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

[yumin qi]

David, Thanks!

On Wed, Feb 7, 2018 at 7:32 PM, David Holmes <david.holmes at oracle.com>
wrote:

> 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
>>
>>