/*
  FUSE: Filesystem in Userspace
  Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>

  This program can be distributed under the terms of the GNU LGPLv2.
  See the file COPYING.LIB.
*/

/* these definitions provide source compatibility to prior versions.
   Do not include this file directly! */

struct fuse_lowlevel_ops_compat25 {
        void (*init) (void *userdata);
        void (*destroy) (void *userdata);
        void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*forget) (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup);
        void (*getattr) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info *fi);
        void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr,
                         int to_set, struct fuse_file_info *fi);
        void (*readlink) (fuse_req_t req, fuse_ino_t ino);
        void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name,
                       mode_t mode, dev_t rdev);
        void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name,
                       mode_t mode);
        void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent,
                         const char *name);
        void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name,
                        fuse_ino_t newparent, const char *newname);
        void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent,
                      const char *newname);
        void (*open) (fuse_req_t req, fuse_ino_t ino,
                      struct fuse_file_info *fi);
        void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,
                      struct fuse_file_info *fi);
        void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf,
                       size_t size, off_t off, struct fuse_file_info *fi);
        void (*flush) (fuse_req_t req, fuse_ino_t ino,
                       struct fuse_file_info *fi);
        void (*release) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info *fi);
        void (*fsync) (fuse_req_t req, fuse_ino_t ino, int datasync,
                       struct fuse_file_info *fi);
        void (*opendir) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info *fi);
        void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,
                         struct fuse_file_info *fi);
        void (*releasedir) (fuse_req_t req, fuse_ino_t ino,
                            struct fuse_file_info *fi);
        void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, int datasync,
                          struct fuse_file_info *fi);
        void (*statfs) (fuse_req_t req);
        void (*setxattr) (fuse_req_t req, fuse_ino_t ino, const char *name,
                          const char *value, size_t size, int flags);
        void (*getxattr) (fuse_req_t req, fuse_ino_t ino, const char *name,
                          size_t size);
        void (*listxattr) (fuse_req_t req, fuse_ino_t ino, size_t size);
        void (*removexattr) (fuse_req_t req, fuse_ino_t ino, const char *name);
        void (*access) (fuse_req_t req, fuse_ino_t ino, int mask);
        void (*create) (fuse_req_t req, fuse_ino_t parent, const char *name,
                        mode_t mode, struct fuse_file_info *fi);
};

struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args,
                                const struct fuse_lowlevel_ops_compat25 *op,
                                size_t op_size, void *userdata);

size_t fuse_dirent_size(size_t namelen);

char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf,
                      off_t off);

#if !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__HAIKU__)

#include <sys/statfs.h>

struct fuse_lowlevel_ops_compat {
        void (*init) (void *userdata);
        void (*destroy) (void *userdata);
        void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*forget) (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup);
        void (*getattr) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info_compat *fi);
        void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr,
                         int to_set, struct fuse_file_info_compat *fi);
        void (*readlink) (fuse_req_t req, fuse_ino_t ino);
        void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name,
                       mode_t mode, dev_t rdev);
        void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name,
                       mode_t mode);
        void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name);
        void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent,
                         const char *name);
        void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name,
                        fuse_ino_t newparent, const char *newname);
        void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent,
                      const char *newname);
        void (*open) (fuse_req_t req, fuse_ino_t ino,
                      struct fuse_file_info_compat *fi);
        void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,
                      struct fuse_file_info_compat *fi);
        void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf,
                       size_t size, off_t off, struct fuse_file_info_compat *fi);
        void (*flush) (fuse_req_t req, fuse_ino_t ino,
                       struct fuse_file_info_compat *fi);
        void (*release) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info_compat *fi);
        void (*fsync) (fuse_req_t req, fuse_ino_t ino, int datasync,
                       struct fuse_file_info_compat *fi);
        void (*opendir) (fuse_req_t req, fuse_ino_t ino,
                         struct fuse_file_info_compat *fi);
        void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,
                         struct fuse_file_info_compat *fi);
        void (*releasedir) (fuse_req_t req, fuse_ino_t ino,
                            struct fuse_file_info_compat *fi);
        void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, int datasync,
                          struct fuse_file_info_compat *fi);
        void (*statfs) (fuse_req_t req);
        void (*setxattr) (fuse_req_t req, fuse_ino_t ino, const char *name,
                          const char *value, size_t size, int flags);
        void (*getxattr) (fuse_req_t req, fuse_ino_t ino, const char *name,
                          size_t size);
        void (*listxattr) (fuse_req_t req, fuse_ino_t ino, size_t size);
        void (*removexattr) (fuse_req_t req, fuse_ino_t ino, const char *name);
        void (*access) (fuse_req_t req, fuse_ino_t ino, int mask);
        void (*create) (fuse_req_t req, fuse_ino_t parent, const char *name,
                        mode_t mode, struct fuse_file_info_compat *fi);
};

int fuse_reply_statfs_compat(fuse_req_t req, const struct statfs *stbuf);

int fuse_reply_open_compat(fuse_req_t req,
                           const struct fuse_file_info_compat *fi);

struct fuse_session *fuse_lowlevel_new_compat(const char *opts,
                                const struct fuse_lowlevel_ops_compat *op,
                                size_t op_size, void *userdata);

#endif /* __FreeBSD__ || __NetBSD__ */

struct fuse_chan_ops_compat24 {
        int (*receive)(struct fuse_chan *ch, char *buf, size_t size);
        int (*send)(struct fuse_chan *ch, const struct iovec iov[],
                    size_t count);
        void (*destroy)(struct fuse_chan *ch);
};

struct fuse_chan *fuse_chan_new_compat24(struct fuse_chan_ops_compat24 *op,
                                         int fd, size_t bufsize, void *data);

int fuse_chan_receive(struct fuse_chan *ch, char *buf, size_t size);
struct fuse_chan *fuse_kern_chan_new(int fd);