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Fix length->netmask conversions to avoid undefined behaviour.

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Richard Genoud authored and Simon Kelley committed 2014-09-17 21:17:39 +01:00
1 parent 15b1b7e9c3
commit 10cfc0ddb3
2 files changed
+3 -2
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src/netlink.c
+2 -1
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@@ -208,7 +208,8 @@ int iface_enumerate(int family, void *parm, int (*callback)())
struct in_addr netmask, addr, broadcast;
char *label = NULL;
netmask.s_addr = htonl(0xffffffff << (32 - ifa->ifa_prefixlen));
netmask.s_addr = htonl(~(in_addr_t)0 << (32 - ifa->ifa_prefixlen));
addr.s_addr = 0;
broadcast.s_addr = 0;