Merge branch 'tz/fsf-address-update' into maint
Replace the mailing address of FSF to a URL, as FSF prefers. * tz/fsf-address-update: Replace Free Software Foundation address in license notices Replace Free Software Foundation address in license notices
This commit is contained in:
commit
b2a276830f
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||||
Boston, MA 02110-1301, USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include "git-compat-util.h"
|
||||
#include <gettext.h>
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||||
Boston, MA 02110-1301, USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
/* Summary:
|
||||
|
||||
|
@ -16,8 +16,7 @@
|
||||
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. */
|
||||
with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
/* Tell gcc not to warn about the (nfd < 0) tests, below. */
|
||||
#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
|
||||
|
@ -16,8 +16,7 @@
|
||||
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. */
|
||||
with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _GL_POLL_H
|
||||
#define _GL_POLL_H
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
|
||||
size_t length, reg_syntax_t syntax);
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
|
@ -18,9 +18,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _REGEX_H
|
||||
#define _REGEX_H 1
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
static void re_string_construct_common (const char *str, int len,
|
||||
re_string_t *pstr,
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _REGEX_INTERNAL_H
|
||||
#define _REGEX_INTERNAL_H 1
|
||||
|
@ -14,9 +14,8 @@
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA. */
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
static reg_errcode_t match_ctx_init (re_match_context_t *cache, int eflags,
|
||||
int n) internal_function;
|
||||
|
@ -111,8 +111,7 @@ __git ()
|
||||
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
# along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# The latest version of this software can be obtained here:
|
||||
#
|
||||
|
@ -13,8 +13,7 @@
|
||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/*
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/*
|
||||
|
@ -25,9 +25,8 @@
|
||||
;; 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., 59 Temple Place, Suite 330, Boston,
|
||||
;; MA 02111-1307 USA
|
||||
;; License along with this program; if not, see
|
||||
;; <http://www.gnu.org/licenses/>.
|
||||
|
||||
;; http://www.fsf.org/copyleft/gpl.html
|
||||
|
||||
|
@ -15,9 +15,8 @@
|
||||
;; 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., 59 Temple Place, Suite 330, Boston,
|
||||
;; MA 02111-1307 USA
|
||||
;; License along with this program; if not, see
|
||||
;; <http://www.gnu.org/licenses/>.
|
||||
|
||||
;;; Commentary:
|
||||
|
||||
|
@ -14,8 +14,7 @@
|
||||
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
# along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# ------------------------------------------------------------------------
|
||||
|
||||
|
@ -15,8 +15,7 @@
|
||||
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
"""
|
||||
|
||||
import os, os.path, sys
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include "cache.h"
|
||||
#include "ewok.h"
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include "git-compat-util.h"
|
||||
#include "ewok.h"
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include "git-compat-util.h"
|
||||
#include "ewok.h"
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include "git-compat-util.h"
|
||||
#include "ewok.h"
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#ifndef __EWOK_BITMAP_H__
|
||||
#define __EWOK_BITMAP_H__
|
||||
|
@ -14,8 +14,7 @@
|
||||
* 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.
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#ifndef __EWOK_RLW_H__
|
||||
#define __EWOK_RLW_H__
|
||||
|
@ -24,8 +24,7 @@ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA}]
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>.}]
|
||||
|
||||
######################################################################
|
||||
##
|
||||
|
@ -18,8 +18,7 @@
|
||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "cache.h"
|
||||
|
4
kwset.c
4
kwset.c
@ -18,9 +18,7 @@
|
||||
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. */
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
/* Written August 1989 by Mike Haertel.
|
||||
The author may be reached (Email) at the address mike@ai.mit.edu,
|
||||
|
4
kwset.h
4
kwset.h
@ -17,9 +17,7 @@
|
||||
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. */
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
/* Written August 1989 by Mike Haertel.
|
||||
The author may be reached (Email) at the address mike@ai.mit.edu,
|
||||
|
@ -30,8 +30,7 @@
|
||||
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. */
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
/* closeout.c - close standard output and standard error
|
||||
Copyright (C) 1998-2007 Free Software Foundation, Inc.
|
||||
@ -47,8 +46,7 @@
|
||||
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. */
|
||||
along with this program; if not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
|
@ -27,9 +27,7 @@ cat << EOF
|
||||
# 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., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
# along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
EOF
|
||||
}
|
||||
|
3
trace.c
3
trace.c
@ -18,8 +18,7 @@
|
||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "cache.h"
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
@ -13,8 +13,8 @@
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
* License along with this library; if not, see
|
||||
* <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Davide Libenzi <davidel@xmailserver.org>
|
||||
*
|
||||
|
Loading…
Reference in New Issue
Block a user