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SPDX standardizes how source code conveys its copyright and licensing information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX tags are adopted in many large projects, including things like the Linux kernel.
41 lines
1 KiB
C++
41 lines
1 KiB
C++
// Copyright 2019 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <algorithm>
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#include <unzip.h>
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#include "Common/CommonTypes.h"
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#include "Common/ScopeGuard.h"
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namespace Common
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{
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// Reads all of the current file. destination must be big enough to fit the whole file.
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template <typename ContiguousContainer>
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bool ReadFileFromZip(unzFile file, ContiguousContainer* destination)
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{
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const u32 MAX_BUFFER_SIZE = 65535;
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if (unzOpenCurrentFile(file) != UNZ_OK)
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return false;
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Common::ScopeGuard guard{[&] { unzCloseCurrentFile(file); }};
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u32 bytes_to_go = static_cast<u32>(destination->size());
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while (bytes_to_go > 0)
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{
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const int bytes_read =
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unzReadCurrentFile(file, &(*destination)[destination->size() - bytes_to_go],
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std::min(bytes_to_go, MAX_BUFFER_SIZE));
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if (bytes_read < 0)
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return false;
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bytes_to_go -= static_cast<u32>(bytes_read);
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}
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return true;
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}
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} // namespace Common
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