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Re: [avr-gcc-list] Dumb C question


From: Sander Pool
Subject: Re: [avr-gcc-list] Dumb C question
Date: Fri, 16 Aug 2002 12:06:51 -0700

Ha! So then my method of (theotherting - this + 1) would be the way to go
anyway :-)

    Sander

----- Original Message -----
From: "Jesper Hansen" <address@hidden>
To: "Larry Barello" <address@hidden>; "AVR GCC List"
<address@hidden>
Sent: Friday, August 16, 2002 10:57 AM
Subject: Re: [avr-gcc-list] Dumb C question


> You probably already know this, but anyway.....
>
> One easy way is :
>
> enum eMenuItem
> {
>      D_this,
>      D_that,
>      D_TheOtherThing,
>      D_Last_Enum
> }
>
> The size is then simply D_Last_Enum
>
> But as enum's can have init values like :
>
> enum eMenuItem
> {
>      D_this = 50,
>      D_that,
>      D_TheOtherThing = 60,
>      D_Last_Enum
> }
>
> D_Last_Enum would be wrong, so it's not foolproof.
>
> As far as I know, there's no way to do it with sizeof ( ) .
>
>
> /Jesper
>
>
> ----- Original Message -----
> From: "Larry Barello" <address@hidden>
> To: "AVR GCC List" <address@hidden>
> Sent: Friday, August 16, 2002 6:17 PM
> Subject: [avr-gcc-list] Dumb C question
>
>
> > I am slogging into the future and learning how to use "enums".  Is there
> an
> > elegant way to find out how many items there are in a particular enum?
> i.e.
> >
> > enum eMenuItem
> > {
> >     D_this,
> >     D_that,
> >     D_TheOtherThing
> > }
> >
> > If I say "sizeof(enum eMenuItem)" I just get 2, which of course is the
> size
> > of the enum.
> >
> > Cheers!
> >
> > avr-gcc-list at http://avr1.org
> >
>
>
> avr-gcc-list at http://avr1.org
>

avr-gcc-list at http://avr1.org



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