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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. Melissa  💫‏ @0xabad1dea Feb 20

      Y’all I have no idea why C has a reputation for being hard to use correctly, this seems really straightforward…pic.twitter.com/8d0Er7BU29

      18 replies 117 retweets 324 likes
      Show this thread
    2. Steve Canon‏ @stephentyrone Feb 20
      Replying to @0xabad1dea

      While I realize that this is a rhetorical question, I will repeat my standard claim that every str* function should be deprecated.

      2 replies 0 retweets 11 likes
    3. Rich Felker‏ @RichFelker Feb 20
      Replying to @stephentyrone @0xabad1dea

      Except strlen, though I guess you can replace with memchr in C11.

      1 reply 0 retweets 0 likes
    4. Steve Canon‏ @stephentyrone Feb 21
      Replying to @RichFelker @0xabad1dea

      Ok, fine, you can have `str[n]len`. But that's it.

      1 reply 0 retweets 1 like
      Rich Felker‏ @RichFelker Feb 21
      Replying to @stephentyrone @0xabad1dea

      strstr, strchr, ... - basically all the ones only taking const char * are fine.

      5:44 AM - 21 Feb 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Steve Canon‏ @stephentyrone Feb 21
          Replying to @RichFelker @0xabad1dea

          No. str[n]len for conversion from legacy NUL-terminated strings, and then everything is explicit-length beyond that boundary.

          1 reply 0 retweets 2 likes
        3. Rich Felker‏ @RichFelker Feb 21
          Replying to @stephentyrone @0xabad1dea

          Going to disagree on null-termination being legacy. In many places it's safer, & of course simpler. And its a public contract outside C (pathnames etc.).

          1 reply 0 retweets 0 likes
        4. Steve Canon‏ @stephentyrone Feb 21
          Replying to @RichFelker @0xabad1dea

          I don’t think that it’s actually safer, and I know that it’s always less efficient.

          2 replies 0 retweets 1 like
        5. Rich Felker‏ @RichFelker Feb 21
          Replying to @stephentyrone @0xabad1dea

          Base,len pair is more versatile/powerful (use substr in-place) & may be more efficient, but also subject to error using wrong len.

          3 replies 0 retweets 1 like
        6.  🎃 unsafe { mem::transmute(@erincandescent) }  🎃‏ @erincandescent Feb 21
          Replying to @RichFelker @stephentyrone @0xabad1dea

          Assuming the two are wrapped together in one struct, how do you mess it up

          1 reply 0 retweets 2 likes
        7. Rich Felker‏ @RichFelker Feb 21
          Replying to @erincandescent @stephentyrone @0xabad1dea

          That is a good approach to avoid human error but at some point you need to unpack & use the values, & it's easy to accidentally write bar.base but bah.len, etc.

          1 reply 0 retweets 0 likes
        8. Melissa  💫‏ @0xabad1dea Feb 21
          Replying to @RichFelker @erincandescent @stephentyrone

          unsubscribe

          1 reply 0 retweets 2 likes
        9. Rich Felker‏ @RichFelker Feb 21
          Replying to @0xabad1dea @erincandescent @stephentyrone

          Will do. Wasn't sure if continuing this would be interesting to you or not.

          0 replies 0 retweets 0 likes
        10. End of conversation

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