@@ -19,11 +19,13 @@
 #include <errno.h>
 
 #include <fcntl.h>
 #include <unistd.h>
 
-#ifdef __wii__
+#include "platform.h"
+
+#ifdef OF_WII
 # define BOOL OGC_BOOL
 # include <fat.h>
 # undef BOOL
 #endif
 
@@ -42,11 +44,11 @@
 #import "OFOutOfRangeException.h"
 #import "OFReadFailedException.h"
 #import "OFSeekFailedException.h"
 #import "OFWriteFailedException.h"
 
-#ifdef _WIN32
+#ifdef OF_WINDOWS
 # include <windows.h>
 #endif
 
 #ifndef O_BINARY
 # define O_BINARY 0
@@ -114,11 +116,11 @@
 + (void)initialize
 {
 	if (self != [OFFile class])
 		return;
 
-#ifdef __wii__
+#ifdef OF_WII
 	if (!fatInitDefault())
 		@throw [OFInitializationFailedException
 		    exceptionWithClass: self];
 #endif
 
@@ -158,11 +160,11 @@
 		if ((flags = parseMode([mode UTF8String])) == -1)
 			@throw [OFInvalidArgumentException exception];
 
 		flags |= O_CLOEXEC;
 
-#if defined(_WIN32)
+#if defined(OF_WINDOWS)
 		if ((_fd = _wopen([path UTF16String], flags,
 		    DEFAULT_MODE)) == -1)
 #elif defined(OF_HAVE_OFF64_T)
 		if ((_fd = open64([path cStringWithEncoding: [OFSystemInfo
 		    native8BitEncoding]], flags, DEFAULT_MODE)) == -1)
@@ -206,11 +208,11 @@
 
 	if (_fd == -1 || _atEndOfStream)
 		@throw [OFReadFailedException exceptionWithObject: self
 						  requestedLength: length];
 
-#ifndef _WIN32
+#ifndef OF_WINDOWS
 	if ((ret = read(_fd, buffer, length)) < 0)
 		@throw [OFReadFailedException exceptionWithObject: self
 						  requestedLength: length
 							    errNo: errno];
 #else
@@ -234,11 +236,11 @@
 {
 	if (_fd == -1 || _atEndOfStream)
 		@throw [OFWriteFailedException exceptionWithObject: self
 						   requestedLength: length];
 
-#ifndef _WIN32
+#ifndef OF_WINDOWS
 	if (length > SSIZE_MAX)
 		@throw [OFOutOfRangeException exception];
 
 	if (write(_fd, buffer, length) != (ssize_t)length)
 		@throw [OFWriteFailedException exceptionWithObject: self
@@ -256,11 +258,11 @@
 }
 
 - (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset
 			     whence: (int)whence
 {
-#if defined(_WIN32)
+#if defined(OF_WINDOWS)
 	of_offset_t ret = _lseeki64(_fd, offset, whence);
 #elif defined(OF_HAVE_OFF64_T)
 	of_offset_t ret = lseek64(_fd, offset, whence);
 #else
 	of_offset_t ret = lseek(_fd, offset, whence);