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NLM: Add helper to handle IPv4 addresses 

Clean up: introduce a helper function to generate IPv4 addresses using
the same style as the IPv6 helper function we just added.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Chuck Lever 2008-12-04 14:20:16 -05:00 committed by J. Bruce Fields
parent bc995801a0
commit afb03699dc
1 changed files with 8 additions and 3 deletions
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11
fs/lockd/host.c
View File

@ -105,6 +105,13 @@ static void nlm_clear_port(struct sockaddr *sap)
}
}
static void nlm_display_ipv4_address(const struct sockaddr *sap, char *buf,
const size_t len)
{
const struct sockaddr_in *sin = (struct sockaddr_in *)sap;
snprintf(buf, len, "%pI4", &sin->sin_addr.s_addr);
}
static void nlm_display_ipv6_address(const struct sockaddr *sap, char *buf,
const size_t len)
{
@ -122,11 +129,9 @@ static void nlm_display_ipv6_address(const struct sockaddr *sap, char *buf,
static void nlm_display_address(const struct sockaddr *sap,
char *buf, const size_t len)
{
const struct sockaddr_in *sin = (struct sockaddr_in *)sap;
switch (sap->sa_family) {
case AF_INET:
snprintf(buf, len, "%pI4", &sin->sin_addr.s_addr);
nlm_display_ipv4_address(sap, buf, len);
break;
case AF_INET6:
nlm_display_ipv6_address(sap, buf, len);