Re: bootconfig

[Eric Delaunay <delaunay@lix.polytechnique.fr>]

Karl M. Hegbloom wrote:
> >>>>> "Mark" == Mark van Walraven <markv@wave.co.nz> writes:
> 
>     Mark> On Thu, Feb 17, 2000 at 01:39:06PM -0800, Karl M. Hegbloom wrote:
>     >> Ok; I looked; using `sizeof' on a char * "string" isn't right, is it?
>     >> I think you have to use strlen then, or you'll get the size of a char
>     >> *, not the length of the string.  I've changed it to strlen in the
>     >> branch already.
> 
>     Mark> Where have I done this?  Note that a string literal is not the same size as
>     Mark> char *.  Try compiling and running:
> 
>     Mark> 	main() { exit(sizeof "hello"); }
> 
>     Mark> ... the exit code should be 6.
> 
>  Oh.  I just checked, and you're right.  I thought it would return the
>  size of a char *, which is probably 4.

It's because "hello" is considered an array of char by the compiler (char[6]),
not a pointer, so sizeof returns the size of the array.

Regards.

-- 
 Eric Delaunay                 | S'il n'y a pas de solution, c'est qu'il n'y
 delaunay@lix.polytechnique.fr | a pas de problème.   Devise Shadok.