* io/Makefile (routines): Add mknodat, xmknodat, mkdirat, mkfifoat.

	(static-only-routines): Add mknodat.
	* io/Versions [GLIBC_2.4]: Add mkdirat, mkfifoat, __xmknodat.
	* io/sys/stat.h: Declare mkditat, mknodat, mkfifoat, __xmknodat.
	Define mknodat inline function.
	* include/sys/stat.h: Add hidden proto for __xmknodat.
	* sysdeps/generic/mkdirat.c: New file.
	* sysdeps/generic/mkfifoat.c: New file.
	* sysdeps/generic/mknodat.c: New file.
	* sysdeps/generic/xmknodat.c: New file.
	* sysdeps/unix/mkfifoat.c: New file.
	* sysdeps/unix/sysv/linux/mkdirat.c: New file.
	* sysdeps/unix/sysv/linux/xmknodat.c: New file.

	* sysdeps/generic/xmknod.c: Add one more parameter check.

13 files changed, 480 insertions, 8 deletions

diff --git a/ChangeLog b/ChangeLog
index 1c3cc1ee26..9dd3bc2ee7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,21 @@
+2005-12-02  Ulrich Drepper  <drepper@redhat.com>
+
+	* io/Makefile (routines): Add mknodat, xmknodat, mkdirat, mkfifoat.
+	(static-only-routines): Add mknodat.
+	* io/Versions [GLIBC_2.4]: Add mkdirat, mkfifoat, __xmknodat.
+	* io/sys/stat.h: Declare mkditat, mknodat, mkfifoat, __xmknodat.
+	Define mknodat inline function.
+	* include/sys/stat.h: Add hidden proto for __xmknodat.
+	* sysdeps/generic/mkdirat.c: New file.
+	* sysdeps/generic/mkfifoat.c: New file.
+	* sysdeps/generic/mknodat.c: New file.
+	* sysdeps/generic/xmknodat.c: New file.
+	* sysdeps/unix/mkfifoat.c: New file.
+	* sysdeps/unix/sysv/linux/mkdirat.c: New file.
+	* sysdeps/unix/sysv/linux/xmknodat.c: New file.
+
+	* sysdeps/generic/xmknod.c: Add one more parameter check.
+
 2005-11-28  Andreas Jaeger  <aj@suse.de>
 
 	* sysdeps/unix/sysv/linux/mips/bits/mman.h (MREMAP_FIXED): Added,
diff --git a/NEWS b/NEWS
index 86c7b5e833..19c24c23dc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes.  2005-11-11
+GNU C Library NEWS -- history of user-visible changes.  2005-12-02
 Copyright (C) 1992-2002,2003,2004,2005 Free Software Foundation, Inc.
 See the end for copying conditions.
 
@@ -28,7 +28,7 @@ Version 2.4
   recommend using the stable 2.3 branch.
 
 * New interfaces: fdopendir, openat, fstatat, fchownat, futimesat, renameat,
-  unlinkat.
+  unlinkat, mkdirat, mkfifoat, mknodat.
 
 Version 2.3.6
 
diff --git a/include/sys/stat.h b/include/sys/stat.h
index 2e2566d9ef..4a4d05d938 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -29,6 +29,7 @@ extern __inline__ int __mknod (__const char *__path, __mode_t __mode,
 {
   return __xmknod (_MKNOD_VER, __path, __mode, &__dev);
 }
+libc_hidden_proto (__xmknodat)
 
 
 /* The `stat', `fstat', `lstat' functions have to be handled special since
diff --git a/io/Makefile b/io/Makefile
index 9339ffe699..76e6072c4b 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -28,13 +28,14 @@ headers := sys/stat.h bits/stat.h sys/statfs.h bits/statfs.h sys/vfs.h \
 
 routines :=								\
 	utime								\
-	mkfifo								\
-	stat fstat lstat mknod stat64 fstat64 lstat64 fstatat fstatat64	\
-	xstat fxstat lxstat xmknod xstat64 fxstat64 lxstat64		\
+	mkfifo mkfifoat							\
+	stat fstat lstat stat64 fstat64 lstat64 fstatat fstatat64	\
+	xstat fxstat lxstat xstat64 fxstat64 lxstat64			\
+	mknod mknodat xmknod xmknodat					\
 	fxstatat fxstatat64						\
 	statfs fstatfs statfs64 fstatfs64				\
 	statvfs fstatvfs statvfs64 fstatvfs64				\
-	umask chmod fchmod lchmod mkdir					\
+	umask chmod fchmod lchmod mkdir mkdirat				\
 	open open64 openat openat64 close				\
 	read write lseek lseek64 access euidaccess			\
 	fcntl flock lockf lockf64					\
@@ -54,8 +55,8 @@ routines :=								\
 # These routines will be omitted from the libc shared object.
 # Instead the static object files will be included in a special archive
 # linked against when the shared library will be used.
-static-only-routines = stat fstat lstat mknod stat64 fstat64 lstat64	\
-		       fstatat fstatat64
+static-only-routines = stat fstat lstat stat64 fstat64 lstat64	\
+		       fstatat fstatat64 mknod mknodat
 
 others		:= pwd
 test-srcs	:= ftwtest
diff --git a/io/Versions b/io/Versions
index 65ee77182e..05b9bfc185 100644
--- a/io/Versions
+++ b/io/Versions
@@ -100,6 +100,7 @@ libc {
   GLIBC_2.4 {
     fchownat;
     __fxstatat; __fxstatat64;
+    mkdirat; mkfifoat; __xmknodat;
     openat; openat64;
     unlinkat;
   }
diff --git a/io/sys/stat.h b/io/sys/stat.h
index 03152990e7..d164645a8e 100644
--- a/io/sys/stat.h
+++ b/io/sys/stat.h
@@ -305,6 +305,14 @@ extern __mode_t getumask (void) __THROW;
 extern int mkdir (__const char *__path, __mode_t __mode)
      __THROW __nonnull ((1));
 
+#ifdef __USE_GNU
+/* Like mkdir, create a new directory with permission bits MODE.  But
+   interpret relative PATH names relative to the directory associated
+   with FD.  */
+extern int mkdirat (int __fd, __const char *__path, __mode_t __mode)
+     __THROW __nonnull ((2));
+#endif
+
 /* 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).  */
@@ -313,10 +321,26 @@ extern int mknod (__const char *__path, __mode_t __mode, __dev_t __dev)
      __THROW __nonnull ((1));
 #endif
 
+#ifdef __USE_GNU
+/* Like mknod, create a new device file with permission bits MODE and
+   device number DEV.  But interpret relative PATH names relative to
+   the directory associated with FD.  */
+extern int mknodat (int __fd, __const char *__path, __mode_t __mode,
+		    __dev_t __dev) __THROW __nonnull ((2));
+#endif
+
 
 /* Create a new FIFO named PATH, with permission bits MODE.  */
 extern int mkfifo (__const char *__path, __mode_t __mode)
      __THROW __nonnull ((1));
+
+#ifdef __USE_GNU
+/* Like mkfifo, create a new FIFO with permission bits MODE.  But
+   interpret relative PATH names relative to the directory associated
+   with FD.  */
+extern int mkfifoat (int __fd, __const char *__path, __mode_t __mode)
+     __THROW __nonnull ((2));
+#endif
 
 /* To allow the `struct stat' structure and the file type `mode_t'
    bits to vary without changing shared library major version number,
@@ -388,6 +412,10 @@ extern int __fxstatat64 (int __ver, int __fildes, __const char *__filename,
 extern int __xmknod (int __ver, __const char *__path, __mode_t __mode,
 		     __dev_t *__dev) __THROW __nonnull ((2, 4));
 
+extern int __xmknodat (int __ver, int __fd, __const char *__path,
+		       __mode_t __mode, __dev_t *__dev)
+     __THROW __nonnull ((3, 5));
+
 #if defined __GNUC__ && __GNUC__ >= 2
 /* Inlined versions of the real stat and mknod functions.  */
 
@@ -428,6 +456,15 @@ __NTH (mknod (__const char *__path, __mode_t __mode, __dev_t __dev))
 }
 # endif
 
+# ifdef __USE_GNU
+extern __inline__ int
+__NTH (mknodat (int __fd, __const char *__path, __mode_t __mode,
+		__dev_t __dev))
+{
+  return __xmknodat (_MKNOD_VER, __fd, __path, __mode, &__dev);
+}
+# endif
+
 # if defined __USE_LARGEFILE64 \
   && (! defined __USE_FILE_OFFSET64 \
       || (defined __REDIRECT_NTH && defined __OPTIMIZE__))
diff --git a/sysdeps/generic/mkdirat.c b/sysdeps/generic/mkdirat.c
new file mode 100644
index 0000000000..ccea3aa8d8
--- /dev/null
+++ b/sysdeps/generic/mkdirat.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a directory named PATH relative to FD with protections MODE.  */
+int
+mkdirat (fd, path, mode)
+     int fd;
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mkdirat)
+
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mkfifoat.c b/sysdeps/generic/mkfifoat.c
new file mode 100644
index 0000000000..48c38c8182
--- /dev/null
+++ b/sysdeps/generic/mkfifoat.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a named pipe (FIFO) named PATH relative to FD with
+   protections MODE.  */
+int
+mkfifoat (fd, path, mode)
+     int fd;
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (mkfifoat)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mknodat.c b/sysdeps/generic/mknodat.c
new file mode 100644
index 0000000000..ac515b5b48
--- /dev/null
+++ b/sysdeps/generic/mknodat.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1995, 1996, 2001, 2005 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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 <sys/types.h>
+#include <sys/stat.h>
+
+/* This definition is only used if inlining fails for this function; see
+   the last page of <sys/stat.h>.  The real work is done by the `x'
+   function which is passed a version number argument.  We arrange in the
+   makefile that when not inlined this function is always statically
+   linked; that way a dynamically-linked executable always encodes the
+   version number corresponding to the data structures it uses, so the `x'
+   functions in the shared library can adapt without needing to recompile
+   all callers.  */
+
+int
+mknodat (int fd, const char *path, mode_t mode, dev_t dev)
+{
+  return __xmknodat (_MKNOD_VER, fd, path, mode, &dev);
+}
+
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tmknodat");
+#endif
diff --git a/sysdeps/generic/xmknodat.c b/sysdeps/generic/xmknodat.c
new file mode 100644
index 0000000000..56d88c7b0f
--- /dev/null
+++ b/sysdeps/generic/xmknodat.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/* Create a device file named PATH relative to FD, 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
+__xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
+{
+  if (vers != _MKNOD_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (__xmknodat)
+
+libc_hidden_def (__xmknodat)
+#include <stub-tag.h>
diff --git a/sysdeps/unix/mkfifoat.c b/sysdeps/unix/mkfifoat.c
new file mode 100644
index 0000000000..5c4da2a982
--- /dev/null
+++ b/sysdeps/unix/mkfifoat.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2005 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 <sys/stat.h>
+
+
+/* Create a new FIFO with permission bits MODE.  But interpret
+   relative PATH names relative to the directory associated with FD.  */
+int
+mkfifoat (fd, file, mode)
+     int fd;
+     const char *file;
+     mode_t mode;
+{
+  dev_t dev = 0;
+  return __xmknodat (_MKNOD_VER, fd, file, mode | S_IFIFO, &dev);
+}
diff --git a/sysdeps/unix/sysv/linux/mkdirat.c b/sysdeps/unix/sysv/linux/mkdirat.c
new file mode 100644
index 0000000000..367441b05b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mkdirat.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sysdep-cancel.h>
+
+
+/* Create a new directory with permission bits MODE.  But interpret
+   relative PATH names relative to the directory associated with FD.  */
+int
+mkdirat (fd, file, mode)
+     int fd;
+     const char *file;
+     mode_t mode;
+{
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  INTERNAL_SYSCALL_DECL (err);
+  int res = INTERNAL_SYSCALL (mkdir, err, 2, file, mode);
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
+    {
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf);
+      res = -1;
+    }
+
+  return res;
+}
diff --git a/sysdeps/unix/sysv/linux/xmknodat.c b/sysdeps/unix/sysv/linux/xmknodat.c
new file mode 100644
index 0000000000..9332ae683e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/xmknodat.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stdio.h>
+#include <string.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 relative to FD, 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
+__xmknodat (int vers, int fd, const char *file, mode_t mode, dev_t *dev)
+{
+  if (vers != _MKNOD_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  /* We must convert the value to dev_t type used by the kernel.  */
+  unsigned long long int k_dev =  (*dev) & ((1ULL << 32) - 1);
+  if (k_dev != *dev)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return INLINE_SYSCALL (mknod, 3, CHECK_STRING (file), mode,
+			 (unsigned int) k_dev);
+}
+
+libc_hidden_def (__xmknodat)