[jira] [Work logged] (IO-611) FilenameUtils.normalize does not sanitize multiple slashes after prefix

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-611?focusedWorklogId=807808&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-807808 ]

ASF GitHub Bot logged work on IO-611:
-------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Sep/22 08:07
            Start Date: 12/Sep/22 08:07
    Worklog Time Spent: 10m 
      Work Description: urvanov-ru opened a new pull request, #383:
URL: https://github.com/apache/commons-io/pull/383

   Looks like someone fixed the code, but javadoc describes the method wrong.




Issue Time Tracking
-------------------

            Worklog Id:     (was: 807808)
    Remaining Estimate: 0h
            Time Spent: 10m

> FilenameUtils.normalize does not sanitize multiple slashes after prefix
> -----------------------------------------------------------------------
>
>                 Key: IO-611
>                 URL: https://issues.apache.org/jira/browse/IO-611
>             Project: Commons IO
>          Issue Type: Bug
>    Affects Versions: 2.6
>            Reporter: Urvanov
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> FilenameUtils.#normalize states in javadoc that //foo//./bar becomes /foo/bar
> {code:java}
> System.out.println(FilenameUtils.normalize("//foo//./bar"));
> System.out.println(FilenameUtils.normalize("\\\\foo\\\\.\\bar"));
> {code}
> Result:
> {code:java}
> //foo//bar
> //foo//bar
> {code}
> So, javadoc says, that it should be /foo/bar. I think, that //foo is prefix, so it should be //foo/bar. But in real life it becomes the third way (//foo//bar).
>  
> I think we should fix javadoc and the code. The correct result should be //foo/bar



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