/**
 * Copyright (c) 2011-2018 Bill Greiman
 * This file is part of the SdFat library for SD memory cards.
 *
 * MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#ifndef FatApiConstants_h
#define FatApiConstants_h
#include "SdFatConfig.h"

#if USE_FCNTL_H
#include <fcntl.h>
/* values for GNU Arm Embedded Toolchain.
 * O_RDONLY:   0x0
 * O_WRONLY:   0x1
 * O_RDWR:     0x2
 * O_ACCMODE:  0x3
 * O_APPEND:   0x8
 * O_CREAT:    0x200
 * O_TRUNC:    0x400
 * O_EXCL:     0x800
 * O_SYNC:     0x2000
 * O_NONBLOCK: 0x4000
 */
/** Use O_NONBLOCK for open at EOF */
#define O_AT_END O_NONBLOCK ///< Open at EOF.
typedef int oflag_t;
#else                 // USE_FCNTL_H
#define O_RDONLY 0X00 ///< Open for reading only.
#define O_WRONLY 0X01 ///< Open for writing only.
#define O_RDWR   0X02 ///< Open for reading and writing.
#define O_AT_END 0X04 ///< Open at EOF.
#define O_APPEND 0X08 ///< Set append mode.
#define O_CREAT  0x10 ///< Create file if it does not exist.
#define O_TRUNC  0x20 ///< Truncate file to zero length.
#define O_EXCL   0x40 ///< Fail if the file exists.
#define O_SYNC   0x80 ///< Synchronized write I/O operations.

#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR) ///< Mask for access mode.
typedef uint8_t oflag_t;
#endif                                           // USE_FCNTL_H

#define O_READ  O_RDONLY
#define O_WRITE O_WRONLY

inline bool isWriteMode(oflag_t oflag)
{
    oflag &= O_ACCMODE;
    return oflag == O_WRONLY || oflag == O_RDWR;
}

// FatFile class static and const definitions
// flags for ls()
/** ls() flag for list all files including hidden. */
#define LS_A 1
/** ls() flag to print modify. date */
#define LS_DATE 2
/** ls() flag to print file size. */
#define LS_SIZE 4
/** ls() flag for recursive list of subdirectories */
#define LS_R 8

// flags for timestamp
/** set the file's last access date */
#define T_ACCESS 1
/** set the file's creation date and time */
#define T_CREATE 2
/** Set the file's write date and time */
#define T_WRITE 4
#endif // FatApiConstants_h
