Function nvs_embedded_nvl_array

freebsd/contrib/openzfs/module/nvpair/nvpair.c:2501–2551

}

static int
nvs_embedded_nvl_array(nvstream_t *nvs, nvpair_t *nvp, size_t *size)
{
	size_t nelem = NVP_NELEM(nvp);
	nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp);
	int i;

	switch (nvs->nvs_op) {
	case NVS_OP_ENCODE:
		for (i = 0; i < nelem; i++)
			if (nvs_embedded(nvs, nvlp[i]) != 0)
				return (EFAULT);
		break;

	case NVS_OP_DECODE: {
		size_t len = nelem * sizeof (uint64_t);
		nvlist_t *embedded = (nvlist_t *)((uintptr_t)nvlp + len);

		bzero(nvlp, len);	/* don't trust packed data */
		for (i = 0; i < nelem; i++) {
			if (nvs_embedded(nvs, embedded) != 0) {
				nvpair_free(nvp);
				return (EFAULT);
			}

			nvlp[i] = embedded++;
		}
		break;
	}
	case NVS_OP_GETSIZE: {
		uint64_t nvsize = 0;

		for (i = 0; i < nelem; i++) {
			size_t nvp_sz = 0;

			if (nvs_operation(nvs, nvlp[i], &nvp_sz) != 0)
				return (EINVAL);

			if ((nvsize += nvp_sz) > INT32_MAX)
				return (EINVAL);
		}

		*size = nvsize;
		break;
	}
	default:
		return (EINVAL);
	}

	return (0);
}

static int nvs_native(nvstream_t *, nvlist_t *, char *, size_t *);
static int nvs_xdr(nvstream_t *, nvlist_t *, char *, size_t *);