hurd/hurdsocket.h

   1 /* Hurd-specific socket functions
   2    Copyright (C) 2013-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _HURD_HURDSOCKET_H
  20 #define _HURD_HURDSOCKET_H
  21
  22 #include <string.h>
  23
  24 /* Returns a duplicate of ADDR->sun_path with LEN limitation.  This
  25    should to be used whenever reading a unix socket address, to cope with
  26    sun_path possibly not including a trailing \0.  */
  27 #define _hurd_sun_path_dupa(addr, len) \
  28   strndupa ((addr)->sun_path, (len) - offsetof (struct sockaddr_un, sun_path))
  29
  30 #endif /* hurdsocket.h */