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Re: Zero-copy interface

From: Aleksandar Lazic <al-curllibrary_at_none.at>
Date: Wed, 21 Jul 2010 11:21:23 +0200

On Die 20.07.2010 22:36, Daniel Stenberg wrote:
> On Mon, 19 Jul 2010, G Drukier wrote:
>
>> The way I've done this in the past is to have the code acquiring the
>> data, which in this case would be libcurl, assign an appropriate
>> block of memory itself for each incoming piece of data and pass that
>> on. The problem with that approach is knowing what allocator is being
>> used so that the buffer can be subsequently deallocated
>> properly. This problem is alleviated by your approach in which the
>> user allocates and provides the buffer.
>
> Yes, since the application knows how you want the data so it is way
> better if you allocate or by any other means provide the buffer. If
> libcurl would do that, you can bet that it won't be enough. An
> application could use mmap(), malloc(), alloca() or other
> ways. libcurl could not offer such fancy ways.

[snipp]

Sorry to interrupt, but I have a question yust for my curiosity.

Isn't possible to use the

http://curl.haxx.se/libcurl/c/curl_global_init_mem.html

as a possible start for a solution.

Maybe I'am wrong?

BR

Aleks
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Received on 2010-07-21