sysdeps/mach/hurd/pathconf.c

   1 /* Copyright (C) 1991-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <stddef.h>
  20 #include <sys/stat.h>
  21 #include <hurd.h>
  22 #include <hurd/fd.h>
  23
  24 /* Get file-specific information about FILE.  */
  25 long int
  26 __pathconf (const char *file, int name)
  27 {
  28   error_t err;
  29   int value;                    /* RPC returns an `int', not a `long int'.  */
  30   file_t port = __file_name_lookup (file, 0, 0);
  31   if (port == MACH_PORT_NULL)
  32     return -1L;
  33   err = __io_pathconf (port, name, &value);
  34   __mach_port_deallocate (__mach_task_self (), port);
  35   if (err)
  36     return __hurd_fail (err), -1L;
  37   return value;
  38 }
  39
  40 weak_alias (__pathconf, pathconf)