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Re: [PATCH] libio: Add small optimization on fmemopen

On 09/23/2016 07:17 AM, Ondřej Bílka wrote:

  size_t clen = sizeof (fmemopen_cookie_t);
  if (FLEXMEMBER_NEEDS_ALIGNMENT)
    clen += _Alignof (fmemopen_cookie_t) - 1;


Couldn't you just use __attribute__((aligned(16))) or is that also
buggy?


Buggy in what sense?
malloc isn't guaranteed to provide 16-byte alignment on all glibc architectures. 

Florian
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