On Tue, 12 Dec 2023 10:02:00 GMT, Per Minborg <pminb...@openjdk.org> wrote:
> This PR proposes to change the specification for some methods that take
> `long` offsets so that they will throw an `IllegalArgumentException` rather
> than an `IndexOutOfBoundsException` for negative values.
>
> The PR also proposes to fix a bug where the allocation size would overflow
> and the specified exception was not thrown.
src/java.base/share/classes/java/lang/foreign/SegmentAllocator.java line 737:
> 735: private MemorySegment allocateNoInit(MemoryLayout layout, long size)
> {
> 736: long byteSize;
> 737: try {
I don't think we want this. While it is more correct, that would negatively
affect performance. If there's an overflow, let it go negative, it will be
caught anyway
src/java.base/share/classes/jdk/internal/foreign/layout/AbstractLayout.java
line 156:
> 154: Utils.checkNonNegative(offset, "offset");
> 155: Utils.checkNonNegative(index, "index");
> 156: if (offset < 0) {
Duplicate check?
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PR Review Comment: https://git.openjdk.org/jdk/pull/17079#discussion_r1423834990
PR Review Comment: https://git.openjdk.org/jdk/pull/17079#discussion_r1423835592
