X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxreadlink.h;h=6d93fe6c3b71299261851f1f58f2f599c33a265e;hb=a9e638f0e4d6928c12f2b374bc369bb1ecf2cdfe;hp=e506a2555587ba26068c1753bcbe694ddeefb28d;hpb=be403985caf1a7f2de6382478d6959302445af65;p=gnulib.git diff --git a/lib/xreadlink.h b/lib/xreadlink.h index e506a2555..6d93fe6c3 100644 --- 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 */ + +#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);