UI/updater: Fix files with similar hashes clashing
Do to multithreading the update process, files of the same hash can sometimes collide due to race. Ensure the filenames are all unique by appending an incremented value for each file.master
parent
e87a97eb8c
commit
7396c211be
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@ -885,12 +885,16 @@ static void UpdateWithPatchIfAvailable(const char *name, const char *hash,
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update.fileSize = size;
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update.patchable = true;
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/* ensure the filename is unique */
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static long increment = 0;
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/* Since the patch depends on the previous version, we can
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* no longer rely on the temp name being unique to the
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* new file's hash */
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update.tempPath = tempPath;
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update.tempPath += L"\\";
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update.tempPath += patchHashStr;
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update.tempPath += std::to_wstring(increment++);
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break;
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}
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}
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