1  /* Hurd-specific socket functions
       2     Copyright (C) 2013-2023 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     <https://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 */