[En-Nut-Discussion] pointer don't work?

[Mathieu SOULARD]

pointer = &buff;

&buf is char **
pointer is char *

you're assigning a char ** to a char *

2011/5/12 Landsperger, Werner <Werner.Landsperger at cassidian.com>

> Hey Stefan,
>
> sorry I don't understand you completely. This Codesniped is only a
> sample and not the whole code. The buff I'm reading in contents 128
> bytes/chars. But the pointer doesn't work and I dont know why. Do you
> know what I mean?
>
> Greets,
>
> Werner
>
> -----Original Message-----
> From: en-nut-discussion-bounces at egnite.de
> [mailto:en-nut-discussion-bounces at egnite.de] On Behalf Of Stefan Hax
> Sent: Thursday, May 12, 2011 3:39 PM
> To: Ethernut User Chat (English)
> Subject: Re: [En-Nut-Discussion] pointer don't work?
>
> fread() returns a char count but the buffer handed to fread does not get
> null terminated ... you have to look at cnt.
>
> Stefan.
>
> Landsperger, Werner wrote:
> > Hey together,
> > I'm really become to desperate....
> >
> > char *buff;
> > buff = malloc(128);
> > char *pointer;
> >
> > cnt = fread(buff, 1, 128, istream);    // read in a buffer -> cnt =
> 128
> > pointer = &buff;                               // should set a pointer
> > to buff
> > cnt = strlen(pointer);                        // should be 128 but ->
> > cnt = 22 ????
> >
> > I've also tried *pointer and so on but with no result! where is my
> > error in reasoning?
> > Normaly pointer are no problem but I can't see the problem!!
> >
> > Thanks a lot!!
> >
> > Greets Werner
> >
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> > http://lists.egnite.de/mailman/listinfo/en-nut-discussion
> >
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