Re: alloca again

[David Holland <dholland-tech%netbsd.org@localhost>]

On Tue, Oct 04, 2022 at 12:41:07AM +0300, Valery Ushakov wrote:
 > On Mon, Oct 03, 2022 at 18:32:47 +0000, David Holland wrote:
 > 
 > > On Mon, Oct 03, 2022 at 03:45:06PM +0200, Roland Illig wrote:
 > >  > > This is the current alloca definition in the libc headers:
 > >  > > 
 > >  > > #if defined(_NETBSD_SOURCE)
 > >  > > #if defined(alloca) && (alloca == __builtin_alloca) && \
 > > 
 > > Note that the part you didn't quote is
 > >    defined(__GNUC__) && __GNUC__ < 2
 > > and all it does is change the argument type to int from size_t.
 > > 
 > > This makes it highly unlikely that it ever failed, for an assortment
 > > of reasons, not the least of which is that we removed critical parts
 > > of gcc2 support from /usr/include years ago so it's not been exercised
 > > in at least that long.
 > 
 > ITYM gcc1?  Note "less than" in  __GNUC__ < 2

Oops! Yeah.

Was gcc1 still in use even in 1993? I can't remember.

-- 
David A. Holland
dholland%netbsd.org@localhost