cURL

The curl project has been alive for decades. We gradually introduce new features and options into the command line tool and library over time and we work hard never to break existing behavior and keep the ABI and API stable. Still, some features and ... [More] functionalities go out of style sooner or later. Versions get deprecated, … Continue reading Deprecating things in curl → [Less]

Welcome to the 206th curl release, 59 days since we shipped curl 7.81.0. The extra three days because I was away on the day the release would normally have been done. (I call it Impartial Content as a little play on the HTTP 206 response code ... [More] message.) Download curl 7.82.0 from curl.se as always. Release … Continue reading curl 7.82.0 Impartial Content → [Less]

I was a guest at the software at scale podcast a while ago and the recording went up recently. We talked about a lot of things curl, including: The complexity behind HTTP. What goes on behind the scenes when I make a web request? The organizational ... [More] work behind internet-wide RFCs, like HTTP/3. Rust in curl. … Continue reading curl on “software at scale” → [Less]

In the beginning of every year I jot down a couple of “larger things” I would like to work on during the year. Some of the ideas are more in the maybe category and meant to be tested on the audience and users to see what others think and want, others are features I believe … Continue reading The great curl roadmap 2022 webinar →

I’m the lead developer in the curl project. We make the command line tool curl and the library libcurl, for doing Internet transfers. The command line tool uses the library for all the internet transfer heavy lifting. The command line tool is ... [More] somewhat of a shell binding to access libcurl. We make these things. We … Continue reading My work on tool vs library → [Less]

The curl “cockpit” is yet again extended with a new command line option: --json. The 245th command line option. curl is a generic transfer tool for sending and receiving data across networks and it is completely agnostic as to what it transfers or even why. To allow users to craft all sorts of transfers, or … Continue reading curl dash-dash-json →

I did an online presentation with this name for the Rust Linz meetup, on January 27 2022. This is the recording: The individual slides are also available. Content quickly In this presentation I talk about how libcurl’s most important aspect is the stable ABI and API. If we just maintain those, we can change the … Continue reading curl with rust →

In the curl project we switched to using git for source code control in March 2010. Since then we have exact tracking of every commit author to the project. In the times before git, we used CVS which doesn’t properly separate committers from authors. ... [More] The number of commit authors in curl has gradually been increasing … Continue reading 1,000 commit authors → [Less]

On Friday January 21, 2022 I received this email. I tweeted about it and it took off like crazy. The email comes from a fortune-500 multi-billion dollar company that apparently might be using a product that contains my code, or maybe they have ... [More] customers who do. Who knows? My guess is that they do this … Continue reading LogJ4 Security Inquiry – Response Required → [Less]

I have had my share of adventures with URL parsers and their differences in the past. The current state of my research on the topic of (failed) URL interoperability remains available in this GitHub document. Use one and only one There is still no ... [More] common or standard URL syntax format in sight. A string that … Continue reading Don’t mix URL parsers → [Less]