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Set sockaddr family on ifreq instead of casted familiy specific sockaddr

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Fixes a strict-aliasing rule compiler warning with older gcc.
This commit is contained in:
Martin Willi
2013-02-06 15:20:32 +01:00
parent d830174e3c
commit 82c884c015
1 changed files with 2 additions and 2 deletions
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src/libstrongswan/networking/tun_device.c
+2 -2
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@@ -88,7 +88,6 @@ static void set_netmask(struct ifreq *ifr, int family, u_int8_t netmask)
case AF_INET:
{
struct sockaddr_in *addr = (struct sockaddr_in*)&ifr->ifr_addr;
addr->sin_family = AF_INET;
target = (char*)&addr->sin_addr;
len = 4;
break;
@@ -96,7 +95,6 @@ static void set_netmask(struct ifreq *ifr, int family, u_int8_t netmask)
case AF_INET6:
{
struct sockaddr_in6 *addr = (struct sockaddr_in6*)&ifr->ifr_addr;
addr->sin6_family = AF_INET6;
target = (char*)&addr->sin6_addr;
len = 16;
break;
@@ -105,6 +103,8 @@ static void set_netmask(struct ifreq *ifr, int family, u_int8_t netmask)
return;
}
ifr->ifr_addr.sa_family = family;
bytes = (netmask + 7) / 8;
bits = (bytes * 8) - netmask;