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Add a convenience function to check for unspec address.

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This commit is contained in:
Nick Mathewson 2020-07-01 15:53:48 -04:00
parent 1e97f96888
commit cca3164f8d
1 changed files with 10 additions and 0 deletions
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10
src/lib/net/address.h
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@ -95,6 +95,7 @@ static inline uint32_t tor_addr_to_ipv4n(const tor_addr_t *a);
static inline uint32_t tor_addr_to_ipv4h(const tor_addr_t *a);
static inline uint32_t tor_addr_to_mapped_ipv4h(const tor_addr_t *a);
static inline sa_family_t tor_addr_family(const tor_addr_t *a);
static inline bool tor_addr_is_unspec(const tor_addr_t *a);
static inline const struct in_addr *tor_addr_to_in(const tor_addr_t *a);
static inline int tor_addr_eq_ipv4h(const tor_addr_t *a, uint32_t u);
@ -188,6 +189,15 @@ tor_addr_family(const tor_addr_t *a)
return a->family;
}
/**
* Return true if the address @a is in the UNSPEC family.
**/
static inline bool
tor_addr_is_unspec(const tor_addr_t *a)
{
return a->family == AF_UNSPEC;
}
/** Return an in_addr* equivalent to <b>a</b>, or NULL if <b>a</b> is not
* an IPv4 address. */
static inline const struct in_addr *