RFR: 8309216: Cast from jchar* to char* in test java/io/GetXSpace.java [v2]

[Naoto Sato]

On Fri, 2 Jun 2023 22:18:45 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> I just wonder if jchar is UTF-16 and char is platform encoding, would it work by simply casting the low 8bit to char?
>
> Probably not. This is only intended to cover the constrained case of this test. Something like the macro `WITH_PLATFORM_STRING` in `libjava/io_util.h` would be needed for the general case, but I thought that that might be overdoing it for here. I could of course be mistaken.

OK, if the usage is limited and covers the required test cases, that sounds reasonable.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14276#discussion_r1214899665