Re: [Dev-C++] (no subject)

[Daniel G. <sp...@ho...>]

Given the speed of processors now, something like that can hardly be called 
expensive can it?


>From: Per Westermark <pw...@ia...>
>To: Daniel Glenfield <sp...@ho...>
>CC: jab...@ma...,      
><dev...@li...>
>Subject: Re: [Dev-C++] (no subject)
>Date: Thu, 3 Jul 2003 19:17:12 +0200 (CEST)
>
>But that ignores the problem that sizeof(temp) doesn't take into account
>the number of characters in the buffer, only total declared size of it. As
>such, sizeof(temp) should never be used for emitting text files unless you
>really, really, really - did I say really? - know what you are doing.
>strlen() is available specifically for checking the length of a string.
>
>In the first WriteFile() call, temp contains 2 characters, a terminating
>zero and an unknown number of extra garbage at the end - depending on what
>size it was declared as.
>
>In the second WriteFile() call, temp constans 3 characters, a terminating
>zero and an unknown number of extra garbage.
>
>Besides, sprintf(temp,"\r\n","") is a bit expensive since the formatting
>string didn't contain any formatting. That is when strcpy(temp,"\r\n")
>should be used.
>
>Further, since the emitted string is a constant, why not directly emit
>WriteFile(hFile,"\r\n",2,&dWritten,NULL);
>
>Any why not check the return value and the value of dWritten? And - just
>a bit more knit-picking - dWritten should be called dwWritten since it is
>of type double-word.
>
>/Per W
>
>On Thu, 3 Jul 2003, Daniel Glenfield wrote:
>
> > Hey you guys hear that? I was correct!!! Ha ha! This feels great!
> >
> > Cheers,
> > Daniel
> >
> > >From: "Jorge Abramian" <jab...@ma...>
> > >Reply-To: <jab...@ma...>
> > >To: <dev...@li...>
> > >Subject: [Dev-C++] (no subject)
> > >Date: Thu,  3 Jul 2003 09:47:14 -0400
> > >
> > >Hey guys, thanks for the help,
> > >
> > >Actually Daniel Glenfield was write. I did not try Per W. solution that
> > >probably would work either.
> > >
> > >I changed the code to the followin and it worked well:
> > >
> > >/////////
> > >  for (loop=0;loop<Number_of_Points;loop++)
> > >      {
> > >      DWORD dWritten;
> > >      sprintf (temp,"\r\n","");
> > >      WriteFile(hFile, temp, sizeof(temp),&dWritten, NULL);
> > >      sprintf (temp,"%3d",ran1[loop]);
> > >      WriteFile(hFile, temp, sizeof(temp),&dWritten, NULL);
> > >      }
> > >/////////
> > >
> > >
> > >
> > >
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