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Re: print curl_easy_setopt in debug function

From: Dan Fandrich <dan_at_coneharvesters.com>
Date: Mon, 4 Jun 2018 22:02:48 +0200

On Mon, Jun 04, 2018 at 03:13:47PM -0400, Tejas wrote:
> Does anybody else think that printing out the options(curl_easy_setopt) via debug function (or -v) will be helpful?

You mean like the --libcurl option?

> I had to recently debug a libcurl application which I didn't have the source code for and felt that these logs would be useful.
>
> I have a temp hack with LD_PRELOAD so it only works on linux.
> An example might look like this
>
> ....
> curl_easy_setopt(0xptr, CURLOPT_URL, https://duckduckgo.com/)
> curl_easy_setopt(0xptr, CURLOPT_NOPROGRESS, 1)
> curl_easy_setopt(0xptr, CURLOPT_NOBODY, 1)
> curl_easy_setopt(0xptr, CURLOPT_HEADER, 1)
> ...
> curl_easy_setopt(0xptr, CURLOPT_USERAGENT, curl/7.55.1)
> curl_easy_setopt(0xptr, CURLOPT_MAXREDIRS, 50)
> curl_easy_setopt(0xptr, CURLOPT_POSTREDIR, 0)
> ...

That's exactly what --libcurl does. It's only available in the curl
command-line tool so it won't work on arbitrary libcurl-using applications, but
it sounds like that may be what you're looking for.

>>> Dan
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Received on 2018-06-04