Split up chmod_chown_chgrp.c into 3 separate apps. This unfortunately

adds 384 bytes to the overall size.  But having each app be standalone
is the Right Thing(tm) so we will just have to live with it.
 -Erik
This commit is contained in:
Eric Andersen 2001-04-24 18:07:19 +00:00
parent 3a4aef5a4c
commit 9f0fedb8f6
14 changed files with 605 additions and 184 deletions

View File

@ -11,7 +11,9 @@
//#define BB_AR
#define BB_BASENAME
#define BB_CAT
#define BB_CHMOD_CHOWN_CHGRP
#define BB_CHGRP
#define BB_CHMOD
#define BB_CHOWN
#define BB_CHROOT
#define BB_CHVT
#define BB_CLEAR

View File

@ -14,7 +14,9 @@
#define BB_AR
#define BB_BASENAME
#define BB_CAT
#define BB_CHMOD_CHOWN_CHGRP
#define BB_CHGRP
#define BB_CHMOD
#define BB_CHOWN
#define BB_CHROOT
//#define BB_CHVT /* not needed */
#define BB_CLEAR

View File

@ -59,14 +59,14 @@
#ifdef BB_CAT
APPLET(cat, cat_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chgrp, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHGRP
APPLET(chgrp, chgrp_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chmod, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHMOD
APPLET(chmod, chmod_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chown, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHOWN
APPLET(chown, chown_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHROOT
APPLET(chroot, chroot_main, _BB_DIR_USR_SBIN)

94
chgrp.c Normal file
View File

@ -0,0 +1,94 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_invalid_option
#define bb_need_too_few_args
#include "messages.c"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long gid = -1;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (lchown(fileName, statbuf->st_uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
perror(fileName);
return (FALSE);
}
int chgrp_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
char *p=NULL;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* Find the selected group */
gid = strtoul(argv[optind], &p, 10); /* maybe it's already numeric */
if (argv[optind] == p)
gid = my_getgrnam(argv[optind]);
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

87
chmod.c Normal file
View File

@ -0,0 +1,87 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
struct stat *theMode;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (chmod(fileName, theMode->st_mode) == 0)
return (TRUE);
perror(fileName);
return (FALSE);
}
int chmod_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* Parse the specified mode */
if (parse_mode(argv[optind], &(theMode->st_mode)) == FALSE) {
error_msg_and_die( "unknown mode: %s", argv[optind]);
}
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

View File

@ -1,167 +0,0 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_invalid_option
#define bb_need_too_few_args
#include "messages.c"
static long uid = -1;
static long gid = -1;
static int whichApp;
static char *theMode = NULL;
#define CHGRP_APP 1
#define CHOWN_APP 2
#define CHMOD_APP 3
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
switch (whichApp) {
case CHGRP_APP:
case CHOWN_APP:
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
if (lchown
(fileName, (whichApp == CHOWN_APP) ? uid : statbuf->st_uid,
(gid == -1) ? statbuf->st_gid : gid) == 0)
#else
if (chown
(fileName, (whichApp == CHOWN_APP) ? uid : statbuf->st_uid,
(gid == -1) ? statbuf->st_gid : gid) == 0)
#endif
{
return (TRUE);
}
break;
case CHMOD_APP:
/* Parse the specified modes */
if (parse_mode(theMode, &(statbuf->st_mode)) == FALSE) {
error_msg_and_die( "unknown mode: %s", theMode);
}
if (chmod(fileName, statbuf->st_mode) == 0)
return (TRUE);
break;
}
perror(fileName);
return (FALSE);
}
int chmod_chown_chgrp_main(int argc, char **argv)
{
int stopIt = FALSE;
int recursiveFlag = FALSE;
char *groupName=NULL;
char *p=NULL;
whichApp = (applet_name[2]=='o')? /* chown */
CHOWN_APP : (applet_name[2]=='m')? /* chmod */
CHMOD_APP : CHGRP_APP;
if (argc < 2)
show_usage();
argv++;
/* Parse options */
while (--argc >= 0 && *argv && (**argv == '-')) {
while (stopIt==FALSE && *++(*argv)) {
switch (**argv) {
case 'R':
recursiveFlag = TRUE;
break;
default:
theMode=*argv-1;
stopIt = TRUE;
}
}
if (stopIt==TRUE)
break;
argv++;
}
if (argc == 0 || *argv == NULL) {
error_msg(too_few_args);
}
if (whichApp == CHMOD_APP) {
if (theMode==NULL)
theMode = *argv;
} else {
/* Find the selected group */
if (whichApp == CHGRP_APP) {
groupName = *argv;
gid = strtoul(groupName, &p, 10); /* maybe it's already numeric */
if (groupName == p)
gid = my_getgrnam(groupName);
} else {
groupName = strchr(*argv, '.');
if (groupName == NULL)
groupName = strchr(*argv, ':');
if (groupName) {
*groupName++ = '\0';
gid = strtoul(groupName, &p, 10);
if (groupName == p)
gid = my_getgrnam(groupName);
} else
gid = -1;
}
/* Find the selected user (if appropriate) */
if (whichApp == CHOWN_APP) {
uid = strtoul(*argv, &p, 10); /* if numeric ... */
if (*argv == p)
uid = my_getpwnam(*argv);
}
}
/* Ok, ready to do the deed now */
if (argc < 1) {
error_msg_and_die(too_few_args);
}
while (argc-- > 1) {
if (recursive_action (*(++argv), recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE)
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

108
chown.c Normal file
View File

@ -0,0 +1,108 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long uid = -1;
static long gid = -1;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (lchown(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
perror(fileName);
return (FALSE);
}
int chown_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
char *groupName=NULL;
char *p=NULL;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* First, check if there is a group name here */
groupName = strchr(argv[optind], '.');
if (groupName == NULL)
groupName = strchr(argv[optind], ':');
if (groupName) {
*groupName++ = '\0';
gid = strtoul(groupName, &p, 10);
if (groupName == p)
gid = my_getgrnam(groupName);
} else {
gid = -1;
}
/* Now check for the username */
uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
if (argv[optind] == p) {
uid = my_getpwnam(argv[optind]);
}
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

94
coreutils/chgrp.c Normal file
View File

@ -0,0 +1,94 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_invalid_option
#define bb_need_too_few_args
#include "messages.c"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long gid = -1;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (lchown(fileName, statbuf->st_uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
perror(fileName);
return (FALSE);
}
int chgrp_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
char *p=NULL;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* Find the selected group */
gid = strtoul(argv[optind], &p, 10); /* maybe it's already numeric */
if (argv[optind] == p)
gid = my_getgrnam(argv[optind]);
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

87
coreutils/chmod.c Normal file
View File

@ -0,0 +1,87 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
struct stat *theMode;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (chmod(fileName, theMode->st_mode) == 0)
return (TRUE);
perror(fileName);
return (FALSE);
}
int chmod_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* Parse the specified mode */
if (parse_mode(argv[optind], &(theMode->st_mode)) == FALSE) {
error_msg_and_die( "unknown mode: %s", argv[optind]);
}
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

108
coreutils/chown.c Normal file
View File

@ -0,0 +1,108 @@
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long uid = -1;
static long gid = -1;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (lchown(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
perror(fileName);
return (FALSE);
}
int chown_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE;
char *groupName=NULL;
char *p=NULL;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "R")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
default:
show_usage();
}
}
if (argc > optind && argc > 2 && argv[optind]) {
/* First, check if there is a group name here */
groupName = strchr(argv[optind], '.');
if (groupName == NULL)
groupName = strchr(argv[optind], ':');
if (groupName) {
*groupName++ = '\0';
gid = strtoul(groupName, &p, 10);
if (groupName == p)
gid = my_getgrnam(groupName);
} else {
gid = -1;
}
/* Now check for the username */
uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
if (argv[optind] == p) {
uid = my_getpwnam(argv[optind]);
}
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (optind++ < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

4
debian/Config.h-deb vendored
View File

@ -10,7 +10,9 @@
#define BB_AR
#define BB_BASENAME
#define BB_CAT
#define BB_CHMOD_CHOWN_CHGRP
#define BB_CHGRP
#define BB_CHMOD
#define BB_CHOWN
#define BB_CHROOT
#define BB_CHVT
#define BB_CLEAR

View File

@ -10,7 +10,9 @@
#define BB_AR
#define BB_BASENAME
#define BB_CAT
#define BB_CHMOD_CHOWN_CHGRP
#define BB_CHGRP
#define BB_CHMOD
#define BB_CHOWN
#define BB_CHROOT
#define BB_CHVT
#define BB_CLEAR

View File

@ -10,7 +10,9 @@
//#define BB_AR
#define BB_BASENAME
#define BB_CAT
#define BB_CHMOD_CHOWN_CHGRP
#define BB_CHGRP
#define BB_CHMOD
#define BB_CHOWN
#define BB_CHROOT
#define BB_CHVT
#define BB_CLEAR

View File

@ -59,14 +59,14 @@
#ifdef BB_CAT
APPLET(cat, cat_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chgrp, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHGRP
APPLET(chgrp, chgrp_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chmod, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHMOD
APPLET(chmod, chmod_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP
APPLET(chown, chmod_chown_chgrp_main, _BB_DIR_BIN)
#ifdef BB_CHOWN
APPLET(chown, chown_main, _BB_DIR_BIN)
#endif
#ifdef BB_CHROOT
APPLET(chroot, chroot_main, _BB_DIR_USR_SBIN)