diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-07-18 20:01:27 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-07-18 20:08:25 +0200 |
commit | 6cdc49ffbe0a672c27f4fffe831563b12a8e2e61 (patch) | |
tree | 76e1b5318bfdd9627f8ab5138293cbe569c25da4 /src/chain.c | |
parent | 5ecac519cd78043d0a5bfead1922a683d32db9d2 (diff) |
src: simplify getter logic
This patch refactors the getter code to simplify it. The default
cases have been removed so gcc will spot a warning if an attribute
is not handled appropriately.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/chain.c')
-rw-r--r-- | src/chain.c | 73 |
1 files changed, 16 insertions, 57 deletions
diff --git a/src/chain.c b/src/chain.c index 3c73511..0c7f422 100644 --- a/src/chain.c +++ b/src/chain.c @@ -1,5 +1,5 @@ /* - * (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org> + * (C) 2012-2013 by Pablo Neira Ayuso <pablo@netfilter.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published @@ -187,75 +187,34 @@ EXPORT_SYMBOL(nft_chain_attr_set_str); void *nft_chain_attr_get(struct nft_chain *c, uint16_t attr) { + if (!(c->flags & (1 << attr))) + return NULL; + switch(attr) { case NFT_CHAIN_ATTR_NAME: - if (c->flags & (1 << NFT_CHAIN_ATTR_NAME)) - return c->name; - else - return NULL; - break; + return c->name; case NFT_CHAIN_ATTR_TABLE: - if (c->flags & (1 << NFT_CHAIN_ATTR_TABLE)) - return c->table; - else - return NULL; + return c->table; case NFT_CHAIN_ATTR_HOOKNUM: - if (c->flags & (1 << NFT_CHAIN_ATTR_HOOKNUM)) - return &c->hooknum; - else - return NULL; - break; + return &c->hooknum; case NFT_CHAIN_ATTR_PRIO: - if (c->flags & (1 << NFT_CHAIN_ATTR_PRIO)) - return &c->prio; - else - return NULL; - break; + return &c->prio; case NFT_CHAIN_ATTR_POLICY: - if (c->flags & (1 << NFT_CHAIN_ATTR_POLICY)) - return &c->policy; - else - return NULL; - break; + return &c->policy; case NFT_CHAIN_ATTR_USE: - if (c->flags & (1 << NFT_CHAIN_ATTR_USE)) - return &c->use; - else - return NULL; - break; + return &c->use; case NFT_CHAIN_ATTR_BYTES: - if (c->flags & (1 << NFT_CHAIN_ATTR_BYTES)) - return &c->bytes; - else - return NULL; - break; + return &c->bytes; case NFT_CHAIN_ATTR_PACKETS: - if (c->flags & (1 << NFT_CHAIN_ATTR_PACKETS)) - return &c->packets; - else - return NULL; - break; + return &c->packets; case NFT_CHAIN_ATTR_HANDLE: - if (c->flags & (1 << NFT_CHAIN_ATTR_HANDLE)) - return &c->handle; - else - return NULL; - break; + return &c->handle; case NFT_CHAIN_ATTR_FAMILY: - if (c->flags & (1 << NFT_CHAIN_ATTR_FAMILY)) - return &c->family; - else - return NULL; - break; + return &c->family; case NFT_CHAIN_ATTR_TYPE: - if (c->flags & (1 << NFT_CHAIN_ATTR_TYPE)) - return c->type; - else - return NULL; - break; - default: - return NULL; + return c->type; } + return NULL; } EXPORT_SYMBOL(nft_chain_attr_get); |