Use fstatat() in DirEntry::metadata on Apple platforms

Author: jesseschalken

library/std/src/sys/fs/unix.rs

@@ -14,9 +14,10 @@ use libc::c_char;
     target_os = "fuchsia",
     target_os = "hurd",
     target_os = "illumos",
+    target_vendor = "apple",
 ))]
 use libc::dirfd;
-#[cfg(any(target_os = "fuchsia", target_os = "illumos"))]
+#[cfg(any(target_os = "fuchsia", target_os = "illumos", target_vendor = "apple")]
 use libc::fstatat as fstatat64;
 #[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "hurd"))]
 use libc::fstatat64;
@@ -907,6 +908,7 @@ impl DirEntry {
             target_os = "fuchsia",
             target_os = "hurd",
             target_os = "illumos",
+            target_vendor = "apple",
         ),
         not(miri) // no dirfd on Miri
     ))]
@@ -937,6 +939,7 @@ impl DirEntry {
             target_os = "fuchsia",
             target_os = "hurd",
             target_os = "illumos",
+            target_vendor = "apple",
         )),
         miri
     ))]