wizapp-stdlib/codegen/dbl_list/snippets/list_pop_front

22 lines
440 B
Plaintext

{T}Node *output = NULL;
if (!list || list->node_count == 0) {{
goto RETURN_{Tupper}_LIST_POP_FRONT;
}}
output = list->first;
if (list->node_count == 1) {{
*list = ({T}List){{0}};
goto RETURN_{Tupper}_LIST_POP_FRONT;
}}
--(list->node_count);
list->total_size -= output->string->size;
list->first = output->next;
output->prev = output->next = NULL;
RETURN_{Tupper}_LIST_POP_FRONT:
return output;