1  /* Change the protections of file relative to open directory.  Hurd version.
       2     Copyright (C) 2006-2023 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  #include <errno.h>
      20  #include <fcntl.h>
      21  #include <stddef.h>
      22  #include <unistd.h>
      23  #include <sys/types.h>
      24  #include <hurd.h>
      25  #include <hurd/fd.h>
      26  
      27  int
      28  __fchmodat (int fd, const char *file, mode_t mode, int flag)
      29  {
      30    error_t err;
      31    file_t port = __file_name_lookup_at (fd, flag, file, 0, 0);
      32    if (port == MACH_PORT_NULL)
      33      return -1;
      34    err = __file_chmod (port, mode);
      35    __mach_port_deallocate (__mach_task_self (), port);
      36    if (err)
      37      return __hurd_fail (err);
      38    return 0;
      39  }
      40  
      41  weak_alias (__fchmodat, fchmodat)
      42  libc_hidden_def (fchmodat)