Re: Memory issue
On Aug 10, 11:44 pm, Juha Nieminen <nos...@thanks.invalid> wrote:
Alf P. Steinbach wrote:
This default response can be overridden in three ways:
* By replacing the class' operator new (this is just an
unfortunate name for the allocation function; it's
*called* by a 'new' expression, which after that call
proceeds to call the specified constructor, i.e. you're
not overriding what a 'new' expression does by defining
* By replacing the global namespace operator new (ditto
* By installing a new-handler (see set_new_handler, I
think the name was).
Actually there's a fourth: Write your own memory allocator and
give it to your std::vector instance as template parameter.
(Not that this would be any easier than any of the above, but
just pointing out.)
It's not a question of easier; each solution does something
different. Replacing the class' operator new doesn't affect
allocations in an std::vector. Replacing the global operator
new, or installing a new handler, affects all allocations,
everywhere. Using a custom memory allocator affects only
allocations in the vector itself.
James Kanze (GABI Software) email:firstname.lastname@example.org
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