re PR libgcj/24170 (libjava natFilePosix.cc seems to have a security problem)

	PR libgcj/24170:
	* java/io/natFilePosix.cc (File::performList): Don't use
	readdir_r.
	* configure, include/config.h.in: Rebuilt.
	* configure.ac: Don't check for readdir_r.

From-SVN: r132491

libjava/ChangeLog

+2008-02-20  Tom Tromey  <tromey@redhat.com>
+
+	PR libgcj/24170:
+	* java/io/natFilePosix.cc (File::performList): Don't use
+	readdir_r.
+	* configure, include/config.h.in: Rebuilt.
+	* configure.ac: Don't check for readdir_r.
+
 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	PR libgcj/33085

libjava/configure

@@ -20793,9 +20793,8 @@ else
 
 
 
-
 for ac_func in strerror_r select fstat open fsync sleep opendir \
-                   localtime_r readdir_r getpwuid_r getcwd \
+                   localtime_r getpwuid_r getcwd \
 		   access stat lstat mkdir rename rmdir unlink utime chmod readlink \
 		   nl_langinfo setlocale \
 		   inet_pton uname inet_ntoa \

libjava/configure.ac

@@ -1023,7 +1023,7 @@ if test "x${with_newlib}" = "xyes"; then
    PLATFORMNET=NoNet
 else
    AC_CHECK_FUNCS([strerror_r select fstat open fsync sleep opendir \
-                   localtime_r readdir_r getpwuid_r getcwd \
+                   localtime_r getpwuid_r getcwd \
 		   access stat lstat mkdir rename rmdir unlink utime chmod readlink \
 		   nl_langinfo setlocale \
 		   inet_pton uname inet_ntoa \

libjava/include/config.h.in

@@ -214,9 +214,6 @@
 /* Define to 1 if you have the <pwd.h> header file. */
 #undef HAVE_PWD_H
 
-/* Define to 1 if you have the `readdir_r' function. */
-#undef HAVE_READDIR_R
-
 /* Define to 1 if you have the `readlink' function. */
 #undef HAVE_READLINK
 

libjava/java/io/natFilePosix.cc

 // natFile.cc - Native part of File class for POSIX.
 
-/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2006
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2008
    Free Software Foundation
 
    This file is part of libgcj.
@@ -292,13 +292,7 @@ java::io::File::performList (java::io::FilenameFilter *filter,
 
   java::util::ArrayList *list = new java::util::ArrayList ();
   struct dirent *d;
-#if defined(HAVE_READDIR_R) && defined(_POSIX_PTHREAD_SEMANTICS)
-  int name_max = pathconf (buf, _PC_NAME_MAX);
-  char dbuf[sizeof (struct dirent) + name_max + 1];
-  while (readdir_r (dir, (struct dirent *) dbuf, &d) == 0 && d != NULL)
-#else /* HAVE_READDIR_R */
   while ((d = readdir (dir)) != NULL)
-#endif /* HAVE_READDIR_R */
     {
       // Omit "." and "..".
       if (d->d_name[0] == '.'