Messages in this thread | | | Date | Wed, 18 Jul 2012 16:33:04 -0400 | From | Dave Jones <> | Subject | Re: [PATCH] SUNRPC: Prevent kernel stack corruption on long values of flush |
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On Wed, Jul 18, 2012 at 04:00:49PM -0400, Jim Rees wrote:
> You could use something like: > > char tbuf[sizeof (unsigned long) * 24 / 10 + 1 + 2]; /* + 2 for final "\n\0" */ > > since there are roughly 10 bits for every 3 decimal digits. > > But I'm obviously confused, because I don't understand why tbuf needs to be > any more than 10 + 2.
Unsigned long isn't necessarily 32 bits. On 64-bit systems %lu can be up to 18446744073709551615
Dave
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