RFR: 8194154: JDK crashes parsing path string contains '//' on linux

[David Holmes]

Moving to core-libs-dev. Code reviews don't take place on jdk-dev but on 
the component area mailing lists.

Thanks,
David

On 8/02/2018 6:10 AM, yumin qi wrote:
> Hi,
> 
>    Please review the fix (extra small) for:
>    bug 8194154: https://bugs.openjdk.java.net/browse/JDK-8194154
>    webrev: http://cr.openjdk.java.net/~minqi/8194154/
> 
>    Summary: canonicalize will check and fold double (or more) slashes, but
> in function collapsible(char*) and splitNames(char*, char**), it failed to
> process strings like "//". This results in the former does not give a
> correct number of substrings and the later does not give a correct array of
> substrings. The fix add a check if the character is '/' after a '/'.
> 
>      The test case added will crash without the fix.
> 
>   Thanks
>   Yumin
>