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struct nl_cache* rtnl_rule_alloc_cache_by_family ( struct nl_handle *  handle,
int  family 
) [read]

Build a rule cache including all rules of the specified family currently configured in the kernel.

  • handle netlink handle
  • family address family
Allocates a new rule cache, initializes it properly and updates it to include all rules of the specified address family currently configured in the kernel.

The caller is responsible for destroying and freeing the cache after using it. (nl_cache_destroy_and_free())
The new cache or NULL if an error occured.

Definition at line 449 of file rule.c.

References nl_cache_alloc(), and nl_cache_refill().

Referenced by rtnl_rule_alloc_cache().

      struct nl_cache * cache;

      cache = nl_cache_alloc(&rtnl_rule_ops);
      if (cache == NULL)
            return NULL;

      /* XXX RULE_CACHE_FAMILY(cache) = family; */

      if (handle && nl_cache_refill(handle, cache) < 0) {
            return NULL;

      return cache;

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