From 949580110f403ebf51b5c8af40c528bb0adeb276 Mon Sep 17 00:00:00 2001
From: oech3 <79379754+oech3@users.noreply.github.com>
Date: Sun, 17 May 2026 11:24:29 +0900
Subject: [PATCH] remove 1 unsafe

---
 Cargo.lock                | 2 +-
 Cargo.toml                | 3 ++-
 tests/by-util/test_tar.rs | 5 +----
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 5924501..851cb0a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1303,13 +1303,13 @@ dependencies = [
  "clap_complete",
  "clap_mangen",
  "ctor 1.0.5",
- "libc",
  "phf",
  "phf_codegen",
  "pretty_assertions",
  "rand",
  "regex",
  "rlimit",
+ "rustix",
  "tar",
  "tempfile",
  "textwrap",
diff --git a/Cargo.toml b/Cargo.toml
index 735edca..a36b0e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,6 +43,7 @@ phf = "0.13.0"
 phf_codegen = "0.13.0"
 rand = { version = "0.10.0" }
 regex = "1.10.4"
+rustix = "1.1.4"
 tar = "0.4"
 tempfile = "3.10.1"
 textwrap = { version = "0.16.1", features = ["terminal_size"] }
@@ -67,10 +68,10 @@ tar = { optional = true, version = "0.0.1", package = "uu_tar", path = "src/uu/t
 
 [dev-dependencies]
 chrono = { workspace = true }
-libc = { workspace = true }
 pretty_assertions = "1"
 rand = { workspace = true }
 regex = { workspace = true }
+rustix = { workspace = true, features = ["process"] }
 tar-rs-crate = { version = "0.4", package = "tar" }
 tempfile = { workspace = true }
 uucore = { workspace = true, features = ["entries", "process", "signals"] }
diff --git a/tests/by-util/test_tar.rs b/tests/by-util/test_tar.rs
index 6b8e506..51395a3 100644
--- a/tests/by-util/test_tar.rs
+++ b/tests/by-util/test_tar.rs
@@ -347,10 +347,7 @@ fn test_roundtrip_empty_files() {
 #[test]
 #[cfg(unix)]
 fn test_create_permission_denied() {
-    // SAFETY: `libc::geteuid()` is a pure function that returns the effective
-    // user ID of the calling process. It has no side effects and cannot cause
-    // undefined behavior.
-    if unsafe { libc::geteuid() } == 0 {
+    if rustix::process::geteuid().is_root() {
         eprintln!("skipping: running as root");
         return;
     }