Support for bitwise comparison of floating-point numbers.

[gnulib.git] / lib / xreadlink.h

diff --git a/lib/xreadlink.h b/lib/xreadlink.h
index e506a25..6d93fe6 100644 (file)
--- a/lib/xreadlink.h
+++ b/lib/xreadlink.h
@@ -1,9 +1,34 @@
-#ifndef PARAMS
-# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#  define PARAMS(Args) Args
-# else
-#  define PARAMS(Args) ()
-# endif
-#endif
-
-char *xreadlink PARAMS ((char const *));
+/* Reading symbolic links without size limitation.
+
+   Copyright (C) 2001, 2003, 2004, 2007 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
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 this program; see the file COPYING.
+   If not, write to the Free Software Foundation,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Jim Meyering <jim@meyering.net>  */
+
+#include <stddef.h>
+
+/* Call readlink to get the symbolic link value of FILENAME.
+   Return a pointer to that NUL-terminated string in malloc'd storage.
+   If readlink fails, return NULL and set errno.  */
+extern char *xreadlink (char const *filename);
+
+/* Call readlink to get the symbolic link value of FILENAME.
+   SIZE_HINT is a hint as to how long the link is expected to be;
+   typically it is taken from st_size.  It need not be correct.
+   Return a pointer to that NUL-terminated string in malloc'd storage.
+   If readlink fails, return NULL and set errno.  */
+extern char *xreadlink_with_size (char const *filename, size_t size_hint);