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authorKen-ichirou MATSUZAWA <chamaken@gmail.com>2014-09-10 17:48:53 +0900
committerFlorian Westphal <fw@strlen.de>2014-09-11 21:37:35 +0200
commit305fed6fe9ab291938a4c97e144ac8db71c3a11e (patch)
treed45072e3ff161abfc7d353a4fb81c66f4725d10e /src/conntrack
parent8904d33ba2b54f7015051dcd1d1b184c76281e46 (diff)
conntrack: api: add two new bitmask functions
This patch adds two functions, useful for ulogd IPFIX output module. Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp> Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'src/conntrack')
-rw-r--r--src/conntrack/api.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/conntrack/api.c b/src/conntrack/api.c
index 09270ee..073ea5c 100644
--- a/src/conntrack/api.c
+++ b/src/conntrack/api.c
@@ -8,6 +8,7 @@
*/
#include <stdlib.h>
+#include <stdbool.h>
#include <string.h> /* for memset */
#include <errno.h>
#include <assert.h>
@@ -1702,6 +1703,34 @@ 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 true, otherwise
+ * false is returned.
+ */
+bool nfct_bitmask_equal(const struct nfct_bitmask *b1, const struct nfct_bitmask *b2)
+{
+ if (b1->words != b2->words)
+ return false;
+
+ return memcmp(b1->bits, b2->bits, b1->words * sizeof(b1->bits[0])) == 0;
+}
+
/**
* @}
*/