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path: add more examples for path.Clean

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Clarify that the function path.Clean only normalises paths and does not
protect against directory-traversal attacks.

Change-Id: I66f1267ac15900ac0cb6011ace0c79aabaebc68b
GitHub-Last-Rev: d669e1edf6
GitHub-Pull-Request: golang/go#74397
Reviewed-on: https://go-review.googlesource.com/c/go/+/684376
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Sean Liao <sean@liao.dev>
Auto-Submit: Sean Liao <sean@liao.dev>
This commit is contained in:
Louis Nyffenegger 2025-07-06 11:18:42 +00:00 • committed by Gopher Robot
parent eec40aae45
commit a572d571fa
1 changed files with 4 additions and 0 deletions
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4
src/path/example_test.go
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@ -25,6 +25,8 @@ func ExampleClean() {
"a//c",
"a/c/.",
"a/c/b/..",
"../a/c",
"../a/b/../././/c",
"/../a/c",
"/../a/b/../././/c",
"",
@ -39,6 +41,8 @@ func ExampleClean() {
// Clean("a//c") = "a/c"
// Clean("a/c/.") = "a/c"
// Clean("a/c/b/..") = "a/c"
// Clean("../a/c") = "../a/c"
// Clean("../a/b/../././/c") = "../a/c"
// Clean("/../a/c") = "/a/c"
// Clean("/../a/b/../././/c") = "/a/c"
// Clean("") = "."