Deleted vendor folder

7 files changed, 0 insertions, 902 deletions

diff --git a/vendor/redox_syscall/src/scheme/generate.sh b/vendor/redox_syscall/src/scheme/generate.sh
deleted file mode 100755
index be851f5..0000000
--- a/vendor/redox_syscall/src/scheme/generate.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-echo "Generating SchemeMut from Scheme"
-sed 's/trait Scheme/trait SchemeMut/' scheme.rs \
-| sed 's/\&self/\&mut self/g' \
-> scheme_mut.rs
-
-echo "Generating SchemeBlock from Scheme"
-sed 's/trait Scheme/trait SchemeBlock/' scheme.rs \
-| sed 's/fn handle(\&self, packet: \&mut Packet)/fn handle(\&self, packet: \&Packet) -> Option<usize>/' \
-| sed 's/packet.a = Error::mux(res);/res.transpose().map(Error::mux)/' \
-| sed 's/\.map(|f| f\.bits())/\.map(|f| f.map(|f| f.bits()))/' \
-| sed 's/\.map(|o| o as usize)/.map(|o| o.map(|o| o as usize))/' \
-| sed 's/Ok(0)/Ok(Some(0))/g' \
-| sed 's/Result<\([^>]\+\)>/Result<Option<\1>>/g' \
-| sed 's/convert_to_this_scheme/convert_to_this_scheme_block/g' \
-| sed 's/convert_in_scheme_handle/convert_in_scheme_handle_block/g' \
-> scheme_block.rs
-
-echo "Generating SchemeBlockMut from SchemeBlock"
-sed 's/trait SchemeBlock/trait SchemeBlockMut/' scheme_block.rs \
-| sed 's/\&self/\&mut self/g' \
-> scheme_block_mut.rs
diff --git a/vendor/redox_syscall/src/scheme/mod.rs b/vendor/redox_syscall/src/scheme/mod.rs
deleted file mode 100644
index 61655da..0000000
--- a/vendor/redox_syscall/src/scheme/mod.rs
+++ /dev/null
@@ -1,68 +0,0 @@
-use core::{slice, str};
-
-use crate::{Error, Result, EOPNOTSUPP, ESKMSG, Packet, SKMSG_FRETURNFD};
-
-pub use self::scheme::Scheme;
-pub use self::scheme_mut::SchemeMut;
-pub use self::scheme_block::SchemeBlock;
-pub use self::scheme_block_mut::SchemeBlockMut;
-pub use self::seek::*;
-
-unsafe fn str_from_raw_parts(ptr: *const u8, len: usize) -> Option<&'static str> {
-    let slice = slice::from_raw_parts(ptr, len);
-    str::from_utf8(slice).ok()
-}
-
-mod scheme;
-mod scheme_mut;
-mod scheme_block;
-mod scheme_block_mut;
-mod seek;
-
-pub struct CallerCtx {
-    pub pid: usize,
-    pub uid: u32,
-    pub gid: u32,
-}
-
-pub enum OpenResult {
-    ThisScheme { number: usize },
-    OtherScheme { fd: usize },
-}
-
-// TODO: Find a better solution than generate.sh
-pub(crate) fn convert_to_this_scheme(r: Result<usize>) -> Result<OpenResult> {
-    r.map(|number| OpenResult::ThisScheme { number })
-}
-pub(crate) fn convert_to_this_scheme_block(r: Result<Option<usize>>) -> Result<Option<OpenResult>> {
-    r.map(|o| o.map(|number| OpenResult::ThisScheme { number }))
-}
-pub(crate) fn convert_in_scheme_handle_block(_: &Packet, result: Result<Option<OpenResult>>) -> Result<Option<usize>> {
-    match result {
-        Ok(Some(OpenResult::ThisScheme { number })) => Ok(Some(number)),
-        Ok(Some(OpenResult::OtherScheme { .. })) => Err(Error::new(EOPNOTSUPP)),
-        Ok(None) => Ok(None),
-        Err(err) => Err(err),
-    }
-}
-pub(crate) fn convert_in_scheme_handle(packet: &mut Packet, result: Result<OpenResult>) -> Result<usize> {
-    match result {
-        Ok(OpenResult::ThisScheme { number }) => Ok(number),
-        Ok(OpenResult::OtherScheme { fd }) => {
-            packet.b = SKMSG_FRETURNFD;
-            packet.c = fd;
-            Err(Error::new(ESKMSG))
-        }
-        Err(err) => Err(err),
-    }
-}
-
-impl CallerCtx {
-    pub fn from_packet(packet: &Packet) -> Self {
-        Self {
-            pid: packet.pid,
-            uid: packet.uid,
-            gid: packet.gid,
-        }
-    }
-}
diff --git a/vendor/redox_syscall/src/scheme/scheme.rs b/vendor/redox_syscall/src/scheme/scheme.rs
deleted file mode 100644
index ee09d69..0000000
--- a/vendor/redox_syscall/src/scheme/scheme.rs
+++ /dev/null
@@ -1,194 +0,0 @@
-use core::{mem, slice};
-
-use crate::CallerCtx;
-use crate::OpenResult;
-use crate::data::*;
-use crate::error::*;
-use crate::flag::*;
-use crate::number::*;
-use crate::scheme::*;
-
-pub trait Scheme {
-    fn handle(&self, packet: &mut Packet) {
-        let res = match packet.a {
-            SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                convert_in_scheme_handle(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
-            }
-            else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.rmdir(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.unlink(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-
-            SYS_DUP => convert_in_scheme_handle(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
-            SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
-            SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o as usize),
-            SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
-            SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
-            SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
-            SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.bits()),
-            SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
-                self.frename(packet.b, path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
-                self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
-                self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSYNC => self.fsync(packet.b),
-            SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
-            SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
-                self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_CLOSE => self.close(packet.b),
-
-            KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
-            KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
-
-            _ => Err(Error::new(ENOSYS))
-        };
-
-        packet.a = Error::mux(res);
-    }
-
-    /* Scheme operations */
-
-    #[allow(unused_variables)]
-    fn open(&self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-    #[allow(unused_variables)]
-    fn xopen(&self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<OpenResult> {
-        convert_to_this_scheme(self.open(path, flags, ctx.uid, ctx.gid))
-    }
-
-    #[allow(unused_variables)]
-    fn chmod(&self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn rmdir(&self, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn unlink(&self, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    /* Resource operations */
-    #[allow(unused_variables)]
-    fn dup(&self, old_id: usize, buf: &[u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn xdup(&self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<OpenResult> {
-        convert_to_this_scheme(self.dup(old_id, buf))
-    }
-
-    #[allow(unused_variables)]
-    fn read(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn write(&self, id: usize, buf: &[u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn seek(&self, id: usize, pos: isize, whence: usize) -> Result<isize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchmod(&self, id: usize, mode: u16) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchown(&self, id: usize, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fcntl(&self, id: usize, cmd: usize, arg: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fevent(&self, id: usize, flags: EventFlags) -> Result<EventFlags> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fpath(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn frename(&self, id: usize, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstat(&self, id: usize, stat: &mut Stat) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstatvfs(&self, id: usize, stat: &mut StatVfs) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fsync(&self, id: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn ftruncate(&self, id: usize, len: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn futimens(&self, id: usize, times: &[TimeSpec]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn close(&self, id: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn mmap_prep(&self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<usize> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-
-    #[allow(unused_variables)]
-    fn munmap(&self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<usize> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-}
diff --git a/vendor/redox_syscall/src/scheme/scheme_block.rs b/vendor/redox_syscall/src/scheme/scheme_block.rs
deleted file mode 100644
index e74e3b7..0000000
--- a/vendor/redox_syscall/src/scheme/scheme_block.rs
+++ /dev/null
@@ -1,194 +0,0 @@
-use core::{mem, slice};
-
-use crate::CallerCtx;
-use crate::OpenResult;
-use crate::data::*;
-use crate::error::*;
-use crate::flag::*;
-use crate::number::*;
-use crate::scheme::*;
-
-pub trait SchemeBlock {
-    fn handle(&self, packet: &Packet) -> Option<usize> {
-        let res = match packet.a {
-            SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                convert_in_scheme_handle_block(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
-            }
-            else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.rmdir(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.unlink(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-
-            SYS_DUP => convert_in_scheme_handle_block(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
-            SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
-            SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o.map(|o| o as usize)),
-            SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
-            SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
-            SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
-            SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.map(|f| f.bits())),
-            SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
-                self.frename(packet.b, path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
-                self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
-                self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSYNC => self.fsync(packet.b),
-            SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
-            SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
-                self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_CLOSE => self.close(packet.b),
-
-            KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
-            KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
-
-            _ => Err(Error::new(ENOSYS))
-        };
-
-        res.transpose().map(Error::mux)
-    }
-
-    /* Scheme operations */
-
-    #[allow(unused_variables)]
-    fn open(&self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-    #[allow(unused_variables)]
-    fn xopen(&self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<Option<OpenResult>> {
-        convert_to_this_scheme_block(self.open(path, flags, ctx.uid, ctx.gid))
-    }
-
-    #[allow(unused_variables)]
-    fn chmod(&self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn rmdir(&self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn unlink(&self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    /* Resource operations */
-    #[allow(unused_variables)]
-    fn dup(&self, old_id: usize, buf: &[u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn xdup(&self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<Option<OpenResult>> {
-        convert_to_this_scheme_block(self.dup(old_id, buf))
-    }
-
-    #[allow(unused_variables)]
-    fn read(&self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn write(&self, id: usize, buf: &[u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn seek(&self, id: usize, pos: isize, whence: usize) -> Result<Option<isize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchmod(&self, id: usize, mode: u16) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchown(&self, id: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fcntl(&self, id: usize, cmd: usize, arg: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fevent(&self, id: usize, flags: EventFlags) -> Result<Option<EventFlags>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fpath(&self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn frename(&self, id: usize, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstat(&self, id: usize, stat: &mut Stat) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstatvfs(&self, id: usize, stat: &mut StatVfs) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fsync(&self, id: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn ftruncate(&self, id: usize, len: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn futimens(&self, id: usize, times: &[TimeSpec]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn close(&self, id: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn mmap_prep(&self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<Option<usize>> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-
-    #[allow(unused_variables)]
-    fn munmap(&self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<Option<usize>> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-}
diff --git a/vendor/redox_syscall/src/scheme/scheme_block_mut.rs b/vendor/redox_syscall/src/scheme/scheme_block_mut.rs
deleted file mode 100644
index fd2c590..0000000
--- a/vendor/redox_syscall/src/scheme/scheme_block_mut.rs
+++ /dev/null
@@ -1,194 +0,0 @@
-use core::{mem, slice};
-
-use crate::CallerCtx;
-use crate::OpenResult;
-use crate::data::*;
-use crate::error::*;
-use crate::flag::*;
-use crate::number::*;
-use crate::scheme::*;
-
-pub trait SchemeBlockMut {
-    fn handle(&mut self, packet: &Packet) -> Option<usize> {
-        let res = match packet.a {
-            SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                convert_in_scheme_handle_block(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
-            }
-            else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.rmdir(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.unlink(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-
-            SYS_DUP => convert_in_scheme_handle_block(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
-            SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
-            SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o.map(|o| o as usize)),
-            SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
-            SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
-            SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
-            SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.map(|f| f.bits())),
-            SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
-                self.frename(packet.b, path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
-                self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
-                self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSYNC => self.fsync(packet.b),
-            SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
-            SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
-                self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_CLOSE => self.close(packet.b),
-
-            KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
-            KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
-
-            _ => Err(Error::new(ENOSYS))
-        };
-
-        res.transpose().map(Error::mux)
-    }
-
-    /* Scheme operations */
-
-    #[allow(unused_variables)]
-    fn open(&mut self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-    #[allow(unused_variables)]
-    fn xopen(&mut self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<Option<OpenResult>> {
-        convert_to_this_scheme_block(self.open(path, flags, ctx.uid, ctx.gid))
-    }
-
-    #[allow(unused_variables)]
-    fn chmod(&mut self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn rmdir(&mut self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn unlink(&mut self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(ENOENT))
-    }
-
-    /* Resource operations */
-    #[allow(unused_variables)]
-    fn dup(&mut self, old_id: usize, buf: &[u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn xdup(&mut self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<Option<OpenResult>> {
-        convert_to_this_scheme_block(self.dup(old_id, buf))
-    }
-
-    #[allow(unused_variables)]
-    fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn write(&mut self, id: usize, buf: &[u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn seek(&mut self, id: usize, pos: isize, whence: usize) -> Result<Option<isize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchmod(&mut self, id: usize, mode: u16) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchown(&mut self, id: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fcntl(&mut self, id: usize, cmd: usize, arg: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fevent(&mut self, id: usize, flags: EventFlags) -> Result<Option<EventFlags>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn frename(&mut self, id: usize, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstat(&mut self, id: usize, stat: &mut Stat) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstatvfs(&mut self, id: usize, stat: &mut StatVfs) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fsync(&mut self, id: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn ftruncate(&mut self, id: usize, len: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn futimens(&mut self, id: usize, times: &[TimeSpec]) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn close(&mut self, id: usize) -> Result<Option<usize>> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn mmap_prep(&mut self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<Option<usize>> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-
-    #[allow(unused_variables)]
-    fn munmap(&mut self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<Option<usize>> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-}
diff --git a/vendor/redox_syscall/src/scheme/scheme_mut.rs b/vendor/redox_syscall/src/scheme/scheme_mut.rs
deleted file mode 100644
index 2eea4dc..0000000
--- a/vendor/redox_syscall/src/scheme/scheme_mut.rs
+++ /dev/null
@@ -1,194 +0,0 @@
-use core::{mem, slice};
-
-use crate::CallerCtx;
-use crate::OpenResult;
-use crate::data::*;
-use crate::error::*;
-use crate::flag::*;
-use crate::number::*;
-use crate::scheme::*;
-
-pub trait SchemeMut {
-    fn handle(&mut self, packet: &mut Packet) {
-        let res = match packet.a {
-            SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                convert_in_scheme_handle(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
-            }
-            else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.rmdir(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
-                self.unlink(path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-
-            SYS_DUP => convert_in_scheme_handle(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
-            SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
-            SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o as usize),
-            SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
-            SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
-            SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
-            SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.bits()),
-            SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
-            SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
-                self.frename(packet.b, path, packet.uid, packet.gid)
-            } else {
-                Err(Error::new(EINVAL))
-            },
-            SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
-                self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
-                self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_FSYNC => self.fsync(packet.b),
-            SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
-            SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
-                self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
-            } else {
-                Err(Error::new(EFAULT))
-            },
-            SYS_CLOSE => self.close(packet.b),
-
-            KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
-            KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
-
-            _ => Err(Error::new(ENOSYS))
-        };
-
-        packet.a = Error::mux(res);
-    }
-
-    /* Scheme operations */
-
-    #[allow(unused_variables)]
-    fn open(&mut self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-    #[allow(unused_variables)]
-    fn xopen(&mut self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<OpenResult> {
-        convert_to_this_scheme(self.open(path, flags, ctx.uid, ctx.gid))
-    }
-
-    #[allow(unused_variables)]
-    fn chmod(&mut self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn rmdir(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    #[allow(unused_variables)]
-    fn unlink(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(ENOENT))
-    }
-
-    /* Resource operations */
-    #[allow(unused_variables)]
-    fn dup(&mut self, old_id: usize, buf: &[u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn xdup(&mut self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<OpenResult> {
-        convert_to_this_scheme(self.dup(old_id, buf))
-    }
-
-    #[allow(unused_variables)]
-    fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn write(&mut self, id: usize, buf: &[u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn seek(&mut self, id: usize, pos: isize, whence: usize) -> Result<isize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchmod(&mut self, id: usize, mode: u16) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fchown(&mut self, id: usize, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fcntl(&mut self, id: usize, cmd: usize, arg: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fevent(&mut self, id: usize, flags: EventFlags) -> Result<EventFlags> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn frename(&mut self, id: usize, path: &str, uid: u32, gid: u32) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstat(&mut self, id: usize, stat: &mut Stat) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fstatvfs(&mut self, id: usize, stat: &mut StatVfs) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn fsync(&mut self, id: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn ftruncate(&mut self, id: usize, len: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn futimens(&mut self, id: usize, times: &[TimeSpec]) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn close(&mut self, id: usize) -> Result<usize> {
-        Err(Error::new(EBADF))
-    }
-
-    #[allow(unused_variables)]
-    fn mmap_prep(&mut self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<usize> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-
-    #[allow(unused_variables)]
-    fn munmap(&mut self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<usize> {
-        Err(Error::new(EOPNOTSUPP))
-    }
-}
diff --git a/vendor/redox_syscall/src/scheme/seek.rs b/vendor/redox_syscall/src/scheme/seek.rs
deleted file mode 100644
index 09a4518..0000000
--- a/vendor/redox_syscall/src/scheme/seek.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use core::cmp;
-use core::convert::TryFrom;
-use crate::error::*;
-use crate::flag::*;
-
-/// Helper for seek calls
-/// In most cases it's easier to use a usize to track the offset and buffer size internally,
-/// but the seek interface uses isize.  This wrapper ensures EOVERFLOW errors are returned
-/// as appropriate if the value in the usize can't fit in the isize.
-pub fn calc_seek_offset_usize(cur_offset: usize, pos: isize, whence: usize, buf_len: usize) -> Result<isize> {
-    let cur_offset = isize::try_from(cur_offset).or_else(|_| Err(Error::new(EOVERFLOW)))?;
-    let buf_len = isize::try_from(buf_len).or_else(|_| Err(Error::new(EOVERFLOW)))?;
-    calc_seek_offset_isize(cur_offset, pos, whence, buf_len)
-}
-
-/// Helper for seek calls
-/// Result is guaranteed to be positive.
-/// EOVERFLOW returned if the arguments would cause an overflow.
-/// EINVAL returned if the new offset is out of bounds.
-pub fn calc_seek_offset_isize(cur_offset: isize, pos: isize, whence: usize, buf_len: isize) -> Result<isize> {
-    let new_offset = match whence {
-        SEEK_CUR => pos.checked_add(cur_offset),
-        SEEK_END => pos.checked_add(buf_len),
-        SEEK_SET => Some(pos),
-        _ => None,
-    };
-
-    match new_offset {
-        Some(new_offset) if new_offset < 0 => Err(Error::new(EINVAL)),
-        Some(new_offset) => Ok(cmp::min(new_offset, buf_len)),
-        None => Err(Error::new(EOVERFLOW))
-    }
-}
\ No newline at end of file