Merge #1854

1854: Reformat everything r=rtzoeller a=SUPERCILEX

Unfortunately, #1748 didn't do the trick because of rust-lang/rustfmt#3253. This PR fully enforces global formatting.

Closes #770

Co-authored-by: Alex Saveau <saveau.alexandre@gmail.com>

Author: bors[bot]

.cirrus.yml

@@ -315,4 +315,4 @@ task:
   container:
     image: rust:latest
   setup_script: rustup +$TOOLCHAIN component add rustfmt
-  test_script: $TOOL +$TOOLCHAIN fmt --all -- --check
+  test_script: $TOOL +$TOOLCHAIN fmt --all -- --check **/*.rs

src/dir.rs

@@ -1,13 +1,13 @@
 //! List directory contents
 
-use crate::{Error, NixPath, Result};
 use crate::errno::Errno;
 use crate::fcntl::{self, OFlag};
-use std::os::unix::io::{AsRawFd, IntoRawFd, RawFd};
-use std::ptr;
-use std::ffi;
 use crate::sys;
+use crate::{Error, NixPath, Result};
 use cfg_if::cfg_if;
+use std::ffi;
+use std::os::unix::io::{AsRawFd, IntoRawFd, RawFd};
+use std::ptr;
 
 #[cfg(target_os = "linux")]
 use libc::{dirent64 as dirent, readdir64_r as readdir_r};
@@ -29,21 +29,26 @@ use libc::{dirent, readdir_r};
 ///    * returns entries' names as a `CStr` (no allocation or conversion beyond whatever libc
 ///      does).
 #[derive(Debug, Eq, Hash, PartialEq)]
-pub struct Dir(
-    ptr::NonNull<libc::DIR>
-);
+pub struct Dir(ptr::NonNull<libc::DIR>);
 
 impl Dir {
     /// Opens the given path as with `fcntl::open`.
-    pub fn open<P: ?Sized + NixPath>(path: &P, oflag: OFlag,
-                                     mode: sys::stat::Mode) -> Result<Self> {
+    pub fn open<P: ?Sized + NixPath>(
+        path: &P,
+        oflag: OFlag,
+        mode: sys::stat::Mode,
+    ) -> Result<Self> {
         let fd = fcntl::open(path, oflag, mode)?;
         Dir::from_fd(fd)
     }
 
     /// Opens the given path as with `fcntl::openat`.
-    pub fn openat<P: ?Sized + NixPath>(dirfd: RawFd, path: &P, oflag: OFlag,
-                                       mode: sys::stat::Mode) -> Result<Self> {
+    pub fn openat<P: ?Sized + NixPath>(
+        dirfd: RawFd,
+        path: &P,
+        oflag: OFlag,
+        mode: sys::stat::Mode,
+    ) -> Result<Self> {
         let fd = fcntl::openat(dirfd, path, oflag, mode)?;
         Dir::from_fd(fd)
     }
@@ -57,11 +62,13 @@ impl Dir {
     /// Converts from a file descriptor, closing it on success or failure.
     #[doc(alias("fdopendir"))]
     pub fn from_fd(fd: RawFd) -> Result<Self> {
-        let d = ptr::NonNull::new(unsafe { libc::fdopendir(fd) }).ok_or_else(|| {
-            let e = Error::last();
-            unsafe { libc::close(fd) };
-            e
-        })?;
+        let d = ptr::NonNull::new(unsafe { libc::fdopendir(fd) }).ok_or_else(
+            || {
+                let e = Error::last();
+                unsafe { libc::close(fd) };
+                e
+            },
+        )?;
         Ok(Dir(d))
     }
 
@@ -103,9 +110,11 @@ fn next(dir: &mut Dir) -> Option<Result<Entry>> {
         // Probably fine here too then.
         let mut ent = std::mem::MaybeUninit::<dirent>::uninit();
         let mut result = ptr::null_mut();
-        if let Err(e) = Errno::result(
-            readdir_r(dir.0.as_ptr(), ent.as_mut_ptr(), &mut result))
-        {
+        if let Err(e) = Errno::result(readdir_r(
+            dir.0.as_ptr(),
+            ent.as_mut_ptr(),
+            &mut result,
+        )) {
             return Some(Err(e));
         }
         if result.is_null() {
@@ -207,7 +216,7 @@ pub enum Type {
 
 impl Entry {
     /// Returns the inode number (`d_ino`) of the underlying `dirent`.
-    #[allow(clippy::useless_conversion)]    // Not useless on all OSes
+    #[allow(clippy::useless_conversion)] // Not useless on all OSes
     // The cast is not unnecessary on all platforms.
     #[allow(clippy::unnecessary_cast)]
     pub fn ino(&self) -> u64 {
@@ -240,7 +249,11 @@ impl Entry {
     /// notably, some Linux filesystems don't implement this. The caller should use `stat` or
     /// `fstat` if this returns `None`.
     pub fn file_type(&self) -> Option<Type> {
-        #[cfg(not(any(target_os = "illumos", target_os = "solaris", target_os = "haiku")))]
+        #[cfg(not(any(
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "haiku"
+        )))]
         match self.0.d_type {
             libc::DT_FIFO => Some(Type::Fifo),
             libc::DT_CHR => Some(Type::CharacterDevice),
@@ -253,7 +266,11 @@ impl Entry {
         }
 
         // illumos, Solaris, and Haiku systems do not have the d_type member at all:
-        #[cfg(any(target_os = "illumos", target_os = "solaris", target_os = "haiku"))]
+        #[cfg(any(
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "haiku"
+        ))]
         None
     }
 }

src/features.rs

@@ -3,20 +3,20 @@ pub use self::os::*;
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
 mod os {
-    use std::os::unix::ffi::OsStrExt;
     use crate::sys::utsname::uname;
     use crate::Result;
+    use std::os::unix::ffi::OsStrExt;
 
     // Features:
     // * atomic cloexec on socket: 2.6.27
     // * pipe2: 2.6.27
     // * accept4: 2.6.28
 
     static VERS_UNKNOWN: usize = 1;
-    static VERS_2_6_18:  usize = 2;
-    static VERS_2_6_27:  usize = 3;
-    static VERS_2_6_28:  usize = 4;
-    static VERS_3:       usize = 5;
+    static VERS_2_6_18: usize = 2;
+    static VERS_2_6_27: usize = 3;
+    static VERS_2_6_28: usize = 4;
+    static VERS_3: usize = 5;
 
     #[inline]
     fn digit(dst: &mut usize, b: u8) {
@@ -27,7 +27,7 @@ mod os {
     fn parse_kernel_version() -> Result<usize> {
         let u = uname()?;
 
-        let mut curr:  usize = 0;
+        let mut curr: usize = 0;
         let mut major: usize = 0;
         let mut minor: usize = 0;
         let mut patch: usize = 0;
@@ -41,13 +41,11 @@ mod os {
                 b'.' | b'-' => {
                     curr += 1;
                 }
-                b'0'..=b'9' => {
-                    match curr {
-                        0 => digit(&mut major, b),
-                        1 => digit(&mut minor, b),
-                        _ => digit(&mut patch, b),
-                    }
-                }
+                b'0'..=b'9' => match curr {
+                    0 => digit(&mut major, b),
+                    1 => digit(&mut minor, b),
+                    _ => digit(&mut patch, b),
+                },
                 _ => break,
             }
         }
@@ -87,7 +85,9 @@ mod os {
 
     /// Check if the OS supports atomic close-on-exec for sockets
     pub fn socket_atomic_cloexec() -> bool {
-        kernel_version().map(|version| version >= VERS_2_6_27).unwrap_or(false)
+        kernel_version()
+            .map(|version| version >= VERS_2_6_27)
+            .unwrap_or(false)
     }
 
     #[test]
@@ -111,11 +111,13 @@ mod os {
     }
 }
 
-#[cfg(any(target_os = "macos",
-          target_os = "ios",
-          target_os = "fuchsia",
-          target_os = "haiku",
-          target_os = "solaris"))]
+#[cfg(any(
+    target_os = "macos",
+    target_os = "ios",
+    target_os = "fuchsia",
+    target_os = "haiku",
+    target_os = "solaris"
+))]
 mod os {
     /// Check if the OS supports atomic close-on-exec for sockets
     pub const fn socket_atomic_cloexec() -> bool {

src/ifaddrs.rs

@@ -9,9 +9,9 @@ use std::iter::Iterator;
 use std::mem;
 use std::option::Option;
 
-use crate::{Result, Errno};
-use crate::sys::socket::{SockaddrLike, SockaddrStorage};
 use crate::net::if_::*;
+use crate::sys::socket::{SockaddrLike, SockaddrStorage};
+use crate::{Errno, Result};
 
 /// Describes a single address for an interface as returned by `getifaddrs`.
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
@@ -47,7 +47,8 @@ impl InterfaceAddress {
     fn from_libc_ifaddrs(info: &libc::ifaddrs) -> InterfaceAddress {
         let ifname = unsafe { ffi::CStr::from_ptr(info.ifa_name) };
         let address = unsafe { SockaddrStorage::from_raw(info.ifa_addr, None) };
-        let netmask = unsafe { SockaddrStorage::from_raw(info.ifa_netmask, None) };
+        let netmask =
+            unsafe { SockaddrStorage::from_raw(info.ifa_netmask, None) };
         let mut addr = InterfaceAddress {
             interface_name: ifname.to_string_lossy().to_string(),
             flags: InterfaceFlags::from_bits_truncate(info.ifa_flags as i32),

src/kmod.rs

@@ -79,7 +79,11 @@ libc_bitflags!(
 /// ```
 ///
 /// See [`man init_module(2)`](https://man7.org/linux/man-pages/man2/init_module.2.html) for more information.
-pub fn finit_module<T: AsRawFd>(fd: &T, param_values: &CStr, flags: ModuleInitFlags) -> Result<()> {
+pub fn finit_module<T: AsRawFd>(
+    fd: &T,
+    param_values: &CStr,
+    flags: ModuleInitFlags,
+) -> Result<()> {
     let res = unsafe {
         libc::syscall(
             libc::SYS_finit_module,
@@ -116,7 +120,9 @@ libc_bitflags!(
 ///
 /// See [`man delete_module(2)`](https://man7.org/linux/man-pages/man2/delete_module.2.html) for more information.
 pub fn delete_module(name: &CStr, flags: DeleteModuleFlags) -> Result<()> {
-    let res = unsafe { libc::syscall(libc::SYS_delete_module, name.as_ptr(), flags.bits()) };
+    let res = unsafe {
+        libc::syscall(libc::SYS_delete_module, name.as_ptr(), flags.bits())
+    };
 
     Errno::result(res).map(drop)
 }