Method Read

Sources/Shared/IO/Compression/ZstdStream.cpp:124–149

	}

	std::int64_t ZstdStream::Read(void* destination, std::int64_t bytesToRead)
	{
		if (bytesToRead <= 0) {
			return 0;
		}

		DEATH_ASSERT(destination != nullptr, "destination is null", 0);
		std::uint8_t* typedBuffer = static_cast<std::uint8_t*>(destination);
		std::int64_t bytesReadTotal = 0;

		do {
			// ReadInternal() can read only up to ZSTD_DStreamInSize() bytes
			std::int32_t partialBytesToRead = (bytesToRead < INT32_MAX ? (std::int32_t)bytesToRead : INT32_MAX);
			std::int32_t bytesRead = ReadInternal(&typedBuffer[bytesReadTotal], partialBytesToRead);
			if DEATH_UNLIKELY(bytesRead < 0) {
				return bytesRead;
			} else if DEATH_UNLIKELY(bytesRead == 0) {
				break;
			}
			bytesReadTotal += bytesRead;
			bytesToRead -= bytesRead;
		} while (bytesToRead > 0);

		_outPosTotal += bytesReadTotal;
		return bytesReadTotal;
	}

	std::int64_t ZstdStream::Write(const void* source, std::int64_t bytesToWrite)
	{