Re: Function Callback for Error Messages
Date: Tue, 20 Nov 2007 10:32:48 +0100 (CET)
On Tue, 20 Nov 2007, Naiem Shaik wrote:
> Curl provides an option of calling curl_easy_setopt with CURLOPT_ERRORBUFFER
> for providing error messages if any, but is there any callback I can
> register that would be called when error occurs.
No, but every function libcurl provides also returns an error code on errors.
> Because currently by registering with CURLOPT_ERRORBUFFER, I am not sure
> when CURL would write error message into it.
Write a zero to the first byte before invoking libcurl, then you can check the
first byte for non-zero to see if there's a string stored there.
The plan and intent is to always provide an error message when an error is
returned, but that isn't really the case (yet).
-- Commercial curl and libcurl Technical Support: http://haxx.se/curl.htmlReceived on 2007-11-20