Re: flexible array members

On ons, 2011-06-15 at 18:19 -0400, Tom Lane wrote:
> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > Is this a route we want to go down?
>
> > - GISTENTRY vector[1]; /* variable-length
> array */
> > + GISTENTRY vector[FLEXIBLE_ARRAY_MEMBER];
>
> Yes, I was thinking about the same trick after noting these warnings
> on Fedora 15, although personally I'd name the macro
> VARIABLE_LENGTH_ARRAY.

This macro is provided by Autoconf and it appears to be using the
standard's terminology.

Actually, the term "variable-length array" appears to refer to another
C99 feature, namely this one:

void
foo(int n)
{
bar int[n];

do_something();
}