mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 17:11:06 +00:00
b1c74afa76
2003-09-27 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/ustat.c (ustat): Set errno to EINVAL if the device ID is invalid and return -1. * sysdeps/unix/sysv/linux/xmknod.c (__xmknod): Likewise.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* xmknod call using old-style Unix mknod system call.
|
|
Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2003
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/sysmacros.h>
|
|
|
|
#include <sysdep.h>
|
|
#include <sys/syscall.h>
|
|
#include <bp-checks.h>
|
|
|
|
/* 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)
|
|
{
|
|
unsigned long long int k_dev;
|
|
|
|
if (vers != _MKNOD_VER)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
/* We must convert the value to dev_t type used by the kernel. */
|
|
k_dev = (*dev) & ((1ULL << 32) - 1);
|
|
if (k_dev != *dev)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode,
|
|
(unsigned int) k_dev);
|
|
}
|
|
|
|
weak_alias (__xmknod, _xmknod)
|
|
libc_hidden_def (__xmknod)
|