From 85741f7eba716db09f586bc94aaa9a6b5dc2347f Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed, 11 Nov 2020 22:47:13 +0000
Subject: hurd: Move {,f,l}xstat{,at} and xmknod{at} to compat symbols

We do not actually need them, so we can move their implementations
into the standard {,f,l}stat{,at} variants and only keep compatibility
wrappers.
---
 sysdeps/mach/hurd/xmknodat.c | 100 ++-----------------------------------------
 1 file changed, 4 insertions(+), 96 deletions(-)

(limited to 'sysdeps/mach/hurd/xmknodat.c')

diff --git a/sysdeps/mach/hurd/xmknodat.c b/sysdeps/mach/hurd/xmknodat.c
index 90724694d5..069f8bed3a 100644
--- a/sysdeps/mach/hurd/xmknodat.c
+++ b/sysdeps/mach/hurd/xmknodat.c
@@ -16,18 +16,13 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
 #include <sys/stat.h>
-#include <hurd.h>
-#include <hurd/fd.h>
-#include <hurd/paths.h>
+#include <errno.h>
 #include <fcntl.h>
-#include <_itoa.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/sysmacros.h>
+#include <hurd.h>
 #include <shlib-compat.h>
 
+#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
 /* 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
@@ -35,96 +30,9 @@
 int
 __xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
 {
-  error_t errnode, err;
-  file_t dir, node;
-  char *name;
-  char buf[100], *bp;
-  const char *translator;
-  size_t len;
-
   if (vers != _MKNOD_VER)
     return __hurd_fail (EINVAL);
 
-  if (S_ISCHR (mode))
-    {
-      translator = _HURD_CHRDEV;
-      len = sizeof (_HURD_CHRDEV);
-    }
-  else if (S_ISBLK (mode))
-    {
-      translator = _HURD_BLKDEV;
-      len = sizeof (_HURD_BLKDEV);
-    }
-  else if (S_ISFIFO (mode))
-    {
-      translator = _HURD_FIFO;
-      len = sizeof (_HURD_FIFO);
-    }
-  else if (S_ISREG (mode))
-    {
-      translator = NULL;
-      len = 0;
-    }
-  else
-    {
-      errno = EINVAL;
-      return -1;
-    }
-
-  if (translator != NULL && ! S_ISFIFO (mode))
-    {
-      /* We set the translator to "ifmt\0major\0minor\0", where IFMT
-	 depends on the S_IFMT bits of our MODE argument, and MAJOR and
-	 MINOR are ASCII decimal (octal or hex would do as well)
-	 representations of our arguments.  Thus the convention is that
-	 CHRDEV and BLKDEV translators are invoked with two non-switch
-	 arguments, giving the major and minor device numbers in %i format. */
-
-      bp = buf + sizeof (buf);
-      *--bp = '\0';
-      bp = _itoa (__gnu_dev_minor (*dev), bp, 10, 0);
-      *--bp = '\0';
-      bp = _itoa (__gnu_dev_major (*dev), bp, 10, 0);
-      memcpy (bp - len, translator, len);
-      translator = bp - len;
-      len = buf + sizeof (buf) - translator;
-    }
-
-  dir = __file_name_split_at (fd, path, &name);
-  if (dir == MACH_PORT_NULL)
-    return -1;
-
-  /* Create a new, unlinked node in the target directory.  */
-  errnode = err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node);
-
-  if (! err && translator != NULL)
-    /* Set the node's translator to make it a device.  */
-    err = __file_set_translator (node,
-				 FS_TRANS_EXCL | FS_TRANS_SET,
-				 FS_TRANS_EXCL | FS_TRANS_SET, 0,
-				 translator, len,
-				 MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
-
-  if (! err)
-    /* Link the node, now a valid device, into the target directory.  */
-    err = __dir_link (dir, node, name, 1);
-
-  __mach_port_deallocate (__mach_task_self (), dir);
-  if (! errnode)
-    __mach_port_deallocate (__mach_task_self (), node);
-
-  if (err)
-    return __hurd_fail (err);
-  return 0;
-}
-libc_hidden_def (__xmknodat)
-
-#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
-int
-__xmknodat_compat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
-{
-  return __xmknodat (vers, fd, path, mode, dev);
+  return __mknodat (fd, path, mode, *dev);
 }
-
-compat_symbol (libc, __xmknodat_compat, __xmknodat, GLIBC_2_4);
 #endif
-- 
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