X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fxreadlink.h;h=6d93fe6c3b71299261851f1f58f2f599c33a265e;hb=a9e638f0e4d6928c12f2b374bc369bb1ecf2cdfe;hp=9fcf836aefb774e2e3db01bb582f6a6396128fe0;hpb=267a39bafd249d7eb9c37df06dc6defcf41cb343;p=gnulib.git

diff --git a/lib/xreadlink.h b/lib/xreadlink.h
index 9fcf836ae..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
@@ -20,4 +20,15 @@
 /* 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);