Re: How do C -programmers do reliable string handling?

From	Muttley@dastardlyhq.com
Newsgroups	comp.lang.c++
Subject	Re: How do C -programmers do reliable string handling?
Date	2022-09-26 15:19 +0000
Organization	Aioe.org NNTP Server
Message-ID	<tgsfth$3le$1@gioia.aioe.org> (permalink)
References	(2 earlier) <tgntt1$32mqf$2@dont-email.me> <tgpv7a$3c0u7$1@dont-email.me> <tgqj4a$3gm17$1@dont-email.me> <_55YK.371274$SAT4.327548@fx13.iad> <tgr9mp$3logk$2@dont-email.me>

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On Mon, 26 Sep 2022 07:27:05 +0300
JiiPee <kerrttuPoistaTama11@gmail.com> wrote:
>On 26/09/2022 02:02, Richard Damon wrote:
>> On 9/25/22 6:01 PM, JiiPee wrote:
>>> On 25/09/2022 19:22, Gawr Gura wrote:
>>>>> Sure, although in my 30 years C++ I don't remember ever facing this 
>>>>> problem. It is quite difficult to accidentally do this.
>>>>
>>>> That being the case, why worry about someone mishandling a struct in C?
>>>> It's also quite difficult to accidentally write
>>>>
>>>> str->length = 65535
>>>>
>>>> when you meant to write
>>>>
>>>> str->length
>>>
>>> But I see other ways it could fail. Like imagine a funktion taking a 
>>> reference:
>>>
>>> void foo(int a, int& l)
>>>
>>> and then you call: foo(a, str->length);
>>> If foo() changes the variable l, then lenght gets changed. And this 
>>> might be a mistake so that is not seeing the reference.
>>>
>>> I mean, it opens much more doors to human mistakes or risks.
>>>
>> 
>> But C doesn't have references, so you can't do that.
>> 
>> In C++, it would be private, so you couldh't do it.
>
>oh but could use pointer then. so if it was int* l

Its a bit hard to accidentaly write &(str->length) rather than str->length

Thread

How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-24 20:22 +0300
  Re: How do C -programmers do reliable string handling? Bo Persson <bo@bo-persson.se> - 2022-09-24 21:00 +0200
  Re: How do C -programmers do reliable string handling? Gawr Gura <gawrgura@mail.hololive.com> - 2022-09-24 12:29 -0700
    Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-25 00:47 +0300
      Re: How do C -programmers do reliable string handling? Muttley@dastardlyhq.com - 2022-09-25 08:50 +0000
        Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-25 13:37 +0300
        Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-25 13:38 +0300
        Re: How do C -programmers do reliable string handling? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-25 13:34 +0200
          Re: How do C -programmers do reliable string handling? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-25 17:00 +0200
          Re: How do C -programmers do reliable string handling? Muttley@dastardlyhq.com - 2022-09-25 15:14 +0000
      Re: How do C -programmers do reliable string handling? Gawr Gura <gawrgura@mail.hololive.com> - 2022-09-25 09:22 -0700
        Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-26 01:01 +0300
          Re: How do C -programmers do reliable string handling? Richard Damon <Richard@Damon-Family.org> - 2022-09-25 19:02 -0400
            Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-26 07:27 +0300
              Re: How do C -programmers do reliable string handling? Muttley@dastardlyhq.com - 2022-09-26 15:19 +0000
                Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-26 21:53 +0300
                Re: How do C -programmers do reliable string handling? Richard Damon <Richard@Damon-Family.org> - 2022-09-26 20:42 -0400
                Re: How do C -programmers do reliable string handling? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-26 17:54 -0700
                Re: How do C -programmers do reliable string handling? Muttley@dastardlyhq.com - 2022-09-27 09:36 +0000
                Re: How do C -programmers do reliable string handling? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-27 15:28 +0100
          Re: How do C -programmers do reliable string handling? Gawr Gura <gawrgura@mail.hololive.com> - 2022-09-25 16:34 -0700
            Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-26 07:32 +0300
    Re: How do C -programmers do reliable string handling? Juha Nieminen <nospam@thanks.invalid> - 2022-09-26 08:33 +0000
      Re: How do C -programmers do reliable string handling? Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-26 12:18 +0300
        Re: How do C -programmers do reliable string handling? Juha Nieminen <nospam@thanks.invalid> - 2022-09-26 09:47 +0000
      Re: How do C -programmers do reliable string handling? Gawr Gura <gawrgura@mail.hololive.com> - 2022-09-26 07:40 -0700
  Re: How do C -programmers do reliable string handling? Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-24 23:04 +0300
    Re: How do C -programmers do reliable string handling? JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-25 00:44 +0300
  Re: How do C -programmers do reliable string handling? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-09-26 02:03 -0700

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