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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. John Regehr‏ @johnregehr May 23

      crap, I hate it when I agree with @ErrataRob https://blog.erratasec.com/2018/05/c-is-too-low-level.html …

      10 replies 3 retweets 33 likes
      Show this thread
    2. Sam Tobin-Hochstadt‏ @samth May 23
      Replying to @johnregehr @ErrataRob

      Isn't the solution to this puzzle that C is both too low-level (requires attention to the irrelevant) and not low level enough (you can only write a kernel/runtime/etc by lying to C and hoping it doesn't break)?

      1 reply 0 retweets 12 likes
    3. John Regehr‏ @johnregehr May 23
      Replying to @samth @ErrataRob

      sound about right and the PDP-11 thing is a weird red herring.

      1 reply 0 retweets 3 likes
    4. Sam Tobin-Hochstadt‏ @samth May 23
      Replying to @johnregehr @ErrataRob

      Isn't the PDP-11 important in explaining why C has the abstractions it does? (Obviously it's not the right explanation for "why are x86 processors really complicated and unpredictable".)

      2 replies 0 retweets 1 like
    5. John Regehr‏ @johnregehr May 23
      Replying to @samth @ErrataRob

      I don't find it an interesting or relevant explanation

      2 replies 0 retweets 2 likes
    6. Sam Tobin-Hochstadt‏ @samth May 23
      Replying to @johnregehr @ErrataRob

      Meaning that C would have been similar even if K&R had a different processor to work on? Or that C changed enough that the history isn't relevant to what it is now? Or something else (you know these things much better than I do)?

      2 replies 0 retweets 1 like
    7. John Regehr‏ @johnregehr May 23
      Replying to @samth @ErrataRob

      sure, both of those things. I mean, besides ++ corresponding with an autoincrement addressing mode there's just not much to this.

      2 replies 0 retweets 2 likes
    8. JF Bastien‏ @jfbastien May 23
      Replying to @johnregehr @samth @ErrataRob

      Actually the reason array indexing in C can be commuted such that 42[arr] is the same as arr[42] can be traced back to old Intel versus AT&T assembly differences.

      2 replies 0 retweets 2 likes
      Rich Felker‏ @RichFelker May 23
      Replying to @jfbastien @johnregehr and

      What??

      8:25 PM - 23 May 2018
      • 1 Like
      • JF Bastien
      1 reply 0 retweets 1 like
        1. New conversation
        2. JF Bastien‏ @jfbastien May 23
          Replying to @RichFelker @johnregehr and

          😁👍pic.twitter.com/AAhGSOBBig

          1 reply 0 retweets 3 likes
        3. John Regehr‏ @johnregehr May 23
          Replying to @jfbastien @RichFelker and

          how many times have you used that today

          1 reply 0 retweets 2 likes
        4. JF Bastien‏ @jfbastien May 23
          Replying to @johnregehr @RichFelker and

          Well I’ve been wearing it all day. Got chuckles from my boss’ boss too so I’d say it’s working out well.

          0 replies 0 retweets 5 likes
        5. End of conversation

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