2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 #if defined(__linux__)
24 #elif defined(__APPLE__) && defined(__MACH__)
29 #include <private/android_filesystem_config.h>
32 #include "make_ext4fs.h"
33 #include "ext4_utils.h"
34 #include "canned_fs_config.h"
36 #ifndef USE_MINGW /* O_BINARY is windows-specific flag */
40 extern struct fs_info info;
43 static void usage(char *path)
45 fprintf(stderr, "%s [ -l <len> ] [ -j <journal size> ] [ -b <block_size> ]\n", basename(path));
46 fprintf(stderr, " [ -g <blocks per group> ] [ -i <inodes> ] [ -I <inode size> ]\n");
47 fprintf(stderr, " [ -L <label> ] [ -f ] [ -a <android mountpoint> ]\n");
48 fprintf(stderr, " [ -S file_contexts ] [ -C fs_config ] [ -T timestamp ]\n");
49 fprintf(stderr, " [ -z | -s ] [ -w ] [ -c ] [ -J ] [ -v ] [ -B <block_list_file> ]\n");
50 fprintf(stderr, " <filename> [<directory>]\n");
53 int main(int argc, char **argv)
56 const char *filename = NULL;
57 const char *directory = NULL;
58 char *mountpoint = NULL;
59 fs_config_func_t fs_config_func = NULL;
60 const char *fs_config_file = NULL;
68 time_t fixed_time = -1;
69 FILE* block_list_file = NULL;
71 while ((opt = getopt(argc, argv, "l:j:b:g:i:I:L:a:T:C:B:fwzJsctv")) != -1) {
74 info.len = parse_num(optarg);
77 info.journal_blocks = parse_num(optarg);
80 info.block_size = parse_num(optarg);
83 info.blocks_per_group = parse_num(optarg);
86 info.inodes = parse_num(optarg);
89 info.inode_size = parse_num(optarg);
101 fprintf(stderr, "can't set android permissions - built without android support\n");
122 fprintf(stderr, "Warning: -t (initialize inode tables) is deprecated\n");
128 fixed_time = strtoll(optarg, NULL, 0);
131 fs_config_file = optarg;
134 block_list_file = fopen(optarg, "w");
135 if (block_list_file == NULL) {
136 fprintf(stderr, "failed to open block_list_file: %s\n", strerror(errno));
146 if (fs_config_file) {
147 if (load_canned_fs_config(fs_config_file) < 0) {
148 fprintf(stderr, "failed to load %s\n", fs_config_file);
151 fs_config_func = canned_fs_config;
154 if (wipe && sparse) {
155 fprintf(stderr, "Cannot specifiy both wipe and sparse\n");
161 fprintf(stderr, "Cannot specifiy both wipe and gzip\n");
166 if (optind >= argc) {
167 fprintf(stderr, "Expected filename after options\n");
172 filename = argv[optind++];
175 directory = argv[optind++];
178 fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
183 if (strcmp(filename, "-")) {
184 fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
193 exitcode = make_ext4fs_internal(fd, directory, mountpoint, fs_config_func, gzip,
194 sparse, crc, wipe, verbose, fixed_time, block_list_file);
197 fclose(block_list_file);
198 if (exitcode && strcmp(filename, "-"))