CEF changes
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Scott E. Graves
249
3rd_party/Dokan Library-1.0.2/include/fuse/fuse_common.h
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249
3rd_party/Dokan Library-1.0.2/include/fuse/fuse_common.h
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/*
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FUSE: Filesystem in Userspace
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Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
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This program can be distributed under the terms of the GNU LGPLv2.
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See the file COPYING.LIB.
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*/
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/** @file */
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#if !defined(FUSE_H_) && !defined(FUSE_LOWLEVEL_H_)
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#error "Never include <fuse_common.h> directly; use <fuse.h> or <fuse_lowlevel.h> instead."
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#endif
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#ifndef FUSE_COMMON_H_
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#define FUSE_COMMON_H_
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#include "fuse_opt.h"
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#ifndef _MSC_VER
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#include <stdint.h>
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#endif
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/** Major version of FUSE library interface */
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#define FUSE_MAJOR_VERSION 2
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/** Minor version of FUSE library interface */
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#define FUSE_MINOR_VERSION 7
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#define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min))
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#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
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/* This interface uses 64 bit off_t, except on Windows where it's
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possible to use 32-bit filelengths for compatibility with MSVC CRT */
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#ifndef _MSC_VER
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/* This interface uses 64 bit off_t */
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#if _FILE_OFFSET_BITS != 64
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#error Please add -D_FILE_OFFSET_BITS=64 to your compile flags!
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Information about open files
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*
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* Changed in version 2.5
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*/
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struct fuse_file_info {
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/** Open flags. Available in open() and release() */
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int flags;
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/** Old file handle, don't use */
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unsigned long fh_old;
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/** In case of a write operation indicates if this was caused by a
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writepage */
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int writepage;
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/** Can be filled in by open, to use direct I/O on this file.
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Introduced in version 2.4 */
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unsigned int direct_io : 1;
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/** Can be filled in by open, to indicate, that cached file data
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need not be invalidated. Introduced in version 2.4 */
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unsigned int keep_cache : 1;
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/** Indicates a flush operation. Set in flush operation, also
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maybe set in highlevel lock operation and lowlevel release
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operation. Introduced in version 2.6 */
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unsigned int flush : 1;
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/** Padding. Do not use*/
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unsigned int padding : 29;
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/** File handle. May be filled in by filesystem in open().
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Available in all other file operations */
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uint64_t fh;
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/** Lock owner id. Available in locking operations and flush */
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uint64_t lock_owner;
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};
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/**
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* Connection information, passed to the ->init() method
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*
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* Some of the elements are read-write, these can be changed to
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* indicate the value requested by the filesystem. The requested
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* value must usually be smaller than the indicated value.
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*/
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struct fuse_conn_info {
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/**
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* Major version of the protocol (read-only)
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*/
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unsigned proto_major;
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/**
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* Minor version of the protocol (read-only)
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*/
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unsigned proto_minor;
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/**
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* Is asynchronous read supported (read-write)
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*/
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unsigned async_read;
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/**
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* Maximum size of the write buffer
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*/
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unsigned max_write;
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/**
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* Maximum readahead
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*/
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unsigned max_readahead;
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/**
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* For future use.
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*/
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unsigned reserved[27];
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};
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struct fuse_session;
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struct fuse_chan;
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/**
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* Create a FUSE mountpoint
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*
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* Returns a control file descriptor suitable for passing to
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* fuse_new()
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*
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* @param mountpoint the mount point path
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* @param args argument vector
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* @return the communication channel on success, NULL on failure
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*/
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struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args);
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/**
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* Umount a FUSE mountpoint
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*
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* @param mountpoint the mount point path
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* @param ch the communication channel
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*/
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void fuse_unmount(const char *mountpoint, struct fuse_chan *ch);
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/**
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* Parse common options
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*
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* The following options are parsed:
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*
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* '-f' foreground
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* '-d' '-odebug' foreground, but keep the debug option
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* '-s' single threaded
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* '-h' '--help' help
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* '-ho' help without header
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* '-ofsname=..' file system name, if not present, then set to the program
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* name
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*
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* All parameters may be NULL
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*
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* @param args argument vector
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* @param mountpoint the returned mountpoint, should be freed after use
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* @param multithreaded set to 1 unless the '-s' option is present
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* @param foreground set to 1 if one of the relevant options is present
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* @return 0 on success, -1 on failure
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*/
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int fuse_parse_cmdline(struct fuse_args *args, char **mountpoint,
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int *multithreaded, int *foreground);
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/**
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* Go into the background
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*
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* @param foreground if true, stay in the foreground
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* @return 0 on success, -1 on failure
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*/
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int fuse_daemonize(int foreground);
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/**
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* Get the version of the library
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*
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* @return the version
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*/
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int fuse_version(void);
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/* ----------------------------------------------------------- *
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* Signal handling *
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* ----------------------------------------------------------- */
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/**
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* Exit session on HUP, TERM and INT signals and ignore PIPE signal
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*
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* Stores session in a global variable. May only be called once per
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* process until fuse_remove_signal_handlers() is called.
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*
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* @param se the session to exit
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* @return 0 on success, -1 on failure
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*/
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int fuse_set_signal_handlers(struct fuse_session *se);
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/**
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* Restore default signal handlers
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*
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* Resets global session. After this fuse_set_signal_handlers() may
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* be called again.
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*
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* @param se the same session as given in fuse_set_signal_handlers()
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*/
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void fuse_remove_signal_handlers(struct fuse_session *se);
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/* ----------------------------------------------------------- *
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* Compatibility stuff *
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* ----------------------------------------------------------- */
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#if FUSE_USE_VERSION < 26
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# ifdef __FreeBSD__
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# if FUSE_USE_VERSION < 25
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# error On FreeBSD API version 25 or greater must be used
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# endif
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# endif
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# include "fuse_common_compat.h"
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# undef FUSE_MINOR_VERSION
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# undef fuse_main
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# define fuse_unmount fuse_unmount_compat22
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# if FUSE_USE_VERSION == 25
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# define FUSE_MINOR_VERSION 5
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# define fuse_mount fuse_mount_compat25
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# elif FUSE_USE_VERSION == 24 || FUSE_USE_VERSION == 22
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# define FUSE_MINOR_VERSION 4
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# define fuse_mount fuse_mount_compat22
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# elif FUSE_USE_VERSION == 21
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# define FUSE_MINOR_VERSION 1
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# define fuse_mount fuse_mount_compat22
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# elif FUSE_USE_VERSION == 11
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# warning Compatibility with API version 11 is deprecated
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# undef FUSE_MAJOR_VERSION
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# define FUSE_MAJOR_VERSION 1
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# define FUSE_MINOR_VERSION 1
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# define fuse_mount fuse_mount_compat1
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# else
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# error Compatibility with API version other than 21, 22, 24, 25 and 11 not supported
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# endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* FUSE_COMMON_H_ */
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