implementation of a simple "token enumerator"

src/libstrongswan/utils.h

@@ -89,6 +89,11 @@
  */
 #define malloc_thing(thing) ((thing*)malloc(sizeof(thing)))
 
+/**
+ * Get the number of elements in an array
+ */
+#define countof(array) (sizeof(array)/sizeof(array[0]))
+
 /**
  * Assign a function as a class method
  */