Function zprop_iter_common

freebsd/contrib/openzfs/module/zcommon/zprop_common.c:184–227

* Iterate over all properties in the given property table, calling back * into the specified function for each property. We will continue to * iterate until we either reach the end or the callback function returns * something other than ZPROP_CONT. */

 * something other than ZPROP_CONT.
 */
int
zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
    boolean_t ordered, zfs_type_t type)
{
	int i, num_props, size, prop;
	zprop_desc_t *prop_tbl;
	zprop_desc_t **order;

	prop_tbl = zprop_get_proptable(type);
	num_props = zprop_get_numprops(type);
	size = num_props * sizeof (zprop_desc_t *);

#if defined(_KERNEL)
	order = kmem_alloc(size, KM_SLEEP);
#else
	if ((order = malloc(size)) == NULL)
		return (ZPROP_CONT);
#endif

	for (int j = 0; j < num_props; j++)
		order[j] = &prop_tbl[j];

	if (ordered) {
		qsort((void *)order, num_props, sizeof (zprop_desc_t *),
		    zprop_compare);
	}

	prop = ZPROP_CONT;
	for (i = 0; i < num_props; i++) {
		if ((order[i]->pd_visible || show_all) &&
		    order[i]->pd_zfs_mod_supported &&
		    (func(order[i]->pd_propnum, cb) != ZPROP_CONT)) {
			prop = order[i]->pd_propnum;
			break;
		}
	}

#if defined(_KERNEL)
	kmem_free(order, size);
#else
	free(order);
#endif
	return (prop);
}

static boolean_t
propname_match(const char *p, size_t len, zprop_desc_t *prop_entry)