Re: [PATCH] Slabinfo: Fix display format

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On Thu, Jun 17, 2010 at 9:45 PM, Christoph Lameter
<cl@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 17 Jun 2010, wzt.wzt@xxxxxxxxx wrote:

> This one may break user space tools that have assumptions about the length
> of the field. Or do tools not make that assumption?
>

User space tools usually use sscanf() to extract this field like:
sscanf(buff, "%s %d", name, &num);
If %-27s can break some user space tools that have assumptions about
the length of the field, the orig %-17s can also break it.
The longest name inotify_event_private_data is 26 bytes in 2.6.34-rc2,
the tools still can't extract it.

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