55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include <windows.h>
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#include <array>
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#include <string>
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using namespace std;
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constexpr auto kMaxPathLong = 32767;
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[[nodiscard]] std::wstring ExecutableDirectory() {
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auto exePath = std::array<WCHAR, kMaxPathLong + 1>{ 0 };
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const auto exeLength = GetModuleFileName(
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nullptr,
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exePath.data(),
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kMaxPathLong + 1);
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if (!exeLength || exeLength >= kMaxPathLong + 1) {
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return {};
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}
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const auto exe = std::wstring(exePath.data());
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const auto last1 = exe.find_last_of('\\');
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const auto last2 = exe.find_last_of('/');
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const auto last = std::max(
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(last1 == std::wstring::npos) ? -1 : int(last1),
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(last2 == std::wstring::npos) ? -1 : int(last2));
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if (last < 0) {
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return {};
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}
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return exe.substr(0, last);
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}
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int APIENTRY wWinMain(
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HINSTANCE instance,
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HINSTANCE prevInstance,
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LPWSTR cmdParamarg,
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int cmdShow) {
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const auto directory = ExecutableDirectory();
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if (!directory.empty()) {
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ShellExecute(
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nullptr,
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nullptr,
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(directory + L"\\Telegram.exe").c_str(),
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L"-autostart",
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directory.data(),
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SW_SHOWNORMAL);
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}
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return 0;
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}
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