Skip to content

Reduce scope of unsafe block in sun_path_offset #49315

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Mar 25, 2018
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 5 additions & 7 deletions src/libstd/sys/unix/ext/net.rs
Original file line number Diff line number Diff line change
Expand Up @@ -51,13 +51,11 @@ use libc::MSG_NOSIGNAL;
const MSG_NOSIGNAL: libc::c_int = 0x0;

fn sun_path_offset() -> usize {
unsafe {
// Work with an actual instance of the type since using a null pointer is UB
let addr: libc::sockaddr_un = mem::uninitialized();
let base = &addr as *const _ as usize;
let path = &addr.sun_path as *const _ as usize;
path - base
}
// Work with an actual instance of the type since using a null pointer is UB
let addr: libc::sockaddr_un = unsafe { mem::uninitialized() };
let base = &addr as *const _ as usize;
let path = &addr.sun_path as *const _ as usize;
path - base
}

unsafe fn sockaddr_un(path: &Path) -> io::Result<(libc::sockaddr_un, libc::socklen_t)> {
Expand Down