@@ -286,6 +286,8 @@ void nfct_bitmask_set_bit(struct nfct_bitmask *, unsigned int bit);
int nfct_bitmask_test_bit(const struct nfct_bitmask *, unsigned int bit);
void nfct_bitmask_unset_bit(struct nfct_bitmask *, unsigned int bit);
void nfct_bitmask_destroy(struct nfct_bitmask *);
+void nfct_bitmask_clear(struct nfct_bitmask *);
+int nfct_bitmask_equal(const struct nfct_bitmask *, const struct nfct_bitmask *);
/* connlabel name <-> bit translation mapping */
struct nfct_labelmap;
@@ -1704,6 +1704,37 @@ void nfct_bitmask_destroy(struct nfct_bitmask *b)
free(b);
}
+/*
+ * nfct_bitmask_clear - clear a bitmask object
+ *
+ * \param b pointer to the bitmask object to clear
+ */
+void nfct_bitmask_clear(struct nfct_bitmask *b)
+{
+ unsigned int bytes = b->words * sizeof(b->bits[0]);
+ memset(b->bits, 0, bytes);
+}
+
+/*
+ * nfct_bitmask_equal - compare two bitmask objects
+ *
+ * \param b1 pointer to a valid bitmask object
+ * \param b2 pointer to a valid bitmask object
+ *
+ * If both bitmask object are equal, this function returns 1, otherwise
+ * -1 or 0 is returned.
+ */
+int nfct_bitmask_equal(const struct nfct_bitmask *b1, const struct nfct_bitmask *b2)
+{
+ if (b1->words != b2->words)
+ return -1;
+
+ if (!memcmp(b1->bits, b2->bits, b1->words * sizeof(b1->bits[0])))
+ return 1;
+ else
+ return 0;
+}
+
/**
* @}
*/