2 files changed, 15 insertions, 2 deletions

diff --git a/lib/libalpm/list.c b/lib/libalpm/list.c
index 5a24f023..b55a3900 100644
--- a/lib/libalpm/list.c
+++ b/lib/libalpm/list.c
@@ -217,7 +217,7 @@ int pm_list_count(PMList *list)
 	return(i);
 }
 
-int pm_list_is_ptrin(PMList *haystack, void *needle)
+int pm_list_is_ptrin(void *needle, PMList *haystack)
 {
 	PMList *lp;
 
@@ -272,4 +272,16 @@ PMList* _alpm_list_reverse(PMList *list)
 	return(newlist);
 }
 
+PMList *_alpm_list_strdup(PMList *list)
+{
+	PMList *newlist = NULL;
+	PMList *lp;
+
+	for(lp = list; lp; lp = lp->next) {
+		newlist = pm_list_add(newlist, strdup(lp->data));
+	}
+
+	return(newlist);
+}
+
 /* vim: set ts=2 sw=2 noet: */
diff --git a/lib/libalpm/list.h b/lib/libalpm/list.h
index 734a53d5..9b7d0b62 100644
--- a/lib/libalpm/list.h
+++ b/lib/libalpm/list.h
@@ -52,10 +52,11 @@ PMList *pm_list_add(PMList *list, void *data);
 PMList *pm_list_add_sorted(PMList *list, void *data, pm_fn_cmp fn);
 PMList* _alpm_list_remove(PMList* list, PMList* item);
 int pm_list_count(PMList *list);
-int pm_list_is_ptrin(PMList *haystack, void *needle);
+int pm_list_is_ptrin(void *needle, PMList *haystack);
 PMList *pm_list_is_strin(char *needle, PMList *haystack);
 PMList *pm_list_last(PMList *list);
 PMList *_alpm_list_reverse(PMList *list);
+PMList *_alpm_list_strdup(PMList *list);
 
 #endif /* _ALPM_LIST_H */