On Sat, 21 Mar 2009, Shivanand wrote:

> Libcurl documentation specifies that curl_easy_setopt APIs returns CURLE_OK
> if it is successful else returns a non zero value.
>
> I would like to know if really this API can fail? Under what circumstances
> it can fail?

Yes it can fail and the circumstances vary from option to option. For the
exact function I suggest you read the code!

> Is the return value needs to be checked for these APIs. SInce my code has
> 20-30 set-opts and the code becomes lengthy.

Well, that's how C works...

> Same problem is with curl_slist_append. Do i need to check the pointer
> returned by this API?

Yes, if you want to survive when it returns error. That might of course be
rare, but it can still return NULL - like when out of memory.

-- 
  / daniel.haxx.se