NetworkInterface: Clarify change marker.
The comment "specified to return null if no network interface" in
NetworkInterface.java derives from upstream OpenJDK 8u121-b13.
Upstream's getAll() method returns null rather than an array of length
0 in the case of no network interfaces. I suspect that the upstream
comment refers to getAll() returning null, but because it appeared
after an Android-changed marker, was not double-commented out, the null
check that it referred to wasn't present, and the following line
returned null, it appeared as if it referred to that.
This CL adds commented-out upstream code and an extra comment layer
to the "specified to return null" comment, to avoid this
misunderstanding.
Test: tools/upstream/upstream-diff java.net.NetworkInterface
Change-Id: I64f8919f6a3cce53f332ae8f3062b82d9927cd08
1 file changed