[fpc-pascal] Re: does the following translation of a c struct to FPC is correct ?

[ik]

Answering myself:

On Sun, Feb 26, 2012 at 14:54, ik <idokan at gmail.com> wrote:
> Hello,
>
> I translated the following struct
>
> struct iphdr {
> #if defined(__LITTLE_ENDIAN_BITFIELD)
>        __u8    ihl:4,
>                version:4;
> #elif defined (__BIG_ENDIAN_BITFIELD)
>        __u8    version:4,
>                ihl:4;
> #else
> #error  "Please fix <asm/byteorder.h>"
> #endif
>        __u8    tos;
>        __be16  tot_len;
>        __be16  id;
>        __be16  frag_off;
>        __u8    ttl;
>        __u8    protocol;
>        __sum16 check;
>        __be32  saddr;
>        __be32  daddr;
>        /*The options start here. */
> };
>
> to the following Pascal record:
>
>
> iphdr    = record
> {$IFDEF ENDIAN_LITTLE}
>              jhl     : Cardinal; // __u8       ihl:4,
                           cuchar; // instead of Cardinal

>              version : Cardinal; // version:4
> {$ELSE}
>              version : Cardinal; // __u8 version:4,
>              jhl     : Cardinal; // version:4
> {$ENDIF}
>              tos      : cuint8;
>              tot_len  : cint16;
>              id       : cint16;
>              frag_off : cint16;
>              ttl      : cint8;
>              protocol : cint8;
>              check    : cuint16;
>              saddr    : cint32;
>              daddr    : cint32;
>  end;
>
> The problem is, that I get weird data in the fields, so I think I did
> not translate it properly, but can't figure out what have I missed.
>
> Thanks,
> Ido