net/{Allocated,Static}SocketAddress: use IPv[46]Address::SetPort()

src/net/AllocatedSocketAddress.cxx

@@ -29,6 +29,8 @@
 
 #include "config.h"
 #include "AllocatedSocketAddress.hxx"
+#include "IPv4Address.hxx"
+#include "IPv6Address.hxx"
 #include "util/StringView.hxx"
 
 #include <string.h>
@@ -109,15 +111,15 @@ AllocatedSocketAddress::SetPort(unsigned port) noexcept
 	switch (GetFamily()) {
 	case AF_INET:
 		{
-			auto *a = (struct sockaddr_in *)(void *)address;
-			a->sin_port = htons(port);
+			auto &a = *(IPv4Address *)(void *)address;
+			a.SetPort(port);
 			return true;
 		}
 
 	case AF_INET6:
 		{
-			auto *a = (struct sockaddr_in6 *)(void *)address;
-			a->sin6_port = htons(port);
+			auto &a = *(IPv6Address *)(void *)address;
+			a.SetPort(port);
 			return true;
 		}
 	}

src/net/StaticSocketAddress.cxx

@@ -29,6 +29,8 @@
 
 #include "config.h"
 #include "StaticSocketAddress.hxx"
+#include "IPv4Address.hxx"
+#include "IPv6Address.hxx"
 #include "util/StringView.hxx"
 
 #include <algorithm>
@@ -69,15 +71,15 @@ StaticSocketAddress::SetPort(unsigned port) noexcept
 	switch (GetFamily()) {
 	case AF_INET:
 		{
-			auto &a = (struct sockaddr_in &)address;
-			a.sin_port = htons(port);
+			auto &a = *(IPv4Address *)(void *)&address;
+			a.SetPort(port);
 			return true;
 		}
 
 	case AF_INET6:
 		{
-			auto &a = (struct sockaddr_in6 &)address;
-			a.sin6_port = htons(port);
+			auto &a = *(IPv6Address *)(void *)&address;
+			a.SetPort(port);
 			return true;
 		}
 	}