Bash-4.3 distribution sources and documentation

[platform/upstream/bash.git] / lib / readline / posixdir.h

diff --git a/lib/readline/posixdir.h b/lib/readline/posixdir.h
index 8b0e5bc..0921c5d 100644 (file)
--- a/lib/readline/posixdir.h
+++ b/lib/readline/posixdir.h
@@ -1,22 +1,22 @@
 /* posixdir.h -- Posix directory reading includes and defines. */
 
-/* Copyright (C) 1987,1991 Free Software Foundation, Inc.
+/* Copyright (C) 1987,1991,2012 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
-   Bash is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 1, or (at your option)
-   any later version.
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bash 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 General Public
-   License for more details.
+   Bash 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with Bash; see the file COPYING.  If not, write to the Free
-   Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 /* This file should be included instead of <dirent.h> or <sys/dir.h>. */
 
@@ -25,7 +25,11 @@
 
 #if defined (HAVE_DIRENT_H)
 #  include <dirent.h>
-#  define D_NAMLEN(d)   (strlen ((d)->d_name))
+#  if defined (HAVE_STRUCT_DIRENT_D_NAMLEN)
+#    define D_NAMLEN(d)        ((d)->d_namlen)
+#  else
+#    define D_NAMLEN(d)   (strlen ((d)->d_name))
+#  endif /* !HAVE_STRUCT_DIRENT_D_NAMLEN */
 #else
 #  if defined (HAVE_SYS_NDIR_H)
 #    include <sys/ndir.h>
@@ -42,8 +46,26 @@
 #  define D_NAMLEN(d)   ((d)->d_namlen)
 #endif /* !HAVE_DIRENT_H */
 
-#if defined (STRUCT_DIRENT_HAS_D_INO)
+/* The bash code fairly consistenly uses d_fileno; make sure it's available */
+#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (HAVE_STRUCT_DIRENT_D_FILENO)
 #  define d_fileno d_ino
 #endif
 
+/* Posix does not require that the d_ino field be present, and some
+   systems do not provide it. */
+#if !defined (HAVE_STRUCT_DIRENT_D_INO) || defined (BROKEN_DIRENT_D_INO)
+#  define REAL_DIR_ENTRY(dp) 1
+#else
+#  define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
+#endif /* _POSIX_SOURCE */
+
+#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (BROKEN_DIRENT_D_INO)
+#  define D_INO_AVAILABLE
+#endif
+
+/* Signal the rest of the code that it can safely use dirent.d_fileno */
+#if defined (D_INO_AVAILABLE) || defined (HAVE_STRUCT_DIRENT_D_FILENO)
+#  define D_FILENO_AVAILABLE 1
+#endif
+
 #endif /* !_POSIXDIR_H_ */