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code: Use std::span where appropriate (#6658)

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* code: Use std::span when possible

* code: Prefix memcpy and memcmp with std::
This commit is contained in:
GPUCode 2023-07-07 01:52:40 +03:00 • committed by GitHub
parent 4ccd9f24fb
commit cf9bb90ae3
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GPG key ID: 4AEE18F83AFDEB23
106 changed files with 362 additions and 329 deletions
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19
src/core/loader/ncch.cpp
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@ -171,7 +171,7 @@ void AppLoader_NCCH::ParseRegionLockoutInfo(u64 program_id) {
std::vector<u8> smdh_buffer;
if (ReadIcon(smdh_buffer) == ResultStatus::Success && smdh_buffer.size() >= sizeof(SMDH)) {
SMDH smdh;
memcpy(&smdh, smdh_buffer.data(), sizeof(SMDH));
std::memcpy(&smdh, smdh_buffer.data(), sizeof(SMDH));
u32 region_lockout = smdh.region_lockout;
constexpr u32 REGION_COUNT = 7;
std::vector<u32> regions;
@ -185,15 +185,20 @@ void AppLoader_NCCH::ParseRegionLockoutInfo(u64 program_id) {
} else {
const auto region = Core::GetSystemTitleRegion(program_id);
if (region.has_value()) {
cfg->SetPreferredRegionCodes({region.value()});
const std::array regions{region.value()};
cfg->SetPreferredRegionCodes(regions);
}
}
}
bool AppLoader_NCCH::IsGbaVirtualConsole(const std::vector<u8>& code) {
const u32* gbaVcHeader = reinterpret_cast<const u32*>(code.data() + code.size() - 0x10);
return code.size() >= 0x10 && gbaVcHeader[0] == MakeMagic('.', 'C', 'A', 'A') &&
gbaVcHeader[1] == 1;
bool AppLoader_NCCH::IsGbaVirtualConsole(std::span<const u8> code) {
if (code.size() < 0x10) [[unlikely]] {
return false;
}
u32 gbaVcHeader[2];
std::memcpy(gbaVcHeader, code.data() + code.size() - 0x10, sizeof(gbaVcHeader));
return gbaVcHeader[0] == MakeMagic('.', 'C', 'A', 'A') && gbaVcHeader[1] == 1;
}
ResultStatus AppLoader_NCCH::Load(std::shared_ptr<Kernel::Process>& process) {
@ -317,7 +322,7 @@ ResultStatus AppLoader_NCCH::ReadTitle(std::string& title) {
return ResultStatus::ErrorInvalidFormat;
}
memcpy(&smdh, data.data(), sizeof(Loader::SMDH));
std::memcpy(&smdh, data.data(), sizeof(Loader::SMDH));
const auto& short_title = smdh.GetShortTitle(SMDH::TitleLanguage::English);
auto title_end = std::find(short_title.begin(), short_title.end(), u'\0');