[radvd-devel-l] [radvd] write the PID file in its own function, use a regex to validate (41c6192)

[Reuben Hawkins]

On Sun, Jan 15, 2012 at 11:32 PM, theMIROn
<reply+c-869907-566b8009fb5e02bdc3a199c42d37526e579246b4-201595 at reply.github.com>
wrote:
> is regex really needed?
> simple strtoul will do the work, even if you need error checking.
>
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The regex isn't really needed, but it is a somewhat stricter
validation tool compared to strtoul.  Other than it not being needed,
is there a good reason to use strtoul over regex?