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Code Issues Releases Activity

file_sys/program_metadata: Remove obsolete TODOs

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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.
#include <cstddef>
#include <cstring>
#include <vector>
#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<std::size_t>(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<u8> 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<u8> 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;

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

@ -58,7 +58,6 @@ public:
void Print() const;
private:
// TODO(DarkLordZach): BitField is not trivially copyable.
struct Header {
std::array<char, 4> magic;
std::array<u8, 8> 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<u8, 0x100> signature;
std::array<u8, 0x100> nca_modulus;