1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #include <unistd.h> 18 #include <libgen.h> 19 20 #if defined(__linux__) 21 #include <linux/fs.h> 22 #elif defined(__APPLE__) && defined(__MACH__) 23 #include <sys/disk.h> 24 #endif 25 26 #include "make_ext4fs.h" 27 28 extern struct fs_info info; 29 30 31 static void usage(char *path) 32 { 33 fprintf(stderr, "%s [ -l <len> ] [ -j <journal size> ] [ -b <block_size> ]\n", basename(path)); 34 fprintf(stderr, " [ -g <blocks per group> ] [ -i <inodes> ] [ -I <inode size> ]\n"); 35 fprintf(stderr, " [ -L <label> ] [ -f ] [ -a <android mountpoint> ]\n"); 36 fprintf(stderr, " [ -z | -s ] [ -t ] [ -w ] [ -c ] [ -J ]\n"); 37 fprintf(stderr, " <filename> [<directory>]\n"); 38 } 39 40 int main(int argc, char **argv) 41 { 42 int opt; 43 const char *filename = NULL; 44 const char *directory = NULL; 45 char *mountpoint = ""; 46 int android = 0; 47 int gzip = 0; 48 int sparse = 0; 49 int crc = 0; 50 int wipe = 0; 51 int init_itabs = 0; 52 53 while ((opt = getopt(argc, argv, "l:j:b:g:i:I:L:a:fwzJsct")) != -1) { 54 switch (opt) { 55 case 'l': 56 info.len = parse_num(optarg); 57 break; 58 case 'j': 59 info.journal_blocks = parse_num(optarg); 60 break; 61 case 'b': 62 info.block_size = parse_num(optarg); 63 break; 64 case 'g': 65 info.blocks_per_group = parse_num(optarg); 66 break; 67 case 'i': 68 info.inodes = parse_num(optarg); 69 break; 70 case 'I': 71 info.inode_size = parse_num(optarg); 72 break; 73 case 'L': 74 info.label = optarg; 75 break; 76 case 'f': 77 force = 1; 78 break; 79 case 'a': 80 android = 1; 81 mountpoint = optarg; 82 break; 83 case 'w': 84 wipe = 1; 85 break; 86 case 'z': 87 gzip = 1; 88 break; 89 case 'J': 90 info.no_journal = 1; 91 break; 92 case 'c': 93 crc = 1; 94 break; 95 case 's': 96 sparse = 1; 97 break; 98 case 't': 99 init_itabs = 1; 100 break; 101 default: /* '?' */ 102 usage(argv[0]); 103 exit(EXIT_FAILURE); 104 } 105 } 106 107 if (gzip && sparse) { 108 fprintf(stderr, "Cannot specify both gzip and sparse\n"); 109 usage(argv[0]); 110 exit(EXIT_FAILURE); 111 } 112 113 if (wipe && sparse) { 114 fprintf(stderr, "Cannot specifiy both wipe and sparse\n"); 115 usage(argv[0]); 116 exit(EXIT_FAILURE); 117 } 118 119 if (wipe && gzip) { 120 fprintf(stderr, "Cannot specifiy both wipe and gzip\n"); 121 usage(argv[0]); 122 exit(EXIT_FAILURE); 123 } 124 125 if (optind >= argc) { 126 fprintf(stderr, "Expected filename after options\n"); 127 usage(argv[0]); 128 exit(EXIT_FAILURE); 129 } 130 131 filename = argv[optind++]; 132 133 if (optind < argc) 134 directory = argv[optind++]; 135 136 if (optind < argc) { 137 fprintf(stderr, "Unexpected argument: %s\n", argv[optind]); 138 usage(argv[0]); 139 exit(EXIT_FAILURE); 140 } 141 142 return make_ext4fs_internal(filename, directory, mountpoint, android, gzip, 143 sparse, crc, wipe, init_itabs); 144 } 145
