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 
usage(char * me)23 static void usage(char *me)
24 {
25     fprintf(stderr, "%s: usage: %s [-vn] <image or block device>\n", me, me);
26 }
27 
main(int argc,char ** argv)28 int 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     int stop_phase = 0, stop_loc = 0, stop_count = 0;
36 
37     me = basename(argv[0]);
38 
39     while ((opt = getopt(argc, argv, "vnd:")) != -1) {
40         switch (opt) {
41         case 'v':
42             verbose = 1;
43             break;
44         case 'n':
45             no_write = 1;
46             break;
47         case 'd':
48             sscanf(optarg, "%d,%d,%d", &stop_phase, &stop_loc, &stop_count);
49             break;
50         }
51     }
52 
53     if (optind >= argc) {
54         fprintf(stderr, "expected image or block device after options\n");
55         usage(me);
56         exit(EXIT_FAILURE);
57     }
58 
59     fsdev = argv[optind++];
60 
61     if (optind < argc) {
62         fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
63         usage(me);
64         exit(EXIT_FAILURE);
65     }
66 
67     return ext4fixup_internal(fsdev, verbose, no_write, stop_phase, stop_loc, stop_count);
68 }
69