added list_is_ptrin()

2 files changed, 13 insertions, 0 deletions

diff --git a/src/pacman/list.c b/src/pacman/list.c
index 84af1784..c639e124 100644
--- a/src/pacman/list.c
+++ b/src/pacman/list.c
@@ -100,6 +100,18 @@ static list_t *list_last(list_t *list)
 	return(ptr);
 }
 
+int list_is_ptrin(void *needle, list_t *haystack)
+{
+	list_t *lp;
+
+	for(lp = haystack; lp; lp = lp->next) {
+		if(lp->data == needle) {
+			return(1);
+		}
+	}
+	return(0);
+}
+
 /* Test for existence of a string in a list_t
  */
 int list_is_strin(char *needle, list_t *haystack)
diff --git a/src/pacman/list.h b/src/pacman/list.h
index ca738f9e..845ca5c8 100644
--- a/src/pacman/list.h
+++ b/src/pacman/list.h
@@ -35,6 +35,7 @@ list_t *list_new();
 void list_free(list_t* list);
 list_t *list_add(list_t* list, void *data);
 int list_count(list_t* list);
+int list_is_ptrin(void *needle, list_t *haystack);
 int list_is_strin(char *needle, list_t *haystack);
 void list_display(const char *title, list_t *list);