On Wed, Jul 17, 2013 at 4:01 PM, Joran Dirk Greef <[email protected]> wrote:
> I have a question regarding how TLS socket write works and am going through
> the source now too.
>
> The documentation details this behavior as:
>
> "Returns true if the entire data was flushed successfully to the kernel
> buffer. Returns false if all or part of the data was queued in user memory.
> 'drain' will be emitted when the buffer is again free. The optional callback
> parameter will be executed when the data is finally written out - this may
> not be immediately."
>
> If I pass a 1mb-2mb buffer to write(), does a true return code or executed
> callback guarantee that I can overwrite parts of that buffer, without
> changing any data that was passed to the write?

Yes.

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