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wiimotereal: add some error handling. replace malloc with make_unique

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This commit is contained in:
Shawn Hoffman 2020-08-17 17:32:14 -07:00
parent 938fd4e438
commit 3ee4c53d65
1 changed files with 10 additions and 5 deletions
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15
Source/Core/Core/HW/WiimoteReal/IOWin.cpp
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@ -418,6 +418,10 @@ int WriteToHandle(HANDLE& dev_handle, WinWriteMethod& method, const u8* buf, siz
{
OVERLAPPED hid_overlap_write = OVERLAPPED();
hid_overlap_write.hEvent = CreateEvent(nullptr, true, false, nullptr);
if (!hid_overlap_write.hEvent)
{
return 0;
}
DWORD written = 0;
IOWrite(dev_handle, hid_overlap_write, method, buf, size, &written);
@ -431,6 +435,10 @@ int ReadFromHandle(HANDLE& dev_handle, u8* buf)
{
OVERLAPPED hid_overlap_read = OVERLAPPED();
hid_overlap_read.hEvent = CreateEvent(nullptr, true, false, nullptr);
if (!hid_overlap_read.hEvent)
{
return 0;
}
const int read = IORead(dev_handle, hid_overlap_read, buf, 1);
CloseHandle(hid_overlap_read.hEvent);
return read;
@ -533,7 +541,6 @@ void WiimoteScannerWindows::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
SP_DEVICE_INTERFACE_DATA device_data = {};
device_data.cbSize = sizeof(device_data);
PSP_DEVICE_INTERFACE_DETAIL_DATA detail_data = nullptr;
for (int index = 0;
SetupDiEnumDeviceInterfaces(device_info, nullptr, &device_id, index, &device_data); ++index)
@ -541,7 +548,8 @@ void WiimoteScannerWindows::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
// Get the size of the data block required
DWORD len;
SetupDiGetDeviceInterfaceDetail(device_info, &device_data, nullptr, 0, &len, nullptr);
detail_data = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(len);
auto detail_data_buf = std::make_unique<u8[]>(len);
auto detail_data = reinterpret_cast<PSP_DEVICE_INTERFACE_DETAIL_DATA>(detail_data_buf.get());
detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
SP_DEVINFO_DATA device_info_data = {};
@ -558,7 +566,6 @@ void WiimoteScannerWindows::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
if (!IsNewWiimote(WStringToUTF8(device_path)) || !IsWiimote(device_path, write_method))
{
free(detail_data);
continue;
}
@ -568,8 +575,6 @@ void WiimoteScannerWindows::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
else
found_wiimotes.push_back(wiimote);
}
free(detail_data);
}
SetupDiDestroyDeviceInfoList(device_info);