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authorRoland McGrath <roland@gnu.org>2002-06-11 23:04:51 +0000
committerRoland McGrath <roland@gnu.org>2002-06-11 23:04:51 +0000
commit337738b77123cbfed07d53c9408eb74109856d0a (patch)
treeb5eba5547489c0efef99967e7f427f4ae4b4e727 /sysdeps/mach/hurd/readdir64.c
parent522c33f6bb802f6bf7840c78a5805b6929fd3ccd (diff)
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* 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>
Diffstat (limited to 'sysdeps/mach/hurd/readdir64.c')
-rw-r--r--sysdeps/mach/hurd/readdir64.c85
1 files changed, 73 insertions, 12 deletions
diff --git a/sysdeps/mach/hurd/readdir64.c b/sysdeps/mach/hurd/readdir64.c
index 2d03ec381b..1953e81b31 100644
--- a/sysdeps/mach/hurd/readdir64.c
+++ b/sysdeps/mach/hurd/readdir64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001,02 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
@@ -17,25 +17,86 @@
    02111-1307 USA.  */
 
 #include <dirent.h>
-#include <limits.h>
 #include <stddef.h>
-#include <string.h>
+#include <hurd.h>
+#include <hurd/fs.h>
+#include <hurd/fd.h>
+#include "dirstream.h"
 
 /* Read a directory entry from DIRP.  */
 struct dirent64 *
 __readdir64 (DIR *dirp)
 {
-  struct dirent64 *result;
-  static union
-  {
-    struct dirent64 d;
-    char b[offsetof (struct dirent64, d_name) + UCHAR_MAX + 1];
-  } u;
-  int err;
+  struct dirent64 *dp;
 
-  err = __readdir64_r (dirp, &u.d, &result);
+  if (dirp == NULL)
+    {
+      errno = EINVAL;
+      return NULL;
+    }
 
-  return err ? NULL : result;
+  __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 dirent64 *) 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;
 }
 
 weak_alias (__readdir64, readdir64)