/*
 * Copyright 2002-2007, Haiku Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _FSSH_FCNTL_H
#define _FSSH_FCNTL_H


#include "fssh_types.h"


/* commands that can be passed to fcntl() */
#define FSSH_F_DUPFD            0x0001          /* duplicate fd */
#define FSSH_F_GETFD            0x0002          /* get fd flags */
#define FSSH_F_SETFD            0x0004          /* set fd flags */
#define FSSH_F_GETFL            0x0008          /* get file status flags and access mode */
#define FSSH_F_SETFL            0x0010          /* set file status flags */
#define FSSH_F_GETLK            0x0020          /* get locking information */
#define FSSH_F_SETLK            0x0080          /* set locking information */
#define FSSH_F_SETLKW           0x0100          /* as above, but waits if blocked */

/* advisory locking types */
#define FSSH_F_RDLCK            0x0040          /* read or shared lock */
#define FSSH_F_UNLCK            0x0200          /* unlock */
#define FSSH_F_WRLCK            0x0400          /* write or exclusive lock */

/* file descriptor flags for fcntl() */
#define FSSH_FD_CLOEXEC         1                       /* close on exec */

/* file access modes for open() */
#define FSSH_O_RDONLY           0x0000          /* read only */
#define FSSH_O_WRONLY           0x0001          /* write only */
#define FSSH_O_RDWR                     0x0002          /* read and write */
#define FSSH_O_ACCMODE          0x0003          /* mask to get the access modes above */
#define FSSH_O_RWMASK           FSSH_O_ACCMODE

/* flags for open() */
#define FSSH_O_EXCL                     0x0100          /* exclusive creat */
#define FSSH_O_CREAT            0x0200          /* create and open file */
#define FSSH_O_TRUNC            0x0400          /* open with truncation */
#define FSSH_O_NOCTTY           0x1000          /* currently unsupported */
#define FSSH_O_NOTRAVERSE       0x2000          /* do not traverse leaf link */

/* flags for open() and fcntl() */
#define FSSH_O_CLOEXEC          0x00000040      /* close on exec */
#define FSSH_O_NONBLOCK         0x00000080      /* non blocking io */
#define FSSH_O_APPEND           0x00000800      /* to end of file */
#define FSSH_O_TEXT                     0x00004000      /* CR-LF translation */
#define FSSH_O_BINARY           0x00008000      /* no translation */
#define FSSH_O_SYNC                     0x00010000      /* write synchronized I/O file integrity */
#define FSSH_O_RSYNC            0x00020000      /* read synchronized I/O file integrity */
#define FSSH_O_DSYNC            0x00040000      /* write synchronized I/O data integrity */
#define FSSH_O_NOFOLLOW         0x00080000      /* fail on symlinks */
#define FSSH_O_NOCACHE          0x00100000      /* do not use the file system cache if */
                                                                                /* possible */
#define FSSH_O_DIRECT           FSSH_O_NOCACHE
#define FSSH_O_DIRECTORY        0x00200000      /* fail if not a directory */

// TODO: currently not implemented additions:
        /* should we implement this? it's similar to O_NOTRAVERSE but will fail on symlinks */
#define FSSH_O_TEMPORARY        0x00400000      /* used to avoid writing temporary files to disk */

#define FSSH_S_IREAD            0x0100  /* owner may read */
#define FSSH_S_IWRITE           0x0080  /* owner may write */


#ifdef __cplusplus
extern "C" {
#endif

extern int      fssh_creat(const char *path, fssh_mode_t mode);
extern int      fssh_open(const char *pathname, int oflags, ...);
        /* the third argument is the permissions of the created file when O_CREAT
           is passed in oflags */

extern int      fssh_fcntl(int fd, int op, ...);

#ifdef __cplusplus
}
#endif

#endif /* _FSSH_FCNTL_H */