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*: Provide list length when allocating lists

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ZyX
2018-01-03 00:00:16 +03:00
parent 9ddeb6e187
commit 9ea1752d60
19 changed files with 223 additions and 202 deletions
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29
src/nvim/undo.c
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@@ -2941,17 +2941,20 @@ bool curbufIsChanged(void)
&& (curbuf->b_changed || file_ff_differs(curbuf, true)));
}
/*
* For undotree(): Append the list of undo blocks at "first_uhp" to "list".
* Recursive.
*/
void u_eval_tree(u_header_T *first_uhp, list_T *list)
/// Append the list of undo blocks to a newly allocated list
///
/// For use in undotree(). Recursive.
///
/// @param[in] first_uhp Undo blocks list to start with.
///
/// @return [allocated] List with a representation of undo blocks.
list_T *u_eval_tree(const u_header_T *const first_uhp)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_RET
{
u_header_T *uhp = first_uhp;
dict_T *dict;
list_T *const list = tv_list_alloc(kListLenMayKnow);
while (uhp != NULL) {
dict = tv_dict_alloc();
for (const u_header_T *uhp = first_uhp; uhp != NULL; uhp = uhp->uh_prev.ptr) {
dict_T *const dict = tv_dict_alloc();
tv_dict_add_nr(dict, S_LEN("seq"), (varnumber_T)uhp->uh_seq);
tv_dict_add_nr(dict, S_LEN("time"), (varnumber_T)uhp->uh_time);
if (uhp == curbuf->b_u_newhead) {
@@ -2965,14 +2968,12 @@ void u_eval_tree(u_header_T *first_uhp, list_T *list)
}
if (uhp->uh_alt_next.ptr != NULL) {
list_T *alt_list = tv_list_alloc();
// Recursive call to add alternate undo tree.
u_eval_tree(uhp->uh_alt_next.ptr, alt_list);
tv_dict_add_list(dict, S_LEN("alt"), alt_list);
tv_dict_add_list(dict, S_LEN("alt"), u_eval_tree(uhp->uh_alt_next.ptr));
}
tv_list_append_dict(list, dict);
uhp = uhp->uh_prev.ptr;
}
return list;
}