sysdeps/unix/sysv/linux/xmknod.c

   1 /* xmknod call using old-style Unix mknod system call.
   2    Copyright (C) 1991-2024 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 <sys/stat.h>
  20 #include <fcntl.h>
  21 #include <errno.h>
  22 #include <sysdep.h>
  23 #include <shlib-compat.h>
  24
  25 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
  26 /* Create a device file named PATH, with permission and special bits MODE
  27    and device number DEV (which can be constructed from major and minor
  28    device numbers with the `makedev' macro above).  */
  29 int
  30 __xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
  31 {
  32   if (vers != _MKNOD_VER)
  33     return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
  34
  35   return __mknodat (AT_FDCWD, path, mode, *dev);
  36 }
  37 #endif