getopt32: fix llist_t options ordering. llist_rev is not unused.

function                                             old     new   delta
tar_main                                             705     695     -10
sort_main                                            928     918     -10
decode_format_string                                 886     876     -10
run_parts_main                                       197     185     -12
ps_main                                              513     500     -13
wget_main                                           2764    2750     -14
awk_main                                            1014    1000     -14
od_main                                             2886    2866     -20
llist_rev                                             25       -     -25
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/8 up/down: 0/-128)           Total: -128 bytes

2 files changed, 14 insertions, 13 deletions

diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index 6cdbfd3..dec97d7 100644
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -242,7 +242,7 @@ Special characters:
         llist_t *patterns = NULL;
 
         (this pointer must be initializated to NULL if the list is empty
-        as required by *llist_add_to(llist_t *old_head, char *new_item).)
+        as required by llist_add_to_end(llist_t **old_head, char *new_item).)
 
         opt_complementary = "e::";
 
@@ -487,7 +487,7 @@ getopt32(int argc, char **argv, const char *applet_opts, ...)
 		if (on_off->counter)
 			(*(on_off->counter))++;
 		if (on_off->list_flg) {
-			llist_add_to((llist_t **)(on_off->optarg), optarg);
+			llist_add_to_end((llist_t **)(on_off->optarg), optarg);
 		} else if (on_off->optarg) {
 			*(char **)(on_off->optarg) = optarg;
 		}
diff --git a/libbb/llist.c b/libbb/llist.c
index 2b34f76..7067514 100644
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -14,7 +14,7 @@
 #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));
 
@@ -24,7 +24,7 @@ void llist_add_to(llist_t ** old_head, void *data)
 }
 
 /* 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));
 
@@ -43,7 +43,7 @@ void llist_add_to_end(llist_t ** list_head, void *data)
 }
 
 /* Remove first element from the list and return it */
-void *llist_pop(llist_t ** head)
+void *llist_pop(llist_t **head)
 {
 	void *data, *next;
 
@@ -81,7 +81,7 @@ void llist_unlink(llist_t **head, llist_t *elm)
 
 /* 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);
@@ -91,18 +91,19 @@ void llist_free(llist_t * elm, void (*freeit) (void *data))
 	}
 }
 
-/* Reverse list order. Useful since getopt32 saves option params
- * in reverse order */
-llist_t *llist_rev(llist_t * list)
+#ifdef UNUSED
+/* Reverse list order. */
+llist_t *llist_rev(llist_t *list)
 {
-	llist_t *new = NULL;
+	llist_t *rev = NULL;
 
 	while (list) {
 		llist_t *next = list->link;
 
-		list->link = new;
-		new = list;
+		list->link = rev;
+		rev = list;
 		list = next;
 	}
-	return new;
+	return rev;
 }
+#endif