new module 'aligned_alloc'

[Bruno Haible]

Here comes the module 'aligned_alloc'. It contains a workaround: On AIX 7.1
and 7.2, aligned_alloc returns NULL when the alignment is < sizeof (void *).
posix_memalign does not accept alignment arguments < sizeof (void *), but
aligned_alloc should.


2020-11-03  Bruno Haible  <bruno@clisp.org>

        aligned_alloc: Add tests.
        * tests/test-aligned_alloc.c: New file.
        * modules/aligned_alloc-tests: New file.

        aligned_alloc: New module.
        * lib/stdlib.in.h (aligned_alloc): New declaration.
        * lib/aligned_alloc.c: New file.
        * m4/aligned_alloc.m4: New file.
        * m4/stdlib_h.m4 (gl_STDLIB_H): Test whether aligned_alloc is declared.
        (gl_STDLIB_H_DEFAULTS): Initialize GNULIB_ALIGNED_ALLOC,
        HAVE_ALIGNED_ALLOC, REPLACE_ALIGNED_ALLOC.
        * modules/stdlib (Makefile.am): Substitute GNULIB_ALIGNED_ALLOC,
        HAVE_ALIGNED_ALLOC, REPLACE_ALIGNED_ALLOC.
        * modules/aligned_alloc: New file.
        * tests/test-stdlib-c++.cc (aligned_alloc): Check signature.
        * doc/posix-functions/aligned_alloc.texi: Mention the new module and the
        AIX bug.

0001-aligned_alloc-New-module.patch
Description: Text Data

0002-aligned_alloc-Add-tests.patch
Description: Text Data