upd4

socket.c.v

@@ -13,7 +13,7 @@ fn C.accept(i32, voidptr, voidptr) i32
 fn C.shutdown(i32, i32) i32
 fn C.close(i32) i32
 fn C.setsockopt(i32, i32, i32, voidptr, i32) i32
-fn C.getsockopt(i32, i32, i32, voidptr, i32) i32
+fn C.getsockopt(i32, i32, i32, voidptr, voidptr) i32
 
 struct C.sockaddr_storage {}
 
@@ -25,8 +25,8 @@ pub:
 // Socket.new creates new socket.
 // See [socket(7)](https://www.man7.org/linux/man-pages/man7/socket.7.html) and
 // [socket(3)](https://man7.org/linux/man-pages/man3/socket.3p.html) for details.
-pub fn Socket.new(domain AddrFamily, typ SocketType, protocol Protocol) !Socket {
-	fd := C.socket(i32(domain), i32(typ), i32(protocol))
+pub fn Socket.new(domain AddrFamily, st SocketType, proto Protocol) !Socket {
+	fd := C.socket(i32(domain), i32(st), i32(proto))
 	if fd == -1 {
 		return os.last_error()
 	}
@@ -42,9 +42,9 @@ pub fn (s Socket) type_of() !SocketType {
 
 // Socket shutdown modes. See [shutdown(3p)](https://man7.org/linux/man-pages/man3/shutdown.3p.html) for details.
 pub enum Shutdown {
-	read           = C.SHUT_RD
-	write          = C.SHUT_WR
-	read_and_write = C.SHUT_RDWR
+	read
+	write
+	read_and_write
 }
 
 // connect connects a socket.
@@ -86,16 +86,25 @@ pub fn (s Socket) accept() !(Socket, SocketAddr) {
 	return sock, sock_addr
 }
 
-// set_option sets the socket option.
-pub fn (s Socket) set_option(level SocketLevel, option SocketOption, value int) ! {
-	if C.setsockopt(s.fd, i32(level), i32(option), i32(value), sizeof(value)) == -1 {
+// set_option sets the socket option. See [socket(7)](https://man7.org/linux/man-pages/man7/socket.7.html)
+// and [setsockopt(3p)](https://man7.org/linux/man-pages/man3/setsockopt.3p.html) for details.
+pub fn (s Socket) set_option(level SocketLevel, option SocketOption, value voidptr) ! {
+	if C.setsockopt(s.fd, i32(level), i32(option), value, sizeof(value)) == -1 {
 		return os.last_error()
 	}
 }
 
-// get_option gets the socket option as int.
+// get_option gets the socket option. See [socket(7)](https://man7.org/linux/man-pages/man7/socket.7.html)
+// and [getsockopt(3p)](https://man7.org/linux/man-pages/man3/getsockopt.3p.html) for details.
+pub fn (s Socket) get_option(level SocketLevel, option SocketOption, mut value voidptr, mut size voidptr) ! {
+	if C.getsockopt(s.fd, i32(level), i32(option), value, size) == -1 {
+		return os.last_error()
+	}
+}
+
+// get_option gets the socket option as int. The same as `get_option`, but always returns int.
 pub fn (s Socket) get_option_int(level SocketLevel, option SocketOption) !int {
-	mut result := 0
+	mut result := -1
 	if C.getsockopt(s.fd, i32(level), i32(option), &result, sizeof(result)) == -1 {
 		return os.last_error()
 	}