diff options
Diffstat (limited to 'src/nvim/eval/typval.c')
| -rw-r--r-- | src/nvim/eval/typval.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/nvim/eval/typval.c b/src/nvim/eval/typval.c index ac6c8c8aa6..6f829be0b4 100644 --- a/src/nvim/eval/typval.c +++ b/src/nvim/eval/typval.c @@ -132,8 +132,14 @@ void tv_list_watch_fix(list_T *const l, const listitem_T *const item) /// /// Caller should take care of the reference count. /// +/// @param[in] len Expected number of items to be populated before list +/// becomes accessible from VimL. It is still valid to +/// underpopulate a list, value only controls how many elements +/// will be allocated in advance. Currently does nothing. +/// @see ListLenSpecials. +/// /// @return [allocated] new list. -list_T *tv_list_alloc(void) +list_T *tv_list_alloc(const ptrdiff_t len) FUNC_ATTR_NONNULL_RET { list_T *const list = xcalloc(1, sizeof(list_T)); @@ -521,7 +527,7 @@ list_T *tv_list_copy(const vimconv_T *const conv, list_T *const orig, return NULL; } - list_T *copy = tv_list_alloc(); + list_T *copy = tv_list_alloc(tv_list_len(orig)); tv_list_ref(copy); if (copyID != 0) { // Do this before adding the items, because one of the items may @@ -1817,12 +1823,16 @@ void tv_dict_set_keys_readonly(dict_T *const dict) /// Also sets reference count. /// /// @param[out] ret_tv Structure where list is saved. +/// @param[in] len Expected number of items to be populated before list +/// becomes accessible from VimL. It is still valid to +/// underpopulate a list, value only controls how many elements +/// will be allocated in advance. @see ListLenSpecials. /// /// @return [allocated] pointer to the created list. -list_T *tv_list_alloc_ret(typval_T *const ret_tv) +list_T *tv_list_alloc_ret(typval_T *const ret_tv, const ptrdiff_t len) FUNC_ATTR_NONNULL_ALL { - list_T *const l = tv_list_alloc(); + list_T *const l = tv_list_alloc(len); ret_tv->vval.v_list = l; ret_tv->v_type = VAR_LIST; ret_tv->v_lock = VAR_UNLOCKED; |