Index: src/OFData.h
==================================================================
--- src/OFData.h
+++ src/OFData.h
@@ -14,19 +14,26 @@
  */
 
 #import "OFObject.h"
 #import "OFSerialization.h"
 #import "OFMessagePackRepresentation.h"
+
+/*! @file */
 
 OF_ASSUME_NONNULL_BEGIN
 
 @class OFString;
 @class OFURL;
 
-enum {
-	OF_DATA_SEARCH_BACKWARDS = 1
-};
+/**
+ * @brief Options for searching in data.
+ *
+ * This is a bit mask.
+ */
+typedef enum OFDataSearchOptions {
+	OFDataSearchBackwards = 1
+} OFDataSearchOptions;
 
 /**
  * @class OFData OFData.h ObjFW/OFData.h
  *
  * @brief A class for storing arbitrary data in an array.
@@ -296,21 +303,17 @@
 
 /**
  * @brief Returns the range of the data.
  *
  * @param data The data to search for
- * @param options Options modifying search behavior.@n
- *		  Possible values are:
- *		  Value                      | Description
- *		  ---------------------------|-----------------------------
- *		  `OF_DATA_SEARCH_BACKWARDS` | Search backwards in the data
+ * @param options Options modifying search behavior
  * @param range The range in which to search
  * @return The range of the first occurrence of the data or a range with
  *	   `OFNotFound` as start position if it was not found.
  */
 - (OFRange)rangeOfData: (OFData *)data
-	       options: (int)options
+	       options: (OFDataSearchOptions)options
 		 range: (OFRange)range;
 
 #ifdef OF_HAVE_FILES
 /**
  * @brief Writes the OFData into the specified file.

Index: src/OFData.m
==================================================================
--- src/OFData.m
+++ src/OFData.m
@@ -542,11 +542,11 @@
 {
 	return of_base64_encode(_items, _count * _itemSize);
 }
 
 - (OFRange)rangeOfData: (OFData *)data
-	       options: (int)options
+	       options: (OFDataSearchOptions)options
 		 range: (OFRange)range
 {
 	const char *search;
 	size_t searchLength;
 
@@ -563,11 +563,11 @@
 	if (searchLength > range.length)
 		return OFMakeRange(OFNotFound, 0);
 
 	search = data.items;
 
-	if (options & OF_DATA_SEARCH_BACKWARDS) {
+	if (options & OFDataSearchBackwards) {
 		for (size_t i = range.length - searchLength;; i--) {
 			if (memcmp(_items + i * _itemSize, search,
 			    searchLength * _itemSize) == 0)
 				return OFMakeRange(i, searchLength);