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#![allow(non_camel_case_types, non_upper_case_globals)]
use linux_syscalls::Sysno;
use crate::{Dev, Dev64, Timestamp};
pub const SYS_FSTATAT: Sysno = Sysno::fstatat64;
/// `fstatat()` file informations representation.
#[repr(C)]
#[derive(Copy, Clone)]
pub struct stat {
st_dev: Dev64,
__st_dev_padding: u32,
__st_ino_truncated: i32,
st_mode: u32,
st_nlink: u32,
st_uid: u32,
st_gid: u32,
st_rdev: Dev64,
__st_rdev_padding: i32,
st_size: i64,
st_blksize: i32,
st_blocks: i64,
st_atime: i32,
st_atime_nsec: u32,
st_mtime: i32,
st_mtime_nsec: u32,
st_ctime: i32,
st_ctime_nsec: u32,
st_ino: u64,
}
impl stat {
/// Returns the device on which this file (inode) resides.
#[inline]
pub const fn dev(&self) -> Dev {
Dev::B64(self.st_dev)
}
/// Returns the inode number of the file.
#[inline]
pub const fn inode(&self) -> u64 {
self.st_ino
}
/// Returns the number of hard links on a file.
#[inline]
pub const fn nlink(&self) -> u32 {
self.st_nlink
}
#[inline]
pub(crate) const fn raw_mode(&self) -> u16 {
self.st_mode as u16
}
/// Returns the user ID of the owner of the file.
#[inline]
pub const fn uid(&self) -> u32 {
self.st_uid
}
/// Returns the ID of the group owner of the file.
#[inline]
pub const fn gid(&self) -> u32 {
self.st_gid
}
/// Returns the device that this file (inode) represents if the file is of
/// block or character device type
#[inline]
pub const fn rdev(&self) -> Dev {
Dev::B64(self.st_rdev)
}
/// Returns the size of the file (if it is a regular file or a symbolic
/// link) in bytes. The size of a symbolic link is the length of
/// the pathname it contains, without a terminating null byte.
#[inline]
pub const fn size(&self) -> i64 {
self.st_size
}
/// Returns the "preferred" block size for efficient filesystem I/O.
/// (Writing to a file in smaller chunks may cause an inefficient
/// read-modify-rewrite.)
#[inline]
pub const fn block_size(&self) -> i32 {
self.st_blksize
}
/// Returns the number of blocks allocated to the file on the medium, in
/// 512-byte units. (This may be smaller than stx_size/512 when the
/// file has holes.)
#[inline]
pub const fn blocks(&self) -> i64 {
self.st_blocks
}
/// Returns the file's last access timestamp.
#[inline]
pub const fn atime(&self) -> Timestamp {
Timestamp {
secs: self.st_atime as i64,
nsecs: self.st_atime_nsec,
}
}
/// Returns the file's last modification timestamp.
#[inline]
pub const fn mtime(&self) -> Timestamp {
Timestamp {
secs: self.st_mtime as i64,
nsecs: self.st_mtime_nsec,
}
}
/// Returns the file's last status change timestamp.
#[inline]
pub const fn ctime(&self) -> Timestamp {
Timestamp {
secs: self.st_ctime as i64,
nsecs: self.st_ctime_nsec,
}
}
#[doc(hidden)]
pub fn uninit() -> core::mem::MaybeUninit<Self> {
let mut res = core::mem::MaybeUninit::uninit();
let buf: &mut Self = unsafe { &mut *res.as_mut_ptr() };
buf.__st_dev_padding = 0;
buf.__st_ino_truncated = 0;
buf.__st_rdev_padding = 0;
res
}
}