Vahur Krouverk wrote:
> 
> Additionally, this code could be more effective, if instead of
> calculating same expression for buffer size 3 times it is calculated

Ouch, this should be:
.. for buffer size 2 + *height times it is calculated

> Moreover, for() loop is
> unneccessary, instead fwrite could be used with count parameter (2nd
> parameter) equal to *height.

And this is complete nonsense. Disregard this part of my message.

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