EXEC_PREFER_APPLETS support by Gabriel L. Somlo <somlo@cmu.edu>

[oweals/busybox.git] / libbb / llist.c

diff --git a/libbb/llist.c b/libbb/llist.c
index 8a74832ee3ff54e50d08c4e86f0c1daefbf0965e..63c77fa9ea422994291f711cfcec9eff6c0636b3 100644 (file)
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -14,37 +14,44 @@
 #include "libbb.h"
 
 /* Add data to the start of the linked list.  */
-void llist_add_to(llist_t **old_head, void *data)
+void llist_add_to(llist_t ** old_head, void *data)
 {
        llist_t *new_head = xmalloc(sizeof(llist_t));
+
        new_head->data = data;
        new_head->link = *old_head;
        *old_head = new_head;
 }
 
 /* Add data to the end of the linked list.  */
-void 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 = xmalloc(sizeof(llist_t));
+
        new_item->data = data;
        new_item->link = NULL;
 
-       if (!*list_head) *list_head = new_item;
+       if (!*list_head)
+               *list_head = new_item;
        else {
                llist_t *tail = *list_head;
-               while (tail->link) tail = tail->link;
+
+               while (tail->link)
+                       tail = tail->link;
                tail->link = new_item;
        }
 }
 
 /* Remove first element from the list and return it */
-void *llist_pop(llist_t **head)
+void *llist_pop(llist_t ** head)
 {
        void *data;
 
-       if(!*head) data = *head;
+       if (!*head)
+               data = *head;
        else {
                void *next = (*head)->link;
+
                data = (*head)->data;
                free(*head);
                *head = next;
@@ -55,21 +62,25 @@ void *llist_pop(llist_t **head)
 
 /* Recursively free all elements in the linked list.  If freeit != NULL
  * call it on each datum in the list */
-void llist_free(llist_t *elm, void (*freeit)(void *data))
+void llist_free(llist_t * elm, void (*freeit) (void *data))
 {
        while (elm) {
                void *data = llist_pop(&elm);
-               if (freeit) freeit(data);
+
+               if (freeit)
+                       freeit(data);
        }
 }
 
 /* Reverse list order. Useful since getopt32 saves option params
  * in reverse order */
-llist_t* rev_llist(llist_t *list)
+llist_t *rev_llist(llist_t * list)
 {
        llist_t *new = NULL;
+
        while (list) {
                llist_t *next = list->link;
+
                list->link = new;
                new = list;
                list = next;