Re: How can I parse the command name from /proc/<pid>/stat?

[Suzuki K. Poulose]

On 04/12/14 19:44, Steven Stewart-Gallus wrote:
> Hello,
>
> Given an evil hacker trying to confuse process monitors that might use such
> strange process names as 'pause) R 0 0 (foo' how can I correctly parse the
> command name from /proc/<pid>/stat? Maybe I should just use /proc/<pid>/status?
> Maybe there should be some documentation written on the issue? I just wanted to
> send an email off to check if I was missing anything before writing a few small
> additions to the documentation or filing a bug report. procps-ng seems to use an
> ugly hack that involves knowing the limits on the size of a possible command
> name that I'm not actually sure works totally correctly.

You can do something like :

cmd_start = strchr(stat_buf, '(');
cmd_end = strrchr(stat_buf, ')');

Cheers
Suzuki


> Thank you,
> Steven Stewart-Gallus
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/