X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxreadlink.h;h=6d93fe6c3b71299261851f1f58f2f599c33a265e;hb=a9e638f0e4d6928c12f2b374bc369bb1ecf2cdfe;hp=5b2604bfea0483426ca870ddc1aeda3ee4f3371e;hpb=c4da5fc90ff7ff8ef395c84be4b14e0a3d404cbb;p=gnulib.git

diff --git a/lib/xreadlink.h b/lib/xreadlink.h
index 5b2604bfe..6d93fe6c3 100644
--- a/lib/xreadlink.h
+++ b/lib/xreadlink.h
@@ -1,6 +1,6 @@
-/* readlink wrapper to return the link name in malloc'd storage
+/* Reading symbolic links without size limitation.
 
-   Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+   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
@@ -15,9 +15,20 @@
    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,
-   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* Written by Jim Meyering <jim@meyering.net>  */
 
 #include <stddef.h>
-char *xreadlink (char const *, size_t);
+
+/* 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);