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* sysdeps/unix/sysv/linux/check_native.c (__check_native): Simplify

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significantly.  The device type is also part of the ifinfomsg data.
This commit is contained in:
Ulrich Drepper 2007-11-15 00:03:41 +00:00
parent cbd52634e4
commit 1e2692c922
2 changed files with 19 additions and 54 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2007-11-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/check_native.c (__check_native): Simplify
significantly. The device type is also part of the ifinfomsg data.
* po/sv.po: Update from translation team.
* po/nl.po: Likewise.

70
sysdeps/unix/sysv/linux/check_native.c
View File

@ -105,7 +105,6 @@ __check_native (uint32_t a1_index, int *a1_native,
goto out_fail;
bool done = false;
int v4fd = -1;
do
{
struct msghdr msg =
@ -134,60 +133,25 @@ __check_native (uint32_t a1_index, int *a1_native,
if (nlmh->nlmsg_type == RTM_NEWLINK)
{
/* A RTM_NEWLINK message can have IFLA_STATS data. We need to
know the size before creating the list to allocate enough
memory. */
struct ifinfomsg *ifim = (struct ifinfomsg *) NLMSG_DATA (nlmh);
struct rtattr *rta = IFLA_RTA (ifim);
size_t rtasize = IFLA_PAYLOAD (nlmh);
int index = ifim->ifi_index;
int native = (ifim->ifi_type != ARPHRD_TUNNEL6
&& ifim->ifi_type != ARPHRD_TUNNEL
&& ifim->ifi_type != ARPHRD_SIT);
if (a1_index == index || a2_index == index)
while (RTA_OK (rta, rtasize))
{
char *rta_data = RTA_DATA (rta);
size_t rta_payload = RTA_PAYLOAD (rta);
if (a1_index == ifim->ifi_index)
{
*a1_native = native;
a1_index = 0xffffffffu;
}
if (a2_index == ifim->ifi_index)
{
*a2_native = native;
a2_index = 0xffffffffu;
}
if (rta->rta_type == IFLA_IFNAME)
{
struct ifreq ifr;
*((char *) mempcpy (ifr.ifr_name, rta_data,
rta_payload))= '\0';
if (v4fd == -1)
{
v4fd = __socket (AF_INET, SOCK_DGRAM, 0);
if (v4fd == -1)
return;
}
if (__ioctl (v4fd, SIOCGIFHWADDR, &ifr) >= 0)
{
int native
= (ifr.ifr_hwaddr.sa_family != ARPHRD_TUNNEL6
&& ifr.ifr_hwaddr.sa_family != ARPHRD_TUNNEL
&& ifr.ifr_hwaddr.sa_family != ARPHRD_SIT);
if (a1_index == index)
{
*a1_native = native;
a1_index = 0xffffffffu;
}
if (a2_index == index)
{
*a2_native = native;
a2_index = 0xffffffffu;
}
if (a1_index == 0xffffffffu
&& a2_index == 0xffffffffu)
goto out;
}
break;
}
rta = RTA_NEXT (rta, rtasize);
}
if (a1_index == 0xffffffffu
&& a2_index == 0xffffffffu)
goto out;
}
else if (nlmh->nlmsg_type == NLMSG_DONE)
/* We found the end, leave the loop. */
@ -198,8 +162,6 @@ __check_native (uint32_t a1_index, int *a1_native,
out:
close_not_cancel_no_status (fd);
if (v4fd != -1)
close_not_cancel_no_status (v4fd);
return;