b6e259b12f
* umount.cc: ditto * strace.cc: add #define for alloca
175 lines
3.8 KiB
C++
175 lines
3.8 KiB
C++
/* umount.cc
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Copyright 1996, 1998, 1999 Cygnus Solutions.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <stdio.h>
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#include <string.h>
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#include <sys/mount.h>
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#include <mntent.h>
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#include <stdlib.h>
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static void remove_all_mounts ();
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static void remove_all_automounts ();
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static void remove_all_user_mounts ();
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static void remove_all_system_mounts ();
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static const char *progname;
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static void
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usage (void)
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{
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fprintf (stderr, "Usage %s [-s] <posixpath>\n", progname);
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fprintf (stderr, "-s = remove mount point from system-wide registry location\n");
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fprintf (stderr, "\n");
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fprintf (stderr, "--remove-all-mounts = remove all mounts\n");
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fprintf (stderr, "--remove-auto-mounts = remove all automatically mounted mounts\n");
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fprintf (stderr, "--remove-user-mounts = remove all mounts in the current user mount registry area, including auto mounts\n");
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fprintf (stderr, "--remove-system-mounts = Remove all mounts in the system-wide mount registry area\n");
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exit (1);
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}
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int
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main (int argc, char **argv)
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{
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int i;
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int flags = 0;
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progname = argv[0];
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if (argc == 1)
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usage ();
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for (i = 1; i < argc; ++i)
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{
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if (argv[i][0] != '-')
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break;
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if (strcmp (argv[i], "-s") == 0)
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{
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flags |= MOUNT_SYSTEM;
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}
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else if (strcmp (argv[i], "--remove-all-mounts") == 0)
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{
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remove_all_mounts ();
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exit (0);
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}
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else if (strcmp (argv[i], "--remove-user-mounts") == 0)
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{
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remove_all_user_mounts ();
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exit (0);
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}
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else if (strcmp (argv[i], "--remove-system-mounts") == 0)
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{
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remove_all_system_mounts ();
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exit (0);
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}
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else if (strcmp (argv[i], "--remove-auto-mounts") == 0)
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{
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remove_all_automounts ();
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exit (0);
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}
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else
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usage ();
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}
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if ((i + 1) != argc)
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usage ();
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if (cygwin_umount (argv[i], flags) != 0)
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{
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perror ("umount");
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exit (1);
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}
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return 0;
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}
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/* remove_all_mounts: Unmount all mounts. */
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static void
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remove_all_mounts ()
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{
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remove_all_user_mounts ();
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remove_all_system_mounts ();
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}
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/* remove_all_automounts: Unmount all automounts. */
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static void
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remove_all_automounts ()
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{
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FILE *m = setmntent ("/-not-used-", "r");
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struct mntent *p;
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while ((p = getmntent (m)) != NULL)
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{
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/* Remove the mount if it's an automount. */
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if (strcmp (p->mnt_type, "user,auto") == 0)
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{
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cygwin_umount (p->mnt_dir, 0);
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/* We've modified the table so we need to start over. */
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endmntent (m);
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m = setmntent ("/-not-used-", "r");
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}
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else if (strcmp (p->mnt_type, "system,auto") == 0)
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{
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cygwin_umount (p->mnt_dir, MOUNT_SYSTEM);
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/* We've modified the table so we need to start over. */
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endmntent (m);
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m = setmntent ("/-not-used-", "r");
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}
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}
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endmntent (m);
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}
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/* remove_all_user_mounts: Unmount all user mounts. */
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static void
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remove_all_user_mounts ()
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{
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FILE *m = setmntent ("/-not-used-", "r");
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struct mntent *p;
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int err;
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while ((p = getmntent (m)) != NULL)
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{
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/* Remove the mount if it's a user mount. */
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if (strncmp (p->mnt_type, "user", 4) == 0)
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{
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err = cygwin_umount (p->mnt_dir, 0);
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/* We've modified the table so we need to start over. */
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endmntent (m);
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m = setmntent ("/-not-used-", "r");
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}
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}
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endmntent (m);
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}
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/* remove_all_system_mounts: Unmount all system mounts. */
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static void
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remove_all_system_mounts ()
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{
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FILE *m = setmntent ("/-not-used-", "r");
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struct mntent *p;
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while ((p = getmntent (m)) != NULL)
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{
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/* Remove the mount if it's a system mount. */
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if (strncmp (p->mnt_type, "system", 6) == 0)
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{
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cygwin_umount (p->mnt_dir, MOUNT_SYSTEM);
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/* We've modified the table so we need to start over. */
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endmntent (m);
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m = setmntent ("/-not-used-", "r");
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}
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}
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endmntent (m);
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}
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