|author||Rich Felker <firstname.lastname@example.org>||2013-07-04 23:58:16 -0400|
|committer||Rich Felker <email@example.com>||2013-07-04 23:58:16 -0400|
move core memalign code from aligned_alloc to __memalign
there are two motivations for this change. one is to avoid gratuitously depending on a C11 symbol for implementing a POSIX function. the other pertains to the documented semantics. C11 does not define any behavior for aligned_alloc when the length argument is not a multiple of the alignment argument. posix_memalign on the other hand places no requirements on the length argument. using __memalign as the implementation of both, rather than trying to implement one in terms of the other when their documented contracts differ, eliminates this confusion.
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