Suppress af_alg_iv "deprecation"

See rust-lang/libc#1501 in which this type's trait implementations are being removed; the change is being announced via this deprecation.
nix-rust · Nov 15, 2020 · 328530f · 328530f
1 parent 5d2a8c2
commit 328530f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/sys/socket/mod.rs b/src/sys/socket/mod.rs
@@ -847,12 +847,13 @@ impl<'a> ControlMessage<'a> {
             }
             #[cfg(any(target_os = "android", target_os = "linux"))]
             ControlMessage::AlgSetIv(iv) => {
+                #[allow(deprecated)] // https://github.com/rust-lang/libc/issues/1501
                 let af_alg_iv = libc::af_alg_iv {
                     ivlen: iv.len() as u32,
                     iv: [0u8; 0],
                 };
 
-                let size = mem::size_of::<libc::af_alg_iv>();
+                let size = mem::size_of_val(&af_alg_iv);
 
                 unsafe {
                     ptr::copy_nonoverlapping(
@@ -915,7 +916,7 @@ impl<'a> ControlMessage<'a> {
             }
             #[cfg(any(target_os = "android", target_os = "linux"))]
             ControlMessage::AlgSetIv(iv) => {
-                mem::size_of::<libc::af_alg_iv>() + iv.len()
+                mem::size_of_val(&iv) + iv.len()
             },
             #[cfg(any(target_os = "android", target_os = "linux"))]
             ControlMessage::AlgSetOp(op) => {