1 files changed, 0 insertions, 33 deletions
diff --git a/src/util.rs b/src/util.rs
deleted file mode 100644
index 245f755..0000000
--- a/src/util.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use std::ffi::{c_char, c_int};
-use std::io;
-
-/// Helper macro to execute a system call that returns an `io::Result`.
-macro_rules! syscall {
-    ($fn: ident ( $($arg: expr),* $(,)* ) ) => {{
-        #[allow(unused_unsafe)]
-        let res = unsafe { libc::$fn($($arg, )*) };
-        if res == -1 {
-            Err(io::Error::last_os_error())
-        } else {
-            Ok(res)
-        }
-    }};
-}
-
-#[allow(clippy::missing_safety_doc)]
-pub unsafe fn setsockopt(
-    fd: c_int,
-    opt: c_int,
-    val: c_int,
-    payload: *const c_char,
-    optlen: c_int,
-) -> io::Result<()> {
-    syscall!(setsockopt(
-        fd,
-        opt,
-        val,
-        payload.cast(),
-        optlen as libc::socklen_t
-    ))
-    .map(|_| ())
-}