root/lib/xreadlink.h

INCLUDED FROM

/* 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);