src/bin/unmount.c

   1 /*
   2 ** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3 ** Distributed under the terms of the Haiku License.
   4 */
   5
   6 /**     Unmounts a volume */
   7
   8
   9 #include <fs_volume.h>
  10
  11 #include <sys/stat.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16
  17
  18 static void
  19 usage(const char *programName)
  20 {
  21
  22         printf("usage: %s [-f] <path to volume>\n"
  23                 "\t-f\tforces unmounting in case of open files left\n", programName);
  24         exit(1);
  25 }
  26
  27
  28 int
  29 main(int argc, char **argv)
  30 {
  31         const char *programName = argv[0];
  32         struct stat pathStat;
  33         const char *path;
  34         status_t status;
  35         uint32 flags = 0;
  36
  37         /* prettify the program name */
  38
  39         if (strrchr(programName, '/'))
  40                 programName = strrchr(programName, '/') + 1;
  41
  42         /* get all options */
  43
  44         while (*++argv) {
  45                 char *arg = *argv;
  46                 if (*arg != '-')
  47                         break;
  48
  49                 if (!strcmp(++arg, "f"))
  50                         flags |= B_FORCE_UNMOUNT;
  51                 else
  52                         usage(programName);
  53         }
  54
  55         path = argv[0];
  56
  57         /* check the arguments */
  58
  59         if (path == NULL)
  60                 usage(programName);
  61
  62         if (stat(path, &pathStat) < 0) {
  63                 fprintf(stderr, "%s: The path \"%s\" is not accessible\n", programName, path);
  64                 return 1;
  65         }
  66
  67         /* do the work */
  68
  69         status = fs_unmount_volume(path, flags);
  70         if (status != B_OK) {
  71                 fprintf(stderr, "%s: unmounting failed: %s\n", programName, strerror(status));
  72                 return 1;
  73         }
  74
  75         return 0;
  76 }
  77