RFR: 8297632: InputStream.transferTo() method should specify what the return value should be when the number of bytes transfered is larger than Long.MAX_VALUE

Tue Nov 29 18:28:14 UTC 2022

On Tue, 29 Nov 2022 00:56:58 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> `java.io.InputStream::transferTo` could conceivably return a negative value if the count of bytes transferred overflows a `long`. Modify the method to limit the number of bytes transferred to `Long.MAX_VALUE` per invocation.

Modified in 254d6990bcf75700f1c3aa18e0f8b73b639d9bad to transfer all bytes but clamp the return value to `Long.MAX_VALUE`. Overrides in `java.io` were already examined and do not appear problematic but a second check would not hurt.

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PR: https://git.openjdk.org/jdk/pull/11403