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add runtime boundary checks for piece and file priority functions

This commit is contained in:
Arvid Norberg 2011-01-22 19:01:44 +00:00
parent 8ebc3e7f1e
commit 483870cd83
1 changed files with 10 additions and 0 deletions
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10
src/torrent.cpp
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@ -3196,6 +3196,7 @@ namespace libtorrent
TORRENT_ASSERT(m_picker.get());
TORRENT_ASSERT(index >= 0);
TORRENT_ASSERT(index < m_torrent_file->num_pieces());
if (index < 0 || index >= m_torrent_file->num_pieces()) return;
bool was_finished = is_finished();
bool filter_updated = m_picker->set_piece_priority(index, priority);
@ -3219,6 +3220,7 @@ namespace libtorrent
TORRENT_ASSERT(m_picker.get());
TORRENT_ASSERT(index >= 0);
TORRENT_ASSERT(index < m_torrent_file->num_pieces());
if (index < 0 || index >= m_torrent_file->num_pieces()) return 0;
return m_picker->piece_priority(index);
}
@ -3302,6 +3304,7 @@ namespace libtorrent
TORRENT_ASSERT(index < m_torrent_file->num_files());
TORRENT_ASSERT(index >= 0);
if (index < 0 || index >= m_torrent_file->num_files()) return;
if (m_file_priority[index] == prio) return;
m_file_priority[index] = prio;
update_piece_priorities();
@ -3314,6 +3317,7 @@ namespace libtorrent
TORRENT_ASSERT(index < m_torrent_file->num_files());
TORRENT_ASSERT(index >= 0);
if (index < 0 || index >= m_torrent_file->num_files()) return 0;
return m_file_priority[index];
}
@ -3396,6 +3400,8 @@ namespace libtorrent
TORRENT_ASSERT(index >= 0);
TORRENT_ASSERT(index < m_torrent_file->num_pieces());
if (index < 0 || index >= m_torrent_file->num_pieces()) return;
bool was_finished = is_finished();
m_picker->set_piece_priority(index, filter ? 1 : 0);
update_peer_interest(was_finished);
@ -3435,6 +3441,8 @@ namespace libtorrent
TORRENT_ASSERT(index >= 0);
TORRENT_ASSERT(index < m_torrent_file->num_pieces());
if (index < 0 || index >= m_torrent_file->num_pieces()) return true;
return m_picker->piece_priority(index) == 0;
}
@ -3465,6 +3473,8 @@ namespace libtorrent
// the bitmask need to have exactly one bit for every file
// in the torrent
TORRENT_ASSERT((int)bitmask.size() == m_torrent_file->num_files());
if (bitmask.size() != m_torrent_file->num_files()) return;
size_type position = 0;