added slist_foreach function and fixed small memory leak

2 files changed, 11 insertions, 0 deletions

diff --git a/common/list.c b/common/list.c
index c6d8cb98..31ae9d35 100644
--- a/common/list.c
+++ b/common/list.c
@@ -99,6 +99,15 @@ struct slist *slist_find(struct slist *list, const void *data,
 	return NULL;
 }
 
+void slist_foreach(struct slist *list, slist_func_t func, void *user_data)
+{
+	while (list) {
+		struct slist *next = list->next;
+		func(list->data, user_data);
+		list = next;
+	}
+}
+
 void slist_free(struct slist *list)
 {
 	struct slist *l, *next;
diff --git a/common/list.h b/common/list.h
index 1838370c..026d470c 100644
--- a/common/list.h
+++ b/common/list.h
@@ -31,6 +31,7 @@ struct slist {
 };
 
 typedef int (*cmp_func_t)(const void *a, const void *b);
+typedef void (*slist_func_t)(void *data, void *user_data);
 
 struct slist *slist_append(struct slist *list, void *data);
 
@@ -39,6 +40,7 @@ struct slist *slist_remove(struct slist *list, void *data);
 struct slist *slist_find(struct slist *list, const void *data,
 			cmp_func_t cmp_func);
 
+void slist_foreach(struct slist *list, slist_func_t func, void *user_data);
 void slist_free(struct slist *list);
 
 #endif /* __LIST_H */