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Split args manually in runExternalProgram()

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Need to split arguments manually because QProcess::startDetached(QString)
will strip off empty parameters.
E.g. `python.exe "1" "" "3"` will become `python.exe "1" "3"`.
Closes #8454.
This commit is contained in:
Chocobo1 2018-03-31 14:58:30 +08:00
parent ccc91e2e52
commit c07cd440cd
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GPG key ID: 210D9C873253A68C
1 changed files with 25 additions and 2 deletions
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27
src/app/application.cpp
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@ -31,6 +31,10 @@
#include <algorithm>
#ifdef Q_OS_WIN
#include <memory>
#endif
#include <QAtomicInt>
#include <QDebug>
#include <QFileInfo>
@ -77,6 +81,10 @@
#include <iostream>
#endif // DISABLE_GUI
#ifdef Q_OS_WIN
#include <Shellapi.h>
#endif
#ifndef DISABLE_WEBUI
#include "webui/webui.h"
#endif
@ -275,7 +283,7 @@ void Application::processMessage(const QString &message)
void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) const
{
QString program = Preferences::instance()->getAutoRunProgram();
QString program = Preferences::instance()->getAutoRunProgram().trimmed();
program.replace("%N", torrent->name());
program.replace("%L", torrent->category());
@ -297,7 +305,22 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
#if defined(Q_OS_UNIX)
QProcess::startDetached(QLatin1String("/bin/sh"), {QLatin1String("-c"), program});
#else
QProcess::startDetached(program);
std::unique_ptr<wchar_t[]> programWchar(new wchar_t[program.length() + 1] {});
program.toWCharArray(programWchar.get());
// Need to split arguments manually because QProcess::startDetached(QString)
// will strip off empty parameters.
// E.g. `python.exe "1" "" "3"` will become `python.exe "1" "3"`
int argCount = 0;
LPWSTR *args = ::CommandLineToArgvW(programWchar.get(), &argCount);
QStringList argList;
for (int i = 1; i < argCount; ++i)
argList += QString::fromWCharArray(args[i]);
QProcess::startDetached(QString::fromWCharArray(args[0]), argList);
::LocalFree(args);
#endif
}