file_sys: std::move the vector in NCCHFile's constructor
Avoids making unnecessary copies of the source vector's data.
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370d77f13a
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11705857cd
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@ -5,6 +5,7 @@
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#include <algorithm>
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#include <cinttypes>
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#include <memory>
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#include <utility>
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#include <vector>
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#include "common/common_types.h"
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#include "common/file_util.h"
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@ -83,7 +84,7 @@ ResultVal<std::unique_ptr<FileBackend>> NCCHArchive::OpenFile(const Path& path,
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// Load NCCH .code or icon/banner/logo
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result = ncch_container.LoadSectionExeFS(openfile_path.exefs_filepath.data(), buffer);
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file = std::make_unique<NCCHFile>(buffer);
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file = std::make_unique<NCCHFile>(std::move(buffer));
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} else {
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LOG_ERROR(Service_FS, "Unknown NCCH archive type %u!", openfile_path.filepath_type);
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result = Loader::ResultStatus::Error;
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@ -193,6 +194,8 @@ u64 NCCHArchive::GetFreeBytes() const {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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NCCHFile::NCCHFile(std::vector<u8> buffer) : file_buffer(std::move(buffer)) {}
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ResultVal<size_t> NCCHFile::Read(const u64 offset, const size_t length, u8* buffer) const {
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LOG_TRACE(Service_FS, "called offset=%" PRIu64 ", length=%zu", offset, length);
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size_t length_left = static_cast<size_t>(data_size - offset);
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@ -51,7 +51,7 @@ protected:
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// File backend for NCCH files
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class NCCHFile : public FileBackend {
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public:
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NCCHFile(std::vector<u8> buffer) : file_buffer(buffer) {}
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explicit NCCHFile(std::vector<u8> buffer);
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ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
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ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) override;
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