ext4fixup_main.c revision 671cd2188e2f224aaeac4955785199f228235719 
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#include <stdio.h>
20#include <stdlib.h>
21#include "ext4fixup.h"
22
23static void usage(char *me)
24{
25    fprintf(stderr, "%s: usage: %s [-vn] <image or block device>\n", me, me);
26}
27
28int main(int argc, char **argv)
29{
30    int opt;
31    int verbose = 0;
32    int no_write = 0;
33    char *fsdev;
34    char *me;
35
36    me = basename(argv[0]);
37
38    while ((opt = getopt(argc, argv, "vn")) != -1) {
39        switch (opt) {
40        case 'v':
41            verbose = 1;
42            break;
43        case 'n':
44            no_write = 1;
45            break;
46        }
47    }
48
49    if (optind >= argc) {
50        fprintf(stderr, "expected image or block device after options\n");
51        usage(me);
52        exit(EXIT_FAILURE);
53    }
54
55    fsdev = argv[optind++];
56
57    if (optind < argc) {
58        fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
59        usage(me);
60        exit(EXIT_FAILURE);
61    }
62
63    return ext4fixup_internal(fsdev, verbose, no_write);
64}
65