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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /hurd/xattr.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'hurd/xattr.c')
-rw-r--r--hurd/xattr.c201
1 files changed, 0 insertions, 201 deletions
diff --git a/hurd/xattr.c b/hurd/xattr.c
deleted file mode 100644
index cf3e22d982..0000000000
--- a/hurd/xattr.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/* Support for *xattr interfaces on GNU/Hurd.
-   Copyright (C) 2006 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 <hurd.h>
-#include <hurd/xattr.h>
-#include <string.h>
-#include <sys/mman.h>
-
-/* Right now we support only a fixed set of xattr names for Hurd features.
-   There are no RPC interfaces for free-form xattr names and values.
-
-   Name			Value encoding
-   ----			----- --------
-   gnu.author		empty if st_author==st_uid
-			uid_t giving st_author value
-   gnu.translator	empty if no passive translator
-  			translator and arguments: "/hurd/foo\0arg1\0arg2\0"
-*/
-
-error_t
-_hurd_xattr_get (io_t port, const char *name, void *value, size_t *size)
-{
-  if (strncmp (name, "gnu.", 4))
-    return EOPNOTSUPP;
-  name += 4;
-
-  if (!strcmp (name, "author"))
-    {
-      struct stat64 st;
-      error_t err = __io_stat (port, &st);
-      if (err)
-	return err;
-      if (st.st_author == st.st_uid)
-	*size = 0;
-      else if (value)
-	{
-	  if (*size < sizeof st.st_author)
-	    return ERANGE;
-	  memcpy (value, &st.st_author, sizeof st.st_author);
-	}
-      *size = sizeof st.st_author;
-      return 0;
-    }
-
-  if (!strcmp (name, "translator"))
-    {
-      char *buf = value;
-      size_t bufsz = value ? *size : 0;
-      error_t err = __file_get_translator (port, &buf, &bufsz);
-      if (err)
-	return err;
-      if (value != NULL && *size < bufsz)
-	{
-	  if (buf != value)
-	    munmap (buf, bufsz);
-	  return -ERANGE;
-	}
-      if (buf != value && bufsz > 0)
-	{
-	  if (value != NULL)
-	    memcpy (value, buf, bufsz);
-	  munmap (buf, bufsz);
-	}
-      *size = bufsz;
-      return 0;
-    }
-
-  return EOPNOTSUPP;
-}
-
-error_t
-_hurd_xattr_set (io_t port, const char *name, const void *value, size_t size,
-		 int flags)
-{
-  if (strncmp (name, "gnu.", 4))
-    return EOPNOTSUPP;
-  name += 4;
-
-  if (!strcmp (name, "author"))
-    switch (size)
-      {
-      default:
-	return EINVAL;
-      case 0:			/* "Clear" author by setting to st_uid. */
-	{
-	  struct stat64 st;
-	  error_t err = __io_stat (port, &st);
-	  if (err)
-	    return err;
-	  if (st.st_author == st.st_uid)
-	    {
-	      /* Nothing to do.  */
-	      if (flags & XATTR_REPLACE)
-		return ENODATA;
-	      return 0;
-	    }
-	  if (flags & XATTR_CREATE)
-	    return EEXIST;
-	  return __file_chauthor (port, st.st_uid);
-	}
-      case sizeof (uid_t):	/* Set the author.  */
-	{
-	  uid_t id;
-	  memcpy (&id, value, sizeof id);
-	  if (flags & (XATTR_CREATE|XATTR_REPLACE))
-	    {
-	      struct stat64 st;
-	      error_t err = __io_stat (port, &st);
-	      if (err)
-		return err;
-	      if (st.st_author == st.st_uid)
-		{
-		  if (flags & XATTR_REPLACE)
-		    return ENODATA;
-		}
-	      else if (flags & XATTR_CREATE)
-		return EEXIST;
-	      if (st.st_author == id)
-		/* Nothing to do.  */
-		return 0;
-	    }
-	  return __file_chauthor (port, id);
-	}
-      }
-
-  if (!strcmp (name, "translator"))
-    {
-      if (flags & XATTR_REPLACE)
-	{
-	  /* Must make sure it's already there.  */
-	  char *buf = NULL;
-	  size_t bufsz = 0;
-	  error_t err = __file_get_translator (port, &buf, &bufsz);
-	  if (err)
-	    return err;
-	  if (bufsz > 0)
-	    {
-	      munmap (buf, bufsz);
-	      return ENODATA;
-	    }
-	}
-      return __file_set_translator (port,
-				    FS_TRANS_SET | ((flags & XATTR_CREATE)
-						    ? FS_TRANS_EXCL : 0), 0, 0,
-				    value, size,
-				    MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
-    }
-
-  return EOPNOTSUPP;
-}
-
-error_t
-_hurd_xattr_remove (io_t port, const char *name)
-{
-  return _hurd_xattr_set (port, name, NULL, 0, XATTR_REPLACE);
-}
-
-error_t
-_hurd_xattr_list (io_t port, void *buffer, size_t *size)
-{
-  size_t total = 0;
-  char *bufp = buffer;
-  inline void add (const char *name, size_t len)
-    {
-      total += len;
-      if (bufp != NULL && total <= *size)
-	bufp = __mempcpy (bufp, name, len);
-    }
-#define add(s) add (s, sizeof s)
-
-  struct stat64 st;
-  error_t err = __io_stat (port, &st);
-  if (err)
-    return err;
-
-  if (st.st_author != st.st_uid)
-    add ("gnu.author");
-  if (st.st_mode & S_IPTRANS)
-    add ("gnu.translator");
-
-  if (buffer != NULL && total > *size)
-    return ERANGE;
-  *size = total;
-  return 0;
-}