Re: RFC: booleans and the kernel

[Erik Andersen]

On Thu Jan 24, 2002 at 12:42:58PM -0500, Jeff Garzik wrote:
> A small issue... 
> 
> C99 introduced _Bool as a builtin type.  The gcc patch for it went into
> cvs around Dec 2000.  Any objections to propagating this type and usage
> of 'true' and 'false' around the kernel?
> 
> Where variables are truly boolean use of a bool type makes the
> intentions of the code more clear.  And it also gives the compiler a
> slightly better chance to optimize code [I suspect].
> 
> Actually I prefer 'bool' to '_Bool', if this becomes a kernel standard.

Agreed, bool is nicer.  Out of curiosity, esp 
wrt struct packing, how does gcc actully store 
a bool?  A single bit?  A full 32-bit word?

 -Erik

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Erik B. Andersen             http://codepoet-consulting.com/
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