Imported Upstream version 1.21

[tar] / lib / dirent.in.h

diff --git a/lib/dirent.in.h b/lib/dirent.in.h
index db3de951137757591eccfe44e6c74204628c82e3..2b1d0a52a21c37b14f9ddea1c3b4e89a838d50e8 100644 (file)
--- a/lib/dirent.in.h
+++ b/lib/dirent.in.h
@@ -1,5 +1,5 @@
-/* Wrapper around <dirent.h>.
-   Copyright (C) 2006-2007 Free Software Foundation, Inc.
+/* A GNU-like <dirent.h>.
+   Copyright (C) 2006-2008 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -16,19 +16,25 @@
 
 #ifndef _GL_DIRENT_H
 
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
 /* The include_next requires a split double-inclusion guard.  */
 #@INCLUDE_NEXT@ @NEXT_DIRENT_H@
 
 #ifndef _GL_DIRENT_H
 #define _GL_DIRENT_H
 
+/* The definition of GL_LINK_WARNING is copied here.  */
 
-/* Declare overridden functions.  */
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/* Declare overridden functions.  */
+
 #if @REPLACE_FCHDIR@
 # define opendir rpl_opendir
 extern DIR * opendir (const char *);
@@ -36,6 +42,22 @@ extern DIR * opendir (const char *);
 extern int closedir (DIR *);
 #endif
 
+/* Declare GNU extensions.  */
+
+#if @GNULIB_DIRFD@
+# if !@HAVE_DECL_DIRFD@ && !defined dirfd
+/* Return the file descriptor associated with the given directory stream,
+   or -1 if none exists.  */
+extern int dirfd (DIR const *dir);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef dirfd
+# define dirfd(d) \
+    (GL_LINK_WARNING ("dirfd is unportable - " \
+                      "use gnulib module dirfd for portability"), \
+     dirfd (d))
+#endif
+
 #ifdef __cplusplus
 }
 #endif