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-rw-r--r--ctr-std/src/sys/redox/fs.rs483
1 files changed, 0 insertions, 483 deletions
diff --git a/ctr-std/src/sys/redox/fs.rs b/ctr-std/src/sys/redox/fs.rs
deleted file mode 100644
index 2e22161..0000000
--- a/ctr-std/src/sys/redox/fs.rs
+++ /dev/null
@@ -1,483 +0,0 @@
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use os::unix::prelude::*;
-
-use ffi::{OsString, OsStr};
-use fmt;
-use io::{self, Error, ErrorKind, SeekFrom};
-use path::{Path, PathBuf};
-use sync::Arc;
-use sys::fd::FileDesc;
-use sys::time::SystemTime;
-use sys::{cvt, syscall};
-use sys_common::{AsInner, FromInner};
-
-pub struct File(FileDesc);
-
-#[derive(Clone)]
-pub struct FileAttr {
- stat: syscall::Stat,
-}
-
-pub struct ReadDir {
- data: Vec<u8>,
- i: usize,
- root: Arc<PathBuf>,
-}
-
-struct Dir(FileDesc);
-
-unsafe impl Send for Dir {}
-unsafe impl Sync for Dir {}
-
-pub struct DirEntry {
- root: Arc<PathBuf>,
- name: Box<[u8]>
-}
-
-#[derive(Clone, Debug)]
-pub struct OpenOptions {
- // generic
- read: bool,
- write: bool,
- append: bool,
- truncate: bool,
- create: bool,
- create_new: bool,
- // system-specific
- custom_flags: i32,
- mode: u16,
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct FilePermissions { mode: u16 }
-
-#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
-pub struct FileType { mode: u16 }
-
-#[derive(Debug)]
-pub struct DirBuilder { mode: u16 }
-
-impl FileAttr {
- pub fn size(&self) -> u64 { self.stat.st_size as u64 }
- pub fn perm(&self) -> FilePermissions {
- FilePermissions { mode: (self.stat.st_mode as u16) & 0o777 }
- }
-
- pub fn file_type(&self) -> FileType {
- FileType { mode: self.stat.st_mode as u16 }
- }
-}
-
-impl FileAttr {
- pub fn modified(&self) -> io::Result<SystemTime> {
- Ok(SystemTime::from(syscall::TimeSpec {
- tv_sec: self.stat.st_mtime as i64,
- tv_nsec: self.stat.st_mtime_nsec as i32,
- }))
- }
-
- pub fn accessed(&self) -> io::Result<SystemTime> {
- Ok(SystemTime::from(syscall::TimeSpec {
- tv_sec: self.stat.st_atime as i64,
- tv_nsec: self.stat.st_atime_nsec as i32,
- }))
- }
-
- pub fn created(&self) -> io::Result<SystemTime> {
- Ok(SystemTime::from(syscall::TimeSpec {
- tv_sec: self.stat.st_ctime as i64,
- tv_nsec: self.stat.st_ctime_nsec as i32,
- }))
- }
-}
-
-impl AsInner<syscall::Stat> for FileAttr {
- fn as_inner(&self) -> &syscall::Stat { &self.stat }
-}
-
-impl FilePermissions {
- pub fn readonly(&self) -> bool { self.mode & 0o222 == 0 }
- pub fn set_readonly(&mut self, readonly: bool) {
- if readonly {
- self.mode &= !0o222;
- } else {
- self.mode |= 0o222;
- }
- }
- pub fn mode(&self) -> u32 { self.mode as u32 }
-}
-
-impl FileType {
- pub fn is_dir(&self) -> bool { self.is(syscall::MODE_DIR) }
- pub fn is_file(&self) -> bool { self.is(syscall::MODE_FILE) }
- pub fn is_symlink(&self) -> bool { self.is(syscall::MODE_SYMLINK) }
-
- pub fn is(&self, mode: u16) -> bool {
- self.mode & syscall::MODE_TYPE == mode
- }
-}
-
-impl FromInner<u32> for FilePermissions {
- fn from_inner(mode: u32) -> FilePermissions {
- FilePermissions { mode: mode as u16 }
- }
-}
-
-impl fmt::Debug for ReadDir {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- // This will only be called from std::fs::ReadDir, which will add a "ReadDir()" frame.
- // Thus the result will be e g 'ReadDir("/home")'
- fmt::Debug::fmt(&*self.root, f)
- }
-}
-
-impl Iterator for ReadDir {
- type Item = io::Result<DirEntry>;
-
- fn next(&mut self) -> Option<io::Result<DirEntry>> {
- loop {
- let start = self.i;
- let mut i = self.i;
- while i < self.data.len() {
- self.i += 1;
- if self.data[i] == b'\n' {
- break;
- }
- i += 1;
- }
- if start < self.i {
- let ret = DirEntry {
- name: self.data[start .. i].to_owned().into_boxed_slice(),
- root: self.root.clone()
- };
- if ret.name_bytes() != b"." && ret.name_bytes() != b".." {
- return Some(Ok(ret))
- }
- } else {
- return None;
- }
- }
- }
-}
-
-impl DirEntry {
- pub fn path(&self) -> PathBuf {
- self.root.join(OsStr::from_bytes(self.name_bytes()))
- }
-
- pub fn file_name(&self) -> OsString {
- OsStr::from_bytes(self.name_bytes()).to_os_string()
- }
-
- pub fn metadata(&self) -> io::Result<FileAttr> {
- lstat(&self.path())
- }
-
- pub fn file_type(&self) -> io::Result<FileType> {
- lstat(&self.path()).map(|m| m.file_type())
- }
-
- fn name_bytes(&self) -> &[u8] {
- &*self.name
- }
-}
-
-impl OpenOptions {
- pub fn new() -> OpenOptions {
- OpenOptions {
- // generic
- read: false,
- write: false,
- append: false,
- truncate: false,
- create: false,
- create_new: false,
- // system-specific
- custom_flags: 0,
- mode: 0o666,
- }
- }
-
- pub fn read(&mut self, read: bool) { self.read = read; }
- pub fn write(&mut self, write: bool) { self.write = write; }
- pub fn append(&mut self, append: bool) { self.append = append; }
- pub fn truncate(&mut self, truncate: bool) { self.truncate = truncate; }
- pub fn create(&mut self, create: bool) { self.create = create; }
- pub fn create_new(&mut self, create_new: bool) { self.create_new = create_new; }
-
- pub fn custom_flags(&mut self, flags: i32) { self.custom_flags = flags; }
- pub fn mode(&mut self, mode: u32) { self.mode = mode as u16; }
-
- fn get_access_mode(&self) -> io::Result<usize> {
- match (self.read, self.write, self.append) {
- (true, false, false) => Ok(syscall::O_RDONLY),
- (false, true, false) => Ok(syscall::O_WRONLY),
- (true, true, false) => Ok(syscall::O_RDWR),
- (false, _, true) => Ok(syscall::O_WRONLY | syscall::O_APPEND),
- (true, _, true) => Ok(syscall::O_RDWR | syscall::O_APPEND),
- (false, false, false) => Err(Error::from_raw_os_error(syscall::EINVAL)),
- }
- }
-
- fn get_creation_mode(&self) -> io::Result<usize> {
- match (self.write, self.append) {
- (true, false) => {}
- (false, false) =>
- if self.truncate || self.create || self.create_new {
- return Err(Error::from_raw_os_error(syscall::EINVAL));
- },
- (_, true) =>
- if self.truncate && !self.create_new {
- return Err(Error::from_raw_os_error(syscall::EINVAL));
- },
- }
-
- Ok(match (self.create, self.truncate, self.create_new) {
- (false, false, false) => 0,
- (true, false, false) => syscall::O_CREAT,
- (false, true, false) => syscall::O_TRUNC,
- (true, true, false) => syscall::O_CREAT | syscall::O_TRUNC,
- (_, _, true) => syscall::O_CREAT | syscall::O_EXCL,
- })
- }
-}
-
-impl File {
- pub fn open(path: &Path, opts: &OpenOptions) -> io::Result<File> {
- let flags = syscall::O_CLOEXEC |
- opts.get_access_mode()? as usize |
- opts.get_creation_mode()? as usize |
- (opts.custom_flags as usize & !syscall::O_ACCMODE);
- let fd = cvt(syscall::open(path.to_str().unwrap(), flags | opts.mode as usize))?;
- Ok(File(FileDesc::new(fd)))
- }
-
- pub fn file_attr(&self) -> io::Result<FileAttr> {
- let mut stat = syscall::Stat::default();
- cvt(syscall::fstat(self.0.raw(), &mut stat))?;
- Ok(FileAttr { stat: stat })
- }
-
- pub fn fsync(&self) -> io::Result<()> {
- cvt(syscall::fsync(self.0.raw()))?;
- Ok(())
- }
-
- pub fn datasync(&self) -> io::Result<()> {
- self.fsync()
- }
-
- pub fn truncate(&self, size: u64) -> io::Result<()> {
- cvt(syscall::ftruncate(self.0.raw(), size as usize))?;
- Ok(())
- }
-
- pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
- self.0.read(buf)
- }
-
- pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
- self.0.write(buf)
- }
-
- pub fn flush(&self) -> io::Result<()> { Ok(()) }
-
- pub fn seek(&self, pos: SeekFrom) -> io::Result<u64> {
- let (whence, pos) = match pos {
- // Casting to `i64` is fine, too large values will end up as
- // negative which will cause an error in `lseek64`.
- SeekFrom::Start(off) => (syscall::SEEK_SET, off as i64),
- SeekFrom::End(off) => (syscall::SEEK_END, off),
- SeekFrom::Current(off) => (syscall::SEEK_CUR, off),
- };
- let n = cvt(syscall::lseek(self.0.raw(), pos as isize, whence))?;
- Ok(n as u64)
- }
-
- pub fn duplicate(&self) -> io::Result<File> {
- self.0.duplicate().map(File)
- }
-
- pub fn dup(&self, buf: &[u8]) -> io::Result<File> {
- let fd = cvt(syscall::dup(*self.fd().as_inner() as usize, buf))?;
- Ok(File(FileDesc::new(fd)))
- }
-
- pub fn set_permissions(&self, perm: FilePermissions) -> io::Result<()> {
- set_perm(&self.path()?, perm)
- }
-
- pub fn path(&self) -> io::Result<PathBuf> {
- let mut buf: [u8; 4096] = [0; 4096];
- let count = cvt(syscall::fpath(*self.fd().as_inner() as usize, &mut buf))?;
- Ok(PathBuf::from(unsafe { String::from_utf8_unchecked(Vec::from(&buf[..count])) }))
- }
-
- pub fn fd(&self) -> &FileDesc { &self.0 }
-
- pub fn into_fd(self) -> FileDesc { self.0 }
-}
-
-impl DirBuilder {
- pub fn new() -> DirBuilder {
- DirBuilder { mode: 0o777 }
- }
-
- pub fn mkdir(&self, p: &Path) -> io::Result<()> {
- let flags = syscall::O_CREAT | syscall::O_CLOEXEC | syscall::O_DIRECTORY | syscall::O_EXCL;
- let fd = cvt(syscall::open(p.to_str().unwrap(), flags | (self.mode as usize & 0o777)))?;
- let _ = syscall::close(fd);
- Ok(())
- }
-
- pub fn set_mode(&mut self, mode: u32) {
- self.mode = mode as u16;
- }
-}
-
-impl FromInner<usize> for File {
- fn from_inner(fd: usize) -> File {
- File(FileDesc::new(fd))
- }
-}
-
-impl fmt::Debug for File {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- let mut b = f.debug_struct("File");
- b.field("fd", &self.0.raw());
- if let Ok(path) = self.path() {
- b.field("path", &path);
- }
- /*
- if let Some((read, write)) = get_mode(fd) {
- b.field("read", &read).field("write", &write);
- }
- */
- b.finish()
- }
-}
-
-pub fn readdir(p: &Path) -> io::Result<ReadDir> {
- let root = Arc::new(p.to_path_buf());
-
- let flags = syscall::O_CLOEXEC | syscall::O_RDONLY | syscall::O_DIRECTORY;
- let fd = cvt(syscall::open(p.to_str().unwrap(), flags))?;
- let file = FileDesc::new(fd);
- let mut data = Vec::new();
- file.read_to_end(&mut data)?;
-
- Ok(ReadDir { data: data, i: 0, root: root })
-}
-
-pub fn unlink(p: &Path) -> io::Result<()> {
- cvt(syscall::unlink(p.to_str().unwrap()))?;
- Ok(())
-}
-
-pub fn rename(old: &Path, new: &Path) -> io::Result<()> {
- let fd = cvt(syscall::open(old.to_str().unwrap(),
- syscall::O_CLOEXEC | syscall::O_STAT | syscall::O_NOFOLLOW))?;
- let res = cvt(syscall::frename(fd, new.to_str().unwrap()));
- cvt(syscall::close(fd))?;
- res?;
- Ok(())
-}
-
-pub fn set_perm(p: &Path, perm: FilePermissions) -> io::Result<()> {
- cvt(syscall::chmod(p.to_str().unwrap(), perm.mode as usize))?;
- Ok(())
-}
-
-pub fn rmdir(p: &Path) -> io::Result<()> {
- cvt(syscall::rmdir(p.to_str().unwrap()))?;
- Ok(())
-}
-
-pub fn remove_dir_all(path: &Path) -> io::Result<()> {
- let filetype = lstat(path)?.file_type();
- if filetype.is_symlink() {
- unlink(path)
- } else {
- remove_dir_all_recursive(path)
- }
-}
-
-fn remove_dir_all_recursive(path: &Path) -> io::Result<()> {
- for child in readdir(path)? {
- let child = child?;
- if child.file_type()?.is_dir() {
- remove_dir_all_recursive(&child.path())?;
- } else {
- unlink(&child.path())?;
- }
- }
- rmdir(path)
-}
-
-pub fn readlink(p: &Path) -> io::Result<PathBuf> {
- let fd = cvt(syscall::open(p.to_str().unwrap(),
- syscall::O_CLOEXEC | syscall::O_SYMLINK | syscall::O_RDONLY))?;
- let mut buf: [u8; 4096] = [0; 4096];
- let res = cvt(syscall::read(fd, &mut buf));
- cvt(syscall::close(fd))?;
- let count = res?;
- Ok(PathBuf::from(unsafe { String::from_utf8_unchecked(Vec::from(&buf[..count])) }))
-}
-
-pub fn symlink(src: &Path, dst: &Path) -> io::Result<()> {
- let fd = cvt(syscall::open(dst.to_str().unwrap(),
- syscall::O_CLOEXEC | syscall::O_SYMLINK |
- syscall::O_CREAT | syscall::O_WRONLY | 0o777))?;
- let res = cvt(syscall::write(fd, src.to_str().unwrap().as_bytes()));
- cvt(syscall::close(fd))?;
- res?;
- Ok(())
-}
-
-pub fn link(_src: &Path, _dst: &Path) -> io::Result<()> {
- Err(Error::from_raw_os_error(syscall::ENOSYS))
-}
-
-pub fn stat(p: &Path) -> io::Result<FileAttr> {
- let fd = cvt(syscall::open(p.to_str().unwrap(), syscall::O_CLOEXEC | syscall::O_STAT))?;
- let file = File(FileDesc::new(fd));
- file.file_attr()
-}
-
-pub fn lstat(p: &Path) -> io::Result<FileAttr> {
- let fd = cvt(syscall::open(p.to_str().unwrap(),
- syscall::O_CLOEXEC | syscall::O_STAT | syscall::O_NOFOLLOW))?;
- let file = File(FileDesc::new(fd));
- file.file_attr()
-}
-
-pub fn canonicalize(p: &Path) -> io::Result<PathBuf> {
- let fd = cvt(syscall::open(p.to_str().unwrap(), syscall::O_CLOEXEC | syscall::O_STAT))?;
- let file = File(FileDesc::new(fd));
- file.path()
-}
-
-pub fn copy(from: &Path, to: &Path) -> io::Result<u64> {
- use fs::{File, set_permissions};
- if !from.is_file() {
- return Err(Error::new(ErrorKind::InvalidInput,
- "the source path is not an existing regular file"))
- }
-
- let mut reader = File::open(from)?;
- let mut writer = File::create(to)?;
- let perm = reader.metadata()?.permissions();
-
- let ret = io::copy(&mut reader, &mut writer)?;
- set_permissions(to, perm)?;
- Ok(ret)
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 03:03:53 +0000