Re: [avr-gcc-list] generic queue library for AVR GCC?

[Andy Warner]

Bruce D. Lightner wrote:
> [...]
> You all of course know that "," can be used in place of ";" to
> separate C statements.  Therefore we can make a minor change to
> the first macro definition...
> [...]
>       #define begin_critical_section()  SREG, cli()
>       #define end_critical_section(val) SREG = val
>       ....
>       {
>           unsigned char sreg = begin_critical_section();

Is that going to work the way you expect it to ?

I understood that the comma operator returns the type and
value of the rightmost statement (which will be cli()
in this example.)
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Andy Warner             Voice: (612) 801-8549   Fax: (208) 575-5634