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/* Copyright © 2005-2013 Roger Leigh <rleigh@debian.org>
*
* schroot is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* schroot is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#include <config.h>
#include <sbuild/mntstream.h>
#include <sbuild/util.h>
#include <libexec/listmounts/main.h>
#include <cerrno>
#include <climits>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <locale>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <boost/format.hpp>
using std::endl;
using boost::format;
using sbuild::_;
using sbuild::N_;
namespace schroot_listmounts
{
template<>
sbuild::error<main::error_code>::map_type
sbuild::error<main::error_code>::error_strings =
{
// TRANSLATORS: %1% = file
{schroot_listmounts::main::FIND, N_("Failed to find ‘%1%’")}
};
main::main (options::ptr& options):
bin_common::main("schroot-listmounts",
// TRANSLATORS: '...' is an ellipsis e.g. U+2026,
// and '-' is an em-dash.
_("[OPTION…] — list mount points"),
options,
false),
opts(options)
{
}
main::~main ()
{
}
void
main::action_listmounts ()
{
std::string to_find = sbuild::normalname(this->opts->mountpoint);
{
// NOTE: This is a non-standard GNU extension.
char *rpath = realpath(to_find.c_str(), NULL);
if (rpath == 0)
throw error(to_find, FIND, strerror(errno));
to_find = rpath;
free(rpath);
rpath = 0;
}
// Check mounts.
sbuild::mntstream mounts("/proc/mounts");
sbuild::mntstream::mntentry entry;
sbuild::string_list mountlist;
while (mounts >> entry)
{
std::string mount_dir(entry.directory);
if (to_find == "/" ||
(mount_dir.find(to_find) == 0 &&
(// Names are the same.
mount_dir.size() == to_find.size() ||
// Must have a following /, or not the same directory.
(mount_dir.size() > to_find.size() &&
mount_dir[to_find.size()] == '/'))))
mountlist.push_back(mount_dir);
}
for (sbuild::string_list::const_reverse_iterator mount = mountlist.rbegin();
mount != mountlist.rend();
++mount)
std::cout << *mount << '\n';
std::cout << std::flush;
}
int
main::run_impl ()
{
if (this->opts->action == options::ACTION_HELP)
action_help(std::cerr);
else if (this->opts->action == options::ACTION_VERSION)
action_version(std::cerr);
else if (this->opts->action == options::ACTION_LISTMOUNTS)
action_listmounts();
else
assert(0); // Invalid action.
return EXIT_SUCCESS;
}
}
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