[GitHub] [celix] PengZheng commented on issue #232: test_dfi fails when optimizing

["PengZheng (via GitHub)" <gi...@apache.org>]

PengZheng commented on issue #232:
URL: https://github.com/apache/celix/issues/232#issuecomment-1451829207

   Zhenbao reproduced it successfully, and will make a PR fixing this.
   
   The root cause is that according to `man ffi_call`
   
   ```
   rvalue must point to storage that is sizeof(ffi_arg) or larger for non-floating point types. For smaller-sized return value types, the ffi_arg or ffi_sarg integral type must be used to hold the return value.
   ```


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