[Gambas-user] Memory Stream Help

[Randall Morgan]

I do the C structures defined. But the functions return pointers to the
structures created by Tidy. So I have to Read the data into my local copy
using the pointer returned. Which I feel is very inefficient. I have just
started to play around with defining offset values for each location in the
structure returned by tidy and simply accessing tidy's structures directly.
I feel this is more efficient that making local copies of the structures.

I am new to Gambas but not programming in general. So any pointer on how
best to work with external libraries would be helpful. Once I have a well
defined interface to the external library I want to package it as a
component. There other external libraries I'd like to package as components
as well. So this is just my first attempted. I've had some minor successes
so far. But I want to make the library wrapper as useful as possible by
including at least a reasonable subset of Tidy's capabilities.

I would love to see some Gambas 3 samples code for reading and writing
c-structures using pointers....



2011/11/21 Benoît Minisini <gambas at ...1...>

> Le 20/11/2011 05:42, Randall Morgan a écrit :
> > Hi All,
> >
> > Can someone give me a sample of using memory streams to read and write
> data
> > to/from memory.
> >
> > I am needing to read data from a C structure allocated by the external
> > library (tidy) with the pointer returned to Gambas.
> >
> > I read the page on external libraries many times before learning the
> Gambas
> > 3 does not allow the use of READ on pointers any longer.
> > This should be updated on the how to use external libraries page in the
> > section "More on Pointers"
> >
> > Still, with the given documentation for Gambas3 I am unable to get my
> > program to compile. So a sample of reading from memory using a pointer
> > would be very helpful.
> >
> > Thanks!
> >
>
> If you have the definition of the C structure, you should use a Gambas
> structure to read or write it.
>
> --
> Benoît Minisini
>
>
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