Using utils.h within executables written in the C language

[Mohammed Murphy]

Hey Marc et al,

Thanks for the speedy response. I should start by saying I am running 
the latest VM trial release of NagioXI. I do not know if that is 
significant or not but I can say that in the libexec folder (which I 
think you were referring to) which contains all the plugins, there is no 
plugins folder. In the libexec folder itself, I have only utils.sh (not 
sure what language this is) and utils.pm (php file I think). But 
definately no utils.h file (nor utils.c nor utils.o etc for that 
matter). Is there somewhere I could just download them from?

Also, for the second point, if I am just "including" utils.h from my C 
application source code, does that mean I need to upload my source code 
to Nagios and compile it on the Nagios server (so that utils.h is 
accessible)? Apologies if this is a novice question.

Thanks Marc in particular, all your responses have been helpful to me.

Marc Powell wrote:
>
>
> On Tue, Mar 16, 2010 at 8:57 AM, Mohammed Murphy 
> <mohammed.murphy at tandberg.com <mailto:mohammed.murphy at tandberg.com>> 
> wrote:
>
>      One of the points mentioned is that the use of utils.h
>     (for C-written plugins) was encouraged (perhaps even expected). I was
>     unable to locate this file anywhere (neither on the Nagios server
>     instance I am running nor on the Nagios help pages,/documentation
>     etc).
>     So firstly, I was hoping that I could be directed to where I could
>     get a
>     copy of it.
>
>
> It's in the plugins source code --
> /path/to/plugins-source/plugins/utils.h
>
>     Secondly, I would like to know how a C application is supposed to link
>     to it. Are we expected to use a static linking technique (i.e.
>     copy and
>     paste the utils.h/c source into our own C plugin and then compile)?
>
>
> Nobody does this that I've seen. Look at the source of the standard 
> plugins. They all just '#include "utils.h"'.
>
> --
> Marc
>
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