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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 16 Mar 2016

      WHATpic.twitter.com/XMcyGQgTKy

      18 replies 66 retweets 62 likes
    2. the grugq‏ @thegrugq 16 Mar 2016
      Replying to @johnregehr

      @johnregehr @i0n1c to be fair, anyone using gcc instead of clang has decided they don't expect security ;)

      1 reply 0 retweets 5 likes
    3. Alexander Cherepanov‏ @ch3root 19 Mar 2016
      Replying to @thegrugq

      @thegrugq @johnregehr @i0n1c You are aware that this particular optimization is performed equally by clang and gcc? https://goo.gl/4eCTes 

      1 reply 1 retweet 2 likes
    4. Rich Felker‏ @RichFelker 19 Mar 2016
      Replying to @ch3root

      @ch3root @thegrugq @johnregehr @i0n1c When could that comparison possibly be useful anyway?

      1 reply 0 retweets 0 likes
    5. friend void‏ @volatile_void 19 Mar 2016
      Replying to @RichFelker

      @RichFelker Well that little dance that musl does to set f.rend in src/stdlib/strtol.c is only a different kind of UB.

      2 replies 0 retweets 0 likes
    6. Rich Felker‏ @RichFelker 19 Mar 2016
      Replying to @volatile_void

      @spun_off Yes, it should be done with uintptr_t, but really index/count, not pos/end, should be used.

      2 replies 0 retweets 1 like
      Rich Felker‏ @RichFelker 19 Mar 2016

      @spun_off The latter bad design was to match glibc ABI for binary stuff that pokes at internals (due to getc/putc macros), but...

      7:36 AM - 19 Mar 2016
      • 1 Like
      • friend void
      1 reply 0 retweets 1 like
        1. New conversation
        2. Rich Felker‏ @RichFelker 19 Mar 2016
          Replying to @RichFelker

          @spun_off ...we could instead put perma-nulls at those offsets in FILE and use a pos/len representation elsewhere in the structure.

          1 reply 0 retweets 0 likes
        3. Rich Felker‏ @RichFelker 19 Mar 2016
          Replying to @RichFelker

          @spun_off It will just take a lot of work to refit all the code using them.

          0 replies 0 retweets 0 likes
        4. End of conversation

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