rewrote list_free to not be recursive anymore

(it can trigger segmentation faults when freeing long lists)

1 files changed, 7 insertions, 11 deletions

diff --git a/lib/libalpm/list.c b/lib/libalpm/list.c
index bbd3c734..5a24f023 100644
--- a/lib/libalpm/list.c
+++ b/lib/libalpm/list.c
@@ -68,18 +68,14 @@ PMList* pm_list_new()
 
 void pm_list_free(PMList *list)
 {
-	if(list == NULL) {
-		return;
-	}
-	if(list->data != NULL) {
-		free(list->data);
-		list->data = NULL;
-	}
-	if(list->next != NULL) {
-		pm_list_free(list->next);
+	PMList *ptr, *it = list;
+
+	while(it) {
+		ptr = it->next;
+		free(it->data);
+		free(it);
+		it = ptr;
 	}
-	free(list);
-	return;
 }
 
 PMList* pm_list_add(PMList *list, void *data)