[pups] extract old archive format?
Johnny Billquist
bqt at softjar.se
Fri Apr 9 20:21:23 AEST 2010
John Holden wrote:
>> Well I found the ar specification (in ar.5 not ar.1).
>>
>> struct ar_hdr {
>> char ar_name[14];
>> long ar_date;
>> char ar_uid;
>> char ar_gid;
>> int ar_mode;
>> long ar_size;
>> };
>
> Endian should not be a problem on a Intel/AMD processor. More likely your C
> compiler is padding out the array for alignment. Try a '-fpack-struct' or
> more safely, read the elements individually rather than a structure.
>
> PS
>
> To check, see what 'sizeof (struct ar_hdr_)' returns.
Well, you are correct in that aligment is a part of the problem.
However, endianess is also a problem with longs, since they are not
little-endian on a PDP11. :-)
Johnny
More information about the TUHS
mailing list