Inotify: convert anonymous enum to constexpr

src/InotifyQueue.cxx

@@ -26,14 +26,12 @@
 
 #include <string.h>
 
-enum {
-	/**
-	 * Wait this long after the last change before calling
-	 * update_enqueue().  This increases the probability that
-	 * updates can be bundled.
-	 */
-	INOTIFY_UPDATE_DELAY_S = 5,
-};
+/**
+ * Wait this long after the last change before calling
+ * update_enqueue().  This increases the probability that updates can
+ * be bundled.
+ */
+static constexpr unsigned INOTIFY_UPDATE_DELAY_S = 5;
 
 void
 InotifyQueue::OnTimeout()

src/InotifyUpdate.cxx

@@ -39,13 +39,12 @@
 #include <string.h>
 #include <dirent.h>
 
-enum {
-	IN_MASK = IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
-	|IN_MOVE|IN_MOVE_SELF
+static constexpr unsigned IN_MASK =
 #ifdef IN_ONLYDIR
-	|IN_ONLYDIR
+	IN_ONLYDIR|
 #endif
-};
+	IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
+	|IN_MOVE|IN_MOVE_SELF;
 
 struct WatchDirectory {
 	WatchDirectory *parent;

test/run_inotify.cxx

@@ -28,13 +28,12 @@
 
 #include <sys/inotify.h>
 
-enum {
-	IN_MASK = IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
-	|IN_MOVE|IN_MOVE_SELF
+static constexpr unsigned IN_MASK =
 #ifdef IN_ONLYDIR
-	|IN_ONLYDIR
+	IN_ONLYDIR|
 #endif
-};
+	IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
+	|IN_MOVE|IN_MOVE_SELF;
 
 static void
 my_inotify_callback(gcc_unused int wd, unsigned mask,