Re: /proc/net/ip_conntrack problems

[Keith Owens]

On Sun, 28 Oct 2001 22:08:54 -0600, 
Taral <[e-mail]> wrote:
>% dd if=/proc/net/ip_conntrack bs=128 | wc -l
>0+0 records in
>0+0 records out
>      0
>% dd if=/proc/net/ip_conntrack bs=256 | wc -l
>0+3 records in
>0+3 records out
>      3
>Can anyone explain this? (2.4.13-ac3) It's wreaking havoc with my
>program.

Some /proc output is blocked, it will only return complete lines.  If
your buffer is not big enough to hold the next line then you don't get
anything at all.  Try cat /proc/net/ip_conntrack | wc.