Re: Returning data from Ada to C

[Jeffrey Carter <spam@spam.com>]

Dave Thompson wrote:

> Not if Sols is a procedure-local variable, as in the OP's code, and
> the (C) caller intends to dereference the resulting pointer, as it
> does. For the storage to remain valid for the caller to access, it
> needs either to be (in a package) at library level, or dynamically
> allocated in Ada by 'new' (and some provision e.g. another callable
> Ada routine for deallocating it if necessary) or by hand-built Ada
> call to C's malloc in which case the C code can safely free() it.

This was discussed in another message in the thread.

-- 
Jeff Carter
"You've got the brain of a four-year-old boy,
and I bet he was glad to get rid of it."
Horse Feathers
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