Index: src/OFStream.h
==================================================================
--- src/OFStream.h
+++ src/OFStream.h
@@ -126,10 +126,18 @@
  * \return The number of bytes written
  */
 - (size_t)writeNBytes: (size_t)size
 	   fromBuffer: (const char*)buf;
 
+/**
+ * Writes from an OFDataArray into the stream.
+ *
+ * \param dataarray The OFDataArray to write into the stream
+ * \return The number of bytes written
+ */
+- (size_t)writeDataArray: (OFDataArray*)dataarray;
+
 /**
  * Writes a string into the stream, without the trailing zero.
  *
  * \param str The string from which the data is written to the stream
  * \return The number of bytes written

Index: src/OFStream.m
==================================================================
--- src/OFStream.m
+++ src/OFStream.m
@@ -390,10 +390,16 @@
 	   fromBuffer: (const char*)buf
 {
 	@throw [OFNotImplementedException newWithClass: isa
 					      selector: _cmd];
 }
+
+- (size_t)writeDataArray: (OFDataArray*)dataarray
+{
+	return [self writeNBytes: [dataarray count] * [dataarray itemSize]
+		      fromBuffer: [dataarray cArray]];
+}
 
 - (size_t)writeString: (OFString*)str
 {
 	return [self writeNBytes: [str cStringLength]
 		      fromBuffer: [str cString]];