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file_sys/program_metadata: Remove obsolete TODOs 

BitField has been trivially copyable since
e99a148628, so we can eliminate these
TODO comments and use ReadObject() directly instead of memcpying the
data.
This commit is contained in:
Lioncash 2019-04-05 15:52:13 -04:00
parent 66be5150d6
commit 37b23efece
2 changed files with 14 additions and 15 deletions
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27
src/core/file_sys/program_metadata.cpp
View File

@ -3,7 +3,6 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cstddef> #include <cstddef>
#include <cstring>
#include <vector> #include <vector>
#include "common/logging/log.h" #include "common/logging/log.h"
@ -17,28 +16,30 @@ ProgramMetadata::ProgramMetadata() = default;
ProgramMetadata::~ProgramMetadata() = default; ProgramMetadata::~ProgramMetadata() = default;
Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) { Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
std::size_t total_size = static_cast<std::size_t>(file->GetSize()); const std::size_t total_size = file->GetSize();
if (total_size < sizeof(Header)) if (total_size < sizeof(Header)) {
return Loader::ResultStatus::ErrorBadNPDMHeader; return Loader::ResultStatus::ErrorBadNPDMHeader;
}
// TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable. if (sizeof(Header) != file->ReadObject(&npdm_header)) {
std::vector<u8> npdm_header_data = file->ReadBytes(sizeof(Header));
if (sizeof(Header) != npdm_header_data.size())
return Loader::ResultStatus::ErrorBadNPDMHeader; return Loader::ResultStatus::ErrorBadNPDMHeader;
std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header)); }
std::vector<u8> acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset); if (sizeof(AcidHeader) != file->ReadObject(&acid_header, npdm_header.acid_offset)) {
if (sizeof(AcidHeader) != acid_header_data.size())
return Loader::ResultStatus::ErrorBadACIDHeader; 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; 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; 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; return Loader::ResultStatus::ErrorBadFileAccessHeader;
}
aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32)); aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32));
const u64 read_size = aci_header.kac_size; const u64 read_size = aci_header.kac_size;

2
src/core/file_sys/program_metadata.h
View File

@ -58,7 +58,6 @@ public:
void Print() const; void Print() const;
private: private:
// TODO(DarkLordZach): BitField is not trivially copyable.
struct Header { struct Header {
std::array<char, 4> magic; std::array<char, 4> magic;
std::array<u8, 8> reserved; std::array<u8, 8> reserved;
@ -85,7 +84,6 @@ private:
static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong"); static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
// TODO(DarkLordZach): BitField is not trivially copyable.
struct AcidHeader { struct AcidHeader {
std::array<u8, 0x100> signature; std::array<u8, 0x100> signature;
std::array<u8, 0x100> nca_modulus; std::array<u8, 0x100> nca_modulus;