mirror of
https://github.com/openharmony/third_party_libfuse.git
synced 2026-07-18 18:44:26 -04:00
Miklos Szeredi
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
/*
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FUSE: Filesystem in Userspace
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Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
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This program can be distributed under the terms of the GNU LGPL.
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See the file COPYING.LIB.
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*/
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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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#include <stdint.h>
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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 6
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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 */
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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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#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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/** Padding. Do not use*/
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unsigned int padding : 30;
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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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};
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struct fuse_conn_info {
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unsigned proto_major;
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unsigned proto_minor;
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unsigned async_read;
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unsigned max_write;
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unsigned max_readahead;
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unsigned reserved[27];
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};
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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 control file descriptor on success, -1 on failure
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*/
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int 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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*/
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void fuse_unmount(const char *mountpoint);
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* _FUSE_COMMON_H_ */
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