unsigned int index;
};
+typedef struct hashtable HashTable;
+
/*****************************************************************************
* create_hashtable_ext
return hashtable_change(h, k, v); \
}
+/*****************************************************************************
+ * hashtable_exists
+
+ * @name hashtable_exists
+ * @param h the hashtable to search
+ * @param k the key to search for
+ * @return non-zero if key exists, else zero
+ */
+
+int
+hashtable_exists(struct hashtable *h, void *k);
+
+#define DEFINE_HASHTABLE_EXISTS(fnname, keytype, valuetype) \
+static int fnname (struct hashtable *h, keytype *k) \
+{ \
+ return hashtable_exists(h, k); \
+}
+
/*****************************************************************************
* hashtable_search
int
hashtable_iterator_advance(struct hashtable_itr *itr);
+
+/*****************************************************************************/
+/* hashtable_fn - prototype of function to call for hashtable entry
+
+ * @name hashtable_fn
+ * @param k the key of the current hash entry
+ * @param v the value of the current hash entry
+ * @param u additional user data
+ */
+
+typedef void (*hashtable_fn) (void *k, void *v, void *u);
+
+/*****************************************************************************/
+/* hashtable_foreach - call function for all hashtable entries
+
+ * @name hashtable_foreach
+ * @param h the hashtable to iterate through
+ * @param fn the function to call for each entry
+ */
+
+void
+hashtable_foreach(struct hashtable *h, hashtable_fn fn, void *userdata);
+
+/*****************************************************************************/
+/* hashtable_remove_fn - prototype of function to call for hashtable entry
+
+ * @name hashtable_remove_fn
+ * @param k the key of the current hash entry
+ * @param v the value of the current hash entry
+ * @param u additional user data
+ * @return non-zero if entry should be removed, else zero
+ */
+
+typedef int (*hashtable_remove_fn) (void *k, void *v, void *u);
+
+/*****************************************************************************/
+/* hashtable_foreach_remove - call function for all hashtable entries and remove them,
+ * if function returned 1
+ * returns the number of removed entries
+
+ * @name hashtable_foreach_remove
+ * @param h the hashtable to iterate through
+ * @param fn the function to call for each entry
+ * @return the number of removed entries
+ */
+
+unsigned int
+hashtable_foreach_remove(struct hashtable *h, hashtable_remove_fn fn, void *userdata);
+
+/*****************************************************************************/
+/* hashtable_remove_all - remove_all hashtable entries
+
+ * @name hashtable_remove
+ * @param h the hashtable to remove all entries from
+ * @return the number of removed entries
+ */
+
+unsigned int
+hashtable_remove_all(struct hashtable *h);
+
#endif