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eval: Refactor some potentially dangerous list appends

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ZyX
2017-12-25 01:44:44 +03:00
parent 6ab5eb347b
commit b6ee90a243
3 changed files with 73 additions and 62 deletions
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22
src/nvim/eval/typval.h
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@@ -296,6 +296,14 @@ typedef struct list_stack_S {
struct list_stack_S *prev;
} list_stack_T;
/// Structure representing one list item, used for sort array.
typedef struct {
listitem_T *item; ///< Sorted list item.
int idx; ///< Sorted list item index.
} ListSortItem;
typedef int (*ListSorter)(const void *, const void *);
// In a hashtab item "hi_key" points to "di_key" in a dictitem.
// This avoids adding a pointer to the hashtab item.
@@ -403,20 +411,6 @@ static inline list_T *tv_list_latest_copy(const list_T *const l)
return l->lv_copylist;
}
/// Clear the list without freeing anything at all
///
/// For use in sort() which saves items to a separate array and readds them back
/// after sorting via a number of tv_list_append() calls.
///
/// @param[out] l List to clear.
static inline void tv_list_clear(list_T *const l)
{
l->lv_first = NULL;
l->lv_last = NULL;
l->lv_idx_item = NULL;
l->lv_len = 0;
}
static inline int tv_list_uidx(const list_T *const l, int n)
REAL_FATTR_PURE REAL_FATTR_WARN_UNUSED_RESULT;