On Tue, 4 Oct 2022 06:55:11 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> Fixes JDK-8294702
>
> src/java.base/share/classes/java/io/BufferedInputStream.java line 546:
> 
>> 544:     private void implReset() throws IOException {
>> 545:         getBufIfOpen(); // Cause exception if closed
>> 546:         if (markpos == -1)
> 
> Just looking at this one again and it might be better to not change 
> implReset. If a broken subclass were to set markpos to less than -1 then the 
> reset() method would throw and avoid a more confusing IIOOBE or other 
> exception.

This is true, but if a broken subclass sets markpos to less than -1 then lots 
of code lines will work incorrectly -- including `transferTo` which was the 
starting point of your change proposal. So do you really only want undo the 
change *here*, or is it better drop this PR and even use `< 0` in `transferTo`, 
as I originally proposed?

-------------

PR: https://git.openjdk.org/jdk/pull/10528

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