Index: src/OFStdIOStream.m
==================================================================
--- src/OFStdIOStream.m
+++ src/OFStdIOStream.m
@@ -41,14 +41,19 @@
 #import "OFInvalidArgumentException.h"
 #import "OFNotOpenException.h"
 #import "OFOutOfRangeException.h"
 #import "OFReadFailedException.h"
 #import "OFWriteFailedException.h"
+
+#ifdef OF_IOS
+# undef HAVE_ISATTY
+#endif
 
 #ifdef OF_AMIGAOS
 # include <proto/exec.h>
 # include <proto/dos.h>
+# undef HAVE_ISATTY
 #endif
 
 /* References for static linking */
 #ifdef OF_WINDOWS
 void
@@ -96,11 +101,11 @@
 				date.microsecond / 1000, me, getpid(), msg];
 
 	objc_autoreleasePoolPop(pool);
 }
 
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 static int
 colorToANSI(OFColor *color)
 {
 	if ([color isEqual: [OFColor black]])
 		return 30;
@@ -386,11 +391,11 @@
 	return OF_RETAIN_COUNT_MAX;
 }
 
 - (bool)hasTerminal
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	return isatty(_fd);
 #else
 	return false;
 #endif
 }
@@ -423,11 +428,11 @@
 #endif
 }
 
 - (void)setForegroundColor: (OFColor *)color
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	int code;
 
 	if (!isatty(_fd))
 		return;
 
@@ -438,11 +443,11 @@
 #endif
 }
 
 - (void)setBackgroundColor: (OFColor *)color
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	int code;
 
 	if (!isatty(_fd))
 		return;
 
@@ -453,41 +458,41 @@
 #endif
 }
 
 - (void)reset
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	[self writeString: @"\033[0m"];
 #endif
 }
 
 - (void)clear
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	[self writeString: @"\033[2J"];
 #endif
 }
 
 - (void)eraseLine
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	[self writeString: @"\033[2K"];
 #endif
 }
 
 - (void)setCursorColumn: (unsigned int)column
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	[self writeFormat: @"\033[%uG", column + 1];
 #endif
@@ -496,11 +501,11 @@
 - (void)setCursorPosition: (of_point_t)position
 {
 	if (position.x < 0 || position.y < 0)
 		@throw [OFInvalidArgumentException exception];
 
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	[self writeFormat: @"\033[%u;%uH",
 			   (unsigned)position.y + 1, (unsigned)position.x + 1];
@@ -507,11 +512,11 @@
 #endif
 }
 
 - (void)setRelativeCursorPosition: (of_point_t)position
 {
-#if defined(HAVE_ISATTY) && !defined(OF_AMIGAOS)
+#ifdef HAVE_ISATTY
 	if (!isatty(_fd))
 		return;
 
 	if (position.x > 0)
 		[self writeFormat: @"\033[%uC", (unsigned)position.x];