Re: [Paparazzi-devel] FlightGear not working

[Alexandre Bustico]

Le 06/12/2011 22:10, 
address@hidden a écrit :
> Eduard
>
> I am surprised you find this does not work.
>
> The structure packing would naturally be pack(8) when built on linux with a 64 
> bit compiler. ie you dont need to tell it to do any special alignment because 
> it will be aligned on 8 byte boundaries anyway otherwise integers (which take 8 
> bytes in 64bit)  would not be aligned in memory.
>
> Eric

On many 64 bits platform, sizeof(int) is 4 bytes, long and pointers are 
8 bytes wide,
so packing is dependent of the behavior of the compiler when it analyses 
the content of the struct.

Alexandre