#include <ccan/likely/likely.h>
#include <ccan/typesafe_cb/typesafe_cb.h>
#include <ccan/str/str.h>
+#include <ccan/take/take.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdarg.h>
/**
* tal_count - get the count of objects in a tal_arr.
- * @ptr: The tal allocated object array.
+ * @ptr: The tal allocated object array (or NULL)
*
- * Returns 0 if @ptr has no length property, but be aware that that is
- * also a valid size!
+ * Returns 0 if @ptr has no length property or is NULL, but be aware
+ * that that is also a valid size!
*/
#define tal_count(p) (tal_len(p) / sizeof(*p))
/**
* tal_len - get the count of bytes in a tal_arr.
- * @ptr: The tal allocated object array.
+ * @ptr: The tal allocated object array (or NULL)
*
- * Returns 0 if @ptr has no length property, but be aware that that is
+ * Returns 0 if @ptr has no length property or NULL, but be aware that that is
* also a valid size!
*/
size_t tal_len(const tal_t *ptr);
* @type: the type (should match type of @p!)
* @p: the object to copy (or reparented if take())
*/
-#define tal_dup(ctx, type, p) \
+#define tal_dup(ctx, type, p) \
((type *)tal_dup_((ctx), tal_typechk_(p, type *), \
sizeof(type), 1, 0, \
false, TAL_LABEL(type, "")))
void *tal_alloc_arr_(const tal_t *ctx, size_t bytes, size_t count, bool clear,
bool add_length, const char *label);
-void *tal_dup_(const tal_t *ctx, const void *p, size_t size,
+void *tal_dup_(const tal_t *ctx, const void *p TAKES, size_t size,
size_t n, size_t extra, bool add_length,
const char *label);
tal_t *tal_steal_(const tal_t *new_parent, const tal_t *t);
bool tal_resize_(tal_t **ctxp, size_t size, size_t count, bool clear);
-bool tal_expand_(tal_t **ctxp, const void *src, size_t size, size_t count);
+bool tal_expand_(tal_t **ctxp, const void *src TAKES, size_t size, size_t count);
bool tal_add_destructor_(const tal_t *ctx, void (*destroy)(void *me));
bool tal_add_destructor2_(const tal_t *ctx, void (*destroy)(void *me, void *arg),