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Re: [Fwd: Possible bug in the memory chunk management.]


From: Wolfram Gloger
Subject: Re: [Fwd: Possible bug in the memory chunk management.]
Date: 17 Feb 2002 22:59:35 -0000

Hello,

> You are right, we did made a mistake but nevertheless you missed
> the point, Hence even if we will make buf_h = calloc(1, 7);
> the problem is with the second loop who overwrite the buffer.

No way, note that buf_h is a pointer to _pointers_ (or array of
_pointers_), hence you need to make at least

char **buf_h;
buf_h = calloc(7, sizeof(char*));

or

buf_h = calloc(1, 7*sizeof(char*))

if you want to later access buf_h[6].

> Please take a second look at the source (change buf_h = calloc(1, 6) to
> buf_h = calloc(1, 7); ) and still the output will be buf_h[4] = 1
> This been tested on slackware linux 8.0.

I haven't checked your source further.

Regards,
Wolfram.



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