My intention for going for download in one go is for firmware download from
the server??

On Mon, Oct 22, 2012 at 7:56 PM, Thorben Thuermer <r00t_at_constancy.org>wrote:

> On Mon, 22 Oct 2012 19:12:00 +0800 JALINDAR <jalindergat_at_gmail.com> wrote:
> > Hi Forum,
> >
> > I need to download file with size of 4MB. I have seen the
> CURLOPT_WRITEFUNCTION
> > function setting of curl handle. But it can download maximum of 100KB
> data
> > at once when
> > CURLOPT_HEADER<
> http://curl.haxx.se/libcurl/c/curl_easy_setopt.html#CURLOPTHEADER>is
> > set to 1.
> >
> > How can I download large file in one go?
> > <http://curl.haxx.se/libcurl/c/curl_easy_setopt.html#CURLOPTHEADER>
>
> why would you want to receive the files in one go?
> the normal approach is to have the writefunction collect the data it
> receives
> until the transfer is done.
> (for example by writing it to a file, or copying it to a memory buffer.)
>
> the only way to achieve what you want would be to increase the buffer size,
> but alas:
> "CURLOPT_BUFFERSIZE
> Pass a long specifying your preferred size (in bytes) for the receive
> buffer
> in libcurl. The main point of this would be that the write callback gets
> called
> more often and with smaller chunks. This is just treated as a request, not
> an
> order. You cannot be guaranteed to actually get the given size. (Added in
> 7.10)
> This size is by default set as big as possible (CURL_MAX_WRITE_SIZE), so
> it only
> makes sense to use this option if you want it smaller."
>
> > *Thanks
> > Jalindar
>
> - T.
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-- 
*Best Regards
Jalindar
Taipei,Taiwan.
Phone: +8860970698242
*

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Received on 2012-10-23