Update to rustix 0.38 and update MSRV to 1.63

Cargo.toml

@@ -9,7 +9,7 @@ authors = [
 ]
 documentation = "https://docs.rs/tempfile"
 edition = "2018"
-rust-version = "1.48"
+rust-version = "1.63"
 homepage = "https://stebalien.com/projects/tempfile-rs/"
 keywords = ["tempfile", "tmpfile", "filesystem"]
 license = "MIT OR Apache-2.0"
@@ -21,7 +21,7 @@ cfg-if = "1"
 fastrand = "2.0.0"
 
 [target.'cfg(any(unix, target_os = "wasi"))'.dependencies]
-rustix = { version = "0.37.11", features = ["fs"] }
+rustix = { version = "0.38", features = ["fs"] }
 
 [target.'cfg(windows)'.dependencies.windows-sys]
 version = "0.48"

src/file/imp/unix.rs

@@ -14,7 +14,7 @@ use crate::util;
 use std::path::Path;
 
 #[cfg(not(target_os = "redox"))]
-use rustix::fs::{cwd, linkat, renameat, unlinkat, AtFlags};
+use rustix::fs::{CWD, linkat, renameat, unlinkat, AtFlags};
 
 pub fn create_named(path: &Path, open_options: &mut OpenOptions) -> io::Result<File> {
     open_options.read(true).write(true).create_new(true);
@@ -103,7 +103,7 @@ pub fn reopen(_file: &File, _path: &Path) -> io::Result<File> {
 #[cfg(not(target_os = "redox"))]
 pub fn persist(old_path: &Path, new_path: &Path, overwrite: bool) -> io::Result<()> {
     if overwrite {
-        renameat(cwd(), old_path, cwd(), new_path)?;
+        renameat(CWD, old_path, CWD, new_path)?;
     } else {
         // On Linux, use `renameat_with` to avoid overwriting an existing name,
         // if the kernel and the filesystem support it.
@@ -115,7 +115,7 @@ pub fn persist(old_path: &Path, new_path: &Path, overwrite: bool) -> io::Result<
 
             static NOSYS: AtomicBool = AtomicBool::new(false);
             if !NOSYS.load(Relaxed) {
-                match renameat_with(cwd(), old_path, cwd(), new_path, RenameFlags::NOREPLACE) {
+                match renameat_with(CWD, old_path, CWD, new_path, RenameFlags::NOREPLACE) {
                     Ok(()) => return Ok(()),
                     Err(Errno::NOSYS) => NOSYS.store(true, Relaxed),
                     Err(Errno::INVAL) => {}
@@ -127,9 +127,9 @@ pub fn persist(old_path: &Path, new_path: &Path, overwrite: bool) -> io::Result<
         // Otherwise use `linkat` to create the new filesystem name, which
         // will fail if the name already exists, and then `unlinkat` to remove
         // the old name.
-        linkat(cwd(), old_path, cwd(), new_path, AtFlags::empty())?;
+        linkat(CWD, old_path, CWD, new_path, AtFlags::empty())?;
         // Ignore unlink errors. Can we do better?
-        let _ = unlinkat(cwd(), old_path, AtFlags::empty());
+        let _ = unlinkat(CWD, old_path, AtFlags::empty());
     }
     Ok(())
 }