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Paul Eggert authored
* configure.ac (GMALLOC_OBJ): Initialize to empty if !system_malloc and doug_lea_malloc. (aligned_alloc): Test for existence if !GMALLOC_OBJ and not darwin. (posix_memalign): Test for existence only if !GMALLOC_OBJ and not darwin and !aligned_alloc. * src/alloc.c (USE_ALIGNED_ALLOC): New symbol. (USE_POSIX_MEMALIGN): Remove. All uses replaced with USE_ALIGNED_ALLOC, and use of posix_memalign replaced with aligned_alloc. (aligned_alloc): New function, defined or declared as needed. * src/conf_post.h (HAVE_POSIX_MEMALIGN) [DARWIN_OS]: Don't undef; configure.ac now does this. * src/gmalloc.c (aligned_alloc) [MSDOS]: New decl. (calloc, aligned_alloc): Check for integer overflow. (aligned_alloc): Rename from memalign. All uses changed. (memalign): New function, an alias for aligned_alloc.
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