wizapp-stdlib/codegen/dbl_list/snippets/list_pop_back

21 lines
398 B
Plaintext

{NodeType} *output = NULL;
if (!list || list->node_count == 0) {{
goto RETURN_{Tupper}_LIST_POP_BACK;
}}
output = list->last;
if (list->node_count == 1) {{
*list = ({ListType}){{0}};
goto RETURN_{Tupper}_LIST_POP_BACK;
}}
--(list->node_count);
list->last = output->prev;
output->prev = output->next = NULL;
RETURN_{Tupper}_LIST_POP_BACK:
return output;