diff options
author | Ken-ichirou MATSUZAWA <chamaken@gmail.com> | 2014-09-10 17:48:53 +0900 |
---|---|---|
committer | Florian Westphal <fw@strlen.de> | 2014-09-11 21:37:35 +0200 |
commit | 305fed6fe9ab291938a4c97e144ac8db71c3a11e (patch) | |
tree | d45072e3ff161abfc7d353a4fb81c66f4725d10e /src/conntrack | |
parent | 8904d33ba2b54f7015051dcd1d1b184c76281e46 (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.c | 29 |
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; +} + /** * @} */ |