diff options
| author | Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> | 2013-06-07 00:52:17 +0000 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-06-07 14:00:20 +0200 |
| commit | dde20393f929f22636dcedd82e5a2fe81394139e (patch) | |
| tree | ae5f46c3a934bc88d188d1c7d1dd11934709287d /src/chain.c | |
| parent | 0be2e081db4b6adf2e7fb16fe528c28c35a1f0c2 (diff) | |
src: add nft_*_unset functions
These functions unset the given attribute in each object and
release the data if needed.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/chain.c')
| -rw-r--r-- | src/chain.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/chain.c b/src/chain.c index 093e3ea..530e045 100644 --- a/src/chain.c +++ b/src/chain.c @@ -59,6 +59,34 @@ void nft_chain_free(struct nft_chain *c) } EXPORT_SYMBOL(nft_chain_free); +void nft_chain_attr_unset(struct nft_chain *c, uint16_t attr) +{ + switch (attr) { + case NFT_CHAIN_ATTR_TABLE: + if (c->flags & (1 << NFT_CHAIN_ATTR_TABLE)) + if (c->table) { + free(c->table); + c->table = NULL; + } + break; + case NFT_CHAIN_ATTR_USE: + /* cannot be unset?, ignore it */ + return; + case NFT_CHAIN_ATTR_TYPE: + if (c->flags & (1 << NFT_CHAIN_ATTR_TYPE)) + if (c->type) { + free(c->type); + c->type = NULL; + } + break; + default: + return; + } + + c->flags &= ~(1 << attr); +} +EXPORT_SYMBOL(nft_chain_attr_unset); + void nft_chain_attr_set(struct nft_chain *c, uint16_t attr, const void *data) { switch(attr) { |