RFR: 7904079: Fix setting up length parameter for CXUnsavedFiles Struct [v8]

[Maurizio Cimadamore]

On Mon, 22 Sep 2025 12:46:03 GMT, Varada M <varadam at openjdk.org> wrote:

>> CXUnsavedFile struct contains three members, first two are pointers and last one is unsigned long. When jextract makes downcall to clang_reparseTranslationUnit_Impl it sets up the third parameter in the struct incorrectly. It sets INT instead of LONG so on big endian platform the parameter will be set differently. 
>> 
>> JBS Issue : [CODETOOLS-7904079](https://bugs.openjdk.org/browse/CODETOOLS-7904079)
>
> Varada M has updated the pull request incrementally with one additional commit since the last revision:
> 
>   7904079: Fix setting up length parameter for CXUnsavedFiles Struct

Thanks for fixing -- we should file an upstream issue against libclang to use `long long` in that struct, I suppose.

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PR Comment: https://git.openjdk.org/jextract/pull/289#issuecomment-3323016220