK_SET
#define SEEK_SET        0       /* Set file pointer to "offset" */
#endif

#ifndef SEEK_CUR
#define SEEK_CUR        1       /* Set file pointer to current plus "offset" */
#endif

#ifndef SEEK_END
#define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
#endif
#endif /* defined(__EXTENSIONS__) || defined(_XPG4) */

#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
#ifndef SEEK_DATA
#define SEEK_DATA       3       /* Set file pointer to next data past offset */
#endif

#ifndef SEEK_HOLE
#define SEEK_HOLE       4       /* Set file pointer to next hole past offset */
#endif
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */


/* large file compilation environment setup */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname        open    open64
#pragma redefine_extname        creat   creat64
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
#pragma redefine_extname        posix_fadvise posix_fadvise64
#pragma redefine_extname        posix_fallocate posix_fallocate64
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
#pragma redefine_extname        openat  openat64
#pragma redefine_extname        attropen attropen64
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#else
#define open                    open64
#define creat                   creat64
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
#define posix_fadvise           posix_fadvise64
#define posix_fallocate         posix_fallocate64
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
#define openat                  openat64
#define attropen                attropen64
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#endif
#endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 */

#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname        open64  open
#pragma redefine_extname        creat64 creat
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
#pragma redefine_extname        posix_fadvise64 posix_fadvise
#pragma redefine_extname        posix_fallocate64 posix_fallocate
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
#pragma redefine_extname        openat64        openat
#pragma redefine_extname        attropen64      attropen
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#else
#define open64                          open
#define creat64                         creat
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
#define posix_fadvise64                 posix_fadvise
#define posix_fallocate64               posix_fallocate
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
#define openat64                        openat
#define attropen64                      attropen
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#endif
#endif  /* _LP64 && _LARGEFILE64_SOURCE */

extern int fcntl(int, int, ...);
extern int open(const char *, int, ...);
extern int creat(const char *, mode_t);
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
extern int posix_fadvise(int, off_t, off_t, int);
extern int posix_fallocate(int, off_t, off_t);
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
extern int openat(int, const char *, int, ...);
extern int attropen(const char *, const char *, int, ...);
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
extern int directio(int, int);
#endif

/* transitional large file interface versions */
#if     defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
            !defined(__PRAGMA_REDEFINE_EXTNAME))
extern int open64(const char *, int, ...);
extern int creat64(const char *, mode_t);
#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
extern int posix_fadvise64(int, off64_t, off64_t, int);
extern int posix_fallocate64(int, off64_t, off64_t);
#endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
#if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
        defined(_ATFILE_SOURCE)
extern int openat64(int, const char *, int, ...);
extern int attropen64(const char *, const char *, int, ...);
#endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
#endif

#ifdef  __cplusplus
}
#endif

#endif  /* _FCNTL_H */