From 8bb50782a5f0dd955a6fe18d381eb9322d1447e7 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Fri, 26 May 2006 23:44:51 +0000 Subject: Change llist_add_* to take the address of the list rather than returning the new head, and change all the callers. --- libbb/llist.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) (limited to 'libbb/llist.c') diff --git a/libbb/llist.c b/libbb/llist.c index dd80436c6..fde25e8b7 100644 --- a/libbb/llist.c +++ b/libbb/llist.c @@ -14,37 +14,29 @@ #ifdef L_llist_add_to /* Add data to the start of the linked list. */ -llist_t *llist_add_to(llist_t *old_head, void *data) +void llist_add_to(llist_t **old_head, void *data) { - llist_t *new_head; - - new_head = xmalloc(sizeof(llist_t)); + llist_t *new_head = xmalloc(sizeof(llist_t)); new_head->data = data; - new_head->link = old_head; - - return (new_head); + new_head->link = *old_head; + *old_head = new_head; } #endif #ifdef L_llist_add_to_end /* Add data to the end of the linked list. */ -llist_t *llist_add_to_end(llist_t *list_head, void *data) +void llist_add_to_end(llist_t **list_head, void *data) { - llist_t *new_item; - - new_item = xmalloc(sizeof(llist_t)); + llist_t *new_item = xmalloc(sizeof(llist_t)); new_item->data = data; new_item->link = NULL; - if (list_head == NULL) { - list_head = new_item; - } else { - llist_t *tail = list_head; - while (tail->link) - tail = tail->link; + if (!*list_head) *list_head = new_item; + else { + llist_t *tail = *list_head; + while (tail->link) tail = tail->link; tail->link = new_item; } - return list_head; } #endif -- cgit v1.2.3