static void *(*resizefn)(void *, size_t size) = realloc;
static void (*freefn)(void *) = free;
static void (*errorfn)(const char *msg) = (void *)abort;
-static bool initialized = false;
/* Count on non-destrutor notifiers; often stays zero. */
static size_t notifiers = 0;
}
/* This means valgrind can see leaks. */
-static void tal_cleanup(void)
+void tal_cleanup(void)
{
struct tal_hdr *i;
- while ((i = list_top(&null_parent.c.children, struct tal_hdr, list)))
+ while ((i = list_top(&null_parent.c.children, struct tal_hdr, list))) {
list_del(&i->list);
+ memset(i, 0, sizeof(*i));
+ }
/* Cleanup any taken pointers. */
take_cleanup();
}
-/* For allocation failures inside ccan/take */
-static void take_alloc_failed(const void *p)
-{
- tal_free(p);
-}
-
/* We carefully start all real properties with a zero byte. */
static bool is_literal(const struct prop_hdr *prop)
{
struct children *children = find_property(parent, CHILDREN);
if (!children) {
- if (unlikely(!initialized)) {
- atexit(tal_cleanup);
- take_allocfail(take_alloc_failed);
- initialized = true;
- }
children = add_child_property(parent, child);
if (!children)
return false;
tal_expand_((void **)(a1p), (a2), sizeof**(a1p), \
(num2) + 0*sizeof(*(a1p) == (a2)))
+/**
+ * tal_cleanup - remove pointers from NULL node
+ *
+ * Internally, tal keeps a list of nodes allocated from @ctx NULL; this
+ * prevents valgrind from noticing memory leaks. This re-initializes
+ * that list to empty.
+ *
+ * It also calls take_cleanup() for you.
+ */
+void tal_cleanup(void);
+
/**
* tal_check - set the allocation or error functions to use