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/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU LGPL.
See the file COPYING.LIB.
*/
#if !defined(_FUSE_H_) && !defined(_FUSE_LOWLEVEL_H_)
#error "Never include <fuse_common.h> directly; use <fuse.h> or <fuse_lowlevel.h instead."
#endif
#ifndef _FUSE_COMMON_H_
#define _FUSE_COMMON_H_
#include "fuse_opt.h"
#include <stdint.h>
/** Major version of FUSE library interface */
#define FUSE_MAJOR_VERSION 2
/** Minor version of FUSE library interface */
#define FUSE_MINOR_VERSION 6
#define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min))
#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
/* This interface uses 64 bit off_t */
#if _FILE_OFFSET_BITS != 64
#error Please add -D_FILE_OFFSET_BITS=64 to your compile flags!
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* Information about open files
*
* Changed in version 2.5
*/
struct fuse_file_info {
/** Open flags. Available in open() and release() */
int flags;
/** Old file handle, don't use */
unsigned long fh_old;
/** In case of a write operation indicates if this was caused by a
writepage */
int writepage;
/** Can be filled in by open, to use direct I/O on this file.
Introduced in version 2.4 */
unsigned int direct_io : 1;
/** Can be filled in by open, to indicate, that cached file data
need not be invalidated. Introduced in version 2.4 */
unsigned int keep_cache : 1;
/** Padding. Do not use*/
unsigned int padding : 30;
/** File handle. May be filled in by filesystem in open().
Available in all other file operations */
uint64_t fh;
};
struct fuse_conn_info {
unsigned proto_major;
unsigned proto_minor;
unsigned async_read;
unsigned max_write;
unsigned max_readahead;
unsigned reserved[27];
};
/**
* Create a FUSE mountpoint
*
* Returns a control file descriptor suitable for passing to
* fuse_new()
*
* @param mountpoint the mount point path
* @param args argument vector
* @return the control file descriptor on success, -1 on failure
*/
int fuse_mount(const char *mountpoint, struct fuse_args *args);
/**
* Umount a FUSE mountpoint
*
* @param mountpoint the mount point path
* @param the control file descriptor
*/
void fuse_unmount(const char *mountpoint, int fd);
/**
* Parse common options
*
* The following options are parsed:
*
* '-f' foreground
* '-d' '-odebug' foreground, but keep the debug option
* '-s' single threaded
* '-h' '--help' help
* '-ho' help without header
* '-ofsname=..' file system name, if not present, then set to the program
* name
*
* All parameters may be NULL
*
* @param args argument vector
* @param mountpoint the returned mountpoint, should be freed after use
* @param multithreaded set to 1 unless the '-s' option is present
* @param foreground set to 1 if one of the relevant options is present
* @return 0 on success, -1 on failure
*/
int fuse_parse_cmdline(struct fuse_args *args, char **mountpoint,
int *multithreaded, int *foreground);
#if FUSE_USE_VERSION < 26
# ifdef __FreeBSD__
# if FUSE_USE_VERSION < 25
# error On FreeBSD API version 25 or greater must be used
# endif
# endif
# include "fuse_common_compat.h"
# undef FUSE_MINOR_VERSION
# undef fuse_main
# define fuse_unmount fuse_unmount_compat22
# if FUSE_USE_VERSION == 25
# define FUSE_MINOR_VERSION 5
# elif FUSE_USE_VERSION == 24 || FUSE_USE_VERSION == 22
# define FUSE_MINOR_VERSION 4
# define fuse_mount fuse_mount_compat22
# elif FUSE_USE_VERSION == 21
# define FUSE_MINOR_VERSION 1
# define fuse_mount fuse_mount_compat22
# elif FUSE_USE_VERSION == 11
# warning Compatibility with API version 11 is deprecated
# undef FUSE_MAJOR_VERSION
# define FUSE_MAJOR_VERSION 1
# define FUSE_MINOR_VERSION 1
# define fuse_mount fuse_mount_compat1
# else
# error Compatibility with API version other than 21, 22, 24, 25 and 11 not supported
# endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _FUSE_COMMON_H_ */
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