From 37b23efece7692b36da1009271a964b95780ad32 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Fri, 5 Apr 2019 15:52:13 -0400 Subject: [PATCH] file_sys/program_metadata: Remove obsolete TODOs BitField has been trivially copyable since e99a14862841841d74be8d0ea9426c2d23546b5e, so we can eliminate these TODO comments and use ReadObject() directly instead of memcpying the data. --- src/core/file_sys/program_metadata.cpp | 27 +++++++++++++------------- src/core/file_sys/program_metadata.h | 2 -- 2 files changed, 14 insertions(+), 15 deletions(-) diff --git a/src/core/file_sys/program_metadata.cpp b/src/core/file_sys/program_metadata.cpp index d3e00437f..d863253f8 100644 --- a/src/core/file_sys/program_metadata.cpp +++ b/src/core/file_sys/program_metadata.cpp @@ -3,7 +3,6 @@ // Refer to the license.txt file included. #include -#include #include #include "common/logging/log.h" @@ -17,28 +16,30 @@ ProgramMetadata::ProgramMetadata() = default; ProgramMetadata::~ProgramMetadata() = default; Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) { - std::size_t total_size = static_cast(file->GetSize()); - if (total_size < sizeof(Header)) + const std::size_t total_size = file->GetSize(); + if (total_size < sizeof(Header)) { return Loader::ResultStatus::ErrorBadNPDMHeader; + } - // TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable. - std::vector npdm_header_data = file->ReadBytes(sizeof(Header)); - if (sizeof(Header) != npdm_header_data.size()) + if (sizeof(Header) != file->ReadObject(&npdm_header)) { return Loader::ResultStatus::ErrorBadNPDMHeader; - std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header)); + } - std::vector acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset); - if (sizeof(AcidHeader) != acid_header_data.size()) + if (sizeof(AcidHeader) != file->ReadObject(&acid_header, npdm_header.acid_offset)) { return Loader::ResultStatus::ErrorBadACIDHeader; - std::memcpy(&acid_header, acid_header_data.data(), sizeof(AcidHeader)); + } - if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset)) + if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset)) { return Loader::ResultStatus::ErrorBadACIHeader; + } - if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset)) + if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset)) { return Loader::ResultStatus::ErrorBadFileAccessControl; - if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset)) + } + + if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset)) { return Loader::ResultStatus::ErrorBadFileAccessHeader; + } aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32)); const u64 read_size = aci_header.kac_size; diff --git a/src/core/file_sys/program_metadata.h b/src/core/file_sys/program_metadata.h index 0033ba347..7de5b9cf9 100644 --- a/src/core/file_sys/program_metadata.h +++ b/src/core/file_sys/program_metadata.h @@ -58,7 +58,6 @@ public: void Print() const; private: - // TODO(DarkLordZach): BitField is not trivially copyable. struct Header { std::array magic; std::array reserved; @@ -85,7 +84,6 @@ private: static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong"); - // TODO(DarkLordZach): BitField is not trivially copyable. struct AcidHeader { std::array signature; std::array nca_modulus;