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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <unistd.h>
#include <libgen.h>
#if defined(__linux__)
#include <linux/fs.h>
#elif defined(__APPLE__) && defined(__MACH__)
#include <sys/disk.h>
#endif
#include "make_ext4fs.h"
extern struct fs_info info;
static void usage(char *path)
{
fprintf(stderr, "%s [ -l <len> ] [ -j <journal size> ] [ -b <block_size> ]\n", basename(path));
fprintf(stderr, " [ -g <blocks per group> ] [ -i <inodes> ] [ -I <inode size> ]\n");
fprintf(stderr, " [ -L <label> ] [ -f ] [ -a <android mountpoint> ]\n");
fprintf(stderr, " [ -S file_contexts ]\n");
fprintf(stderr, " [ -z | -s ] [ -t ] [ -w ] [ -c ] [ -J ]\n");
fprintf(stderr, " <filename> [<directory>]\n");
}
int main(int argc, char **argv)
{
int opt;
const char *filename = NULL;
const char *directory = NULL;
char *mountpoint = "";
int android = 0;
int gzip = 0;
int sparse = 0;
int crc = 0;
int wipe = 0;
int init_itabs = 0;
struct selabel_handle *sehnd = NULL;
#ifdef HAVE_SELINUX
struct selinux_opt seopts[] = { { SELABEL_OPT_PATH, "" } };
#endif
while ((opt = getopt(argc, argv, "l:j:b:g:i:I:L:a:fwzJsctS:")) != -1) {
switch (opt) {
case 'l':
info.len = parse_num(optarg);
break;
case 'j':
info.journal_blocks = parse_num(optarg);
break;
case 'b':
info.block_size = parse_num(optarg);
break;
case 'g':
info.blocks_per_group = parse_num(optarg);
break;
case 'i':
info.inodes = parse_num(optarg);
break;
case 'I':
info.inode_size = parse_num(optarg);
break;
case 'L':
info.label = optarg;
break;
case 'f':
force = 1;
break;
case 'a':
android = 1;
mountpoint = optarg;
break;
case 'w':
wipe = 1;
break;
case 'z':
gzip = 1;
break;
case 'J':
info.no_journal = 1;
break;
case 'c':
crc = 1;
break;
case 's':
sparse = 1;
break;
case 't':
init_itabs = 1;
break;
case 'S':
#ifdef HAVE_SELINUX
seopts[0].value = optarg;
sehnd = selabel_open(SELABEL_CTX_FILE, seopts, 1);
if (!sehnd) {
perror(optarg);
exit(EXIT_FAILURE);
}
#endif
break;
default: /* '?' */
usage(argv[0]);
exit(EXIT_FAILURE);
}
}
if (gzip && sparse) {
fprintf(stderr, "Cannot specify both gzip and sparse\n");
usage(argv[0]);
exit(EXIT_FAILURE);
}
if (wipe && sparse) {
fprintf(stderr, "Cannot specifiy both wipe and sparse\n");
usage(argv[0]);
exit(EXIT_FAILURE);
}
if (wipe && gzip) {
fprintf(stderr, "Cannot specifiy both wipe and gzip\n");
usage(argv[0]);
exit(EXIT_FAILURE);
}
if (optind >= argc) {
fprintf(stderr, "Expected filename after options\n");
usage(argv[0]);
exit(EXIT_FAILURE);
}
filename = argv[optind++];
if (optind < argc)
directory = argv[optind++];
if (optind < argc) {
fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
usage(argv[0]);
exit(EXIT_FAILURE);
}
return make_ext4fs_internal(filename, directory, mountpoint, android, gzip,
sparse, crc, wipe, init_itabs, sehnd);
}
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