From e097c83c83ac3be81041a67f8d641650045502fb Mon Sep 17 00:00:00 2001
From: rubidium42 <rubidium@openttd.org>
Date: Fri, 30 Apr 2021 19:21:02 +0200
Subject: [PATCH] Codechange: move some OS abstraction method implementations
 out of the header

---
 src/network/core/os_abstraction.cpp | 49 ++++++++++++++++++++++++++
 src/network/core/os_abstraction.h   | 53 ++---------------------------
 2 files changed, 52 insertions(+), 50 deletions(-)

diff --git a/src/network/core/os_abstraction.cpp b/src/network/core/os_abstraction.cpp
index 75f2224eb0dfa..b2d3475d01994 100644
--- a/src/network/core/os_abstraction.cpp
+++ b/src/network/core/os_abstraction.cpp
@@ -123,3 +123,52 @@ bool NetworkError::HasError() const
 	return NetworkError(errno);
 #endif
 }
+
+
+/**
+ * Try to set the socket into non-blocking mode.
+ * @param d The socket to set the non-blocking more for.
+ * @return True if setting the non-blocking mode succeeded, otherwise false.
+ */
+bool SetNonBlocking(SOCKET d)
+{
+#if defined(_WIN32)
+	u_long nonblocking = 1;
+	return ioctlsocket(d, FIONBIO, &nonblocking) == 0;
+#elif defined __EMSCRIPTEN__
+	return true;
+#else
+	int nonblocking = 1;
+	return ioctl(d, FIONBIO, &nonblocking) == 0;
+#endif
+}
+
+/**
+ * Try to set the socket to not delay sending.
+ * @param d The socket to disable the delaying for.
+ * @return True if disabling the delaying succeeded, otherwise false.
+ */
+bool SetNoDelay(SOCKET d)
+{
+#ifdef __EMSCRIPTEN__
+	return true;
+#else
+	int flags = 1;
+	/* The (const char*) cast is needed for windows */
+	return setsockopt(d, IPPROTO_TCP, TCP_NODELAY, (const char *)&flags, sizeof(flags)) == 0;
+#endif
+}
+
+/**
+ * Get the error from a socket, if any.
+ * @param d The socket to get the error from.
+ * @return The errno on the socket.
+ */
+NetworkError GetSocketError(SOCKET d)
+{
+	int err;
+	socklen_t len = sizeof(err);
+	getsockopt(d, SOL_SOCKET, SO_ERROR, (char *)&err, &len);
+
+	return NetworkError(err);
+}
diff --git a/src/network/core/os_abstraction.h b/src/network/core/os_abstraction.h
index e444bc78b4c1c..55d733501758f 100644
--- a/src/network/core/os_abstraction.h
+++ b/src/network/core/os_abstraction.h
@@ -66,7 +66,6 @@ typedef unsigned long in_addr_t;
 #	endif
 #	define SOCKET int
 #	define INVALID_SOCKET -1
-#	define ioctlsocket ioctl
 #	define closesocket close
 /* Need this for FIONREAD on solaris */
 #	define BSD_COMP
@@ -115,7 +114,6 @@ typedef unsigned long in_addr_t;
 #if defined(__OS2__)
 #	define SOCKET int
 #	define INVALID_SOCKET -1
-#	define ioctlsocket ioctl
 #	define closesocket close
 
 /* Includes needed for OS/2 systems */
@@ -188,55 +186,10 @@ static inline socklen_t FixAddrLenForEmscripten(struct sockaddr_storage &address
 }
 #endif
 
-/**
- * Try to set the socket into non-blocking mode.
- * @param d The socket to set the non-blocking more for.
- * @return True if setting the non-blocking mode succeeded, otherwise false.
- */
-static inline bool SetNonBlocking(SOCKET d)
-{
-#ifdef __EMSCRIPTEN__
-	return true;
-#else
-#	ifdef _WIN32
-	u_long nonblocking = 1;
-#	else
-	int nonblocking = 1;
-#	endif
-	return ioctlsocket(d, FIONBIO, &nonblocking) == 0;
-#endif
-}
 
-/**
- * Try to set the socket to not delay sending.
- * @param d The socket to disable the delaying for.
- * @return True if disabling the delaying succeeded, otherwise false.
- */
-static inline bool SetNoDelay(SOCKET d)
-{
-#ifdef __EMSCRIPTEN__
-	return true;
-#else
-	/* XXX should this be done at all? */
-	int b = 1;
-	/* The (const char*) cast is needed for windows */
-	return setsockopt(d, IPPROTO_TCP, TCP_NODELAY, (const char*)&b, sizeof(b)) == 0;
-#endif
-}
-
-/**
- * Get the error from a socket, if any.
- * @param d The socket to get the error from.
- * @return The errno on the socket.
- */
-static inline NetworkError GetSocketError(SOCKET d)
-{
-	int err;
-	socklen_t len = sizeof(err);
-	getsockopt(d, SOL_SOCKET, SO_ERROR, (char *)&err, &len);
-
-	return NetworkError(err);
-}
+bool SetNonBlocking(SOCKET d);
+bool SetNoDelay(SOCKET d);
+NetworkError GetSocketError(SOCKET d);
 
 /* Make sure these structures have the size we expect them to be */
 static_assert(sizeof(in_addr)  ==  4); ///< IPv4 addresses should be 4 bytes.