add alignment check to aligned_alloc for C11 compliance

2019-09-07 12:02:22 -07:00 · 2019-09-07 12:02:22 -07:00 · 7b63bc4211
commit 7b63bc4211
parent 0aec6d9302
1 changed files with 1 additions and 0 deletions
--- a/src/alloc-posix.c
+++ b/src/alloc-posix.c
@ -71,6 +71,7 @@ void* mi_pvalloc(size_t size) mi_attr_noexcept {
 }

 void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept {
+  if (alignment != 0 && (size%alignment) != 0) return NULL; // C11 required; <https://en.cppreference.com/w/c/memory/aligned_alloc>
  return mi_malloc_aligned(size, alignment);
 }