prepare unification of more sys/win32/ and sys/posix/ stuff

because the code is almost the same anyway, so
* add win32 support to sys/posix/posix_signin.cpp
* add posix support to sys/win32/win_savegame.cpp

neo/sys/posix/posix_session_local.cpp

@@ -402,10 +402,13 @@ void idSessionLocalWin::Connect_f( const idCmdArgs& args )
 	lobbyConnectInfo_t connectInfo;
 	
 	Sys_StringToNetAdr( args.Argv( 1 ), &connectInfo.netAddr, true );
+	// DG: don't use net_port to select port to connect to
+	//     the port can be specified in the command, else the default port is used
 	if( connectInfo.netAddr.port == 0 )
 	{
 		connectInfo.netAddr.port = 27015;
 	}
+	// DG end
 	
 	ConnectAndMoveToLobby( GetPartyLobby(), connectInfo, false );
 }

neo/sys/posix/posix_signin.cpp

@@ -31,9 +31,9 @@ If you have questions concerning this license or the applicable additional terms
 #include "../../framework/PlayerProfile.h"
 #include "../sys_session_local.h"
 #include "posix_signin.h"
-
+#ifndef _WIN32
 #include <unistd.h>
-
+#endif
 #ifdef _DEBUG
 idCVar win_userPersistent( "win_userPersistent", "1", CVAR_BOOL, "debugging cvar for profile persistence status" );
 idCVar win_userOnline( "win_userOnline", "1", CVAR_BOOL, "debugging cvar for profile online status" );
@@ -117,7 +117,12 @@ void idSignInManagerWin::RegisterLocalUser( int inputDevice )
 	if( idStr::Length( nameSource ) == 0 )
 	{
 		// ui_name was empty => default to hostname
+#ifdef _WIN32
+		DWORD len = 128;
+		::GetComputerName( machineName, &len );
+#else
 		gethostname( machineName, sizeof( machineName ) );
+#endif
 		nameSource = machineName;
 	}
 	// DG end

neo/sys/win32/win_savegame.cpp

@@ -38,6 +38,11 @@ extern idCVar savegame_error;
 
 #define SAVEGAME_SENTINAL				0x12358932
 
+// RB begin
+#ifndef _WIN32 // DG: unify win32 and posix savegames
+#define ERROR_SUCCESS	0
+#endif
+// RB end
 /*
 ========================
 void Sys_ExecuteSavegameCommandAsync
@@ -176,7 +181,11 @@ int idSaveGameThread::Save()
 		idFile* outputFile = fileSystem->OpenFileWrite( tempFileName, "fs_savePath" );
 		if( outputFile == NULL )
 		{
+#ifdef _WIN32 // DG: unify windows and posix savegames => replace GetLastError with strerror(errno)
 			idLib::Warning( "[%s]: Couldn't open file for writing, %s. Error = %08x", __FUNCTION__, tempFileName.c_str(), GetLastError() );
+#else
+			idLib::Warning( "[%s]: Couldn't open file for writing, %s. Error = %s", __FUNCTION__, tempFileName.c_str(), strerror( errno ) );
+#endif // DG end
 			file->error = true;
 			callback->errorCode = SAVEGAME_E_UNKNOWN;
 			ret = -1;
@@ -194,7 +203,11 @@ int idSaveGameThread::Save()
 			{
 				if( ( size_t )outputFile->Write( block.data, block.bytes ) != block.bytes )
 				{
+#ifdef _WIN32 // DG: unify windows and posix savegames => replace GetLastError with strerror(errno)
 					idLib::Warning( "[%s]: Write failed. Error = %08x", __FUNCTION__, GetLastError() );
+#else
+					idLib::Warning( "[%s]: Write failed. Error = %s", __FUNCTION__, strerror( errno ) );
+#endif // DG end
 					file->error = true;
 					callback->errorCode = SAVEGAME_E_INSUFFICIENT_ROOM;
 					ret = -1;
@@ -214,7 +227,11 @@ int idSaveGameThread::Save()
 					size_t size = outputFile->WriteBig( checksum );
 					if( size != sizeof( checksum ) )
 					{
+#ifdef _WIN32 // DG: unify windows and posix savegames => replace GetLastError with strerror(errno)
 						idLib::Warning( "[%s]: Write failed. Error = %08x", __FUNCTION__, GetLastError() );
+#else
+						idLib::Warning( "[%s]: Write failed. Error = %s", __FUNCTION__, strerror( errno ) );
+#endif // DG end
 						file->error = true;
 						callback->errorCode = SAVEGAME_E_INSUFFICIENT_ROOM;
 						ret = -1;
@@ -225,7 +242,11 @@ int idSaveGameThread::Save()
 			size_t size = outputFile->Write( file->GetDataPtr(), file->Length() );
 			if( size != ( size_t )file->Length() )
 			{
+#ifdef _WIN32 // DG: unify windows and posix savegames => replace GetLastError with strerror(errno)
 				idLib::Warning( "[%s]: Write failed. Error = %08x", __FUNCTION__, GetLastError() );
+#else
+				idLib::Warning( "[%s]: Write failed. Error = %s", __FUNCTION__, strerror( errno ) );
+#endif // DG end
 				file->error = true;
 				callback->errorCode = SAVEGAME_E_INSUFFICIENT_ROOM;
 				ret = -1;
@@ -473,7 +494,7 @@ int idSaveGameThread::Enumerate()
 						ret = -1;
 					}
 				}
-				
+#ifdef _WIN32 // DG: unification of win32 and posix savagame code
 				// Use the date from the directory
 				WIN32_FILE_ATTRIBUTE_DATA attrData;
 				BOOL attrRet = GetFileAttributesEx( file->GetFullPath(), GetFileExInfoStandard, &attrData );
@@ -500,6 +521,11 @@ int idSaveGameThread::Enumerate()
 					itime.QuadPart /= second;
 					details->date = itime.QuadPart;
 				}
+#else
+				// DG: just use the idFile object's timestamp - the windows code gets file attributes and
+				//  other complicated stuff like that.. I'm wonderin what that was good for.. this seems to work.
+				details->date = file->Timestamp();
+#endif // DG end
 			}
 			else
 			{