passwd: made smaller by ~130 bytes. size can go negative

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

diff --git a/libbb/llist.c b/libbb/llist.c
index 0e727c4967a172f0f453dd4c24313b4419e4bd03..8a74832ee3ff54e50d08c4e86f0c1daefbf0965e 100644 (file)
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -13,7 +13,6 @@
 #include <stdlib.h>
 #include "libbb.h"
 
-#ifdef L_llist_add_to
 /* Add data to the start of the linked list.  */
 void llist_add_to(llist_t **old_head, void *data)
 {
@@ -22,9 +21,7 @@ void llist_add_to(llist_t **old_head, void *data)
        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.  */
 void llist_add_to_end(llist_t **list_head, void *data)
 {
@@ -39,9 +36,7 @@ void llist_add_to_end(llist_t **list_head, void *data)
                tail->link = new_item;
        }
 }
-#endif
 
-#ifdef L_llist_pop
 /* Remove first element from the list and return it */
 void *llist_pop(llist_t **head)
 {
@@ -57,9 +52,7 @@ void *llist_pop(llist_t **head)
 
        return data;
 }
-#endif
 
-#ifdef L_llist_free
 /* 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))
@@ -69,4 +62,17 @@ void llist_free(llist_t *elm, void (*freeit)(void *data))
                if (freeit) freeit(data);
        }
 }
-#endif
+
+/* Reverse list order. Useful since getopt32 saves option params
+ * in reverse order */
+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;
+       }
+       return new;
+}