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small enhance for cleanPath (#1469)

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from httprouter patch: https://github.com/julienschmidt/httprouter/pull/243
This commit is contained in:
田欧 2018-08-10 20:50:23 +08:00 committed by Bo-Yi Wu
parent 1f1bc429ed
commit 8fc8ce0472
1 changed files with 2 additions and 2 deletions
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4
path.go
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@ -59,11 +59,11 @@ func cleanPath(p string) string {
case p[r] == '.' && p[r+1] == '/':
// . element
r++
r += 2
case p[r] == '.' && p[r+1] == '.' && (r+2 == n || p[r+2] == '/'):
// .. element: remove to last /
r += 2
r += 3
if w > 1 {
// can backtrack