sysdeps/mach/hurd/mkdirat.c

   1 /* Create a directory named relative to another open directory.  Hurd version.
   2    Copyright (C) 1991-2021 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 }