fix only_v6() panic on windows

zh-jq · zh-jq · commit f5602acfbd65 · 2025-07-06T20:56:12.000+08:00
The get optlen is also 1 like tcp_nodelay()
diff --git a/src/socket.rs b/src/socket.rs
@@ -1933,7 +1933,7 @@ 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
`@@ -1933,7 +1933,7 @@ impl Socket {`
`1933`	`1933`	/// [`set_only_v6`]: Socket::set_only_v6
`1934`	`1934`	`pub fn only_v6(&self) -> io::Result<bool> {`
`1935`	`1935`	`unsafe {`
`1936`		`- getsockopt::<c_int>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)`
	`1936`	`+ getsockopt::<Bool>(self.as_raw(), sys::IPPROTO_IPV6, sys::IPV6_V6ONLY)`
`1937`	`1937`	`.map(\|only_v6\| only_v6 != 0)`
`1938`	`1938`	`}`
`1939`	`1939`	`}`