glibc/sysdeps/unix/sysv/linux/xmknod.c

/* xmknod call using old-style Unix mknod system call.
   Copyright (C) 1991-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sysdep.h>
#include <shlib-compat.h>

#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
/* Create a device file named PATH, with permission and special bits MODE
   and device number DEV (which can be constructed from major and minor
   device numbers with the `makedev' macro above).  */
int
__xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
{
  if (vers != _MKNOD_VER)
    return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);

  return __mknodat (AT_FDCWD, path, mode, *dev);
}
#endif