diff options
Diffstat (limited to 'c_ldirs.go')
| -rw-r--r-- | c_ldirs.go | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -79,6 +79,43 @@ func (ldirs *DirsList) add_back(node *DirsNode) { ldirs.last = last.next } +// removes a dir node from the list +func (ldirs *DirsList) del(dir *DirsNode) { + if ldirs.head == nil { + return + } + if ldirs.head == dir { + ldirs.head = ldirs.head.next + if ldirs.head == nil { + ldirs.last = nil + return + } + for ptr := ldirs.head; ptr != nil; ptr = ptr.next { + ptr.ID -= 1 + } + return + } + if ldirs.last == dir { + ptr := ldirs.head + for ptr.next != nil { + ptr = ptr.next + } + ldirs.last = ptr + ldirs.last.next = nil + return + } + ptr := ldirs.head + for ptr.next != nil && ptr.next != dir { + ptr = ptr.next + } + if ptr.next == dir { + ptr.next = ptr.next.next + } + for ptr := ptr.next; ptr != nil; ptr = ptr.next { + ptr.ID -= 1 + } +} + // return the list node with the according id func (ldirs *DirsList) sel(id int) *DirsNode { curr := ldirs.head |