Ok(())
}
- fn write_item<T: Endian + Clone>(&mut self, item: &T) -> Result<(), Error> {
+ fn write_item<T: Endian>(&mut self, item: T) -> Result<(), Error> {
- let mut data: T = unsafe { std::mem::uninitialized() };
-
- data = (*item).clone().to_le();
+ let data = item.to_le();
let buffer = unsafe { std::slice::from_raw_parts(
&data as *const T as *const u8,
fn write_header(&mut self, htype: u64, size: u64) -> Result<(), Error> {
let size = size + (std::mem::size_of::<CaFormatHeader>() as u64);
- self.write_item(&CaFormatHeader { size, htype })?;
+ self.write_item(CaFormatHeader { size, htype })?;
Ok(())
}
Ok(())
}
- fn write_entry(&mut self, entry: &CaFormatEntry) -> Result<(), Error> {
+ fn write_entry(&mut self, entry: CaFormatEntry) -> Result<(), Error> {
self.write_header(CA_FORMAT_ENTRY, std::mem::size_of::<CaFormatEntry>() as u64)?;
self.write_item(entry)?;
self.read_chattr(rawfd, &mut dir_entry)?;
- self.write_entry(&dir_entry)?;
+ self.write_entry(dir_entry)?;
let mut dir_count = 0;
self.read_chattr(filefd, &mut entry)?;
- self.write_entry(&entry)?;
+ self.write_entry(entry)?;
let size = stat.st_size as u64;
//println!("encode_symlink: {:?} -> {:?}", self.current_path, target);
let entry = self.create_entry(&stat)?;
- self.write_entry(&entry)?;
+ self.write_entry(entry)?;
self.write_header(CA_FORMAT_SYMLINK, target.len() as u64)?;
self.write(target)?;
}
use nix::{convert_ioctl_res, request_code_read, ioc};
+
// /usr/include/linux/fs.h: #define FS_IOC_GETFLAGS _IOR('f', 1, long)
/// read Linux file system attributes (see man chattr)
nix::ioctl_read!(read_attr_fd, b'f', 1, usize);
// Feature flags
-// DOS file flags
+/// DOS file flag `HIDDEN`
pub const CA_FORMAT_WITH_FLAG_HIDDEN: u64 = 0x2000;
+/// DOS file flag `SYSTEM`
pub const CA_FORMAT_WITH_FLAG_SYSTEM: u64 = 0x4000;
+/// DOS file flag `ARCHIVE`
pub const CA_FORMAT_WITH_FLAG_ARCHIVE: u64 = 0x8000;
-// chattr() flags
+// chattr() flags#
+/// Linux file attribute `APPEND`
pub const CA_FORMAT_WITH_FLAG_APPEND: u64 = 0x10000;
+/// Linux file attribute `NOATIME`
pub const CA_FORMAT_WITH_FLAG_NOATIME: u64 = 0x20000;
+/// Linux file attribute `COMPR`
pub const CA_FORMAT_WITH_FLAG_COMPR: u64 = 0x40000;
+/// Linux file attribute `NOCOW`
pub const CA_FORMAT_WITH_FLAG_NOCOW: u64 = 0x80000;
+/// Linux file attribute `NODUMP`
pub const CA_FORMAT_WITH_FLAG_NODUMP: u64 = 0x100000;
+/// Linux file attribute `DIRSYNC`
pub const CA_FORMAT_WITH_FLAG_DIRSYNC: u64 = 0x200000;
+/// Linux file attribute `IMMUTABLE`
pub const CA_FORMAT_WITH_FLAG_IMMUTABLE: u64 = 0x400000;
+/// Linux file attribute `SYNC`
pub const CA_FORMAT_WITH_FLAG_SYNC: u64 = 0x800000;
+/// Linux file attribute `NOCOMP`
pub const CA_FORMAT_WITH_FLAG_NOCOMP: u64 = 0x1000000;
+/// Linux file attribute `PROJINHERIT`
pub const CA_FORMAT_WITH_FLAG_PROJINHERIT: u64 = 0x2000000;
pub const CA_FORMAT_FEATURE_FLAGS_MAX: u64 = 0xb000_0001_ffef_fe26; // fixme: ?
-#[derive(Endian,Clone)]
+#[derive(Endian)]
#[repr(C)]
pub struct CaFormatHeader {
/// The size of the item, including the size of `CaFormatHeader`.
pub htype: u64,
}
-#[derive(Endian,Clone)]
+#[derive(Endian)]
#[repr(C)]
pub struct CaFormatEntry {
pub feature_flags: u64,
if (attr & fs_flag) != 0 { flags = flags | ca_flag; }
}
-
flags
}