SE Linux patch(Re: [BusyBox] SE Linux)

[Rob Landley]

On Monday 02 May 2005 07:21 pm, Rob Landley wrote:

> Up in the header file or werever:
>
> #ifndef CONFIG_SELINUX
> #define USE_SELINUX	0
> #else
> #define USE_SELINUX 1
> #endif
>
> And then later, you can do some variant of:
>
> void function(blah)
> {
>   int use_selinux=0;
>
>   if(decision) use_selinux=USE_SELINUX;
>
>   if(use_selinux) {
>     stuff();
>   }
> }


Also, rather than trying to modify use_selinux earlier, you can do:

if (USE_SELINUX && use_selinux) {
}

For similar effect.  Still evaluates to a constant at compile time allowing 
the compiler's "dead code elimination" pass to spot it.

Rob