Re: [Nagios-devel] Nagios fails on empty config file

[Marc H. <mh+...@zu...>]

On Wed, Aug 23, 2006 at 11:04:32AM +0200, Andreas Ericsson wrote:
> Having investigated a bit further, it seems the mmap() call is the 
> culprit in case the system doesn't support zero-length mmaps (many 
> systems don't), in which case a simple "echo > config_file" would do the 
> trick. Marc, can you verify if this is the case?

Yes, the issue is an _empty_ file.

> The simplest solution in this case would be to just skip the mmap() step 
> in case of zero-length files, as they're closed before real operations 
> commence anyways, and I think it's safe to assume most systems can spare 
> the 100 bytes or so of memory that are lost during the config reading.

Sounds acceptable.

Greetings
Marc

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