From 3f1932e927ae070261a8d428d5c5f158c2f525ba Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Sat, 21 Jul 2012 17:12:39 +0100 Subject: downgrade to 2.8 (GPLv2) Signed-off-by: Anas Nashif --- lib/lchown.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 lib/lchown.c (limited to 'lib/lchown.c') diff --git a/lib/lchown.c b/lib/lchown.c new file mode 100644 index 0000000..fa0826e --- /dev/null +++ b/lib/lchown.c @@ -0,0 +1,47 @@ +/* Provide a stub lchown function for systems that lack it. + + Copyright (C) 1998, 1999, 2002, 2004, 2006 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; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* written by Jim Meyering */ + +#include + +#include "lchown.h" + +#include + +/* Work just like chown, except when FILE is a symbolic link. + In that case, set errno to EOPNOTSUPP and return -1. + But if autoconf tests determined that chown modifies + symlinks, then just call chown. */ + +int +lchown (const char *file, uid_t uid, gid_t gid) +{ +#if ! CHOWN_MODIFIES_SYMLINK + struct stat stats; + + if (lstat (file, &stats) == 0 && S_ISLNK (stats.st_mode)) + { + errno = EOPNOTSUPP; + return -1; + } +#endif + + return chown (file, uid, gid); +} -- cgit v1.2.3