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trie: better error-handling #23657 (#1073)

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Daniel Liu 2025-08-04 14:38:48 +08:00 committed by GitHub
parent 655f975bbb
commit 7464f0a7f3
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GPG key ID: B5690EEEBB952194
1 changed files with 4 additions and 4 deletions
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8
trie/trie.go
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@ -166,6 +166,10 @@ func (t *Trie) TryGetNode(path []byte) ([]byte, int, error) {
} }
func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, newnode node, resolved int, err error) { func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, newnode node, resolved int, err error) {
// If non-existent path requested, abort
if origNode == nil {
return nil, nil, 0, nil
}
// If we reached the requested path, return the current node // If we reached the requested path, return the current node
if pos >= len(path) { if pos >= len(path) {
// Although we most probably have the original node expanded, encoding // Although we most probably have the original node expanded, encoding
@ -185,10 +189,6 @@ func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, new
} }
// Path still needs to be traversed, descend into children // Path still needs to be traversed, descend into children
switch n := (origNode).(type) { switch n := (origNode).(type) {
case nil:
// Non-existent path requested, abort
return nil, nil, 0, nil
case valueNode: case valueNode:
// Path prematurely ended, abort // Path prematurely ended, abort
return nil, nil, 0, nil return nil, nil, 0, nil