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  1. JDK
  2. JDK-8177969

Faster FilePermission::implies by avoiding the use of Path::relativize

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      Description

        The new FilePermission::implies implementation introduced in JDK-8164705 uses Path::relativize to find out if a path is inside another one. Path::relativize is quite complicated and since we don't need the actual result (we only need to see if the result is zero-or-more ".."), we can avoid using this method and write our own check.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8179150 Faster FilePermission::implies by avoiding the use of Path::relativize

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8164705 Remove pathname canonicalization from FilePermission

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

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                weijun Weijun Wang
                weijun Weijun Wang
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