diff options
Diffstat (limited to 'third_party/rust/nix/src/sys/uio.rs')
| -rw-r--r-- | third_party/rust/nix/src/sys/uio.rs | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/third_party/rust/nix/src/sys/uio.rs b/third_party/rust/nix/src/sys/uio.rs index eaf61edfd4..cdf380dd11 100644 --- a/third_party/rust/nix/src/sys/uio.rs +++ b/third_party/rust/nix/src/sys/uio.rs @@ -2,7 +2,7 @@ use crate::errno::Errno; use crate::Result; -use libc::{self, c_int, c_void, off_t, size_t}; +use libc::{self, c_int, off_t, size_t}; use std::io::{IoSlice, IoSliceMut}; use std::os::unix::io::{AsFd, AsRawFd}; @@ -18,7 +18,11 @@ pub fn writev<Fd: AsFd>(fd: Fd, iov: &[IoSlice<'_>]) -> Result<usize> { // // Because it is ABI compatible, a pointer cast here is valid let res = unsafe { - libc::writev(fd.as_fd().as_raw_fd(), iov.as_ptr() as *const libc::iovec, iov.len() as c_int) + libc::writev( + fd.as_fd().as_raw_fd(), + iov.as_ptr().cast(), + iov.len() as c_int, + ) }; Errno::result(res).map(|r| r as usize) @@ -33,7 +37,11 @@ pub fn writev<Fd: AsFd>(fd: Fd, iov: &[IoSlice<'_>]) -> Result<usize> { pub fn readv<Fd: AsFd>(fd: Fd, iov: &mut [IoSliceMut<'_>]) -> Result<usize> { // SAFETY: same as in writev(), IoSliceMut is ABI-compatible with iovec let res = unsafe { - libc::readv(fd.as_fd().as_raw_fd(), iov.as_ptr() as *const libc::iovec, iov.len() as c_int) + libc::readv( + fd.as_fd().as_raw_fd(), + iov.as_ptr().cast(), + iov.len() as c_int, + ) }; Errno::result(res).map(|r| r as usize) @@ -45,9 +53,12 @@ pub fn readv<Fd: AsFd>(fd: Fd, iov: &mut [IoSliceMut<'_>]) -> Result<usize> { /// or an error occurs. The file offset is not changed. /// /// See also: [`writev`](fn.writev.html) and [`pwrite`](fn.pwrite.html) -#[cfg(not(any(target_os = "redox", target_os = "haiku")))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn pwritev<Fd: AsFd>(fd: Fd, iov: &[IoSlice<'_>], offset: off_t) -> Result<usize> { +#[cfg(not(any(target_os = "redox", target_os = "haiku", target_os = "solaris")))] +pub fn pwritev<Fd: AsFd>( + fd: Fd, + iov: &[IoSlice<'_>], + offset: off_t, +) -> Result<usize> { #[cfg(target_env = "uclibc")] let offset = offset as libc::off64_t; // uclibc doesn't use off_t @@ -55,7 +66,7 @@ pub fn pwritev<Fd: AsFd>(fd: Fd, iov: &[IoSlice<'_>], offset: off_t) -> Result<u let res = unsafe { libc::pwritev( fd.as_fd().as_raw_fd(), - iov.as_ptr() as *const libc::iovec, + iov.as_ptr().cast(), iov.len() as c_int, offset, ) @@ -71,8 +82,7 @@ pub fn pwritev<Fd: AsFd>(fd: Fd, iov: &[IoSlice<'_>], offset: off_t) -> Result<u /// changed. /// /// See also: [`readv`](fn.readv.html) and [`pread`](fn.pread.html) -#[cfg(not(any(target_os = "redox", target_os = "haiku")))] -#[cfg_attr(docsrs, doc(cfg(all())))] +#[cfg(not(any(target_os = "redox", target_os = "haiku", target_os = "solaris")))] // Clippy doesn't know that we need to pass iov mutably only because the // mutation happens after converting iov to a pointer #[allow(clippy::needless_pass_by_ref_mut)] @@ -88,7 +98,7 @@ pub fn preadv<Fd: AsFd>( let res = unsafe { libc::preadv( fd.as_fd().as_raw_fd(), - iov.as_ptr() as *const libc::iovec, + iov.as_ptr().cast(), iov.len() as c_int, offset, ) @@ -105,7 +115,7 @@ pub fn pwrite<Fd: AsFd>(fd: Fd, buf: &[u8], offset: off_t) -> Result<usize> { let res = unsafe { libc::pwrite( fd.as_fd().as_raw_fd(), - buf.as_ptr() as *const c_void, + buf.as_ptr().cast(), buf.len() as size_t, offset, ) @@ -122,7 +132,7 @@ pub fn pread<Fd: AsFd>(fd: Fd, buf: &mut [u8], offset: off_t) -> Result<usize> { let res = unsafe { libc::pread( fd.as_fd().as_raw_fd(), - buf.as_mut_ptr() as *mut c_void, + buf.as_mut_ptr().cast(), buf.len() as size_t, offset, ) @@ -139,8 +149,7 @@ pub fn pread<Fd: AsFd>(fd: Fd, buf: &mut [u8], offset: off_t) -> Result<usize> { /// therefore not represented in Rust by an actual slice as `IoSlice` is. It /// is used with [`process_vm_readv`](fn.process_vm_readv.html) /// and [`process_vm_writev`](fn.process_vm_writev.html). -#[cfg(any(target_os = "linux", target_os = "android"))] -#[cfg_attr(docsrs, doc(cfg(all())))] +#[cfg(linux_android)] #[repr(C)] #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)] pub struct RemoteIoVec { @@ -173,7 +182,7 @@ feature! { /// [ptrace]: ../ptrace/index.html /// [`IoSlice`]: https://doc.rust-lang.org/std/io/struct.IoSlice.html /// [`RemoteIoVec`]: struct.RemoteIoVec.html -#[cfg(all(any(target_os = "linux", target_os = "android"), not(target_env = "uclibc")))] +#[cfg(all(linux_android, not(target_env = "uclibc")))] pub fn process_vm_writev( pid: crate::unistd::Pid, local_iov: &[IoSlice<'_>], @@ -181,8 +190,8 @@ pub fn process_vm_writev( { let res = unsafe { libc::process_vm_writev(pid.into(), - local_iov.as_ptr() as *const libc::iovec, local_iov.len() as libc::c_ulong, - remote_iov.as_ptr() as *const libc::iovec, remote_iov.len() as libc::c_ulong, 0) + local_iov.as_ptr().cast(), local_iov.len() as libc::c_ulong, + remote_iov.as_ptr().cast(), remote_iov.len() as libc::c_ulong, 0) }; Errno::result(res).map(|r| r as usize) @@ -208,7 +217,7 @@ pub fn process_vm_writev( /// [`ptrace`]: ../ptrace/index.html /// [`IoSliceMut`]: https://doc.rust-lang.org/std/io/struct.IoSliceMut.html /// [`RemoteIoVec`]: struct.RemoteIoVec.html -#[cfg(all(any(target_os = "linux", target_os = "android"), not(target_env = "uclibc")))] +#[cfg(all(linux_android, not(target_env = "uclibc")))] pub fn process_vm_readv( pid: crate::unistd::Pid, local_iov: &mut [IoSliceMut<'_>], @@ -216,8 +225,8 @@ pub fn process_vm_readv( { let res = unsafe { libc::process_vm_readv(pid.into(), - local_iov.as_ptr() as *const libc::iovec, local_iov.len() as libc::c_ulong, - remote_iov.as_ptr() as *const libc::iovec, remote_iov.len() as libc::c_ulong, 0) + local_iov.as_ptr().cast(), local_iov.len() as libc::c_ulong, + remote_iov.as_ptr().cast(), remote_iov.len() as libc::c_ulong, 0) }; Errno::result(res).map(|r| r as usize) |