Delete ctr-std to use my fork of the rust repo instead

1 files changed, 0 insertions, 804 deletions

diff --git a/ctr-std/src/sys/windows/fs.rs b/ctr-std/src/sys/windows/fs.rs
deleted file mode 100644
index 082d468..0000000
--- a/ctr-std/src/sys/windows/fs.rs
+++ /dev/null
@@ -1,804 +0,0 @@
-// Copyright 2014 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::windows::prelude::*;
-
-use ffi::OsString;
-use fmt;
-use io::{self, Error, SeekFrom};
-use mem;
-use path::{Path, PathBuf};
-use ptr;
-use slice;
-use sync::Arc;
-use sys::handle::Handle;
-use sys::time::SystemTime;
-use sys::{c, cvt};
-use sys_common::FromInner;
-
-use super::to_u16s;
-
-pub struct File { handle: Handle }
-
-#[derive(Clone)]
-pub struct FileAttr {
-    attributes: c::DWORD,
-    creation_time: c::FILETIME,
-    last_access_time: c::FILETIME,
-    last_write_time: c::FILETIME,
-    file_size: u64,
-    reparse_tag: c::DWORD,
-}
-
-#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
-pub struct FileType {
-    attributes: c::DWORD,
-    reparse_tag: c::DWORD,
-}
-
-pub struct ReadDir {
-    handle: FindNextFileHandle,
-    root: Arc<PathBuf>,
-    first: Option<c::WIN32_FIND_DATAW>,
-}
-
-struct FindNextFileHandle(c::HANDLE);
-
-unsafe impl Send for FindNextFileHandle {}
-unsafe impl Sync for FindNextFileHandle {}
-
-pub struct DirEntry {
-    root: Arc<PathBuf>,
-    data: c::WIN32_FIND_DATAW,
-}
-
-#[derive(Clone, Debug)]
-pub struct OpenOptions {
-    // generic
-    read: bool,
-    write: bool,
-    append: bool,
-    truncate: bool,
-    create: bool,
-    create_new: bool,
-    // system-specific
-    custom_flags: u32,
-    access_mode: Option<c::DWORD>,
-    attributes: c::DWORD,
-    share_mode: c::DWORD,
-    security_qos_flags: c::DWORD,
-    security_attributes: usize, // FIXME: should be a reference
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct FilePermissions { attrs: c::DWORD }
-
-#[derive(Debug)]
-pub struct DirBuilder;
-
-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("C:\")'
-        fmt::Debug::fmt(&*self.root, f)
-    }
-}
-
-impl Iterator for ReadDir {
-    type Item = io::Result<DirEntry>;
-    fn next(&mut self) -> Option<io::Result<DirEntry>> {
-        if let Some(first) = self.first.take() {
-            if let Some(e) = DirEntry::new(&self.root, &first) {
-                return Some(Ok(e));
-            }
-        }
-        unsafe {
-            let mut wfd = mem::zeroed();
-            loop {
-                if c::FindNextFileW(self.handle.0, &mut wfd) == 0 {
-                    if c::GetLastError() == c::ERROR_NO_MORE_FILES {
-                        return None
-                    } else {
-                        return Some(Err(Error::last_os_error()))
-                    }
-                }
-                if let Some(e) = DirEntry::new(&self.root, &wfd) {
-                    return Some(Ok(e))
-                }
-            }
-        }
-    }
-}
-
-impl Drop for FindNextFileHandle {
-    fn drop(&mut self) {
-        let r = unsafe { c::FindClose(self.0) };
-        debug_assert!(r != 0);
-    }
-}
-
-impl DirEntry {
-    fn new(root: &Arc<PathBuf>, wfd: &c::WIN32_FIND_DATAW) -> Option<DirEntry> {
-        match &wfd.cFileName[0..3] {
-            // check for '.' and '..'
-            &[46, 0, ..] |
-            &[46, 46, 0, ..] => return None,
-            _ => {}
-        }
-
-        Some(DirEntry {
-            root: root.clone(),
-            data: *wfd,
-        })
-    }
-
-    pub fn path(&self) -> PathBuf {
-        self.root.join(&self.file_name())
-    }
-
-    pub fn file_name(&self) -> OsString {
-        let filename = super::truncate_utf16_at_nul(&self.data.cFileName);
-        OsString::from_wide(filename)
-    }
-
-    pub fn file_type(&self) -> io::Result<FileType> {
-        Ok(FileType::new(self.data.dwFileAttributes,
-                         /* reparse_tag = */ self.data.dwReserved0))
-    }
-
-    pub fn metadata(&self) -> io::Result<FileAttr> {
-        Ok(FileAttr {
-            attributes: self.data.dwFileAttributes,
-            creation_time: self.data.ftCreationTime,
-            last_access_time: self.data.ftLastAccessTime,
-            last_write_time: self.data.ftLastWriteTime,
-            file_size: ((self.data.nFileSizeHigh as u64) << 32) | (self.data.nFileSizeLow as u64),
-            reparse_tag: if self.data.dwFileAttributes & c::FILE_ATTRIBUTE_REPARSE_POINT != 0 {
-                    // reserved unless this is a reparse point
-                    self.data.dwReserved0
-                } else {
-                    0
-                },
-        })
-    }
-}
-
-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,
-            access_mode: None,
-            share_mode: c::FILE_SHARE_READ | c::FILE_SHARE_WRITE | c::FILE_SHARE_DELETE,
-            attributes: 0,
-            security_qos_flags: 0,
-            security_attributes: 0,
-        }
-    }
-
-    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: u32) { self.custom_flags = flags; }
-    pub fn access_mode(&mut self, access_mode: u32) { self.access_mode = Some(access_mode); }
-    pub fn share_mode(&mut self, share_mode: u32) { self.share_mode = share_mode; }
-    pub fn attributes(&mut self, attrs: u32) { self.attributes = attrs; }
-    pub fn security_qos_flags(&mut self, flags: u32) { self.security_qos_flags = flags; }
-    pub fn security_attributes(&mut self, attrs: c::LPSECURITY_ATTRIBUTES) {
-        self.security_attributes = attrs as usize;
-    }
-
-    fn get_access_mode(&self) -> io::Result<c::DWORD> {
-        const ERROR_INVALID_PARAMETER: i32 = 87;
-
-        match (self.read, self.write, self.append, self.access_mode) {
-            (.., Some(mode)) => Ok(mode),
-            (true,  false, false, None) => Ok(c::GENERIC_READ),
-            (false, true,  false, None) => Ok(c::GENERIC_WRITE),
-            (true,  true,  false, None) => Ok(c::GENERIC_READ | c::GENERIC_WRITE),
-            (false, _,     true,  None) => Ok(c::FILE_GENERIC_WRITE & !c::FILE_WRITE_DATA),
-            (true,  _,     true,  None) => Ok(c::GENERIC_READ |
-                                              (c::FILE_GENERIC_WRITE & !c::FILE_WRITE_DATA)),
-            (false, false, false, None) => Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER)),
-        }
-    }
-
-    fn get_creation_mode(&self) -> io::Result<c::DWORD> {
-        const ERROR_INVALID_PARAMETER: i32 = 87;
-
-        match (self.write, self.append) {
-            (true, false) => {}
-            (false, false) =>
-                if self.truncate || self.create || self.create_new {
-                    return Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER));
-                },
-            (_, true) =>
-                if self.truncate && !self.create_new {
-                    return Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER));
-                },
-        }
-
-        Ok(match (self.create, self.truncate, self.create_new) {
-                (false, false, false) => c::OPEN_EXISTING,
-                (true,  false, false) => c::OPEN_ALWAYS,
-                (false, true,  false) => c::TRUNCATE_EXISTING,
-                (true,  true,  false) => c::CREATE_ALWAYS,
-                (_,      _,    true)  => c::CREATE_NEW,
-           })
-    }
-
-    fn get_flags_and_attributes(&self) -> c::DWORD {
-        self.custom_flags |
-        self.attributes |
-        self.security_qos_flags |
-        if self.security_qos_flags != 0 { c::SECURITY_SQOS_PRESENT } else { 0 } |
-        if self.create_new { c::FILE_FLAG_OPEN_REPARSE_POINT } else { 0 }
-    }
-}
-
-impl File {
-    pub fn open(path: &Path, opts: &OpenOptions) -> io::Result<File> {
-        let path = to_u16s(path)?;
-        let handle = unsafe {
-            c::CreateFileW(path.as_ptr(),
-                           opts.get_access_mode()?,
-                           opts.share_mode,
-                           opts.security_attributes as *mut _,
-                           opts.get_creation_mode()?,
-                           opts.get_flags_and_attributes(),
-                           ptr::null_mut())
-        };
-        if handle == c::INVALID_HANDLE_VALUE {
-            Err(Error::last_os_error())
-        } else {
-            Ok(File { handle: Handle::new(handle) })
-        }
-    }
-
-    pub fn fsync(&self) -> io::Result<()> {
-        cvt(unsafe { c::FlushFileBuffers(self.handle.raw()) })?;
-        Ok(())
-    }
-
-    pub fn datasync(&self) -> io::Result<()> { self.fsync() }
-
-    pub fn truncate(&self, size: u64) -> io::Result<()> {
-        let mut info = c::FILE_END_OF_FILE_INFO {
-            EndOfFile: size as c::LARGE_INTEGER,
-        };
-        let size = mem::size_of_val(&info);
-        cvt(unsafe {
-            c::SetFileInformationByHandle(self.handle.raw(),
-                                          c::FileEndOfFileInfo,
-                                          &mut info as *mut _ as *mut _,
-                                          size as c::DWORD)
-        })?;
-        Ok(())
-    }
-
-    pub fn file_attr(&self) -> io::Result<FileAttr> {
-        unsafe {
-            let mut info: c::BY_HANDLE_FILE_INFORMATION = mem::zeroed();
-            cvt(c::GetFileInformationByHandle(self.handle.raw(),
-                                              &mut info))?;
-            let mut attr = FileAttr {
-                attributes: info.dwFileAttributes,
-                creation_time: info.ftCreationTime,
-                last_access_time: info.ftLastAccessTime,
-                last_write_time: info.ftLastWriteTime,
-                file_size: ((info.nFileSizeHigh as u64) << 32) | (info.nFileSizeLow as u64),
-                reparse_tag: 0,
-            };
-            if attr.is_reparse_point() {
-                let mut b = [0; c::MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
-                if let Ok((_, buf)) = self.reparse_point(&mut b) {
-                    attr.reparse_tag = buf.ReparseTag;
-                }
-            }
-            Ok(attr)
-        }
-    }
-
-    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.handle.read(buf)
-    }
-
-    pub fn read_at(&self, buf: &mut [u8], offset: u64) -> io::Result<usize> {
-        self.handle.read_at(buf, offset)
-    }
-
-    pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        self.handle.write(buf)
-    }
-
-    pub fn write_at(&self, buf: &[u8], offset: u64) -> io::Result<usize> {
-        self.handle.write_at(buf, offset)
-    }
-
-    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, `SetFilePointerEx` reinterprets this
-            // integer as `u64`.
-            SeekFrom::Start(n) => (c::FILE_BEGIN, n as i64),
-            SeekFrom::End(n) => (c::FILE_END, n),
-            SeekFrom::Current(n) => (c::FILE_CURRENT, n),
-        };
-        let pos = pos as c::LARGE_INTEGER;
-        let mut newpos = 0;
-        cvt(unsafe {
-            c::SetFilePointerEx(self.handle.raw(), pos,
-                                &mut newpos, whence)
-        })?;
-        Ok(newpos as u64)
-    }
-
-    pub fn duplicate(&self) -> io::Result<File> {
-        Ok(File {
-            handle: self.handle.duplicate(0, true, c::DUPLICATE_SAME_ACCESS)?,
-        })
-    }
-
-    pub fn handle(&self) -> &Handle { &self.handle }
-
-    pub fn into_handle(self) -> Handle { self.handle }
-
-    fn reparse_point<'a>(&self,
-                         space: &'a mut [u8; c::MAXIMUM_REPARSE_DATA_BUFFER_SIZE])
-                         -> io::Result<(c::DWORD, &'a c::REPARSE_DATA_BUFFER)> {
-        unsafe {
-            let mut bytes = 0;
-            cvt({
-                c::DeviceIoControl(self.handle.raw(),
-                                   c::FSCTL_GET_REPARSE_POINT,
-                                   ptr::null_mut(),
-                                   0,
-                                   space.as_mut_ptr() as *mut _,
-                                   space.len() as c::DWORD,
-                                   &mut bytes,
-                                   ptr::null_mut())
-            })?;
-            Ok((bytes, &*(space.as_ptr() as *const c::REPARSE_DATA_BUFFER)))
-        }
-    }
-
-    fn readlink(&self) -> io::Result<PathBuf> {
-        let mut space = [0u8; c::MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
-        let (_bytes, buf) = self.reparse_point(&mut space)?;
-        unsafe {
-            let (path_buffer, subst_off, subst_len, relative) = match buf.ReparseTag {
-                c::IO_REPARSE_TAG_SYMLINK => {
-                    let info: *const c::SYMBOLIC_LINK_REPARSE_BUFFER =
-                        &buf.rest as *const _ as *const _;
-                    (&(*info).PathBuffer as *const _ as *const u16,
-                     (*info).SubstituteNameOffset / 2,
-                     (*info).SubstituteNameLength / 2,
-                     (*info).Flags & c::SYMLINK_FLAG_RELATIVE != 0)
-                },
-                c::IO_REPARSE_TAG_MOUNT_POINT => {
-                    let info: *const c::MOUNT_POINT_REPARSE_BUFFER =
-                        &buf.rest as *const _ as *const _;
-                    (&(*info).PathBuffer as *const _ as *const u16,
-                     (*info).SubstituteNameOffset / 2,
-                     (*info).SubstituteNameLength / 2,
-                     false)
-                },
-                _ => return Err(io::Error::new(io::ErrorKind::Other,
-                                               "Unsupported reparse point type"))
-            };
-            let subst_ptr = path_buffer.offset(subst_off as isize);
-            let mut subst = slice::from_raw_parts(subst_ptr, subst_len as usize);
-            // Absolute paths start with an NT internal namespace prefix `\??\`
-            // We should not let it leak through.
-            if !relative && subst.starts_with(&[92u16, 63u16, 63u16, 92u16]) {
-                subst = &subst[4..];
-            }
-            Ok(PathBuf::from(OsString::from_wide(subst)))
-        }
-    }
-
-    pub fn set_permissions(&self, perm: FilePermissions) -> io::Result<()> {
-        let mut info = c::FILE_BASIC_INFO {
-            CreationTime: 0,
-            LastAccessTime: 0,
-            LastWriteTime: 0,
-            ChangeTime: 0,
-            FileAttributes: perm.attrs,
-        };
-        let size = mem::size_of_val(&info);
-        cvt(unsafe {
-            c::SetFileInformationByHandle(self.handle.raw(),
-                                          c::FileBasicInfo,
-                                          &mut info as *mut _ as *mut _,
-                                          size as c::DWORD)
-        })?;
-        Ok(())
-    }
-}
-
-impl FromInner<c::HANDLE> for File {
-    fn from_inner(handle: c::HANDLE) -> File {
-        File { handle: Handle::new(handle) }
-    }
-}
-
-impl fmt::Debug for File {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        // FIXME(#24570): add more info here (e.g. mode)
-        let mut b = f.debug_struct("File");
-        b.field("handle", &self.handle.raw());
-        if let Ok(path) = get_path(&self) {
-            b.field("path", &path);
-        }
-        b.finish()
-    }
-}
-
-impl FileAttr {
-    pub fn size(&self) -> u64 {
-        self.file_size
-    }
-
-    pub fn perm(&self) -> FilePermissions {
-        FilePermissions { attrs: self.attributes }
-    }
-
-    pub fn attrs(&self) -> u32 { self.attributes as u32 }
-
-    pub fn file_type(&self) -> FileType {
-        FileType::new(self.attributes, self.reparse_tag)
-    }
-
-    pub fn modified(&self) -> io::Result<SystemTime> {
-        Ok(SystemTime::from(self.last_write_time))
-    }
-
-    pub fn accessed(&self) -> io::Result<SystemTime> {
-        Ok(SystemTime::from(self.last_access_time))
-    }
-
-    pub fn created(&self) -> io::Result<SystemTime> {
-        Ok(SystemTime::from(self.creation_time))
-    }
-
-    pub fn modified_u64(&self) -> u64 {
-        to_u64(&self.last_write_time)
-    }
-
-    pub fn accessed_u64(&self) -> u64 {
-        to_u64(&self.last_access_time)
-    }
-
-    pub fn created_u64(&self) -> u64 {
-        to_u64(&self.creation_time)
-    }
-
-    fn is_reparse_point(&self) -> bool {
-        self.attributes & c::FILE_ATTRIBUTE_REPARSE_POINT != 0
-    }
-}
-
-fn to_u64(ft: &c::FILETIME) -> u64 {
-    (ft.dwLowDateTime as u64) | ((ft.dwHighDateTime as u64) << 32)
-}
-
-impl FilePermissions {
-    pub fn readonly(&self) -> bool {
-        self.attrs & c::FILE_ATTRIBUTE_READONLY != 0
-    }
-
-    pub fn set_readonly(&mut self, readonly: bool) {
-        if readonly {
-            self.attrs |= c::FILE_ATTRIBUTE_READONLY;
-        } else {
-            self.attrs &= !c::FILE_ATTRIBUTE_READONLY;
-        }
-    }
-}
-
-impl FileType {
-    fn new(attrs: c::DWORD, reparse_tag: c::DWORD) -> FileType {
-        FileType {
-            attributes: attrs,
-            reparse_tag: reparse_tag,
-        }
-    }
-    pub fn is_dir(&self) -> bool {
-        !self.is_symlink() && self.is_directory()
-    }
-    pub fn is_file(&self) -> bool {
-        !self.is_symlink() && !self.is_directory()
-    }
-    pub fn is_symlink(&self) -> bool {
-        self.is_reparse_point() && self.is_reparse_tag_name_surrogate()
-    }
-    pub fn is_symlink_dir(&self) -> bool {
-        self.is_symlink() && self.is_directory()
-    }
-    pub fn is_symlink_file(&self) -> bool {
-        self.is_symlink() && !self.is_directory()
-    }
-    fn is_directory(&self) -> bool {
-        self.attributes & c::FILE_ATTRIBUTE_DIRECTORY != 0
-    }
-    fn is_reparse_point(&self) -> bool {
-        self.attributes & c::FILE_ATTRIBUTE_REPARSE_POINT != 0
-    }
-    fn is_reparse_tag_name_surrogate(&self) -> bool {
-        self.reparse_tag & 0x20000000 != 0
-    }
-}
-
-impl DirBuilder {
-    pub fn new() -> DirBuilder { DirBuilder }
-
-    pub fn mkdir(&self, p: &Path) -> io::Result<()> {
-        let p = to_u16s(p)?;
-        cvt(unsafe {
-            c::CreateDirectoryW(p.as_ptr(), ptr::null_mut())
-        })?;
-        Ok(())
-    }
-}
-
-pub fn readdir(p: &Path) -> io::Result<ReadDir> {
-    let root = p.to_path_buf();
-    let star = p.join("*");
-    let path = to_u16s(&star)?;
-
-    unsafe {
-        let mut wfd = mem::zeroed();
-        let find_handle = c::FindFirstFileW(path.as_ptr(), &mut wfd);
-        if find_handle != c::INVALID_HANDLE_VALUE {
-            Ok(ReadDir {
-                handle: FindNextFileHandle(find_handle),
-                root: Arc::new(root),
-                first: Some(wfd),
-            })
-        } else {
-            Err(Error::last_os_error())
-        }
-    }
-}
-
-pub fn unlink(p: &Path) -> io::Result<()> {
-    let p_u16s = to_u16s(p)?;
-    cvt(unsafe { c::DeleteFileW(p_u16s.as_ptr()) })?;
-    Ok(())
-}
-
-pub fn rename(old: &Path, new: &Path) -> io::Result<()> {
-    let old = to_u16s(old)?;
-    let new = to_u16s(new)?;
-    cvt(unsafe {
-        c::MoveFileExW(old.as_ptr(), new.as_ptr(), c::MOVEFILE_REPLACE_EXISTING)
-    })?;
-    Ok(())
-}
-
-pub fn rmdir(p: &Path) -> io::Result<()> {
-    let p = to_u16s(p)?;
-    cvt(unsafe { c::RemoveDirectoryW(p.as_ptr()) })?;
-    Ok(())
-}
-
-pub fn remove_dir_all(path: &Path) -> io::Result<()> {
-    let filetype = lstat(path)?.file_type();
-    if filetype.is_symlink() {
-        // On Windows symlinks to files and directories are removed differently.
-        // rmdir only deletes dir symlinks and junctions, not file symlinks.
-        rmdir(path)
-    } else {
-        remove_dir_all_recursive(path)
-    }
-}
-
-fn remove_dir_all_recursive(path: &Path) -> io::Result<()> {
-    for child in readdir(path)? {
-        let child = child?;
-        let child_type = child.file_type()?;
-        if child_type.is_dir() {
-            remove_dir_all_recursive(&child.path())?;
-        } else if child_type.is_symlink_dir() {
-            rmdir(&child.path())?;
-        } else {
-            unlink(&child.path())?;
-        }
-    }
-    rmdir(path)
-}
-
-pub fn readlink(path: &Path) -> io::Result<PathBuf> {
-    // Open the link with no access mode, instead of generic read.
-    // By default FILE_LIST_DIRECTORY is denied for the junction "C:\Documents and Settings", so
-    // this is needed for a common case.
-    let mut opts = OpenOptions::new();
-    opts.access_mode(0);
-    opts.custom_flags(c::FILE_FLAG_OPEN_REPARSE_POINT |
-                      c::FILE_FLAG_BACKUP_SEMANTICS);
-    let file = File::open(&path, &opts)?;
-    file.readlink()
-}
-
-pub fn symlink(src: &Path, dst: &Path) -> io::Result<()> {
-    symlink_inner(src, dst, false)
-}
-
-pub fn symlink_inner(src: &Path, dst: &Path, dir: bool) -> io::Result<()> {
-    let src = to_u16s(src)?;
-    let dst = to_u16s(dst)?;
-    let flags = if dir { c::SYMBOLIC_LINK_FLAG_DIRECTORY } else { 0 };
-    // Formerly, symlink creation required the SeCreateSymbolicLink privilege. For the Windows 10
-    // Creators Update, Microsoft loosened this to allow unprivileged symlink creation if the
-    // computer is in Developer Mode, but SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE must be
-    // added to dwFlags to opt into this behaviour.
-    let result = cvt(unsafe {
-        c::CreateSymbolicLinkW(dst.as_ptr(), src.as_ptr(),
-                               flags | c::SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE) as c::BOOL
-    });
-    if let Err(err) = result {
-        if err.raw_os_error() == Some(c::ERROR_INVALID_PARAMETER as i32) {
-            // Older Windows objects to SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE,
-            // so if we encounter ERROR_INVALID_PARAMETER, retry without that flag.
-            cvt(unsafe {
-                c::CreateSymbolicLinkW(dst.as_ptr(), src.as_ptr(), flags) as c::BOOL
-            })?;
-        } else {
-            return Err(err);
-        }
-    }
-    Ok(())
-}
-
-pub fn link(src: &Path, dst: &Path) -> io::Result<()> {
-    let src = to_u16s(src)?;
-    let dst = to_u16s(dst)?;
-    cvt(unsafe {
-        c::CreateHardLinkW(dst.as_ptr(), src.as_ptr(), ptr::null_mut())
-    })?;
-    Ok(())
-}
-
-pub fn stat(path: &Path) -> io::Result<FileAttr> {
-    let mut opts = OpenOptions::new();
-    // No read or write permissions are necessary
-    opts.access_mode(0);
-    // This flag is so we can open directories too
-    opts.custom_flags(c::FILE_FLAG_BACKUP_SEMANTICS);
-    let file = File::open(path, &opts)?;
-    file.file_attr()
-}
-
-pub fn lstat(path: &Path) -> io::Result<FileAttr> {
-    let mut opts = OpenOptions::new();
-    // No read or write permissions are necessary
-    opts.access_mode(0);
-    opts.custom_flags(c::FILE_FLAG_BACKUP_SEMANTICS | c::FILE_FLAG_OPEN_REPARSE_POINT);
-    let file = File::open(path, &opts)?;
-    file.file_attr()
-}
-
-pub fn set_perm(p: &Path, perm: FilePermissions) -> io::Result<()> {
-    let p = to_u16s(p)?;
-    unsafe {
-        cvt(c::SetFileAttributesW(p.as_ptr(), perm.attrs))?;
-        Ok(())
-    }
-}
-
-fn get_path(f: &File) -> io::Result<PathBuf> {
-    super::fill_utf16_buf(|buf, sz| unsafe {
-        c::GetFinalPathNameByHandleW(f.handle.raw(), buf, sz,
-                                     c::VOLUME_NAME_DOS)
-    }, |buf| {
-        PathBuf::from(OsString::from_wide(buf))
-    })
-}
-
-pub fn canonicalize(p: &Path) -> io::Result<PathBuf> {
-    let mut opts = OpenOptions::new();
-    // No read or write permissions are necessary
-    opts.access_mode(0);
-    // This flag is so we can open directories too
-    opts.custom_flags(c::FILE_FLAG_BACKUP_SEMANTICS);
-    let f = File::open(p, &opts)?;
-    get_path(&f)
-}
-
-pub fn copy(from: &Path, to: &Path) -> io::Result<u64> {
-    unsafe extern "system" fn callback(
-        _TotalFileSize: c::LARGE_INTEGER,
-        _TotalBytesTransferred: c::LARGE_INTEGER,
-        _StreamSize: c::LARGE_INTEGER,
-        StreamBytesTransferred: c::LARGE_INTEGER,
-        dwStreamNumber: c::DWORD,
-        _dwCallbackReason: c::DWORD,
-        _hSourceFile: c::HANDLE,
-        _hDestinationFile: c::HANDLE,
-        lpData: c::LPVOID,
-    ) -> c::DWORD {
-        if dwStreamNumber == 1 {*(lpData as *mut i64) = StreamBytesTransferred;}
-        c::PROGRESS_CONTINUE
-    }
-    let pfrom = to_u16s(from)?;
-    let pto = to_u16s(to)?;
-    let mut size = 0i64;
-    cvt(unsafe {
-        c::CopyFileExW(pfrom.as_ptr(), pto.as_ptr(), Some(callback),
-                       &mut size as *mut _ as *mut _, ptr::null_mut(), 0)
-    })?;
-    Ok(size as u64)
-}
-
-#[allow(dead_code)]
-pub fn symlink_junction<P: AsRef<Path>, Q: AsRef<Path>>(src: P, dst: Q) -> io::Result<()> {
-    symlink_junction_inner(src.as_ref(), dst.as_ref())
-}
-
-// Creating a directory junction on windows involves dealing with reparse
-// points and the DeviceIoControl function, and this code is a skeleton of
-// what can be found here:
-//
-// http://www.flexhex.com/docs/articles/hard-links.phtml
-#[allow(dead_code)]
-fn symlink_junction_inner(target: &Path, junction: &Path) -> io::Result<()> {
-    let d = DirBuilder::new();
-    d.mkdir(&junction)?;
-
-    let mut opts = OpenOptions::new();
-    opts.write(true);
-    opts.custom_flags(c::FILE_FLAG_OPEN_REPARSE_POINT |
-                      c::FILE_FLAG_BACKUP_SEMANTICS);
-    let f = File::open(junction, &opts)?;
-    let h = f.handle().raw();
-
-    unsafe {
-        let mut data = [0u8; c::MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
-        let db = data.as_mut_ptr()
-                    as *mut c::REPARSE_MOUNTPOINT_DATA_BUFFER;
-        let buf = &mut (*db).ReparseTarget as *mut c::WCHAR;
-        let mut i = 0;
-        // FIXME: this conversion is very hacky
-        let v = br"\??\";
-        let v = v.iter().map(|x| *x as u16);
-        for c in v.chain(target.as_os_str().encode_wide()) {
-            *buf.offset(i) = c;
-            i += 1;
-        }
-        *buf.offset(i) = 0;
-        i += 1;
-        (*db).ReparseTag = c::IO_REPARSE_TAG_MOUNT_POINT;
-        (*db).ReparseTargetMaximumLength = (i * 2) as c::WORD;
-        (*db).ReparseTargetLength = ((i - 1) * 2) as c::WORD;
-        (*db).ReparseDataLength =
-                (*db).ReparseTargetLength as c::DWORD + 12;
-
-        let mut ret = 0;
-        cvt(c::DeviceIoControl(h as *mut _,
-                               c::FSCTL_SET_REPARSE_POINT,
-                               data.as_ptr() as *mut _,
-                               (*db).ReparseDataLength + 8,
-                               ptr::null_mut(), 0,
-                               &mut ret,
-                               ptr::null_mut())).map(|_| ())
-    }
-}