1  /* Create a directory named relative to another open directory.  Hurd version.
       2     Copyright (C) 1991-2023 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 <stddef.h>
      21  #include <sys/stat.h>
      22  #include <hurd.h>
      23  #include <hurd/fd.h>
      24  #include <string.h>
      25  
      26  int
      27  __mkdirat (int fd, const char *path, mode_t mode)
      28  {
      29    error_t err;
      30    const char *name;
      31    file_t parent;
      32    if (!strcmp (path, "/"))
      33      return __hurd_fail (EEXIST);
      34    parent = __directory_name_split_at (fd, path, (char **) &name);
      35    if (parent == MACH_PORT_NULL)
      36      return -1;
      37    err = __dir_mkdir (parent, name, mode & ~_hurd_umask);
      38    __mach_port_deallocate (__mach_task_self (), parent);
      39    if (err)
      40      return __hurd_fail (err);
      41    return 0;
      42  }
      43  
      44  weak_alias (__mkdirat, mkdirat)