diff options
| -rw-r--r-- | lib/lib.h | 4 | ||||
| -rw-r--r-- | lib/llist.c | 20 |
2 files changed, 22 insertions, 2 deletions
@@ -24,7 +24,9 @@ struct double_list { char *data; }; -void llist_traverse(void *list, void (*using)(void *data)); +void llist_free_arg(void *node); +void llist_free_double(void *node); +void llist_traverse(void *list, void (*using)(void *node)); void *llist_pop(void *list); // actually void **list void *dlist_pop(void *list); // actually struct double_list **list void dlist_add_nomalloc(struct double_list **list, struct double_list *new); diff --git a/lib/llist.c b/lib/llist.c index 71a187db..2d5bc97a 100644 --- a/lib/llist.c +++ b/lib/llist.c @@ -5,8 +5,26 @@ #include "toys.h" +// Callback function to free data pointer of double_list or arg_list + +void llist_free_arg(void *node) +{ + struct arg_list *d = node; + + free(d->arg); + free(d); +} + +void llist_free_double(void *node) +{ + struct double_list *d = node; + + free(d->data); + free(d); +} + // Call a function (such as free()) on each element of a linked list. -void llist_traverse(void *list, void (*using)(void *data)) +void llist_traverse(void *list, void (*using)(void *node)) { void *old = list; |