.extra_depth = old->extra_depth,
.subs = (old->n_subs
- ? xzalloc (old->n_subs * sizeof *new->subs)
+ ? xcalloc (old->n_subs, sizeof *new->subs)
: NULL),
.n_subs = old->n_subs,
.allocated_subs = old->n_subs,
.axis_type = old->axis_type,
.level = old->level,
.top_index = old->top_index,
- .data_leaves = xzalloc (old->n_leaves * sizeof *new->data_leaves),
- .presentation_leaves = xzalloc (old->n_leaves
- * sizeof *new->presentation_leaves),
+ .data_leaves = xcalloc (old->n_leaves , sizeof *new->data_leaves),
+ .presentation_leaves = xcalloc (old->n_leaves
+ , sizeof *new->presentation_leaves),
.n_leaves = old->n_leaves,
.allocated_leaves = old->n_leaves,
.hide_all_labels = old->hide_all_labels,