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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. Rich Felker‏ @RichFelker 31 Oct 2017
      Replying to @johnregehr @nwmcsween @shafikyaghmour

      Because C doesn't specify that text files work that way. If they're record-sequences of lines they might read very strange in binary mode.

      1 reply 1 retweet 1 like
    2. Rich Felker‏ @RichFelker 31 Oct 2017
      Replying to @RichFelker @johnregehr and

      ISO C's notion of "text file" is utterly idiotic and counter to any real-world practices in the past 3-4 decades.

      1 reply 1 retweet 2 likes
    3. John Regehr‏ @johnregehr 31 Oct 2017
      Replying to @RichFelker @nwmcsween @shafikyaghmour

      ok this is a corner of ISO I will happily never learn about in detail I hope

      1 reply 0 retweets 2 likes
    4. Rich Felker‏ @RichFelker 31 Oct 2017
      Replying to @johnregehr @nwmcsween @shafikyaghmour

      If your assumption is POSIX||Windows, yes, assuming text files are either same as binary or just do silly \r\n stuff is fine.

      1 reply 0 retweets 0 likes
    5. John Regehr‏ @johnregehr 31 Oct 2017
      Replying to @RichFelker @nwmcsween @shafikyaghmour

      I'll handle violations of this assumption with the same priority that I handle non-two's-complement

      1 reply 1 retweet 5 likes
    6. Adrien‏ @TheEpsylon 31 Oct 2017
      Replying to @johnregehr @RichFelker and

      Or non-divisible by 8 CHAR_BIT

      3 replies 0 retweets 1 like
    7. William D. Jones‏ @cr1901 31 Oct 2017
      Replying to @TheEpsylon @johnregehr and

      I'm still waiting for that new 9-bit char CPU w/ a C compiler, just because it would be twisted and hilarious!

      2 replies 0 retweets 0 likes
    8. Matt‏ @matt_dz 31 Oct 2017
      Replying to @cr1901 @TheEpsylon and

      https://blog.legitbs.net/2017/10/clemency-showing-mercy.html … -- bugs esp. fun part: "determining if the emulator, disassembler, assembler, linker, or compiler was the culprit."

      1 reply 0 retweets 0 likes
    9. William D. Jones‏ @cr1901 31 Oct 2017
      Replying to @matt_dz @TheEpsylon and

      Yes I know about Clemency... doesn't have a C compiler I don't think? Which is the component required for maximum hilarity as all >>

      2 replies 0 retweets 0 likes
    10. William D. Jones‏ @cr1901 31 Oct 2017
      Replying to @cr1901 @matt_dz and

      the world's C software falls apart b/c you added a single bit :D!

      1 reply 0 retweets 0 likes
      Rich Felker‏ @RichFelker 31 Oct 2017
      Replying to @cr1901 @matt_dz and

      No, rather it's got an unsatisfiable constraint that precludes doing anything useful.

      10:34 AM - 31 Oct 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Rich Felker‏ @RichFelker 31 Oct 2017
          Replying to @RichFelker @cr1901 and

          On the one hand, binary read/write have to be data preserving round-trip (full 9 bits)...

          2 replies 0 retweets 0 likes
        3. Rich Felker‏ @RichFelker 31 Oct 2017
          Replying to @RichFelker @cr1901 and

          ...and on the other hand, they have to be able to communicate with the outside world in protocols all built on octets. No way to reconcile.

          1 reply 0 retweets 1 like
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