X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fxreadlink.h;h=6d93fe6c3b71299261851f1f58f2f599c33a265e;hb=a9e638f0e4d6928c12f2b374bc369bb1ecf2cdfe;hp=d9441215f3350b3145d419c377d6bef4039eef5c;hpb=68af56be3e061b97cf97150094bc50b0aa364cbb;p=gnulib.git diff --git a/lib/xreadlink.h b/lib/xreadlink.h index d9441215f..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 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 @@ -15,8 +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 */ -char *xreadlink (char const *); +#include + +/* 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);