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GetDisplayVersion should return a null-terminated version string. 

also, in case of failed to get of the basic version, we will try get it from application update.
This commit is contained in:
CrazyMax 2020-07-05 01:49:41 +03:00
parent 9f8e17cb18
commit 7bd3558c64
1 changed files with 16 additions and 4 deletions
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20
src/core/hle/service/am/am.cpp
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@ -10,6 +10,7 @@
#include "core/core.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/savedata_factory.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/kernel.h"
@ -1353,14 +1354,25 @@ void IApplicationFunctions::GetDisplayVersion(Kernel::HLERequestContext& ctx) {
std::array<u8, 0x10> version_string{};
FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
const auto res = pm.GetControlMetadata();
const auto res = [this] {
const auto title_id = system.CurrentProcess()->GetTitleID();
FileSys::PatchManager pm{title_id};
auto res = pm.GetControlMetadata();
if (res.first != nullptr) {
return res;
}
FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id)};
return pm_update.GetControlMetadata();
}();
if (res.first != nullptr) {
const auto& version = res.first->GetVersionString();
std::copy(version.begin(), version.end(), version_string.begin());
} else {
constexpr u128 default_version = {1, 0};
std::memcpy(version_string.data(), default_version.data(), sizeof(u128));
constexpr char default_version[]{"1.0.0"};
std::memcpy(version_string.data(), default_version, sizeof(default_version));
}
IPC::ResponseBuilder rb{ctx, 6};