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-rw-r--r--example/fusexmp_fh.c468
1 files changed, 234 insertions, 234 deletions
diff --git a/example/fusexmp_fh.c b/example/fusexmp_fh.c
index 6565cf9..616c263 100644
--- a/example/fusexmp_fh.c
+++ b/example/fusexmp_fh.c
@@ -1,11 +1,11 @@
/*
- FUSE: Filesystem in Userspace
- Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
+ FUSE: Filesystem in Userspace
+ Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
- This program can be distributed under the terms of the GNU GPL.
- See the file COPYING.
+ This program can be distributed under the terms of the GNU GPL.
+ See the file COPYING.
- gcc -Wall `pkg-config fuse --cflags --libs` -lulockmgr fusexmp_fh.c -o fusexmp_fh
+ gcc -Wall `pkg-config fuse --cflags --libs` -lulockmgr fusexmp_fh.c -o fusexmp_fh
*/
#define FUSE_USE_VERSION 26
@@ -31,430 +31,430 @@
static int xmp_getattr(const char *path, struct stat *stbuf)
{
- int res;
+ int res;
- res = lstat(path, stbuf);
- if (res == -1)
- return -errno;
+ res = lstat(path, stbuf);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_fgetattr(const char *path, struct stat *stbuf,
- struct fuse_file_info *fi)
+ struct fuse_file_info *fi)
{
- int res;
+ int res;
- (void) path;
+ (void) path;
- res = fstat(fi->fh, stbuf);
- if (res == -1)
- return -errno;
+ res = fstat(fi->fh, stbuf);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_access(const char *path, int mask)
{
- int res;
+ int res;
- res = access(path, mask);
- if (res == -1)
- return -errno;
+ res = access(path, mask);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_readlink(const char *path, char *buf, size_t size)
{
- int res;
+ int res;
- res = readlink(path, buf, size - 1);
- if (res == -1)
- return -errno;
+ res = readlink(path, buf, size - 1);
+ if (res == -1)
+ return -errno;
- buf[res] = '\0';
- return 0;
+ buf[res] = '\0';
+ return 0;
}
static int xmp_opendir(const char *path, struct fuse_file_info *fi)
{
- DIR *dp = opendir(path);
- if (dp == NULL)
- return -errno;
+ DIR *dp = opendir(path);
+ if (dp == NULL)
+ return -errno;
- fi->fh = (unsigned long) dp;
- return 0;
+ fi->fh = (unsigned long) dp;
+ return 0;
}
static inline DIR *get_dirp(struct fuse_file_info *fi)
{
- return (DIR *) (uintptr_t) fi->fh;
+ return (DIR *) (uintptr_t) fi->fh;
}
static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
- off_t offset, struct fuse_file_info *fi)
+ off_t offset, struct fuse_file_info *fi)
{
- DIR *dp = get_dirp(fi);
- struct dirent *de;
+ DIR *dp = get_dirp(fi);
+ struct dirent *de;
- (void) path;
- seekdir(dp, offset);
- while ((de = readdir(dp)) != NULL) {
- struct stat st;
- memset(&st, 0, sizeof(st));
- st.st_ino = de->d_ino;
- st.st_mode = de->d_type << 12;
- if (filler(buf, de->d_name, &st, telldir(dp)))
- break;
- }
+ (void) path;
+ seekdir(dp, offset);
+ while ((de = readdir(dp)) != NULL) {
+ struct stat st;
+ memset(&st, 0, sizeof(st));
+ st.st_ino = de->d_ino;
+ st.st_mode = de->d_type << 12;
+ if (filler(buf, de->d_name, &st, telldir(dp)))
+ break;
+ }
- return 0;
+ return 0;
}
static int xmp_releasedir(const char *path, struct fuse_file_info *fi)
{
- DIR *dp = get_dirp(fi);
- (void) path;
- closedir(dp);
- return 0;
+ DIR *dp = get_dirp(fi);
+ (void) path;
+ closedir(dp);
+ return 0;
}
static int xmp_mknod(const char *path, mode_t mode, dev_t rdev)
{
- int res;
+ int res;
- if (S_ISFIFO(mode))
- res = mkfifo(path, mode);
- else
- res = mknod(path, mode, rdev);
- if (res == -1)
- return -errno;
+ if (S_ISFIFO(mode))
+ res = mkfifo(path, mode);
+ else
+ res = mknod(path, mode, rdev);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_mkdir(const char *path, mode_t mode)
{
- int res;
+ int res;
- res = mkdir(path, mode);
- if (res == -1)
- return -errno;
+ res = mkdir(path, mode);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_unlink(const char *path)
{
- int res;
+ int res;
- res = unlink(path);
- if (res == -1)
- return -errno;
+ res = unlink(path);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_rmdir(const char *path)
{
- int res;
+ int res;
- res = rmdir(path);
- if (res == -1)
- return -errno;
+ res = rmdir(path);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_symlink(const char *from, const char *to)
{
- int res;
+ int res;
- res = symlink(from, to);
- if (res == -1)
- return -errno;
+ res = symlink(from, to);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_rename(const char *from, const char *to)
{
- int res;
+ int res;
- res = rename(from, to);
- if (res == -1)
- return -errno;
+ res = rename(from, to);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_link(const char *from, const char *to)
{
- int res;
+ int res;
- res = link(from, to);
- if (res == -1)
- return -errno;
+ res = link(from, to);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_chmod(const char *path, mode_t mode)
{
- int res;
+ int res;
- res = chmod(path, mode);
- if (res == -1)
- return -errno;
+ res = chmod(path, mode);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_chown(const char *path, uid_t uid, gid_t gid)
{
- int res;
+ int res;
- res = lchown(path, uid, gid);
- if (res == -1)
- return -errno;
+ res = lchown(path, uid, gid);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_truncate(const char *path, off_t size)
{
- int res;
+ int res;
- res = truncate(path, size);
- if (res == -1)
- return -errno;
+ res = truncate(path, size);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_ftruncate(const char *path, off_t size,
- struct fuse_file_info *fi)
+ struct fuse_file_info *fi)
{
- int res;
+ int res;
- (void) path;
+ (void) path;
- res = ftruncate(fi->fh, size);
- if (res == -1)
- return -errno;
+ res = ftruncate(fi->fh, size);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_utimens(const char *path, const struct timespec ts[2])
{
- int res;
- struct timeval tv[2];
+ int res;
+ struct timeval tv[2];
- tv[0].tv_sec = ts[0].tv_sec;
- tv[0].tv_usec = ts[0].tv_nsec / 1000;
- tv[1].tv_sec = ts[1].tv_sec;
- tv[1].tv_usec = ts[1].tv_nsec / 1000;
+ tv[0].tv_sec = ts[0].tv_sec;
+ tv[0].tv_usec = ts[0].tv_nsec / 1000;
+ tv[1].tv_sec = ts[1].tv_sec;
+ tv[1].tv_usec = ts[1].tv_nsec / 1000;
- res = utimes(path, tv);
- if (res == -1)
- return -errno;
+ res = utimes(path, tv);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_create(const char *path, mode_t mode, struct fuse_file_info *fi)
{
- int fd;
+ int fd;
- fd = open(path, fi->flags, mode);
- if (fd == -1)
- return -errno;
+ fd = open(path, fi->flags, mode);
+ if (fd == -1)
+ return -errno;
- fi->fh = fd;
- return 0;
+ fi->fh = fd;
+ return 0;
}
static int xmp_open(const char *path, struct fuse_file_info *fi)
{
- int fd;
+ int fd;
- fd = open(path, fi->flags);
- if (fd == -1)
- return -errno;
+ fd = open(path, fi->flags);
+ if (fd == -1)
+ return -errno;
- fi->fh = fd;
- return 0;
+ fi->fh = fd;
+ return 0;
}
static int xmp_read(const char *path, char *buf, size_t size, off_t offset,
- struct fuse_file_info *fi)
+ struct fuse_file_info *fi)
{
- int res;
+ int res;
- (void) path;
- res = pread(fi->fh, buf, size, offset);
- if (res == -1)
- res = -errno;
+ (void) path;
+ res = pread(fi->fh, buf, size, offset);
+ if (res == -1)
+ res = -errno;
- return res;
+ return res;
}
static int xmp_write(const char *path, const char *buf, size_t size,
- off_t offset, struct fuse_file_info *fi)
+ off_t offset, struct fuse_file_info *fi)
{
- int res;
+ int res;
- (void) path;
- res = pwrite(fi->fh, buf, size, offset);
- if (res == -1)
- res = -errno;
+ (void) path;
+ res = pwrite(fi->fh, buf, size, offset);
+ if (res == -1)
+ res = -errno;
- return res;
+ return res;
}
static int xmp_statfs(const char *path, struct statvfs *stbuf)
{
- int res;
+ int res;
- res = statvfs(path, stbuf);
- if (res == -1)
- return -errno;
+ res = statvfs(path, stbuf);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_flush(const char *path, struct fuse_file_info *fi)
{
- int res;
+ int res;
- (void) path;
- /* This is called from every close on an open file, so call the
- close on the underlying filesystem. But since flush may be
- called multiple times for an open file, this must not really
- close the file. This is important if used on a network
- filesystem like NFS which flush the data/metadata on close() */
- res = close(dup(fi->fh));
- if (res == -1)
- return -errno;
+ (void) path;
+ /* This is called from every close on an open file, so call the
+ close on the underlying filesystem. But since flush may be
+ called multiple times for an open file, this must not really
+ close the file. This is important if used on a network
+ filesystem like NFS which flush the data/metadata on close() */
+ res = close(dup(fi->fh));
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
static int xmp_release(const char *path, struct fuse_file_info *fi)
{
- (void) path;
- close(fi->fh);
+ (void) path;
+ close(fi->fh);
- return 0;
+ return 0;
}
static int xmp_fsync(const char *path, int isdatasync,
- struct fuse_file_info *fi)
+ struct fuse_file_info *fi)
{
- int res;
- (void) path;
+ int res;
+ (void) path;
#ifndef HAVE_FDATASYNC
- (void) isdatasync;
+ (void) isdatasync;
#else
- if (isdatasync)
- res = fdatasync(fi->fh);
- else
+ if (isdatasync)
+ res = fdatasync(fi->fh);
+ else
#endif
- res = fsync(fi->fh);
- if (res == -1)
- return -errno;
+ res = fsync(fi->fh);
+ if (res == -1)
+ return -errno;
- return 0;
+ return 0;
}
#ifdef HAVE_SETXATTR
/* xattr operations are optional and can safely be left unimplemented */
static int xmp_setxattr(const char *path, const char *name, const char *value,
- size_t size, int flags)
+ size_t size, int flags)
{
- int res = lsetxattr(path, name, value, size, flags);
- if (res == -1)
- return -errno;
- return 0;
+ int res = lsetxattr(path, name, value, size, flags);
+ if (res == -1)
+ return -errno;
+ return 0;
}
static int xmp_getxattr(const char *path, const char *name, char *value,
- size_t size)
+ size_t size)
{
- int res = lgetxattr(path, name, value, size);
- if (res == -1)
- return -errno;
- return res;
+ int res = lgetxattr(path, name, value, size);
+ if (res == -1)
+ return -errno;
+ return res;
}
static int xmp_listxattr(const char *path, char *list, size_t size)
{
- int res = llistxattr(path, list, size);
- if (res == -1)
- return -errno;
- return res;
+ int res = llistxattr(path, list, size);
+ if (res == -1)
+ return -errno;
+ return res;
}
static int xmp_removexattr(const char *path, const char *name)
{
- int res = lremovexattr(path, name);
- if (res == -1)
- return -errno;
- return 0;
+ int res = lremovexattr(path, name);
+ if (res == -1)
+ return -errno;
+ return 0;
}
#endif /* HAVE_SETXATTR */
static int xmp_lock(const char *path, struct fuse_file_info *fi, int cmd,
- struct flock *lock)
+ struct flock *lock)
{
- (void) path;
+ (void) path;
- return ulockmgr_op(fi->fh, cmd, lock, &fi->lock_owner,
- sizeof(fi->lock_owner));
+ return ulockmgr_op(fi->fh, cmd, lock, &fi->lock_owner,
+ sizeof(fi->lock_owner));
}
static struct fuse_operations xmp_oper = {
- .getattr = xmp_getattr,
- .fgetattr = xmp_fgetattr,
- .access = xmp_access,
- .readlink = xmp_readlink,
- .opendir = xmp_opendir,
- .readdir = xmp_readdir,
- .releasedir = xmp_releasedir,
- .mknod = xmp_mknod,
- .mkdir = xmp_mkdir,
- .symlink = xmp_symlink,
- .unlink = xmp_unlink,
- .rmdir = xmp_rmdir,
- .rename = xmp_rename,
- .link = xmp_link,
- .chmod = xmp_chmod,
- .chown = xmp_chown,
- .truncate = xmp_truncate,
- .ftruncate = xmp_ftruncate,
- .utimens = xmp_utimens,
- .create = xmp_create,
- .open = xmp_open,
- .read = xmp_read,
- .write = xmp_write,
- .statfs = xmp_statfs,
- .flush = xmp_flush,
- .release = xmp_release,
- .fsync = xmp_fsync,
+ .getattr = xmp_getattr,
+ .fgetattr = xmp_fgetattr,
+ .access = xmp_access,
+ .readlink = xmp_readlink,
+ .opendir = xmp_opendir,
+ .readdir = xmp_readdir,
+ .releasedir = xmp_releasedir,
+ .mknod = xmp_mknod,
+ .mkdir = xmp_mkdir,
+ .symlink = xmp_symlink,
+ .unlink = xmp_unlink,
+ .rmdir = xmp_rmdir,
+ .rename = xmp_rename,
+ .link = xmp_link,
+ .chmod = xmp_chmod,
+ .chown = xmp_chown,
+ .truncate = xmp_truncate,
+ .ftruncate = xmp_ftruncate,
+ .utimens = xmp_utimens,
+ .create = xmp_create,
+ .open = xmp_open,
+ .read = xmp_read,
+ .write = xmp_write,
+ .statfs = xmp_statfs,
+ .flush = xmp_flush,
+ .release = xmp_release,
+ .fsync = xmp_fsync,
#ifdef HAVE_SETXATTR
- .setxattr = xmp_setxattr,
- .getxattr = xmp_getxattr,
- .listxattr = xmp_listxattr,
- .removexattr= xmp_removexattr,
+ .setxattr = xmp_setxattr,
+ .getxattr = xmp_getxattr,
+ .listxattr = xmp_listxattr,
+ .removexattr = xmp_removexattr,
#endif
- .lock = xmp_lock,
+ .lock = xmp_lock,
};
int main(int argc, char *argv[])
{
- umask(0);
- return fuse_main(argc, argv, &xmp_oper, NULL);
+ umask(0);
+ return fuse_main(argc, argv, &xmp_oper, NULL);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 21:26:43 +0000