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Diffstat (limited to 'libcxx/include/__memory/aligned_alloc.h')
-rw-r--r--libcxx/include/__memory/aligned_alloc.h42
1 files changed, 20 insertions, 22 deletions
diff --git a/libcxx/include/__memory/aligned_alloc.h b/libcxx/include/__memory/aligned_alloc.h
index 786963c..cb42432 100644
--- a/libcxx/include/__memory/aligned_alloc.h
+++ b/libcxx/include/__memory/aligned_alloc.h
@@ -27,36 +27,34 @@ _LIBCPP_BEGIN_NAMESPACE_STD
// chances are that you want to use `__libcpp_allocate` instead.
//
// Returns the allocated memory, or `nullptr` on failure.
-inline _LIBCPP_HIDE_FROM_ABI
-void* __libcpp_aligned_alloc(std::size_t __alignment, std::size_t __size) {
+inline _LIBCPP_HIDE_FROM_ABI void* __libcpp_aligned_alloc(std::size_t __alignment, std::size_t __size) {
# if defined(_LIBCPP_MSVCRT_LIKE)
- return ::_aligned_malloc(__size, __alignment);
+ return ::_aligned_malloc(__size, __alignment);
# elif _LIBCPP_STD_VER >= 17 && !defined(_LIBCPP_HAS_NO_C11_ALIGNED_ALLOC)
- // aligned_alloc() requires that __size is a multiple of __alignment,
- // but for C++ [new.delete.general], only states "if the value of an
- // alignment argument passed to any of these functions is not a valid
- // alignment value, the behavior is undefined".
- // To handle calls such as ::operator new(1, std::align_val_t(128)), we
- // round __size up to the next multiple of __alignment.
- size_t __rounded_size = (__size + __alignment - 1) & ~(__alignment - 1);
- // Rounding up could have wrapped around to zero, so we have to add another
- // max() ternary to the actual call site to avoid succeeded in that case.
- return ::aligned_alloc(__alignment, __size > __rounded_size ? __size : __rounded_size);
+ // aligned_alloc() requires that __size is a multiple of __alignment,
+ // but for C++ [new.delete.general], only states "if the value of an
+ // alignment argument passed to any of these functions is not a valid
+ // alignment value, the behavior is undefined".
+ // To handle calls such as ::operator new(1, std::align_val_t(128)), we
+ // round __size up to the next multiple of __alignment.
+ size_t __rounded_size = (__size + __alignment - 1) & ~(__alignment - 1);
+ // Rounding up could have wrapped around to zero, so we have to add another
+ // max() ternary to the actual call site to avoid succeeded in that case.
+ return ::aligned_alloc(__alignment, __size > __rounded_size ? __size : __rounded_size);
# else
- void* __result = nullptr;
- (void)::posix_memalign(&__result, __alignment, __size);
- // If posix_memalign fails, __result is unmodified so we still return `nullptr`.
- return __result;
+ void* __result = nullptr;
+ (void)::posix_memalign(&__result, __alignment, __size);
+ // If posix_memalign fails, __result is unmodified so we still return `nullptr`.
+ return __result;
# endif
}
-inline _LIBCPP_HIDE_FROM_ABI
-void __libcpp_aligned_free(void* __ptr) {
-#if defined(_LIBCPP_MSVCRT_LIKE)
+inline _LIBCPP_HIDE_FROM_ABI void __libcpp_aligned_free(void* __ptr) {
+# if defined(_LIBCPP_MSVCRT_LIKE)
::_aligned_free(__ptr);
-#else
+# else
::free(__ptr);
-#endif
+# endif
}
#endif // !_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION