RFR: 8277489: Rewrite JAAS UnixLoginModule with FFM [v10]

[Weijun Wang]

On Wed, 21 Jan 2026 20:23:25 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   unnecessary initialization
>
> src/jdk.security.auth/share/classes/com/sun/security/auth/module/UnixSystem.java line 118:
> 
>> 116:             = LINKER.downcallHandle(SYMBOL_LOOKUP.findOrThrow(
>> 117:                             OperatingSystem.isAix() ? "_posix_getpwuid_r" : "getpwuid_r"),
>> 118:                     FunctionDescriptor.of(C_INT,
> 
> Indentation could be improved, here.

Do you have a suggestion? I intentionally indented based on argument nesting. `FunctionDescriptor.of(...` is the 2nd argument of `downcallHandle` so I indented one level (8 spaces) to the method. `OperatingSystem.isAix()...` is argument of `findOrThrow` and `calling_convention_requires_int_as_long...` etc are arguments of `FunctionDescriptor.of` and they are indented one level further. IntelliJ IDEA unindents the `FunctionDescriptor.of(...)` block but I don't think that's correct.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28931#discussion_r2714326021