Differential D9387 Diff 28118 src/secp256k1/src/util.h

Changeset View

Standalone View

src/secp256k1/src/util.h

	Show First 20 Lines • Show All 107 Lines • ▼ Show 20 Lines
	#define ALIGNMENT __BIGGEST_ALIGNMENT__			#define ALIGNMENT __BIGGEST_ALIGNMENT__
	#else			#else
	/* Using 16 bytes alignment because common architectures never have alignment			/* Using 16 bytes alignment because common architectures never have alignment
	* requirements above 8 for any of the types we care about. In addition we			* requirements above 8 for any of the types we care about. In addition we
	* leave some room because currently we don't care about a few bytes. */			* leave some room because currently we don't care about a few bytes. */
	#define ALIGNMENT 16			#define ALIGNMENT 16
	#endif			#endif

	#define ROUND_TO_ALIGN(size) (((size + ALIGNMENT - 1) / ALIGNMENT) * ALIGNMENT)			#define ROUND_TO_ALIGN(size) ((((size) + ALIGNMENT - 1) / ALIGNMENT) * ALIGNMENT)

	/* Assume there is a contiguous memory object with bounds [base, base + max_size)			/* Assume there is a contiguous memory object with bounds [base, base + max_size)
	* of which the memory range [base, *prealloc_ptr) is already allocated for usage,			* of which the memory range [base, *prealloc_ptr) is already allocated for usage,
	* where *prealloc_ptr is an aligned pointer. In that setting, this functions			* where *prealloc_ptr is an aligned pointer. In that setting, this functions
	* reserves the subobject [prealloc_ptr, prealloc_ptr + alloc_size) of			* reserves the subobject [prealloc_ptr, prealloc_ptr + alloc_size) of
	* alloc_size bytes by increasing *prealloc_ptr accordingly, taking into account			* alloc_size bytes by increasing *prealloc_ptr accordingly, taking into account
	* alignment requirements.			* alignment requirements.
	*			*
	▲ Show 20 Lines • Show All 155 Lines • Show Last 20 Lines