dope_sys/io/file/
kind.rs

1/// Native file kind observed from descriptor metadata.
2#[derive(Clone, Copy, Debug, Eq, PartialEq)]
3#[repr(transparent)]
4pub struct Kind(libc::mode_t);
5
6impl Kind {
7    /// Uses the native entry's kind without a second metadata operation.
8    /// An absent or unrecognized hint still requires descriptor-relative metadata.
9    pub const fn from_dirent(value: u8) -> Option<Self> {
10        match value {
11            libc::DT_BLK
12            | libc::DT_CHR
13            | libc::DT_DIR
14            | libc::DT_FIFO
15            | libc::DT_LNK
16            | libc::DT_REG
17            | libc::DT_SOCK => Some(Self((value as libc::mode_t) << 12)),
18            _ => None,
19        }
20    }
21
22    pub const fn from_mode(mode: libc::mode_t) -> Self {
23        Self(mode & libc::S_IFMT)
24    }
25
26    /// Whether this kind is one regular file.
27    pub const fn is_regular(self) -> bool {
28        self.0 == libc::S_IFREG
29    }
30
31    pub const fn is_dir(self) -> bool {
32        self.0 == libc::S_IFDIR
33    }
34
35    pub const fn is_symlink(self) -> bool {
36        self.0 == libc::S_IFLNK
37    }
38}
dope_sys/io/file/kind.rs

dope_sys/io/file/
kind.rs
