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Woops, the previous commit was an accident, its supplied in the patch,
dont commit yet as we are in feature freeze
This commit is contained in:
Glenn L McGrath
parent
84b6264670
commit
07e1ccdf75
@ -1536,7 +1536,6 @@
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#define lsmod_full_usage \
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"List the currently loaded kernel modules."
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#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
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#define makedevs_trivial_usage \
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"NAME TYPE MAJOR MINOR FIRST LAST [s]"
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#define makedevs_full_usage \
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@ -1556,18 +1555,6 @@
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"[creates ttyS2-ttyS63]\n" \
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"# makedevs /dev/hda b 3 0 0 8 s\n" \
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"[creates hda,hda1-hda8]\n"
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#endif
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#ifdef CONFIG_FEATURE_MAKEDEVS_TABLE
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#define makedevs_trivial_usage \
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"[-r rootdir] [device_table]"
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#define makedevs_full_usage \
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"Creates a batch of special files as specified in a device table\n" \
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"The device table has one line per device group, each group is of\n" \
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"the format\n" \
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"\ttype mode user group major minor start increment count\n" \
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"a '-' may be used for blank entries\n"
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#endif
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#ifdef CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
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#define USAGE_MD5_SHA1_SUM_CHECK(a) a
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@ -143,32 +143,10 @@ config CONFIG_MAKEDEVS
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bool "makedevs"
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default n
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help
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'makedevs' is a utility used to create a batch of devices with
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one command.
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.
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There are two choices for command line behaviour, the interface
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as used by LEAF/Linux Router Project, or a device table file.
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.
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'leaf' is traditionally what busybox follows, it allows multiple
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devices of a particluar type to be created per command.
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e.g. /dev/hda[0-9]
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Device properties are passed as command line arguments.
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.
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'table' reads device properties from a file or stdin, allowing
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a batch of unrelated devices to be makde with one command.
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User/group names are allowed as an alternative to uid/gid.
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choice
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prompt "Choose makedevs behaviour"
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default CONFIG_FEATURE_MAKDEVS_TABLE
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config CONFIG_FEATURE_MAKEDEVS_LEAF
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bool "leaf"
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config CONFIG_FEATURE_MAKEDEVS_TABLE
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bool "table"
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endchoice
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'makedevs' is a utility used and created by the Linux Router Project.
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It creates a large number of device special files (/dev devices)
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rather quickly, and can be considerably faster then running mknod a
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zillion times.
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config CONFIG_MT
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bool "mt"
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@ -1,19 +1,4 @@
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/* vi: set sw=4 ts=4: */
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#include <sys/types.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "busybox.h"
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#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
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/*
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* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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@ -21,7 +6,15 @@
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* Make ranges of device files quickly.
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* known bugs: can't deal with alpha ranges
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "busybox.h"
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int makedevs_main(int argc, char **argv)
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{
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mode_t mode;
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@ -76,153 +69,24 @@ int makedevs_main(int argc, char **argv)
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return 0;
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}
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#elif defined CONFIG_FEATURE_MAKEDEVS_TABLE
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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And this is what this program replaces. The shell is too slow!
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static const struct option makedevs_long_options[] = {
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{"root", 1, NULL, 'r'},
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{0, 0, 0, 0}
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};
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makedev () {
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local basedev=$1; local S=$2; local E=$3
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local major=$4; local Sminor=$5; local type=$6
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local sbase=$7
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extern int makedevs_main(int argc, char **argv)
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{
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FILE *table;
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int opt;
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char *rootdir = "./";
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char *line;
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int ret = EXIT_SUCCESS;
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if [ ! "$sbase" = "" ]; then
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mknod "$basedev" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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fi
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bb_opt_complementaly = "d~r";
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bb_applet_long_options = makedevs_long_options;
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opt = bb_getopt_ulflags(argc, argv, "d:r:", &rootdir, &rootdir);
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if (optind + 1 == argc) {
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table = bb_xfopen(argv[optind], "r");
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} else {
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table = stdin;
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}
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if (chdir(rootdir) == -1) {
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bb_perror_msg_and_die("Couldnt chdor to %s", rootdir);
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}
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umask(0);
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while ((line = bb_get_chomped_line_from_file(table))) {
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char type;
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unsigned int mode = 0755;
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unsigned int major = 0;
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unsigned int minor = 0;
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unsigned int count = 0;
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unsigned int increment = 0;
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unsigned int start = 0;
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char name[41];
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char user[41];
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char group[41];
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char *full_name;
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uid_t uid;
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gid_t gid;
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if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name,
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&type, &mode, user, group, &major,
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&minor, &start, &increment, &count)) ||
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((major | minor | start | count | increment) > 255)) {
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bb_error_msg("Ignoring invalid line\n%s\n", line);
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ret = EXIT_FAILURE;
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continue;
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}
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if (name[0] == '#') {
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continue;
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}
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if (group) {
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gid = get_ug_id(group, my_getgrnam);
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} else {
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gid = getgid();
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}
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if (user) {
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uid = get_ug_id(user, my_getpwnam);
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} else {
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uid = getuid();
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}
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full_name = concat_path_file(rootdir, name);
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if (type == 'd') {
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bb_make_directory(full_name, mode | S_IFDIR, 0);
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if (chown(full_name, uid, gid) == -1) {
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bb_perror_msg("chown failed for %s", full_name);
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ret = EXIT_FAILURE;
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goto loop;
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}
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} else {
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dev_t rdev;
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if (type == 'p') {
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mode |= S_IFIFO;
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}
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else if (type == 'c') {
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mode |= S_IFCHR;
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}
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else if (type == 'b') {
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mode |= S_IFBLK;
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} else {
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bb_error_msg("Unsupported file type %c", type);
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ret = EXIT_FAILURE;
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goto loop;
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}
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if (count > 0) {
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int i;
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char *full_name_inc;
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full_name_inc = xmalloc(strlen(full_name) + 4);
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for (i = start; i < count; i++) {
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sprintf(full_name_inc, "%s%d", full_name, i);
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rdev = (major << 8) + minor + (i * increment - start);
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if (mknod(full_name_inc, mode, rdev) == -1) {
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bb_perror_msg("Couldnt create node %s", full_name_inc);
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ret = EXIT_FAILURE;
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}
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else if (chown(full_name_inc, uid, gid) == -1) {
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bb_perror_msg("chown failed for %s", full_name_inc);
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ret = EXIT_FAILURE;
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}
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}
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free(full_name_inc);
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} else {
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rdev = (major << 8) + minor;
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if (mknod(full_name, mode, rdev) == -1) {
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bb_perror_msg("Couldnt create node %s", full_name);
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ret = EXIT_FAILURE;
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}
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else if (chown(full_name, uid, gid) == -1) {
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bb_perror_msg("chown failed for %s", full_name);
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ret = EXIT_FAILURE;
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}
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}
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}
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loop:
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free(line);
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free(full_name);
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}
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fclose(table);
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return 0;
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while [ $S -le $E ]; do
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mknod "$basedev$S" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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done
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}
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#else
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# error makdedevs configuration error, either leaf or table must be selected
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#endif
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*/
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