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Don't use explicit memory management

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And avoid dangling pointers.
This commit is contained in:
Chocobo1
2022-03-23 15:27:47 +08:00
parent 8a708fd97e
commit bbd936fdfa
9 changed files with 28 additions and 36 deletions
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3
src/base/bittorrent/session.cpp
View File

@@ -279,8 +279,9 @@ namespace
if (!uuid.isNull())
return uuid.toString().toUpper(); // Libtorrent expects the GUID in uppercase
const std::wstring nameWStr = name.toStdWString();
NET_LUID luid {};
const LONG res = ::ConvertInterfaceNameToLuidW(name.toStdWString().c_str(), &luid);
const LONG res = ::ConvertInterfaceNameToLuidW(nameWStr.c_str(), &luid);
if (res == 0)
{
GUID guid;

27
src/base/utils/foreignapps.cpp
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@@ -128,26 +128,17 @@ namespace
QString getRegValue(const HKEY handle, const QString &name = {})
{
QString result;
const std::wstring nameWStr = name.toStdWString();
DWORD type = 0;
DWORD cbData = 0;
LPWSTR lpValueName = NULL;
if (!name.isEmpty())
{
lpValueName = new WCHAR[name.size() + 1];
name.toWCharArray(lpValueName);
lpValueName[name.size()] = 0;
}
// Discover the size of the value
::RegQueryValueExW(handle, lpValueName, NULL, &type, NULL, &cbData);
::RegQueryValueExW(handle, nameWStr.c_str(), NULL, &type, NULL, &cbData);
DWORD cBuffer = (cbData / sizeof(WCHAR)) + 1;
LPWSTR lpData = new WCHAR[cBuffer];
LONG res = ::RegQueryValueExW(handle, lpValueName, NULL, &type, (LPBYTE)lpData, &cbData);
if (lpValueName)
delete[] lpValueName;
LONG res = ::RegQueryValueExW(handle, nameWStr.c_str(), NULL, &type, (LPBYTE)lpData, &cbData);
QString result;
if (res == ERROR_SUCCESS)
{
lpData[cBuffer - 1] = 0;
@@ -186,18 +177,14 @@ namespace
bool found = false;
while (!found && !versions.empty())
{
const QString version = versions.takeLast() + u"\\InstallPath";
LPWSTR lpSubkey = new WCHAR[version.size() + 1];
version.toWCharArray(lpSubkey);
lpSubkey[version.size()] = 0;
const std::wstring version = QString(versions.takeLast() + u"\\InstallPath").toStdWString();
HKEY hkInstallPath;
res = ::RegOpenKeyExW(hkPythonCore, lpSubkey, 0, samDesired, &hkInstallPath);
delete[] lpSubkey;
res = ::RegOpenKeyExW(hkPythonCore, version.c_str(), 0, samDesired, &hkInstallPath);
if (res == ERROR_SUCCESS)
{
qDebug("Detected possible Python v%s location", qUtf8Printable(version));
qDebug("Detected possible Python v%ls location", version.c_str());
path = getRegValue(hkInstallPath);
::RegCloseKey(hkInstallPath);

4
src/base/utils/misc.cpp
View File

@@ -31,6 +31,8 @@
#include <optional>
#ifdef Q_OS_WIN
#include <memory>
#include <windows.h>
#include <powrprof.h>
#include <Shlobj.h>
@@ -393,7 +395,7 @@ QString Utils::Misc::getUserIDString()
const int UNLEN = 256;
WCHAR buffer[UNLEN + 1] = {0};
DWORD buffer_len = sizeof(buffer) / sizeof(*buffer);
if (GetUserNameW(buffer, &buffer_len))
if (::GetUserNameW(buffer, &buffer_len))
uid = QString::fromWCharArray(buffer);
#else
uid = QString::number(getuid());

6
src/base/utils/misc.h
View File

@@ -31,7 +31,6 @@
#include <QtGlobal>
#ifdef Q_OS_WIN
#include <memory>
#include <Windows.h>
#endif
@@ -92,9 +91,8 @@ namespace Utils::Misc
template <typename T>
T loadWinAPI(const QString &source, const char *funcName)
{
const QString path = (windowsSystemPath() / Path(source)).toString();
return reinterpret_cast<T>(::GetProcAddress(::LoadLibraryW(
path.toStdWString().c_str()), funcName));
const std::wstring path = (windowsSystemPath() / Path(source)).toString().toStdWString();
return reinterpret_cast<T>(::GetProcAddress(::LoadLibraryW(path.c_str()), funcName));
}
#endif // Q_OS_WIN
}