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Groups > comp.lang.c > #110422

Re: Help on this typedef

From Ike Naar <ike@iceland.freeshell.org>
Newsgroups comp.lang.c
Subject Re: Help on this typedef
Date 2017-05-19 21:15 +0000
Organization A noiseless patient Spider
Message-ID <slrn3vfsohuo9r.7hu.ike@iceland.freeshell.org> (permalink)
References (8 earlier) <799899ab-ccf3-49a4-a928-d405dc142fff@googlegroups.com> <lnwp9e15td.fsf@kst-u.example.com> <1c41ec70-5868-4a28-a724-58f4bb70e593@googlegroups.com> <lno9uo24cj.fsf@kst-u.example.com> <8760gwio07.fsf@bsb.me.uk>

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On 2017-05-19, Ben Bacarisse <ben.usenet@bsb.me.uk> wrote:
> I think something might be missing from the standard in the area.  I
> think no one disputes that this is defined behaviour:
>
>   int *ip = malloc(10);
>   if (ip) ip[3] = 42;

If sizeof (int) > 2 the assignment to ip[3] writes beyond the
allocated space.

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Help on this typedef fl <rxjwg98@gmail.com> - 2017-05-10 19:12 -0700
  Re: Help on this typedef Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-05-10 21:06 -0600
  Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-10 20:11 -0700
    Re: Help on this typedef David Brown <david.brown@hesbynett.no> - 2017-05-11 10:03 +0200
      Re: Help on this typedef supercat@casperkitty.com - 2017-05-11 08:35 -0700
        Re: Help on this typedef David Brown <david.brown@hesbynett.no> - 2017-05-12 10:34 +0200
          Re: Help on this typedef joel.rees@gmail.com - 2017-05-12 06:01 -0700
          Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-12 09:38 -0700
        Re: Help on this typedef joel.rees@gmail.com - 2017-05-12 05:08 -0700
          Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-13 14:25 -0700
            Re: Help on this typedef joel.rees@gmail.com - 2017-05-14 23:36 -0700
              Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-15 07:23 -0700
                Re: Help on this typedef joel.rees@gmail.com - 2017-05-18 07:40 -0700
                Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-18 09:35 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-18 10:59 -0700
                Re: Help on this typedef joel.rees@gmail.com - 2017-05-18 23:40 -0700
                Re: Help on this typedef jadill33@gmail.com - 2017-05-19 08:12 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 08:41 -0700
                Re: Help on this typedef jadill33@gmail.com - 2017-05-19 09:41 -0700
                Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-19 09:34 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 10:18 -0700
                Re: Help on this typedef Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-19 21:35 +0100
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 14:16 -0700
                Re: Help on this typedef Ike Naar <ike@iceland.freeshell.org> - 2017-05-19 21:15 +0000
                Re: Help on this typedef Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-19 23:54 +0100
                Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-19 14:25 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 15:18 -0700
                Re: Help on this typedef Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-19 23:52 +0100
                Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-19 16:42 -0700
                Re: Help on this typedef Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-20 01:16 +0100
                Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-20 01:58 -0700
                Re: Help on this typedef joel.rees@gmail.com - 2017-05-20 02:25 -0700
                Re: Help on this typedef joel.rees@gmail.com - 2017-05-19 22:09 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 23:23 -0700
                Re: Help on this typedef "James R. Kuyper" <jameskuyper@verizon.net> - 2017-05-19 13:33 -0400
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 13:44 -0700
                Re: Help on this typedef jameskuyper@verizon.net - 2017-05-19 19:20 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 23:30 -0700
                Re: Help on this typedef jameskuyper@verizon.net - 2017-05-20 07:20 -0700
                Re: Help on this typedef jameskuyper@verizon.net - 2017-05-20 07:46 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-22 10:50 -0700
                Re: Help on this typedef "James R. Kuyper" <jameskuyper@verizon.net> - 2017-05-18 12:37 -0400
                Re: Help on this typedef Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-18 20:02 +0100
                Re: Help on this typedef joel.rees@gmail.com - 2017-05-19 00:20 -0700
                Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-19 09:51 -0700
                Re: Help on this typedef supercat@casperkitty.com - 2017-05-19 10:31 -0700
                Re: Help on this typedef Ike Naar <ike@iceland.freeshell.org> - 2017-05-19 19:48 +0000
                Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-20 08:47 -0700
        Re: Help on this typedef "Patrick.Schluter" <Patrick.Schluter@free.fr> - 2017-05-27 18:50 +0200
  Re: Help on this typedef joel.rees@gmail.com - 2017-05-12 06:17 -0700
    Re: Help on this typedef supercat@casperkitty.com - 2017-05-12 08:46 -0700
      Re: Help on this typedef joel.rees@gmail.com - 2017-05-12 18:11 -0700
        Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-12 18:37 -0700
          Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-13 09:44 -0700
            Re: Help on this typedef Keith Thompson <kst-u@mib.org> - 2017-05-13 13:47 -0700
              Re: Help on this typedef Robert Wessel <robertwessel2@yahoo.com> - 2017-05-14 00:28 -0500
              Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 13:39 -0700
                Re: Help on this typedef raltbos@xs4all.nl (Richard Bos) - 2017-05-15 13:02 +0000
                Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-15 07:30 -0700
        Re: Help on this typedef supercat@casperkitty.com - 2017-05-12 20:45 -0700
        Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-13 09:57 -0700
        Re: Help on this typedef Philip Lantz <prl@canterey.us> - 2017-05-13 12:07 -0700
        Re: Help on this typedef David Brown <david.brown@hesbynett.no> - 2017-05-14 15:34 +0200
      Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 12:48 -0700
        Re: Help on this typedef supercat@casperkitty.com - 2017-05-15 07:39 -0700
          Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-24 08:23 -0700
            Re: Help on this typedef supercat@casperkitty.com - 2017-05-24 09:17 -0700
              Re: Help on this typedef Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-27 06:15 -0700

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