7 ms·

>Format specifiers can take extra “arguments”. - "%hhn": store the number of bytes written mod 256 to the char pointer ... Oh boy. I'll put that down for my "t

>Format specifiers can take extra “arguments”. - "%hhn": store the number of bytes written mod 256 to the char pointer ... Oh boy. I'll put that down for my "thing I don't think I wanted to know" of the day.

snerp 6y ago
There is some innocent beauty in the twistedness of printf - especially with GNU extensions.
- dfcowell 6y ago
  So I can port doom to gnu printf?
  - kortilla 6y ago
    GNU's printf specifier language is Turing complete, I believe.
    - deleted 6y ago
      [deleted]
    - deleted 6y ago
      [deleted]
  - a1369209993 6y ago
    GNU's printf is Turing complete[0]... so "yes." [0] Mentioned (but not directly linked) by TFA: https://www.usenix.org/conference/usenixsecurity15/technical-sessions/presentation/carlini https://www.usenix.org/conference/usenixsecurity15/technical...
- SahAssar 6y ago
  GNU's printf specifier language is Turing complete, I believe.
  - gu5 6y ago
    What is up with this thread? These comments are duplicated from the top thread...
    - exikyut 6y ago
      (The usernames are different)
    - dang 6y ago
      Is it possible that it's a joke based on the material of the OP? Maybe we're trapped in some sort of International Obfuscated Internet Thread Contest... Edit: ok, I'm guessing it's a joke about Turing completeness. Loops, you know.
      - gu5 6y ago
        Ohhhh... Now I get it.
      - saagarjha 6y ago
        It’s a joke about the recursion introduced here: https://news.ycombinator.com/item?id=25691615 https://news.ycombinator.com/item?id=25691615.
        Bootvis 6y ago
        Well executed jokes on HN. 2021 already is a crazy year.