diff options
Diffstat (limited to 'libcnary/node_list.c')
| -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) { | |||
| 59 | node->prev = last; | 59 | node->prev = last; |
| 60 | 60 | ||
| 61 | // Set the next element of our old "last" element | 61 | // Set the next element of our old "last" element |
| 62 | last->next = node; | 62 | if (last) { |
| 63 | // but only if the node list is not empty | ||
| 64 | last->next = node; | ||
| 65 | } | ||
| 63 | 66 | ||
| 64 | // Set the lists prev to the new last element | 67 | // Set the lists prev to the new last element |
| 65 | list->end = node; | 68 | list->end = node; |
| @@ -129,6 +132,9 @@ int node_list_remove(node_list_t* list, node_t* node) { | |||
| 129 | node->prev->next = newnode; | 132 | node->prev->next = newnode; |
| 130 | if (newnode) { | 133 | if (newnode) { |
| 131 | newnode->prev = node->prev; | 134 | newnode->prev = node->prev; |
| 135 | } else { | ||
| 136 | // last element in the list | ||
| 137 | list->end = node->prev; | ||
| 132 | } | 138 | } |
| 133 | } else { | 139 | } else { |
| 134 | // we just removed the first element | 140 | // we just removed the first element |