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add SAFETY block on usage of unsafe getuid

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Signed-off-by: onur-ozkan <work@onurozkan.dev>
This commit is contained in:
onur-ozkan 2023-10-09 21:43:33 +03:00
parent 1e3c8f196b
commit 86e9b0f0d4
1 changed files with 4 additions and 0 deletions
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4
src/bootstrap/lib.rs
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@ -368,6 +368,10 @@ impl Build {
// https://github.com/rust-lang/rust/blob/a8a33cf27166d3eabaffc58ed3799e054af3b0c6/src/bootstrap/bootstrap.py#L796-L797 // https://github.com/rust-lang/rust/blob/a8a33cf27166d3eabaffc58ed3799e054af3b0c6/src/bootstrap/bootstrap.py#L796-L797
let is_sudo = match env::var_os("SUDO_USER") { let is_sudo = match env::var_os("SUDO_USER") {
Some(_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() }; let uid = unsafe { libc::getuid() };
uid == 0 uid == 0
} }