48  * Fetch the config schema from the kernel via ioctl.  This function has to
50  * to allocate for the schema, and the second actually fetches the schema.
56 	nvlist_t *schema;  in get_schema()  local
59 	/* Do the ioctl() once to fetch the size of the schema. */  in get_schema()
60 	arg.schema = NULL;  in get_schema()
65 		err(1, "Could not fetch size of config schema");  in get_schema()
67 	arg.schema = malloc(arg.len);  in get_schema()
68 	if (arg.schema == NULL)  in get_schema()
69 		err(1, "Could not allocate %zu bytes for schema",  in get_schema()
72 	/* Now do the ioctl() for real to get the schema. */  in get_schema()
77 		err(1, "Could not fetch config schema");  in get_schema()
80 	schema = nvlist_unpack(arg.schema, arg.len, NV_FLAG_IGNORE_CASE);  in get_schema()
81 	if (schema == NULL)  in get_schema()
82 		err(1, "Could not unpack schema");  in get_schema()
84 	free(arg.schema);  in get_schema()
85 	return (schema);  in get_schema()
275 	nvlist_t *schema, *config;  in config_action()  local
283 	schema = get_schema(fd);  in config_action()
284 	config = parse_config_file(filename, schema);  in config_action()
291 	nvlist_destroy(schema);  in config_action()
355 		errx(1, "Unexpected type in schema: '%s'", type);  in print_default_value()
385 	nvlist_t *schema;  in print_schema()  local
390 	schema = get_schema(fd);  in print_schema()
392 	pf_schema = nvlist_get_nvlist(schema, PF_CONFIG_NAME);  in print_schema()
400 	vf_schema = nvlist_get_nvlist(schema, VF_SCHEMA_NAME);  in print_schema()
408 	nvlist_destroy(schema);  in print_schema()