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/* 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>
static void remove_all_mounts ();
static void remove_all_automounts ();
static void remove_all_user_mounts ();
static void remove_all_system_mounts ();
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");
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
usage ();
}
if ((i + 1) != argc)
usage ();
if (cygwin_umount (argv[i], flags) != 0)
{
perror ("umount");
exit (1);
}
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)
{
cygwin_umount (p->mnt_dir, 0);
/* 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)
{
cygwin_umount (p->mnt_dir, MOUNT_SYSTEM);
/* 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;
int err;
while ((p = getmntent (m)) != NULL)
{
/* Remove the mount if it's a user mount. */
if (strncmp (p->mnt_type, "user", 4) == 0)
{
err = cygwin_umount (p->mnt_dir, 0);
/* 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)
{
cygwin_umount (p->mnt_dir, MOUNT_SYSTEM);
/* We've modified the table so we need to start over. */
endmntent (m);
m = setmntent ("/-not-used-", "r");
}
}
endmntent (m);
}
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