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Added isc_sockaddr_eqaddr and its protoype: compares only the addresses

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(and not the port values) of two isc_sockaddr_t.
This commit is contained in:
James Brister
1999-10-25 10:07:37 +00:00
parent 6f9fbf8b48
commit 54570ba7ff
2 changed files with 40 additions and 0 deletions
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3
lib/isc/include/isc/sockaddr.h
View File

@@ -37,6 +37,9 @@ typedef struct isc_sockaddr {
isc_boolean_t
isc_sockaddr_equal(isc_sockaddr_t *a, isc_sockaddr_t *b);
isc_boolean_t
isc_sockaddr_eqaddr(isc_sockaddr_t *a, isc_sockaddr_t *b);
unsigned int
isc_sockaddr_hash(isc_sockaddr_t *sockaddr, isc_boolean_t address_only);

37
lib/isc/sockaddr.c
View File

@@ -65,6 +65,43 @@ isc_sockaddr_equal(isc_sockaddr_t *a, isc_sockaddr_t *b)
return (ISC_TRUE);
}
/*
* compare just the addresses (ignore ports)
*/
isc_boolean_t
isc_sockaddr_eqaddr(isc_sockaddr_t *a, isc_sockaddr_t *b)
{
REQUIRE(a != NULL && b != NULL);
if (a->length != b->length)
return (ISC_FALSE);
/*
* We don't just memcmp because the sin_zero field isn't always
* zero.
*/
if (a->type.sa.sa_family != b->type.sa.sa_family)
return (ISC_FALSE);
switch (a->type.sa.sa_family) {
case AF_INET:
if (memcmp(&a->type.sin.sin_addr, &b->type.sin.sin_addr,
sizeof a->type.sin.sin_addr) != 0)
return (ISC_FALSE);
break;
case AF_INET6:
if (memcmp(&a->type.sin6.sin6_addr, &b->type.sin6.sin6_addr,
sizeof a->type.sin6.sin6_addr) != 0)
return (ISC_FALSE);
break;
default:
if (memcmp(&a->type, &b->type, a->length) != 0)
return (ISC_FALSE);
}
return (ISC_TRUE);
}
char *
isc_sockaddr_totext(isc_sockaddr_t *sockaddr, isc_mem_t *mctx) {
char abuf[sizeof "xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255"];