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typos and segfaults
typos and segfaults


  • Arctic Code Vault Contributor


@Rockbox @pycurl @libssh2 @NEAT-project @c-ares @curl @maintainers


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Hi there, I'm Daniel 👋

I am and have been an avid open source developer since the mid 1990s. You find most of my contributions in the curl project and other network related projects.

File issues and pull-requests in any and all of the projects I participate in. Contact me via email at on twitter at @bagder or on IRC in the #curl channel on freenode.

Everything about me and my projects are also available on


  1. A command line tool and library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, MQTT, FILE, IMAP, SMTP, POP3, RTSP…

    C 18.7k 4.1k

  2. stand-alone application for DoH (DNS-over-HTTPS) name resolves and lookups

    C 249 46

  3. A document describing the HTTP/3 and QUIC protocols

    1.7k 161

  4. Video tutorials for how to write internet clients using libcurl

    C 22 3

  5. The book documenting the curl project, the curl tool, libcurl and everything related to this.

    Perl 822 176

  6. A detailed document explaining and documenting HTTP/2, the successor to the widely popular HTTP/1.1 protocol

    CSS 1.9k 260

2,369 contributions in the last year

Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Mon Wed Fri

Contribution activity

November 2020

Created a pull request in curl/curl that received 22 comments

curl: add variables to --write-out to allow it used as custom error message

In particular, these ones can help a user to create its own error message when one or more transfers fail. onerror - lets a user only show the rest…

+163 −106 22 comments

Created an issue in curl/curl that received 5 comments

The ngtcp2 travis CI job fail several tests consistently

The test failures seem rather consistent now since a while back, but I've failed to reproduce them locally. example. They only seem to happen in th…

3 contributions in private repositories Nov 26

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