yuzu/src/core/file_sys/archive_savedatacheck.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/file_util.h"
#include "core/file_sys/archive_savedatacheck.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
Archive_SaveDataCheck::Archive_SaveDataCheck(const std::string& mount_loc) : mount_point(mount_loc) {
}
ResultCode Archive_SaveDataCheck::Open(const Path& path) {
// TODO(Subv): We should not be overwriting raw_data everytime this function is called,
// but until we use factory classes to create the archives at runtime instead of creating them beforehand
// and allow multiple archives of the same type to be open at the same time without clobbering each other,
// we won't be able to maintain the state of each archive, hence we overwrite it every time it's needed.
// There are a number of problems with this, for example opening a file in this archive, then opening
// this archive again with a different path, will corrupt the previously open file.
auto vec = path.AsBinary();
const u32* data = reinterpret_cast<u32*>(vec.data());
std::string file_path = Common::StringFromFormat("%s%08x%08x.bin", mount_point.c_str(), data[1], data[0]);
FileUtil::IOFile file(file_path, "rb");
std::fill(raw_data.begin(), raw_data.end(), 0);
if (!file.IsOpen()) {
return ResultCode(-1); // TODO(Subv): Find the right error code
}
auto size = file.GetSize();
raw_data.resize(size);
file.ReadBytes(raw_data.data(), size);
file.Close();
return RESULT_SUCCESS;
}
} // namespace FileSys