RFR: 8292937: Improve performance of some read operations of RandomAccessFile [v2]

[Roger Riggs]

On Fri, 26 Aug 2022 17:02:36 GMT, Сергей Цыпанов <duke at openjdk.org> wrote:

>> src/java.base/share/native/libjava/io_util.c line 82:
>> 
>>> 80:                ((*(buf + 1) & 0xFF) << 16) +
>>> 81:                ((*(buf + 2) & 0xFF) << 8) +
>>> 82:                ((*(buf + 3) & 0xFF));
>> 
>> What if the native byte order is little-endian?
>
> I don't know, sorry

The spec and implementation for RandomAccessFile is big-endian *only*.  (As is all of the file and networking stream support).

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PR: https://git.openjdk.org/jdk/pull/10031