diff options
| -rw-r--r-- | src/bootstrap/lib.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 5c78015e560..0ac856479f8 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -368,6 +368,10 @@ impl Build { // https://github.com/rust-lang/rust/blob/a8a33cf27166d3eabaffc58ed3799e054af3b0c6/src/bootstrap/bootstrap.py#L796-L797 let is_sudo = match env::var_os("SUDO_USER") { Some(_sudo_user) => { + // SAFETY: getuid() system call is always successful and no return value is reserved + // to indicate an error. + // + // For more context, see https://man7.org/linux/man-pages/man2/geteuid.2.html let uid = unsafe { libc::getuid() }; uid == 0 } |