From d6ba60220dadabe552f9f7dc2b4fc34b51cf4d32 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 15 Jan 2023 00:31:22 +0200
Subject: [PATCH] Add some useful factory functions to InetAddr and Inet6Addr

---
 source/net/inet.cpp  | 16 ++++++++++++++++
 source/net/inet.h    |  3 +++
 source/net/inet6.cpp | 15 +++++++++++++++
 source/net/inet6.h   |  3 +++
 4 files changed, 37 insertions(+)

diff --git a/source/net/inet.cpp b/source/net/inet.cpp
index f44b1c0..17546e8 100644
--- a/source/net/inet.cpp
+++ b/source/net/inet.cpp
@@ -16,6 +16,22 @@ InetAddr::InetAddr(const SysAddr &sa)
 	port = ntohs(sai.sin_port);
 }
 
+InetAddr InetAddr::wildcard(unsigned port)
+{
+	InetAddr addr;
+	addr.port = port;
+	return addr;
+}
+
+InetAddr InetAddr::localhost(unsigned port)
+{
+	InetAddr addr;
+	addr.addr[0] = 127;
+	addr.addr[3] = 1;
+	addr.port = port;
+	return addr;
+}
+
 SockAddr::SysAddr InetAddr::to_sys() const
 {
 	SysAddr sa;
diff --git a/source/net/inet.h b/source/net/inet.h
index fb76d7e..d970559 100644
--- a/source/net/inet.h
+++ b/source/net/inet.h
@@ -20,6 +20,9 @@ public:
 	InetAddr() = default;
 	InetAddr(const SysAddr &);
 
+	static InetAddr wildcard(unsigned);
+	static InetAddr localhost(unsigned);
+
 	InetAddr *copy() const override { return new InetAddr(*this); }
 
 	SysAddr to_sys() const override;
diff --git a/source/net/inet6.cpp b/source/net/inet6.cpp
index da584d4..1b8fc39 100644
--- a/source/net/inet6.cpp
+++ b/source/net/inet6.cpp
@@ -16,6 +16,21 @@ Inet6Addr::Inet6Addr(const SysAddr &sa)
 	port = htons(sai6.sin6_port);
 }
 
+Inet6Addr Inet6Addr::wildcard(unsigned port)
+{
+	Inet6Addr addr;
+	addr.port = port;
+	return addr;
+}
+
+Inet6Addr Inet6Addr::localhost(unsigned port)
+{
+	Inet6Addr addr;
+	addr.addr[15] = 1;
+	addr.port = port;
+	return addr;
+}
+
 SockAddr::SysAddr Inet6Addr::to_sys() const
 {
 	SysAddr sa;
diff --git a/source/net/inet6.h b/source/net/inet6.h
index 38cba33..f6b0cf4 100644
--- a/source/net/inet6.h
+++ b/source/net/inet6.h
@@ -17,6 +17,9 @@ public:
 	Inet6Addr() = default;
 	Inet6Addr(const SysAddr &);
 
+	static Inet6Addr wildcard(unsigned);
+	static Inet6Addr localhost(unsigned);
+
 	Inet6Addr *copy() const override { return new Inet6Addr(*this); }
 
 	SysAddr to_sys() const override;
-- 
2.43.0