Re: [Uisp-dev] [patch] Alignment on ARM

[Wojtek Kaniewski]

Raphael Assenat napisał(a):
> The supplemental bytes are due to the sizeof(struct SPrgParams) being 
> equal to 24 on arm due to alignment/padding of the struct by the 
> compiler. On an x86, it is 22 bytes.
>
> I tried using #pragma pack(1), -fpack-structs, but the size of the 
> struct stayed at 24. Finally, I decided to copy manually all the members
> of the structure into the buffer and I hardcoded the length to 22 (see 
> diff below). That worked.

struct SPrgParams {
  // ...
} __attribute__ ((packed));

should do the thing.

regards,
wojtek