I recently tooted my happiness with curl’s tracing capabilities on mastodon (the place to be for awesome curl news) and people showed interest in hearing more details about it. So, here we go… The case for logging/tracing First, if you have added printf(...) statements before, only to remove them again after a bug was fixed, you should consider tracing. The investment is worth it. One challenge when putting your code into the hands of people on the internet is that they often run it in en...