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| From | Keith Thompson <kst-u@mib.org> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: no stack |
| Date | 2015-03-26 08:48 -0700 |
| Organization | None to speak of |
| Message-ID | <87oanfoj32.fsf@kst-u.example.com> (permalink) |
| References | (3 earlier) <metqrr$o19$1@dont-email.me> <kfn384tcbj3.fsf@x-alumni2.alumni.caltech.edu> <meuo01$b3k$1@dont-email.me> <kfna8z0acia.fsf@x-alumni2.alumni.caltech.edu> <mf0dul$h6r$1@dont-email.me> |
David Brown <david.brown@hesbynett.no> writes:
[...]
> However, I /did/ re-read section 6.2.4 "Storage duration of objects",
> and your example looks sound to me. I also found n interesting
> exception (in light of other threads in c.l.c. at the moment) is that
> the storage lifetime of a VLA begins at its declaration, not at the
> start of the block.
It has to. The size to be allocated cannot in general be known until
the declaration is reached.
{
// ...
size_t len = some_computed_value;
int vla[len];
// ...
}
The vla cannot be allocated at the start of the block because the value
of len isn't known yet.
--
Keith Thompson (The_Other_Keith) kst-u@mib.org <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something. This is something. Therefore, we must do this."
-- Antony Jay and Jonathan Lynn, "Yes Minister"
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no stack fir <profesor.fir@gmail.com> - 2015-03-22 02:09 -0700
Re: no stack wssimms@gmail.com - 2015-03-22 02:52 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 03:04 -0700
Re: no stack Richard Heathfield <rjh@cpax.org.uk> - 2015-03-22 13:15 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 07:37 -0700
Re: no stack Lőrinczy Zsigmond <nospam@for.me> - 2015-03-22 11:10 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 03:30 -0700
Re: no stack jacob navia <jacob@jacob.remcomp.fr> - 2015-03-22 11:15 +0100
Re: no stack jacob navia <jacob@jacob.remcomp.fr> - 2015-03-22 11:23 +0100
Re: no stack jacob navia <jacob@jacob.remcomp.fr> - 2015-03-22 11:24 +0100
Re: no stack jacob navia <jacob@jacob.remcomp.fr> - 2015-03-22 11:41 +0100
Re: no stack Keith Thompson <kst-u@mib.org> - 2015-03-22 12:18 -0700
Re: no stack Melzzzzz <mel@zzzzz.com> - 2015-03-22 20:25 +0100
Re: no stack Stephen Sprunk <stephen@sprunk.org> - 2015-03-23 12:17 -0500
Re: no stack James Kuyper <jameskuyper@verizon.net> - 2015-03-23 13:22 -0400
Re: no stack Bartc <bc@freeuk.com> - 2015-03-22 11:13 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 04:29 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 04:33 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 04:39 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 04:46 -0700
Re: no stack Bartc <bc@freeuk.com> - 2015-03-22 12:16 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 05:25 -0700
Re: no stack Bartc <bc@freeuk.com> - 2015-03-22 12:59 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 07:15 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 15:39 +0100
Re: no stack Bartc <bc@freeuk.com> - 2015-03-22 19:47 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 02:18 -0700
Re: no stack Bartc <bc@freeuk.com> - 2015-03-23 11:21 +0000
Re: no stack Richard Heathfield <rjh@cpax.org.uk> - 2015-03-23 11:35 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 07:07 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 07:28 -0700
Re: no stack Bartc <bc@freeuk.com> - 2015-03-23 14:56 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 08:13 -0700
Re: no stack Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 13:01 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-23 13:14 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 05:30 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 14:15 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 04:49 -0700
Re: no stack Melzzzzz <mel@zzzzz.com> - 2015-03-22 12:37 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 05:06 -0700
Re: no stack Melzzzzz <mel@zzzzz.com> - 2015-03-22 13:23 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 05:48 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 08:51 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 07:39 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 07:54 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 14:45 +0100
Re: no stack Richard Heathfield <rjh@cpax.org.uk> - 2015-03-22 14:20 +0000
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 15:43 +0100
Re: no stack Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 13:09 -0700
Re: no stack Bartc <bc@freeuk.com> - 2015-03-22 20:38 +0000
Re: no stack Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 13:54 -0700
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 02:08 -0700
Re: no stack Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-03-23 12:07 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-23 07:13 -0700
Re: no stack Kaz Kylheku <kaz@kylheku.com> - 2015-03-22 20:59 +0000
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 07:35 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 16:27 +0100
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-22 05:10 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-22 13:56 +0100
Re: no stack John Bode <jfbode1029@gmail.com> - 2015-03-24 09:01 -0700
Re: no stack Keith Thompson <kst-u@mib.org> - 2015-03-24 12:30 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-25 09:16 +0100
Re: no stack Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-25 09:00 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-25 17:33 +0100
Re: no stack James Kuyper <jameskuyper@verizon.net> - 2015-03-25 13:35 -0400
Re: no stack Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-25 16:22 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-26 08:54 +0100
Re: no stack Keith Thompson <kst-u@mib.org> - 2015-03-26 08:48 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-26 23:00 +0100
Re: no stack Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-28 09:15 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-28 18:17 +0100
Re: no stack Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-28 12:36 -0700
Re: no stack Richard Damon <Richard@Damon-Family.org> - 2015-03-28 17:33 -0400
Re: no stack Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-30 08:04 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-04-07 00:39 +0200
Re: no stack fir <profesor.fir@gmail.com> - 2015-03-26 01:21 -0700
Re: no stack Keith Thompson <kst-u@mib.org> - 2015-03-25 10:57 -0700
Re: no stack David Brown <david.brown@hesbynett.no> - 2015-03-25 21:55 +0100
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