On Tue, 21 Jan 2025 00:34:39 GMT, Julian Waters <jwat...@openjdk.org> wrote:

>> src/jdk.accessibility/windows/native/bridge/AccessBridgeCalls.c line 233:
>> 
>>> 231:             return TRUE;
>>> 232:         }
>>> 233:         ((void) error);
>> 
>> Not sure why do we need it. I mean there is a value assignment before so why 
>> would compiler complain?
>
> The error being cast to void is just there to mark that this was a place that 
> the compiler flagged, as for the warning itself, apparently just assigning 
> the value is not enough, as that yields a -Wunused-but-set-variable, it has 
> to actually be used somehow or explicitly be cast to void to stop the warning 
> altogether

This may be useful in a debug build to look up the error if it occurs…

Shall it be removed?

>> src/jdk.accessibility/windows/native/jabswitch/jabswitch.cpp line 326:
>> 
>>> 324: int regEnable() {
>>> 325:     HKEY hKey;
>>> 326:  // DWORD retval = -1;
>> 
>> I don't think we need to comment out both retval and freeData. It is either 
>> remnants of the code that was long gone or (more likely) were just a copy of 
>> another template method that actually uses these variables. If variables are 
>> not used within the function i would just delete them.
>
> Will do, thanks

I agree `retval` was probably used as a return value of the function; now there 
are explicit `return` statements.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/21656#discussion_r1924377383
PR Review Comment: https://git.openjdk.org/jdk/pull/21656#discussion_r1923754007

Reply via email to