diff options
| -rw-r--r-- | libcnary/node_list.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libcnary/node_list.c b/libcnary/node_list.c index 2a9cf90..78f450e 100644 --- a/libcnary/node_list.c +++ b/libcnary/node_list.c @@ -59,7 +59,10 @@ int node_list_add(node_list_t* list, node_t* node) { node->prev = last; // Set the next element of our old "last" element - last->next = node; + if (last) { + // but only if the node list is not empty + last->next = node; + } // Set the lists prev to the new last element list->end = node; @@ -129,6 +132,9 @@ int node_list_remove(node_list_t* list, node_t* node) { node->prev->next = newnode; if (newnode) { newnode->prev = node->prev; + } else { + // last element in the list + list->end = node->prev; } } else { // we just removed the first element |