Function _cbfs_alloc

src/lib/cbfs.c:533–561

}

void *_cbfs_alloc(const char *name, cbfs_allocator_t allocator, void *arg,
		  size_t *size_out, bool force_ro, enum cbfs_type *type)
{
	struct region_device rdev;
	bool preload_successful = false;
	union cbfs_mdata mdata;

	DEBUG("%s(name='%s', alloc=%p(%p), force_ro=%s, type=%d)\n", __func__, name, allocator,
	      arg, force_ro ? "true" : "false", type ? *type : -1);

	if (_cbfs_boot_lookup(name, force_ro, &mdata, &rdev))
		return NULL;

	if (check_or_query_type(&mdata, type) != CB_SUCCESS)
		return NULL;

	/* Update the rdev with the preload content */
	if (!force_ro && get_preload_rdev(&rdev, name) == CB_SUCCESS)
		preload_successful = true;

	void *ret = do_alloc(&mdata, &rdev, allocator, arg, size_out, false);

	/* When using cbfs_preload we need to free the preload buffer after populating the
	 * destination buffer. We know we must have a mem_rdev here, so extra mmap is fine. */
	if (preload_successful)
		cbfs_unmap(rdev_mmap_full(&rdev));

	return ret;
}

void *_cbfs_unverified_area_alloc(const char *area, const char *name,
				  cbfs_allocator_t allocator, void *arg, size_t *size_out,