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Re: Safety of casting from 'long' to 'int'

From	Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups	comp.lang.c
Subject	Re: Safety of casting from 'long' to 'int'
Date	2026-05-14 08:13 -0700
Organization	A noiseless patient Spider
Message-ID	<86lddmhvn1.fsf@linuxsc.com> (permalink)
References	(1 earlier) <10tvefc$1vmna$2@dont-email.me> <10tvilu$u8$1@reader1.panix.com> <10tvmp7$23t17$1@dont-email.me> <10tvqcu$g53$1@reader1.panix.com> <10u1mav$1l93k$15@dont-email.me>

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Janis Papanagnou <janis_papanagnou+ng@hotmail.com> writes:

> On 2026-05-12 20:09, Dan Cross wrote:
>
>> [...] one of the major motivating
>> factors for using unsigned arithmetic in practice is to have the
>> full bit-range of the type available.  [...]
>
> Hmm.. - I'm using 'unsigned' typically to express the domain of the
> application values (not to "wrest" some more values out of a type).

I concur.  I use unsigned types a lot more often than signed types,
and needing an extra one bit of range is almost never a factor.

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Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-07 19:02 +0200
  Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-07 20:56 +0200
  Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-07 22:08 +0000
    Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-08 09:54 +0200
      Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-08 02:07 -0700
        Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-08 12:43 +0200
          Re: Safety of casting from 'long' to 'int' James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-10 20:31 -0400
            Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-11 08:55 +0200
              Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-11 17:07 +0000
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-11 11:32 -0700
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-11 18:56 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-11 22:37 +0200
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-11 14:30 -0700
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-12 08:35 +0200
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-12 00:38 -0700
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 14:05 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-12 16:32 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 17:27 +0000
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-12 15:33 +0100
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-12 16:00 -0700
                Re: Safety of casting from 'long' to 'int' scott@slp53.sl.home (Scott Lurndal) - 2026-05-12 23:14 +0000
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-12 19:48 -0700
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-13 12:48 +0100
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-13 05:26 -0700
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 15:07 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 12:16 +0200
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-13 13:20 +0100
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 14:31 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-13 17:16 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 15:52 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-14 11:43 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-14 02:59 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-14 01:39 +0000
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-14 03:57 +0200
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-14 11:49 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-14 10:57 +0000
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-14 10:22 +0000
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-14 12:32 +0100
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-14 16:11 -0700
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-15 01:12 +0100
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-15 02:30 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-15 02:38 +0200
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-14 08:37 -0700
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-14 17:00 +0100
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-14 09:44 -0700
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-14 18:57 +0100
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-14 18:51 +0200
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-14 19:19 +0100
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-14 20:50 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-15 02:52 +0200
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-15 02:07 +0100
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-15 03:39 +0200
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-14 19:04 -0700
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-14 16:40 -0700
                Re: Safety of casting from 'long' to 'int' Bart <bc@freeuk.com> - 2026-05-15 01:31 +0100
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-14 17:52 -0700
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-15 02:46 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 12:34 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 13:36 +0000
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 13:10 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-12 16:46 +0200
                Re: Safety of casting from 'long' to 'int' scott@slp53.sl.home (Scott Lurndal) - 2026-05-12 15:19 +0000
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-12 19:02 -0700
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 14:33 +0000
                Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-13 11:44 -0700
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 21:22 +0000
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 15:57 +0000
                Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-12 19:07 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 18:09 +0000
                Re: Safety of casting from 'long' to 'int' scott@slp53.sl.home (Scott Lurndal) - 2026-05-12 18:45 +0000
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-12 21:24 +0000
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 13:14 +0200
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 13:12 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 14:40 +0000
                Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-14 08:13 -0700
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-13 12:41 +0200
            Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-12 18:36 -0700
              Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-13 14:47 +0000
      Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-08 18:54 +0200
      Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-08 22:43 +0000
        Re: Safety of casting from 'long' to 'int' Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-08 16:15 -0700
        Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-09 02:32 +0200
          Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-09 01:36 +0000
            Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-10 07:23 +0200
              Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-10 12:37 +0000
                Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-11 08:06 +0200
                Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-11 10:56 +0000
          Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-13 11:32 -0700
        Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-08 20:04 -0700
          Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-09 20:14 +0000
        Re: Safety of casting from 'long' to 'int' David Brown <david.brown@hesbynett.no> - 2026-05-09 15:19 +0200
          Re: Safety of casting from 'long' to 'int' cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-10 16:20 +0000
  Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-08 09:23 -0700
    Re: Safety of casting from 'long' to 'int' Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-08 19:58 +0200
      Re: Safety of casting from 'long' to 'int' Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-13 10:38 -0700

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