2011/2/26 Dirk Manske <dm_at_nonitor.de>

> On Saturday 26 February 2011 15:49:02 Iskander Ben mahmoud wrote:
> > There is any way to get what WriteFunction will return ?
> Please read the docs again:
>
> "CALLBACK OPTIONS / CURLOPT_WRITEFUNCTION:
> Function pointer that should match the following prototype: size_t
> function( void *ptr, size_t size, size_t nmemb, void *userdata); This
> function gets called by libcurl as soon as there is data received that needs
> to be saved. The size of the data pointed to by ptr is size multiplied with
> nmemb, it will not be zero terminated. Return the number of bytes actually
> taken care of. If that amount differs from the amount passed to your
> function, it'll signal an error to the library. This will abort the transfer
> and return CURLE_WRITE_ERROR.
> "
>
> You shouldn't use strlen.
>
> > size_t verif_function(void *ptr, size_t size, size_t nmemb, void
> *userdata)
> > {
> > if(strlen(ptr)>144)
> > return 0;
> > else
> > return 1;
> > }
>
> Rewrite this to:
>
> size_t verif_function(void *ptr, size_t size, size_t nmemb, void *userdata)
> {
> size_t len = size * nmemb;
> if(len>144)
> return 0; /* curl will abort with CURLE_WRITE_ERROR */
> else
> return len; /* ok */
> }
>
>
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Ok thanks i got it :)

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Received on 2011-02-26