FTP file system and cp shell command

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Mar 26 10:36:03 UTC 2009


I started to rewrite the FTP file system (FTP client).  One goal is to support
the standard cp shell command.  So I have to provide some sort of information
for stat().  My current approach looks like:

static int rtems_ftpfs_fstat(
  rtems_filesystem_location_info_t *loc,
  struct stat *st
  memset( st, 0, sizeof( *st));

  st->st_mode = S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO;

  return 0;

This works fine for "cp local remote" and "cp remote local" variants.  The case
"cp remote remote" fails because the node index (st->ino) and device (st->dev)
is equal to zero for both remote files.  So cp assumes that the files are
identical and there is nothing to copy.  Does anyone know a good way to provide
a fake node index?

Have a nice day!

Sebastian Huber, Embedded Brains GmbH

Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany
Phone   : +49 89 18 90 80 79-6
Fax     : +49 89 18 90 80 79-9
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request

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