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Add an example of a novel technique to the IPv6 code. This technique seems

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to have been developed after the IPv6 code was written, it's called "checking
for error returns".

Now netstat at least doesnt't go beserk in jails.
This commit is contained in:
Poul-Henning Kamp 2001-03-19 08:51:56 +00:00
parent fe997d964c
commit 6eec3af9fe
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=74453
1 changed files with 2 additions and 1 deletions
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3
usr.bin/netstat/inet6.c
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@ -348,7 +348,8 @@ ip6_stats(off, name)
if (off == 0)
return;
kread(off, (char *)&ip6stat, sizeof (ip6stat));
if (kread(off, (char *)&ip6stat, sizeof (ip6stat)))
return;
printf("%s:\n", name);
#define p(f, m) if (ip6stat.f || sflag <= 1) \