-/* umount.cc

-

- Copyright 1996, 1998, 1999 Cygnus Solutions.

-

-This file is part of Cygwin.

-

-This software is a copyrighted work licensed under the terms of the

-Cygwin license. Please consult the file "CYGWIN_LICENSE" for

-details. */

-

-#include <stdio.h>

-#include <string.h>

-#include <sys/mount.h>

-#include <mntent.h>

-#include <stdlib.h>

-#include <errno.h>

-

-static void remove_all_mounts ();

-static void remove_all_automounts ();

-static void remove_all_user_mounts ();

-static void remove_all_system_mounts ();

-static void remove_cygdrive_prefix (int flags);

-

-static const char *progname;

-

-static void

-usage (void)

-{

- fprintf (stderr, "Usage %s [-s] <posixpath>\n", progname);

- fprintf (stderr, "-s = remove mount point from system-wide registry location\n");

- fprintf (stderr, "\n");

- fprintf (stderr, "--remove-all-mounts = remove all mounts\n");

- fprintf (stderr, "--remove-auto-mounts = remove all automatically mounted mounts\n");

- fprintf (stderr, "--remove-user-mounts = remove all mounts in the current user mount registry area, including auto mounts\n");

- fprintf (stderr, "--remove-system-mounts = remove all mounts in the system-wide mount registry area\n");

- fprintf (stderr, "[-s] --remove-cygdrive-prefix = remove cygdrive path prefix\n");

- exit (1);

-}

-

-static void

-error (const char *path)

-{

- fprintf (stderr, "%s: %s: %s\n", progname, path, strerror (errno));

- exit (1);

-}

-

-int

-main (int argc, char **argv)

-{

- int i;

- int flags = 0;

- progname = argv[0];

-

- if (argc == 1)

- usage ();

-

- for (i = 1; i < argc; ++i)

- {

- if (argv[i][0] != '-')

- break;

-

- if (strcmp (argv[i], "-s") == 0)

- {

- flags |= MOUNT_SYSTEM;

- }

- else if (strcmp (argv[i], "--remove-all-mounts") == 0)

- {

- remove_all_mounts ();

- exit (0);

- }

- else if (strcmp (argv[i], "--remove-user-mounts") == 0)

- {

- remove_all_user_mounts ();

- exit (0);

- }

- else if (strcmp (argv[i], "--remove-system-mounts") == 0)

- {

- remove_all_system_mounts ();

- exit (0);

- }

- else if (strcmp (argv[i], "--remove-auto-mounts") == 0)

- {

- remove_all_automounts ();

- exit (0);

- }

- else if (strcmp (argv[i], "--remove-cygdrive-prefix") == 0)

- {

- remove_cygdrive_prefix (flags);

- exit (0);

- }

- else

- usage ();

- }

-

- if ((i + 1) != argc)

- usage ();

-

- if (cygwin_umount (argv[i], flags) != 0)

- error (argv[i]);

-

- return 0;

-}

-

-/* remove_all_mounts: Unmount all mounts. */

-static void

-remove_all_mounts ()

-{

- remove_all_user_mounts ();

- remove_all_system_mounts ();

-}

-

-/* remove_all_automounts: Unmount all automounts. */

-static void

-remove_all_automounts ()

-{

- FILE *m = setmntent ("/-not-used-", "r");

- struct mntent *p;

-

- while ((p = getmntent (m)) != NULL)

- {

- /* Remove the mount if it's an automount. */

- if (strcmp (p->mnt_type, "user,auto") == 0)

- {

- if (cygwin_umount (p->mnt_dir, 0))

- error (p->mnt_dir);

-

- /* We've modified the table so we need to start over. */

- endmntent (m);

- m = setmntent ("/-not-used-", "r");

- }

- else if (strcmp (p->mnt_type, "system,auto") == 0)

- {

- if (cygwin_umount (p->mnt_dir, MOUNT_SYSTEM))

- error (p->mnt_dir);

-

- /* We've modified the table so we need to start over. */

- endmntent (m);

- m = setmntent ("/-not-used-", "r");

- }

- }

-

- endmntent (m);

-}

-

-/* remove_all_user_mounts: Unmount all user mounts. */

-static void

-remove_all_user_mounts ()

-{

- FILE *m = setmntent ("/-not-used-", "r");

- struct mntent *p;

-

- while ((p = getmntent (m)) != NULL)

- {

- /* Remove the mount if it's a user mount. */

- if (strncmp (p->mnt_type, "user", 4) == 0)

- {

- if (cygwin_umount (p->mnt_dir, 0))

- error (p->mnt_dir);

-

- /* We've modified the table so we need to start over. */

- endmntent (m);

- m = setmntent ("/-not-used-", "r");

- }

- }

-

- endmntent (m);

-}

-

-/* remove_all_system_mounts: Unmount all system mounts. */

-static void

-remove_all_system_mounts ()

-{

- FILE *m = setmntent ("/-not-used-", "r");

- struct mntent *p;

-

- while ((p = getmntent (m)) != NULL)

- {

- /* Remove the mount if it's a system mount. */

- if (strncmp (p->mnt_type, "system", 6) == 0)

- {

- if (cygwin_umount (p->mnt_dir, MOUNT_SYSTEM))

- error (p->mnt_dir);

-

- /* We've modified the table so we need to start over. */

- endmntent (m);

- m = setmntent ("/-not-used-", "r");

- }

- }

-

- endmntent (m);

-}

-

-/* remove_cygdrive_prefix: Remove cygdrive user or system path prefix. */

-static void

-remove_cygdrive_prefix (int flags)

-{

- int res = cygwin_umount(NULL, flags | MOUNT_AUTO);

- if (res)

- error ("remove_cygdrive_prefix");

-}