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Fix zlib decompression

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momo5502
2025-03-22 13:08:37 +01:00
parent 04a4da3188
commit 456369476a
1 changed files with 11 additions and 18 deletions
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29
src/common/utils/compression.cpp
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@@ -57,32 +57,25 @@ namespace utils::compression
return {};
}
int ret{};
size_t offset = 0;
static thread_local std::array<uint8_t, ZCHUNK_SIZE> dest{};
auto& stream = stream_container.get();
stream.avail_in = static_cast<uInt>(data.size());
stream.next_in = reinterpret_cast<const Bytef*>(data.data());
do
{
const auto input_size = std::min(dest.size(), data.size() - offset);
stream.avail_in = static_cast<uInt>(input_size);
stream.next_in = reinterpret_cast<const Bytef*>(data.data()) + offset;
offset += stream.avail_in;
stream.avail_out = static_cast<uInt>(dest.size());
stream.next_out = dest.data();
do
const auto ret = inflate(&stream, Z_FINISH);
if (ret != Z_OK && ret != Z_BUF_ERROR && ret != Z_STREAM_END)
{
stream.avail_out = static_cast<uInt>(dest.size());
stream.next_out = dest.data();
return {};
}
ret = inflate(&stream, Z_NO_FLUSH);
if (ret != Z_OK && ret != Z_STREAM_END)
{
return {};
}
buffer.insert(buffer.end(), dest.data(), dest.data() + dest.size() - stream.avail_out);
} while (stream.avail_out == 0);
} while (ret != Z_STREAM_END);
buffer.insert(buffer.end(), dest.data(), dest.data() + dest.size() - stream.avail_out);
} while (stream.avail_out == 0);
return buffer;
}