X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/e02c731dfbb288c736f2cd09a9b6df0507c59ddd..501b09dd94d46430a2463ac5fba7608b0be59005:/ll.c?ds=sidebyside diff --git a/ll.c b/ll.c index 7110378..5936bf6 100644 --- a/ll.c +++ b/ll.c @@ -81,3 +81,29 @@ unsigned long llsize(struct ll *curll) return count; } + +/** + * llfree - Frees a linked list. + * @curll: The list to free. + * @objectfree: A pointer to a free function for the object. + * + * Walks through a list and free it. If a function is provided for + * objectfree then it's called for each element to free them, if it's NULL + * just the list is freed. + */ +struct ll *llfree(struct ll *curll, + void (*objectfree) (void *object)) +{ + struct ll *nextll; + + while (curll != NULL) { + nextll = curll->next; + if (curll->object != NULL && objectfree != NULL) { + objectfree(curll->object); + curll->object = NULL; + } + free(curll); + curll = nextll; + } + return NULL; +}