Home | History | Annotate | Download | only in ext4_utils
      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 
     23 static void usage(char *me)
     24 {
     25     fprintf(stderr, "%s: usage: %s [-vn] <image or block device>\n", me, me);
     26 }
     27 
     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