ext4fixup_main.c

   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 }