15.05.2018 11:58, Alex Peshkoff via Firebird-devel wrote:
  Do alignment of fields in C struct matches alignment of the same fields in 
MessageBuffer?
  If at compile/preprocess time construct a struct to be used directly in OO API, will it be reliable?

Not always.  For example, on 32-bit linux int64 values are aligned at 4, not 8, 
bytes.

Perhaps, I could handle it by adding of __attribute__((aligned(8))) to the declaration of ISC_INT64...

--
  WBR, SD.

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