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/* Get runtime options given a file handle
Copyright (C) 1996,98,2002 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <argz.h>
#include <hurd/fshelp.h>
#include "priv.h"
error_t
trivfs_S_file_get_fs_options (struct trivfs_protid *cred,
mach_port_t reply,
mach_msg_type_name_t reply_type,
char **data, mach_msg_type_number_t *len)
{
error_t err;
char *argz = 0;
size_t argz_len = 0;
if (! cred)
return EOPNOTSUPP;
err = argz_add (&argz, &argz_len, program_invocation_name);
if (err)
return err;
err = trivfs_append_args (cred->po->cntl, &argz, &argz_len);
if (! err)
/* Put ARGZ into vm_alloced memory for the return trip. */
err = iohelp_return_malloced_buffer (argz, argz_len, data, len);
else
free (argz);
return err;
}
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