Use Bool (1 byte) for IPV6_V6ONLY on Windows

Thomasdezeeuw · Thomasdezeeuw · commit 4ea1f2cc2f0a · 2025-07-02T22:24:08.000+02:00
Closes #564
diff --git a/src/socket.rs b/src/socket.rs
@@ -1935,7 +1935,7 @@ impl Socket {
     /// [`set_only_v6`]: Socket::set_only_v6
     pub fn only_v6(&self) -> io::Result<bool> {
         unsafe {
-            getsockopt::<c_int>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)
+            getsockopt::<Bool>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)
                 .map(|only_v6| only_v6 != 0)
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -1935,7 +1935,7 @@ impl Socket {`
`1935`	`1935`	/// [`set_only_v6`]: Socket::set_only_v6
`1936`	`1936`	`pub fn only_v6(&self) -> io::Result<bool> {`
`1937`	`1937`	`unsafe {`
`1938`		`- getsockopt::<c_int>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)`
	`1938`	`+ getsockopt::<Bool>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)`
`1939`	`1939`	`.map(\|only_v6\| only_v6 != 0)`
`1940`	`1940`	`}`
`1941`	`1941`	`}`