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file_sys/patch_manager: Deduplicate NSO header

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This source file was utilizing its own version of the NSO header.
Instead of keeping this around, we can have the patch manager also use
the version of the header that we have defined in loader/nso.h
This commit is contained in:
Lioncash
2019-03-22 13:04:41 -04:00
parent 90e27ea003
commit 1cf90f4570
3 changed files with 65 additions and 64 deletions
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22
src/core/file_sys/patch_manager.cpp
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@ -20,6 +20,7 @@
#include "core/file_sys/vfs_vector.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "core/loader/nso.h"
#include "core/settings.h"
namespace FileSys {
@ -32,14 +33,6 @@ constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{
"subsdk3", "subsdk4", "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9",
};
struct NSOBuildHeader {
u32_le magic;
INSERT_PADDING_BYTES(0x3C);
std::array<u8, 0x20> build_id;
INSERT_PADDING_BYTES(0xA0);
};
static_assert(sizeof(NSOBuildHeader) == 0x100, "NSOBuildHeader has incorrect size.");
std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
std::array<u8, sizeof(u32)> bytes{};
bytes[0] = version % SINGLE_BYTE_MODULUS;
@ -163,15 +156,16 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
}
std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
if (nso.size() < sizeof(NSOBuildHeader)) {
if (nso.size() < sizeof(Loader::NSOHeader)) {
return nso;
}
NSOBuildHeader header;
std::memcpy(&header, nso.data(), sizeof(NSOBuildHeader));
Loader::NSOHeader header;
std::memcpy(&header, nso.data(), sizeof(header));
if (header.magic != Common::MakeMagic('N', 'S', 'O', '0'))
if (header.magic != Common::MakeMagic('N', 'S', 'O', '0')) {
return nso;
}
const auto build_id_raw = Common::HexArrayToString(header.build_id);
const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
@ -214,11 +208,11 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
}
}
if (out.size() < sizeof(NSOBuildHeader)) {
if (out.size() < sizeof(Loader::NSOHeader)) {
return nso;
}
std::memcpy(out.data(), &header, sizeof(NSOBuildHeader));
std::memcpy(out.data(), &header, sizeof(header));
return out;
}