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Fix assertion fail

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When fileSize == 0, the second index could be smaller than the first index,
thus trigger the assert check in IndexInterval constructor.

Closes #10611.
This commit is contained in:
Chocobo1 2019-05-14 02:42:44 +08:00
parent dca055656a
commit 459cdf6071
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1 changed files with 7 additions and 2 deletions
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9
src/base/bittorrent/torrentinfo.cpp
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@ -363,8 +363,13 @@ TorrentInfo::PieceRange TorrentInfo::filePieces(const int fileIndex) const
const lt::file_storage &files = nativeInfo()->files(); const lt::file_storage &files = nativeInfo()->files();
const auto fileSize = files.file_size(LTFileIndex {fileIndex}); const auto fileSize = files.file_size(LTFileIndex {fileIndex});
const auto fileOffset = files.file_offset(LTFileIndex {fileIndex}); const auto fileOffset = files.file_offset(LTFileIndex {fileIndex});
return makeInterval(static_cast<int>(fileOffset / pieceLength()),
static_cast<int>((fileOffset + fileSize - 1) / pieceLength())); const int beginIdx = (fileOffset / pieceLength());
const int endIdx = ((fileOffset + fileSize - 1) / pieceLength());
if (fileSize <= 0)
return {beginIdx, 0};
return makeInterval(beginIdx, endIdx);
} }
void TorrentInfo::renameFile(const int index, const QString &newPath) void TorrentInfo::renameFile(const int index, const QString &newPath)