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Diffstat (limited to '')
-rw-r--r-- | src/core/file_sys/fssystem/fs_i_storage.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/core/file_sys/fssystem/fs_i_storage.h b/src/core/file_sys/fssystem/fs_i_storage.h new file mode 100644 index 000000000..416dd57b8 --- /dev/null +++ b/src/core/file_sys/fssystem/fs_i_storage.h @@ -0,0 +1,58 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "common/overflow.h" +#include "core/file_sys/errors.h" +#include "core/file_sys/vfs.h" + +namespace FileSys { + +class IStorage : public VfsFile { +public: + virtual std::string GetName() const override { + return {}; + } + + virtual VirtualDir GetContainingDirectory() const override { + return {}; + } + + virtual bool IsWritable() const override { + return true; + } + + virtual bool IsReadable() const override { + return true; + } + + virtual bool Resize(size_t size) override { + return false; + } + + virtual bool Rename(std::string_view name) override { + return false; + } + + static inline Result CheckAccessRange(s64 offset, s64 size, s64 total_size) { + R_UNLESS(offset >= 0, ResultInvalidOffset); + R_UNLESS(size >= 0, ResultInvalidSize); + R_UNLESS(Common::WrappingAdd(offset, size) >= offset, ResultOutOfRange); + R_UNLESS(offset + size <= total_size, ResultOutOfRange); + R_SUCCEED(); + } +}; + +class IReadOnlyStorage : public IStorage { +public: + virtual bool IsWritable() const override { + return false; + } + + virtual size_t Write(const u8* buffer, size_t size, size_t offset) override { + return 0; + } +}; + +} // namespace FileSys |