Groups > alt.comp.os.windows-11 > #17805

Re: MS Shadow Copy service

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	alt.comp.os.windows-11
Subject	Re: MS Shadow Copy service
Date	2025-03-17 19:50 +0100
Message-ID	<4g7malxthr.ln2@Telcontar.valinor> (permalink)
References	<mmeetj10722sjsmv75k70itprmtmomnjtu@4ax.com> <12vetjlbjnqjva8gd3rknu419n2mhce7nd@4ax.com> <vr89ec$3d9oh$1@dont-email.me> <ldglalx0ej.ln2@Telcontar.valinor> <vr9ess$ddei$1@dont-email.me>

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On 2025-03-17 16:25, Paul wrote:
> On Mon, 3/17/2025 8:16 AM, Carlos E.R. wrote:
>> On 2025-03-17 05:46, Paul wrote:
>>
>> ...
>>
>>> Everyone thinks they can write a copy program,
>>> and I am a member of that camp. You can see my OS
>>> isn't being very nice to me. Even though I wrote
>>> grease-lightning code that uses lots of RAM. Only
>>> one invocation is shown above running at 3GB/sec.
>>
>> Sure. It was part of me learning Pascal back in 1985 or thereabouts :-)
>>
>> The size of the buffer mattered a lot, I was using floppies.
>>
>>
> 
> So I cross-compiled to a 64-bit program, because the *definition*
> of fwrite() says I can write 5GB if I want.
> 
> It turns out, there is a *bug* in the C runtime, that prevents
> the 5GB fwrite() from completing. It goes into an infinite loop
> and the program stops. I had to kill it with a control-C.
> 
> The bug was filed in 2012, it is 2025, so obviously the internal
> status of the bug report was "WONT FIX", even though no human
> would say that out loud. If you're a dev, doesn't your skin crawl
> when you do stuff like this ? Then, why isn't the *documentation*
> for fwrite() modified ? I would put it like this.
> 
>     "Even though fwrite64() is implied by
> 
>      -D_FILE_OFFSET_BITS=64   # on the command line, to the compiler, early #define
> 
>      and you would hope 64bit code is 64bit code, the Microsoft
>      fwrite64() does not work properly for amounts of buffer
>      larger than 4GB. Thus the name of the routine has been
>      changed to
> 
>      fwontwrite64()
>     "

Sigh. Reir para no llorar. Spanish saying. Laugh so as not to cry.

> 
> If Raymond was still there, he'd slap someone.
> 
>      Paul
> 
> 
> 


-- 
Cheers, Carlos.

Thread

MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-16 17:02 -0400
  Re: MS Shadow Copy service User One <noreply@invalid.com> - 2025-03-16 22:03 +0000
    Re: MS Shadow Copy service Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-16 20:42 -0700
    Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-29 00:50 -0400
      Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-29 01:38 -0400
  Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-16 21:49 -0400
    Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 00:46 -0400
      Re: MS Shadow Copy service "Carlos E.R." <robin_listas@es.invalid> - 2025-03-17 13:16 +0100
        Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 11:25 -0400
          Re: MS Shadow Copy service "Carlos E.R." <robin_listas@es.invalid> - 2025-03-17 19:50 +0100
            Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 15:27 -0400
              Re: MS Shadow Copy service "Carlos E.R." <robin_listas@es.invalid> - 2025-03-17 21:34 +0100
                Re: MS Shadow Copy service Frank Slootweg <this@ddress.is.invalid> - 2025-03-18 14:45 +0000
                Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-18 20:13 -0400
    Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 01:07 -0400
      Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-27 01:00 -0400
        Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-27 02:51 -0400
  Re: MS Shadow Copy service Newyana2 <newyana@invalid.nospam> - 2025-03-17 08:41 -0400
    Re: MS Shadow Copy service Frank Slootweg <this@ddress.is.invalid> - 2025-03-17 16:45 +0000
      Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 15:32 -0400
        Re: MS Shadow Copy service Newyana2 <newyana@invalid.nospam> - 2025-03-17 17:27 -0400
          Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 18:16 -0400
          Re: MS Shadow Copy service Frank Slootweg <this@ddress.is.invalid> - 2025-03-18 13:49 +0000
  Re: MS Shadow Copy service Frank Slootweg <this@ddress.is.invalid> - 2025-03-17 16:36 +0000
    Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-27 01:05 -0400
      Re: MS Shadow Copy service Char Jackson <none@none.invalid> - 2025-03-28 00:27 -0500
        Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-28 12:17 -0400
  Re: MS Shadow Copy service ...w¡ñ§±¤ñ  <winstonmvp@gmail.com> - 2025-03-17 10:44 -0700
    Re: MS Shadow Copy service Newyana2 <newyana@invalid.nospam> - 2025-03-17 17:28 -0400
      Re: MS Shadow Copy service Paul <nospam@needed.invalid> - 2025-03-17 18:50 -0400
      Re: MS Shadow Copy service ...w¡ñ§±¤ñ  <winstonmvp@gmail.com> - 2025-03-20 11:52 -0700
        Re: MS Shadow Copy service micky <NONONOmisc07@fmguy.com> - 2025-03-27 01:09 -0400

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