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| author | Thomas Schmucker <ts@its1.de> | 2020-09-04 08:04:13 +0200 |
|---|---|---|
| committer | Thomas Schmucker <ts@its1.de> | 2020-09-04 08:04:13 +0200 |
| commit | f7a3088da5a83565274b67f3d334a7b654502497 (patch) | |
| tree | e9b080199aa195fc8ce15a970194231d8746a20f | |
| parent | 526d1b1232c7d835dea5c00e91197861a2f19180 (diff) | |
| download | data-structures-f7a3088da5a83565274b67f3d334a7b654502497.tar.gz data-structures-f7a3088da5a83565274b67f3d334a7b654502497.tar.bz2 data-structures-f7a3088da5a83565274b67f3d334a7b654502497.zip | |
pop_front() entfernt ein Element aus der Liste, muss aber nicht immer dessen Daten zurückgeben!
| -rw-r--r-- | list-tail-node.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/list-tail-node.c b/list-tail-node.c index 52b93ce..c939b8d 100644 --- a/list-tail-node.c +++ b/list-tail-node.c | |||
| @@ -75,7 +75,10 @@ list_pop_front(struct list *list, T *data) | |||
| 75 | { | 75 | { |
| 76 | if ( list->head != NULL ) { | 76 | if ( list->head != NULL ) { |
| 77 | struct list_node *next = list->head->next; | 77 | struct list_node *next = list->head->next; |
| 78 | *data = list->head->data; | 78 | |
| 79 | if ( data != NULL ) { | ||
| 80 | *data = list->head->data; | ||
| 81 | } | ||
| 79 | free(list->head); | 82 | free(list->head); |
| 80 | list->head = next; | 83 | list->head = next; |
| 81 | 84 | ||