small enhance for cleanPath (#1469)

from httprouter patch: https://github.com/julienschmidt/httprouter/pull/243
2018-08-10 20:50:23 +08:00 · 2018-08-10 20:50:23 +08:00 · 8fc8ce0472
parent 1f1bc429ed
commit 8fc8ce0472
1 changed files with 2 additions and 2 deletions
--- a/path.go
+++ b/path.go
@ -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