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#![allow(clippy::unnecessary_cast)] // libc::S_IFDIR is u32 on Linux and u16 on MacOS
use super::inodes::{DirectoryInodeData, InodeData};
use fuse_backend_rs::abi::fuse_abi::Attr;
/// The [Attr] describing the root
pub const ROOT_FILE_ATTR: Attr = Attr {
ino: fuse_backend_rs::api::filesystem::ROOT_ID,
size: 0,
blksize: 1024,
blocks: 0,
mode: libc::S_IFDIR as u32 | 0o555,
atime: 0,
mtime: 0,
ctime: 0,
atimensec: 0,
mtimensec: 0,
ctimensec: 0,
nlink: 0,
uid: 0,
gid: 0,
rdev: 0,
flags: 0,
#[cfg(target_os = "macos")]
crtime: 0,
#[cfg(target_os = "macos")]
crtimensec: 0,
#[cfg(target_os = "macos")]
padding: 0,
};
/// for given &Node and inode, construct an [Attr]
pub fn gen_file_attr(inode_data: &InodeData, inode: u64) -> Attr {
Attr {
ino: inode,
// FUTUREWORK: play with this numbers, as it affects read sizes for client applications.
blocks: 1024,
size: match inode_data {
InodeData::Regular(_, size, _) => *size as u64,
InodeData::Symlink(target) => target.len() as u64,
InodeData::Directory(DirectoryInodeData::Sparse(_, size)) => *size as u64,
InodeData::Directory(DirectoryInodeData::Populated(_, ref children)) => {
children.len() as u64
}
},
mode: match inode_data {
InodeData::Regular(_, _, false) => libc::S_IFREG as u32 | 0o444, // no-executable files
InodeData::Regular(_, _, true) => libc::S_IFREG as u32 | 0o555, // executable files
InodeData::Symlink(_) => libc::S_IFLNK as u32 | 0o444,
InodeData::Directory(_) => libc::S_IFDIR as u32 | 0o555,
},
..Default::default()
}
}
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