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Add helper for loading Windows system functions

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This commit is contained in:
Chocobo1
2018-04-07 15:35:35 +08:00
parent 643a209812
commit b0e3d77975
3 changed files with 27 additions and 5 deletions
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4
src/base/bittorrent/session.cpp
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@@ -4543,11 +4543,11 @@ namespace
return uuid.toString().toUpper(); // Libtorrent expects the GUID in uppercase
using PCONVERTIFACENAMETOLUID = NETIO_STATUS (WINAPI *)(const WCHAR *, PNET_LUID);
PCONVERTIFACENAMETOLUID ConvertIfaceNameToLuid = reinterpret_cast<PCONVERTIFACENAMETOLUID>(::GetProcAddress(::GetModuleHandleW(L"Iphlpapi.dll"), "ConvertInterfaceNameToLuidW"));
const auto ConvertIfaceNameToLuid = Utils::Misc::loadWinAPI<PCONVERTIFACENAMETOLUID>("Iphlpapi.dll", "ConvertInterfaceNameToLuidW");
if (!ConvertIfaceNameToLuid) return QString();
using PCONVERTIFACELUIDTOGUID = NETIO_STATUS (WINAPI *)(const NET_LUID *, GUID *);
PCONVERTIFACELUIDTOGUID ConvertIfaceLuidToGuid = reinterpret_cast<PCONVERTIFACELUIDTOGUID>(::GetProcAddress(::GetModuleHandleW(L"Iphlpapi.dll"), "ConvertInterfaceLuidToGuid"));
const auto ConvertIfaceLuidToGuid = Utils::Misc::loadWinAPI<PCONVERTIFACELUIDTOGUID>("Iphlpapi.dll", "ConvertInterfaceLuidToGuid");
if (!ConvertIfaceLuidToGuid) return QString();
NET_LUID luid;

23
src/base/utils/misc.h
View File

@@ -34,6 +34,13 @@
#include <ctime>
#include <vector>
#include <QtGlobal>
#ifdef Q_OS_WIN
#include <memory>
#include <Windows.h>
#endif
#include <QDir>
#include <QFile>
#include <QPoint>
@@ -109,6 +116,22 @@ namespace Utils
#ifdef Q_OS_WIN
QString windowsSystemPath();
template <typename T>
T loadWinAPI(const QString &source, const char *funcName)
{
QString path = windowsSystemPath();
if (!path.endsWith('\\'))
path += '\\';
path += source;
std::unique_ptr<wchar_t[]> pathWchar(new wchar_t[path.length() + 1] {});
path.toWCharArray(pathWchar.get());
return reinterpret_cast<T>(
::GetProcAddress(::LoadLibraryW(pathWchar.get()), funcName));
}
#endif
}
}