• Erik de Castro Lopo's avatar
    Don't use readdir_r if deprecated · 2951cd01
    Erik de Castro Lopo authored
    GNU glibc 2.23 and later deprecate `readdir_r` in favour of plain old
    `readdir` which in some upcoming POSIX standard is going to required to be
    re-entrant.
    
    Eventually we want to drop `readder_r` all together, but want to be
    compatible with older unixen which may not have a re-entrant `readdir`.
    
    Solution is to make systems with *known* re-entrant `readir` use that and
    use `readdir_r` whereever we have it and don't *know* that `readdir` is
    re-entrant.
    
    Closes: https://github.com/haskell/unix/issues/70
    2951cd01
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