* sysdeps/mach/hurd/xstat64.c: Conditionalize entire contents of the

	file on [!RTLD_STAT64].
	* sysdeps/mach/hurd/fxstat64.c: Likewise.

	* sysdeps/mach/hurd/tmpfile.c (tmpfile64): Define as alias of tmpfile.
	(__fdopen): Use INTUSE.
	* sysdeps/mach/hurd/tmpfile64.c: New file, empty placeholder.

	* stdio-common/tmpfile64.c: File removed.
	* sysdeps/generic/tmpfile64.c: New file.
	* sysdeps/generic/tmpfile.c (GEN_THIS): New macro, define to __GT_FILE
	if not already defined.
	(tmpfile): Use it in place of __GT_FILE.

	* include/unistd.h: Declare __chown_internal.

	* sysdeps/mach/hurd/sendfile64.c (sendfile64): Do real work here.
	* sysdeps/mach/hurd/sendfile.c (sendfile): Call that.

2002-06-09  Roland McGrath  <roland@frob.com>

	Update to new Hurd RPC interfaces supporting 64-bit file sizes.
	* sysdeps/mach/hurd/configure.in: Check for <hurd/version.h> with
	value of HURD_INTERFACE_VERSION >= 20020609.
	* sysdeps/mach/hurd/configure: Regenerated.
	* shlib-versions (.*-.*-gnu-gnu.*): Set libhurduser=0.3.
	* sysdeps/mach/hurd/xstatconv.c (xstat64_conv): Rewritten to
	convert a struct stat64 into a struct stat and return 0 or -1
	with errno set to EOVERFLOW.
	* sysdeps/mach/hurd/statfsconv.c (statfs64_conv): Likewise
	for struct statfs64 to struct statfs.
	* sysdeps/mach/hurd/xstat.c (__xstat): Use converter and call ...
	* sysdeps/mach/hurd/xstat64.c (__xstat64): ... this, real work here.
	* sysdeps/mach/hurd/fxstat.c (__fxstat): Likewise.
	* sysdeps/mach/hurd/fxstat64.c (__fxstat64): Likewise.
	* sysdeps/mach/hurd/lxstat.c (__lxstat): Likewise.
	* sysdeps/mach/hurd/lxstat64.c (__lxstat64): Likewise.
	* sysdeps/mach/hurd/statfs.c (__statfs): Likewise.
	* sysdeps/mach/hurd/statfs64.c (__statfs64): Likewise.
	* sysdeps/mach/hurd/fstatfs.c (__fstatfs): Likewise.
	* sysdeps/mach/hurd/fstatfs64.c (__fstatfs64): Likewise.
	* sysdeps/mach/hurd/pwrite64.c (__libc_pwrite64): Do real work here.
	* sysdeps/mach/hurd/pwrite.c (__libc_pwrite): Call that.
	* sysdeps/mach/hurd/pread64.c (__libc_pread64): Do real work here.
	* sysdeps/mach/hurd/pread.c (__libc_pread): Call that.
	* sysdeps/mach/hurd/lseek64.c (__libc_lseek64): Do real work here.
	* sysdeps/mach/hurd/lseek.c (__libc_lseek): Call that.
	* sysdeps/mach/hurd/readdir64.c (__readdir64): Do real work here.
	* sysdeps/mach/hurd/readdir.c (__readdir): Call that.
	* sysdeps/mach/hurd/readdir64_r.c (__readdir64_r): Do real work here.
	* sysdeps/mach/hurd/readdir_r.c (__readdir64_r): Call that.
	* hurd/lookup-retry.c (__hurd_file_name_lookup_retry):
	Use struct stat64 for io_stat argument.
	* sysdeps/mach/hurd/readlink.c (__readlink): Likewise.
	* hurd/fopenport.c (seekio): Remove EOVERFLOW check, pass POS directly
	to io_seek.
	* hurd/fd-read.c (_hurd_fd_read): Use loff_t for OFFSET argument.
	* hurd/fd-write.c (_hurd_fd_write): Likewise.
	* hurd/hurd/fd.h: Update decls.
	* sysdeps/mach/hurd/getcwd.c
	(_hurd_canonicalize_directory_name_internal): Use ino64_t
	and struct dirent64.
	* sysdeps/mach/hurd/dl-sysdep.c (open_file): Use struct stat64.
	(__xstat): Renamed to __xstat64, use struct stat64 for argument.
	(__fxstat): Renamed to __fxstat64, use struct stat64 for argument.
	(__lseek): Renamed to __libc_lseek64, use off64_t for argument.

2002-06-08  Roland McGrath  <roland@frob.com>

	* sysdeps/mach/hurd/dirstream.h (struct __dirstream): Use size_t
	instead of unsigned long int for __allocation and __size members.

2002-05-19  Ulrich Drepper  <drepper@redhat.com>

1 files changed, 36 insertions, 75 deletions

diff --git a/sysdeps/mach/hurd/readdir.c b/sysdeps/mach/hurd/readdir.c
index 6e986f3ebb..4bf19564d7 100644
--- a/sysdeps/mach/hurd/readdir.c
+++ b/sysdeps/mach/hurd/readdir.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1993,94,95,96,97,2002 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
@@ -17,90 +17,51 @@
    02111-1307 USA.  */
 
 #include <errno.h>
-#include <limits.h>
 #include <stddef.h>
-#include <string.h>
 #include <dirent.h>
 #include <unistd.h>
-#include <sys/types.h>
-#include <hurd.h>
-#include <hurd/fd.h>
-#include "dirstream.h"
-
+#include <endian.h>
+#include <assert.h>
 
 /* Read a directory entry from DIRP.  */
 struct dirent *
 __readdir (DIR *dirp)
 {
-  struct dirent *dp;
-
-  if (dirp == NULL)
+  struct dirent64 *entry64 = __readdir64 (dirp);
+
+  if (sizeof (struct dirent64) == sizeof (struct dirent))
+    /* We should in fact just be an alias to readdir64 on this machine.  */
+    return (struct dirent *) entry64;
+
+  /* These are all compile-time constants.  We know that d_ino is the first
+     member and that the layout of the following members matches exactly in
+     both structures.  */
+  assert (offsetof (struct dirent, d_ino) == 0);
+  assert (offsetof (struct dirent64, d_ino) == 0);
+# define MATCH(memb)							      \
+  assert (offsetof (struct dirent64, memb) - sizeof (entry64->d_ino)	      \
+	  == offsetof (struct dirent, memb) - sizeof (ino_t))
+  MATCH (d_reclen);
+  MATCH (d_type);
+  MATCH (d_namlen);
+# undef MATCH
+
+  if (entry64 == NULL)
+    return NULL;
+
+  struct dirent *const entry = ((void *) (&entry64->d_ino + 1)
+				- sizeof entry->d_ino);
+  const ino_t d_ino = entry64->d_ino;
+  if (d_ino != entry64->d_ino)
     {
-      errno = EINVAL;
+      __set_errno (EOVERFLOW);
       return NULL;
     }
-
-  __libc_lock_lock (dirp->__lock);
-
-  do
-    {
-      if (dirp->__ptr - dirp->__data >= dirp->__size)
-	{
-	  /* We've emptied out our buffer.  Refill it.  */
-
-	  char *data = dirp->__data;
-	  int nentries;
-	  error_t err;
-
-	  if (err = HURD_FD_PORT_USE (dirp->__fd,
-				      __dir_readdir (port,
-						     &data, &dirp->__size,
-						     dirp->__entry_ptr,
-						     -1, 0, &nentries)))
-	    {
-	      __hurd_fail (err);
-	      dp = NULL;
-	      break;
-	    }
-
-	  /* DATA now corresponds to entry index DIRP->__entry_ptr.  */
-	  dirp->__entry_data = dirp->__entry_ptr;
-
-	  if (data != dirp->__data)
-	    {
-	      /* The data was passed out of line, so our old buffer is no
-		 longer useful.  Deallocate the old buffer and reset our
-		 information for the new buffer.  */
-	      __vm_deallocate (__mach_task_self (),
-			       (vm_address_t) dirp->__data,
-			       dirp->__allocation);
-	      dirp->__data = data;
-	      dirp->__allocation = round_page (dirp->__size);
-	    }
-
-	  /* Reset the pointer into the buffer.  */
-	  dirp->__ptr = dirp->__data;
-
-	  if (nentries == 0)
-	    {
-	      /* End of file.  */
-	      dp = NULL;
-	      break;
-	    }
-
-	  /* We trust the filesystem to return correct data and so we
-	     ignore NENTRIES.  */
-	}
-
-      dp = (struct dirent *) dirp->__ptr;
-      dirp->__ptr += dp->d_reclen;
-      ++dirp->__entry_ptr;
-
-      /* Loop to ignore deleted files.  */
-    } while (dp->d_fileno == 0);
-
-  __libc_lock_unlock (dirp->__lock);
-
-  return dp;
+# if BYTE_ORDER != BIG_ENDIAN	/* We just skipped over the zero high word.  */
+  entry->d_ino = d_ino;	/* ... or the nonzero low word, swap it.  */
+# endif
+  entry->d_reclen -= sizeof entry64->d_ino - sizeof entry->d_ino;
+  return entry;
 }
+
 weak_alias (__readdir, readdir)