[pups] extract old archive format?

John Holden johnh at psych.usyd.edu.au
Fri Apr 9 12:40:44 AEST 2010

> 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.


To check, see what 'sizeof (struct ar_hdr_)' returns.


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