diff options
Diffstat (limited to 'vendor/codeberg.org/gruf/go-structr/list.go')
| -rw-r--r-- | vendor/codeberg.org/gruf/go-structr/list.go | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/vendor/codeberg.org/gruf/go-structr/list.go b/vendor/codeberg.org/gruf/go-structr/list.go index 764036d47..bf380aa26 100644 --- a/vendor/codeberg.org/gruf/go-structr/list.go +++ b/vendor/codeberg.org/gruf/go-structr/list.go @@ -40,9 +40,12 @@ func new_list() *list { // free_list releases the list. func free_list(list *list) { - list.head = nil - list.tail = nil - list.len = 0 + if list.head != nil || + list.tail != nil || + list.len != 0 { + should_not_reach() + return + } list_pool.Put(list) } @@ -115,21 +118,28 @@ func (l *list) remove(elem *list_elem) { elem.prev = nil switch { - // elem is ONLY one in list. - case next == nil && prev == nil: - l.head = nil - l.tail = nil - - // elem is front in list. - case next != nil && prev == nil: + case next == nil: + if prev == nil { + // next == nil && prev == nil + // + // elem is ONLY one in list. + l.head = nil + l.tail = nil + } else { + // next == nil && prev != nil + // + // elem is last in list. + l.tail = prev + prev.next = nil + } + + case prev == nil: + // next != nil && prev == nil + // + // elem is front in list. l.head = next next.prev = nil - // elem is last in list. - case prev != nil && next == nil: - l.tail = prev - prev.next = nil - // elem in middle of list. default: next.prev = prev @@ -139,17 +149,3 @@ func (l *list) remove(elem *list_elem) { // Decr count l.len-- } - -// rangefn will range all elems in list, passing each to fn. -func (l *list) rangefn(fn func(*list_elem)) { - if fn == nil { - panic("nil fn") - } - for e := l.head; // - e != nil; // - { - n := e.next - fn(e) - e = n - } -} |