Re: What is the rank of size_t ?

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From	Keith Thompson <Keith.S.Thompson+u@gmail.com>
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Subject	Re: What is the rank of size_t ?
Date	Wed, 27 May 2020 14:30:00 -0700
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Vir Campestris <vir.campestris@invalid.invalid> writes:
> On 27/05/2020 14:59, James Kuyper wrote:
>> size_t is a typedef, and the only portable guarantee you have is that
>> it's a typedef for an unsigned integer type with a maximum value no less
>> than 65535;
>
> Must it be a typedef for one of the common types?

No, it can be a typedef for an extended integer type.

> It occurs to me that there are some architectures where the address
> space size is not a common integer. Some of the 8086 modes, for
> example, will allow a megabyte of address space (20 bit).

Such a system will typically make size_t bigger than it strictly needs
to be.  An implementation for an 8086 can provide 32-bit integers much
more easily than it can provide 20-bit integers.

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
Working, but not speaking, for Philips Healthcare
void Void(void) { Void(); } /* The recursive call of the void */

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What is the rank of  size_t ? Spiros Bousbouras <spibou@gmail.com> - 2020-05-27 12:49 +0000
  Re: What is the rank of  size_t ? Spiros Bousbouras <spibou@gmail.com> - 2020-05-27 13:54 +0000
    Re: What is the rank of size_t ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-27 11:14 -0400
      Re: What is the rank of size_t ? Spiros Bousbouras <spibou@gmail.com> - 2020-05-27 19:03 +0000
        Re: What is the rank of size_t ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-27 18:09 -0400
    Re: What is the rank of  size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-05-30 01:54 -0700
  Re: What is the rank of size_t ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-27 09:59 -0400
    Re: What is the rank of size_t ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-27 07:37 -0700
      Re: What is the rank of size_t ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-05-27 11:02 -0400
    Re: What is the rank of size_t ? Vir Campestris <vir.campestris@invalid.invalid> - 2020-05-27 20:46 +0100
      Re: What is the rank of size_t ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-05-27 14:30 -0700
  Re: What is the rank of size_t ? Real Troll <real.troll@trolls.com> - 2020-05-28 06:35 -1000
    Re: What is the rank of size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-05-29 20:55 -0700
      Re: What is the rank of size_t ? Real Troll <Real.Troll@trolls.com> - 2020-05-30 08:05 -1000
        Re: What is the rank of size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-05-31 17:33 -0700
          Re: What is the rank of size_t ? Real Troll <real.troll@trolls.com> - 2020-06-01 01:45 -1000
            Re: What is the rank of size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-06-03 11:33 -0700
          Re: What is the rank of size_t ? Ike Naar <ike@otaku.sdf.org> - 2020-06-01 20:51 +0000
            Re: What is the rank of size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-06-03 11:16 -0700
    Re: What is the rank of size_t ? raltbos@xs4all.nl (Richard Bos) - 2020-05-31 09:12 +0000
      Re: What is the rank of size_t ? Real Troll <reasl.troll@trolls.com> - 2020-05-31 01:30 -1000
        Re: What is the rank of size_t ? raltbos@xs4all.nl (Richard Bos) - 2020-06-04 20:40 +0000
          Re: What is the rank of size_t ? Real Troll <real.troll@trolls.com> - 2020-06-04 12:50 -1000
  Re: What is the rank of  size_t ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-05-30 00:55 -0700
  Re: What is the rank of size_t ? Bonita Montero <Bonita.Montero@gmail.com> - 2020-06-02 10:06 +0200

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